:root {
    --primary: #d94a4a;
    --primary-dark: #8f1f1f;
    --secondary: #00bcd4;
    --accent: #ff4081;
    --dark: #121826;
    --darker: #0a0e17;
    --light: #f8f9fa;
    --gray: #6c757d;
    --success: #4caf50;
    --warning: #ff9800;
    --border-radius: 12px;
    --box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
    --transition: all 0.3s ease;

    /* Surfaces (dark) */
    --surface-0: rgba(255, 255, 255, 0.02);
    --surface-2: rgba(255, 255, 255, 0.04);
    --surface-3: rgba(255, 255, 255, 0.08);
    --surface-4: rgba(255, 255, 255, 0.12);
    --surface-hover: rgba(255, 255, 255, 0.16);

    --bg-color: #0c1320;
    --text-color: #e6edf8;
    --text-muted: rgba(230, 237, 248, 0.74);
    --success-text: #7ef4b0;
    --warning-text: #ffbd66;
    --info-text: #7de4f2;
    --danger-text: #ff8a8a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(148, 163, 184, 0.22);

    --header-bg: rgba(10, 14, 23, 0.95);
    --header-shadow: none;
    --footer-bg: #090c15;
    --footer-text: var(--text-color);

    --input-bg: var(--surface-2);

    --hero-glow-1: rgba(26, 115, 232, 0.15);
    --hero-glow-2: rgba(0, 188, 212, 0.10);
    --classroom-hero-bg: linear-gradient(135deg, rgba(26, 115, 232, 0.18), rgba(0, 188, 212, 0.12));

    --learn-sidebar-bg: linear-gradient(180deg, rgba(20, 24, 36, 0.95), rgba(15, 18, 28, 0.98));
    --quiz-answer-bg: linear-gradient(135deg, rgba(25, 28, 40, 0.9), rgba(35, 40, 55, 0.9));
    --star-muted: rgba(255, 255, 255, 0.3);
    color-scheme: dark;
}

/* ================= THEME LIGHT ================= */
:root[data-theme="light"] {
    --bg-color: #f4f6fb;
    --text-color: #0f172a;
    --text-muted: #475569;
    --success-text: #15803d;
    --warning-text: #92400e;
    --info-text: #075985;
    --danger-text: #b91c1c;
    --card-bg: #ffffff;
    --border-color: rgba(15, 23, 42, 0.14);
    --darker: #ffffff;
    --dark: #ffffff;
    --box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);

    /* Surfaces (light) */
    --surface-0: rgba(15, 23, 42, 0.02);
    --surface-2: rgba(15, 23, 42, 0.04);
    --surface-3: rgba(15, 23, 42, 0.06);
    --surface-4: rgba(15, 23, 42, 0.08);
    --surface-hover: rgba(15, 23, 42, 0.10);

    --header-bg: #ffffff;
    --header-shadow: 0 15px 40px rgba(15, 23, 42, 0.08);
    --footer-bg: #eef2ff;
    --footer-text: var(--text-color);

    --input-bg: rgba(15, 23, 42, 0.04);

    --hero-glow-1: rgba(26, 115, 232, 0.10);
    --hero-glow-2: rgba(0, 188, 212, 0.08);
    --classroom-hero-bg: linear-gradient(135deg, rgba(26, 115, 232, 0.12), rgba(0, 188, 212, 0.08));

    --learn-sidebar-bg: #ffffff;
    --quiz-answer-bg: rgba(15, 23, 42, 0.04);
    --star-muted: rgba(15, 23, 42, 0.25);
    color-scheme: light;
}

/* ================= RESET ================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
    padding-top: 92px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
small,
a,
button,
label,
li,
td,
th,
.course-card,
.course-body,
.admin-table-row,
.admin-table-head,
.flash,
.notification-item,
.chat-message,
.classroom-card,
.certificate-card,
.atelier-card,
.atelier-guide-card,
.atelier-lesson-body {
    overflow-wrap: anywhere;
    word-break: break-word;
}

header a,
header button,
.nav-links a,
.nav-links button,
.admin-links a,
.admin-links button,
.genius-subnav a {
    overflow-wrap: normal;
    word-break: normal;
    white-space: nowrap;
}

/* ================= HEADER ================= */
header {
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--header-shadow);
}

.admin-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--header-shadow);
}

.admin-burger {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 10px;
    padding: 6px 10px;
    cursor: pointer;
}
.public-burger {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 10px;
    padding: 6px 10px;
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.dashboard-page-container,
.wide-page-container {
    max-width: min(1540px, calc(100vw - 28px));
    padding-left: 10px;
    padding-right: 14px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.nav-container.has-search {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 24px;
}

.nav-container.has-search .nav-links {
    flex: 1 1 auto;
    min-width: 0;
    margin-left: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
    column-gap: 14px;
    row-gap: 12px;
}

.nav-search {
    margin-left: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
}

.nav-search input {
    border: none;
    background: transparent;
    color: var(--text-color);
    outline: none;
    width: 220px;
    font-size: 0.95rem;
}

.nav-search button {
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    margin-left: 6px;
    border-radius: 999px;
    background: var(--primary);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 900;
    text-decoration: none;
    flex-shrink: 0;
    white-space: nowrap;
    justify-self: start;
}

.logo-emoji {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(217, 74, 74, 0.18), rgba(0, 188, 212, 0.18));
    font-size: 1.25rem;
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
    display: inline-block;
    white-space: nowrap;
    line-height: 1.05;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--surface-2);
    flex-shrink: 0;
}

.language-switcher-link {
    min-width: 42px;
    padding: 8px 12px;
    border-radius: 999px;
    text-decoration: none;
    text-align: center;
    color: var(--text-color);
    font-size: 0.82rem;
    font-weight: 700;
    transition: var(--transition);
}

.language-switcher-link.is-active {
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #ffffff;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.admin-nav + * {
    padding-top: 32px;
}

select,
input,
textarea {
    background: var(--input-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

.upload-file-group {
    display: grid;
    gap: 8px;
}

.upload-file-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--surface-3);
    color: var(--text-color);
    cursor: pointer;
    font-weight: 600;
}

.upload-file-btn:hover {
    background: var(--surface-hover);
}

.upload-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* ================= COMPLETION & CERTIFICATE ================= */
.completion-page {
    padding: 160px 0 80px;
}

.completion-card {
    text-align: center;
}

.completion-body {
    display: grid;
    gap: 12px;
    justify-items: center;
}

.completion-badge {
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid rgba(217, 74, 74, 0.4);
    background: rgba(217, 74, 74, 0.15);
    font-size: 0.8rem;
    font-weight: 600;
}

.completion-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 6px;
}

.completion-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.7;
    display: block;
    margin-bottom: 4px;
}

.completion-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 12px;
}

.confetti-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 4000;
}

.confetti-piece {
    position: absolute;
    top: -12px;
    width: 8px;
    height: 14px;
    border-radius: 2px;
    opacity: 0.9;
    animation-name: confetti-fall;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

@keyframes confetti-fall {
    0% { top: -12px; opacity: 1; }
    100% { top: 100vh; opacity: 0.2; }
}

.certificate-page {
    padding: 160px 0 80px;
}

.certificate-card {
    background: #f8fbff;
    color: #1b2a41;
    border: 6px solid #2f6fcc;
    border-radius: 20px;
    padding: 34px;
    text-align: center;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.18);
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: "";
    position: absolute;
    inset: 14px;
    border: 2px solid rgba(47, 111, 204, 0.25);
    border-radius: 16px;
    pointer-events: none;
}

.certificate-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, transparent 0 18%, rgba(47, 111, 204, 0.08) 18% 20%, transparent 20% 100%),
        linear-gradient(315deg, transparent 0 18%, rgba(47, 111, 204, 0.08) 18% 20%, transparent 20% 100%);
    opacity: 0.9;
}

.certificate-frame {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 18px;
}

.certificate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    text-align: left;
}

.certificate-brand {
    display: grid;
    gap: 4px;
}

.certificate-brand-kicker {
    font-size: 0.7rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: #2f6fcc;
    font-weight: 700;
}

.certificate-brand-title {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.certificate-brand-sub {
    font-size: 0.85rem;
    opacity: 0.7;
}

.certificate-emblem {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid rgba(47, 111, 204, 0.45);
    display: grid;
    place-items: center;
    font-weight: 800;
    color: #2f6fcc;
    background: rgba(47, 111, 204, 0.1);
}

.certificate-kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.85rem;
    color: #365179;
}

.certificate-title {
    font-size: 2.2rem;
    margin: 0;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #2f6fcc;
}

.certificate-intro {
    opacity: 0.85;
    margin: 0;
}

.certificate-name {
    font-size: 2.4rem;
    font-family: "Montserrat", sans-serif;
    font-weight: 500;
    margin: 8px 0 4px;
    color: #1f3a68;
}

.certificate-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    text-align: left;
    margin-top: 18px;
    padding: 18px 20px;
    background: rgba(47, 111, 204, 0.08);
    border-radius: 16px;
    border: 1px solid rgba(47, 111, 204, 0.2);
}

.certificate-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.7;
    display: block;
    margin-bottom: 4px;
}

.certificate-footer {
    display: grid;
    grid-template-columns: minmax(130px, 168px) 1fr;
    gap: 28px;
    align-items: end;
    margin-top: 18px;
}

.certificate-qr {
    background: #ffffff;
    border: 1px dashed rgba(47, 111, 204, 0.35);
    border-radius: 12px;
    padding: 10px;
    display: grid;
    gap: 8px;
    justify-items: center;
}

.certificate-qr-code {
    width: 76px;
    height: 76px;
    border-radius: 8px;
    border: 1px solid rgba(27, 42, 65, 0.2);
    background-image:
        repeating-linear-gradient(90deg, #1b2a41 0 2px, transparent 2px 6px),
        repeating-linear-gradient(0deg, #1b2a41 0 2px, transparent 2px 6px);
    opacity: 0.75;
}

.certificate-qr-image {
    width: 76px;
    height: 76px;
    border-radius: 8px;
    border: 1px solid rgba(27, 42, 65, 0.12);
    background: #ffffff;
    object-fit: contain;
    padding: 3px;
}

.certificate-qr-meta {
    text-align: center;
    display: grid;
    gap: 4px;
}

.certificate-qr-meta small {
    color: #61738f;
    font-size: 0.72rem;
}

.certificate-signatures {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
    align-items: end;
}

.certificate-signatures.is-single {
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.signature-block {
    text-align: center;
    display: grid;
    gap: 6px;
}

.signature-line {
    width: 200px;
    margin: 0 auto;
    border-bottom: 2px solid rgba(47, 111, 204, 0.35);
}

.signature-name {
    font-weight: 700;
}

.signature-title {
    opacity: 0.7;
    font-size: 0.85rem;
}

.certificate-actions {
    margin-top: 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.certificate-edit {
    margin-top: 14px;
    display: grid;
    gap: 10px;
    justify-items: center;
}

.certificate-edit-form {
    display: none;
    width: 100%;
    max-width: 520px;
    background: var(--surface-2);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 14px;
    text-align: left;
}

.certificate-edit-form.is-open {
    display: grid;
    gap: 12px;
}

.certificate-edit-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.certificate-edit-hint {
    font-size: 0.85rem;
    opacity: 0.7;
    text-align: center;
}

.certificate-share {
    margin-top: 18px;
    text-align: center;
    display: grid;
    gap: 10px;
    justify-items: center;
}

.share-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.share-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface-3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit;
    text-decoration: none;
}

.share-links a:hover {
    background: var(--surface-hover);
}

.certificate-share-link a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    color: inherit;
    text-decoration: none;
    font-size: 0.85rem;
}

.certificate-share-link a:hover {
    background: var(--surface-hover);
}

.course-list-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-complete-pill {
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid rgba(76, 175, 80, 0.4);
    background: rgba(76, 175, 80, 0.15);
    color: var(--success-text);
    font-size: 0.7rem;
    font-weight: 700;
}

@media print {
    header,
    footer,
    .certificate-actions,
    .certificate-edit,
    .chatbot-button,
    .chatbot-window {
        display: none !important;
    }
    body {
        padding-top: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
    }
    .certificate-card {
        box-shadow: none !important;
        border: 2px solid #1b2a41 !important;
    }
}

@media (max-width: 720px) {
    .certificate-card {
        padding: 24px;
    }
    .certificate-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .certificate-title {
        font-size: 1.6rem;
        letter-spacing: 0.12em;
    }
    .certificate-name {
        font-size: 2rem;
    }
    .certificate-footer {
        grid-template-columns: 1fr;
    }
    .certificate-meta-grid {
        text-align: left;
    }
}

select option {
    background: #0f141c;
    color: var(--text-color);
}

:root[data-theme="light"] select option {
    background: #ffffff;
    color: #0f172a;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: inherit;
}
.theme-toggle {
    position: static;
    z-index: 1;
    background: var(--surface-3);
    color: inherit;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.chatbot-button {
    position: fixed;
    right: 20px;
    bottom: 78px;
    z-index: 2000;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: none;
}

.chatbot-window {
    position: fixed;
    right: 20px;
    bottom: 140px;
    width: 320px;
    max-height: 420px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: none;
    flex-direction: column;
    z-index: 2000;
    touch-action: none;
}

.chatbot-window.active {
    display: flex;
}

.chatbot-header {
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    cursor: move;
    user-select: none;
}

.chatbot-messages {
    padding: 12px;
    overflow-y: auto;
    flex: 1;
    display: grid;
    gap: 8px;
}

.chatbot-input {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.chatbot-input input {
    flex: 1;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: inherit;
    border-radius: 10px;
    padding: 8px 10px;
}

.chatbot-button.is-dragging,
.chatbot-window.is-dragging {
    cursor: grabbing;
}

#gcToast {
    position: fixed;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    background: rgba(10, 14, 23, 0.94);
    color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.85rem;
    z-index: 4500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

#gcToast.show {
    opacity: 1;
}

@media (max-width: 768px) {
    .chatbot-button {
        right: 12px;
        bottom: 56px;
    }
    .chatbot-window {
        right: 12px;
        bottom: 112px;
        width: min(360px, calc(100vw - 24px));
        max-height: min(70vh, 460px);
    }
}

.message {
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.message.user {
    background: rgba(26, 115, 232, 0.15);
    justify-self: end;
}

.message.bot {
    background: rgba(0, 188, 212, 0.12);
    justify-self: start;
}

/* ================= BUTTONS ================= */
.btn {
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: white;
}

.btn-secondary {
    background: var(--surface-3);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--surface-hover);
}

.btn:hover {
    transform: translateY(-3px);
}
.btn.is-saving {
    opacity: 0.85;
    cursor: progress;
    transform: none;
}
.btn.is-saving:hover {
    transform: none;
}

/* ================= HERO ================= */
.hero {
    padding: 180px 0 120px;
    background:
        radial-gradient(circle at 20% 50%, var(--hero-glow-1), transparent 50%),
        radial-gradient(circle at 80% 20%, var(--hero-glow-2), transparent 50%);
}

.hero-grid {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 700px;
}

.hero-visual {
    flex: 1;
}

.hero-visual img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(to right, var(--text-color), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 20px;
}
.hero-type {
    display: inline-block;
    min-width: 140px;
    border-right: 2px solid var(--primary);
    padding-right: 6px;
    margin: 0 4px;
    white-space: nowrap;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.85;
}

.hero-buttons {
    margin-top: 40px;
    display: flex;
    gap: 20px;
}

/* ================= COURSES ================= */
.courses {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    color: transparent;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.cart-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 18px;
    display: grid;
    gap: 12px;
}

.cart-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 6px;
}

.cart-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.course-cart-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
    gap: 20px;
    align-items: start;
}

.course-cart-list {
    display: grid;
    gap: 12px;
}

.course-cart-item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
}

.course-cart-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
}

.course-cart-item h4 {
    margin: 0 0 4px;
}

.course-cart-item p {
    margin: 0;
    opacity: 0.75;
    font-size: 0.9rem;
}

.course-cart-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.course-cart-empty {
    text-align: center;
}

@media (max-width: 900px) {
    .course-cart-layout {
        grid-template-columns: 1fr;
    }
    .course-cart-item {
        grid-template-columns: 1fr;
    }
    .course-cart-item img {
        height: 180px;
    }
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.form-grid label {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 6px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: inherit;
}

.cta-section {
    padding: 90px 0;
}

.cta-card {
    background: linear-gradient(135deg, rgba(26,115,232,0.2), rgba(0,188,212,0.15));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 28px;
    text-align: center;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.admin-dashboard {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.admin-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    align-items: center;
    gap: 20px;
    padding: 24px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.18), rgba(0, 188, 212, 0.12));
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    width: 100%;
}

.admin-hero h2 {
    font-size: 2rem;
    margin-bottom: 6px;
}

.admin-hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.admin-stat {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
}

.admin-nav + section .container {
    max-width: 100%;
    width: 100%;
    padding-left: 24px;
    padding-right: 24px;
}

.admin-stat-label {
    font-size: 0.9rem;
    opacity: 0.7;
}

.admin-stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    margin-top: 6px;
}

.admin-table {
    display: grid;
    gap: 6px;
}

.admin-table-head,
.admin-table-row {
    display: grid;
    grid-template-columns: 1fr 80px;
    gap: 10px;
    align-items: center;
}

.admin-table-head {
    font-weight: 700;
    opacity: 0.9;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table-row {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.admin-activity {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 10px;
    background: var(--surface-2);
}

.analytics-chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.analytics-chart-card {
    display: grid;
    gap: 16px;
}

.analytics-chart-card-wide {
    grid-column: 1 / -1;
}

.analytics-chart-head p {
    margin-top: 6px;
    opacity: 0.75;
}

.analytics-axis-note {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.analytics-chart-canvas {
    position: relative;
    min-height: 320px;
}

.analytics-chart-canvas canvas {
    width: 100% !important;
    height: 100% !important;
}

.lesson-editor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.lesson-preview-panel {
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    padding: 16px;
    background: var(--surface-0);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 300px;
}
.lesson-preview-panel img {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    height: 200px;
}
.lesson-preview-panel h4 {
    margin: 0;
    font-size: 1.1rem;
}
.lesson-preview-gallery {
    display: flex;
    gap: 8px;
}
.lesson-preview-gallery img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
}

.classroom-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1.7fr) 360px;
    gap: 24px;
}
.classroom-page-section .container {
    max-width: 1480px;
}
.classroom-info,
.classroom-chat,
.classroom-center {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 20px;
}
.classroom-card {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    background: var(--surface-0);
    margin-bottom: 16px;
}
.classroom-dropdown {
    padding: 0;
    overflow: hidden;
}
.classroom-dropdown-summary {
    list-style: none;
    cursor: pointer;
    padding: 18px;
}
.classroom-dropdown-summary::-webkit-details-marker {
    display: none;
}
.classroom-dropdown-summary::marker {
    display: none;
}
.classroom-dropdown-summary .classroom-card-header {
    margin: 0;
    position: relative;
    padding-right: 40px;
}
.classroom-dropdown-summary .classroom-card-header::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border-color);
    font-weight: 700;
}
.classroom-dropdown[open] .classroom-card-header::after {
    content: "-";
}
.classroom-dropdown-body {
    padding: 0 18px 18px;
    border-top: 1px solid var(--border-color);
}
.classroom-inline-dropdown {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-1);
    overflow: hidden;
}
.classroom-inline-summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 14px;
    padding-right: 44px;
    font-weight: 600;
    position: relative;
}
.classroom-inline-summary::-webkit-details-marker {
    display: none;
}
.classroom-inline-summary::marker {
    display: none;
}
.classroom-inline-summary::after {
    content: "+";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 74, 74, 0.12);
    color: var(--primary);
    border: 1px solid rgba(217, 74, 74, 0.24);
    font-weight: 700;
}
.classroom-inline-dropdown[open] .classroom-inline-summary::after {
    content: "-";
}
.classroom-inline-body {
    display: grid;
    gap: 12px;
    padding: 0 14px 14px;
    border-top: 1px solid var(--border-color);
}
.classroom-card-header {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 12px;
}
.classroom-chat textarea {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    padding: 10px;
    color: inherit;
    resize: vertical;
}
.classroom-info-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.classroom-level {
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--surface-3);
    border: 1px solid var(--border-color);
}
.classroom-desc {
    opacity: 0.8;
    margin: 10px 0 12px;
}
.classroom-meta {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
}
.classroom-meta-label {
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
}
.classroom-tag-list {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.classroom-tag {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(0, 188, 212, 0.18);
    color: #7de4f2;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 188, 212, 0.35);
}
.classroom-section {
    margin-top: 16px;
}
.classroom-shortcuts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 8px 0 12px;
}
.classroom-course-links {
    display: grid;
    gap: 8px;
    margin-top: 8px;
}
.classroom-course-link {
    text-decoration: none;
    color: var(--text-color);
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    display: grid;
    gap: 4px;
}
.classroom-course-link:hover {
    border-color: rgba(0, 188, 212, 0.6);
}
.classroom-course-link small {
    opacity: 0.72;
    font-size: 0.78rem;
}
.classroom-member-list {
    display: grid;
    gap: 10px;
    margin-top: 10px;
}
.classroom-member-item {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
}
.classroom-member-item.online {
    border-color: rgba(46, 204, 113, 0.4);
    background: rgba(46, 204, 113, 0.08);
}
.classroom-member-meta {
    display: grid;
    gap: 4px;
}
.classroom-member-meta small {
    opacity: 0.7;
}
.classroom-member-time {
    font-size: 0.75rem;
    opacity: 0.7;
}
.classroom-hero {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding: 20px;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: var(--classroom-hero-bg);
    margin-bottom: 18px;
}
.classroom-kicker {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.7;
}
.classroom-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.classroom-pill {
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--surface-3);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
}
.classroom-hero-stats {
    display: grid;
    gap: 10px;
    min-width: 180px;
}
.classroom-timer {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    text-align: center;
}
.classroom-timer-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    display: block;
}
.classroom-timer strong {
    font-size: 1.4rem;
    display: block;
    margin-top: 4px;
}
.classroom-live-pill {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    font-weight: 600;
}
.classroom-sparkline {
    width: 140px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    padding: 6px 10px;
    display: flex;
    align-items: center;
}
.classroom-sparkline svg {
    width: 100%;
    height: 100%;
}
.classroom-sparkline polyline {
    fill: none;
    stroke: var(--secondary);
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.classroom-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.classroom-course-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    display: grid;
    gap: 10px;
}
.classroom-course-summary {
    font-size: 0.95rem;
    opacity: 0.84;
    margin: 0;
}
.classroom-course-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
}
.classroom-course-percent {
    font-weight: 700;
}
.classroom-course-meta {
    font-size: 0.85rem;
    opacity: 0.75;
}
.classroom-course-card .btn {
    width: fit-content;
}
.classroom-outline {
    display: grid;
    gap: 8px;
}
.classroom-outline-item,
.classroom-outline-more {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-2);
    padding: 10px 12px;
    display: grid;
    gap: 4px;
}
.classroom-outline-item small,
.classroom-outline-more {
    opacity: 0.72;
    font-size: 0.8rem;
}
.classroom-callout {
    display: grid;
    gap: 4px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-1);
    padding: 12px;
}
.classroom-callout.is-ready {
    border-color: rgba(46, 204, 113, 0.35);
    background: rgba(46, 204, 113, 0.08);
}
.classroom-callout-label {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.65;
}
.classroom-evaluation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.classroom-evaluation-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-1);
}
.classroom-evaluation-card.ready {
    border-color: rgba(46, 204, 113, 0.35);
}
.classroom-evaluation-card.passed {
    border-color: rgba(26, 115, 232, 0.35);
}
.classroom-evaluation-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
}
.classroom-evaluation-badge {
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
    background: var(--surface-3);
    white-space: nowrap;
}
.classroom-evaluation-badge.ready {
    color: #7ef4b0;
    border-color: rgba(46, 204, 113, 0.35);
    background: rgba(46, 204, 113, 0.12);
}
.classroom-evaluation-badge.passed {
    color: #9ec5ff;
    border-color: rgba(26, 115, 232, 0.35);
    background: rgba(26, 115, 232, 0.12);
}
.classroom-evaluation-badge.blocked {
    color: #ffb3b3;
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.12);
}
.classroom-evaluation-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 8px;
    font-size: 0.84rem;
    opacity: 0.82;
}
.classroom-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.classroom-result-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-1);
}
.classroom-result-card.passed {
    border-color: rgba(26, 115, 232, 0.35);
}
.classroom-result-card.failed {
    border-color: rgba(239, 68, 68, 0.24);
}
:root[data-theme="light"] .classroom-dropdown-summary .classroom-card-header::after {
    background: rgba(15, 23, 42, 0.06);
}
:root[data-theme="light"] .classroom-inline-dropdown {
    background: rgba(15, 23, 42, 0.025);
}
:root[data-theme="light"] .classroom-inline-summary::after {
    background: rgba(217, 74, 74, 0.1);
}
@media (max-width: 1100px) {
    .classroom-layout {
        grid-template-columns: 1fr;
    }
    .classroom-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    .classroom-hero-stats {
        width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}
.classroom-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}
.classroom-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px 14px;
}
.classroom-stat-label {
    font-size: 0.8rem;
    opacity: 0.7;
}
.classroom-stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: 4px;
}
.classroom-presence-bars {
    display: grid;
    gap: 10px;
}
.classroom-presence-bar {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    padding: 10px 12px;
}
.classroom-presence-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.85rem;
    opacity: 0.8;
}
.classroom-presence-track {
    height: 8px;
    border-radius: 999px;
    background: var(--surface-3);
    overflow: hidden;
    margin-top: 6px;
}
.classroom-presence-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}
.chat-message {
    padding: 10px;
    border-radius: 12px;
    margin-bottom: 10px;
    background: var(--surface-2);
}
.chat-message.me {
    background: rgba(0, 188, 212, 0.15);
}
.chat-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    opacity: 0.7;
}

.admin-bar {
    margin-bottom: 10px;
}

.admin-bar-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 6px;
}

.admin-bar-track {
    width: 100%;
    height: 8px;
    background: var(--surface-3);
    border-radius: 999px;
    overflow: hidden;
}

.admin-bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.reorder-item.dragging {
    opacity: 0.6;
    transform: scale(0.98);
}

.reorder-item {
    cursor: grab;
}

.editor-toolbar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.editor-toolbar button {
    background: var(--surface-3);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: 10px;
    cursor: pointer;
}

.editor-toolbar button:hover {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .admin-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    .analytics-chart-grid {
        grid-template-columns: 1fr;
    }
    .analytics-chart-card-wide {
        grid-column: auto;
    }
    .analytics-chart-canvas {
        min-height: 260px;
    }
}

.course-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card-thumb {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.course-card:hover {
    transform: translateY(-10px);
}

.course-header {
    height: 180px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.course-header.has-image {
    background: none;
}

.course-header-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-body {
    padding: 25px;
}

.course-level {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,.7);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: .8rem;
    z-index: 1;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--surface-3);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    width: 0%;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 10px 0 16px;
}

.course-rating .star {
    font-size: 1rem;
    color: var(--star-muted);
}

.course-rating .star.filled {
    color: #ffd54f;
}

.course-rating .star.half {
    color: #ffd54f;
}

/* ================= FOOTER ================= */
footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--border-color);
    padding: 72px 0 28px;
}

.footer-shell {
    width: 100%;
    display: grid;
    gap: 32px;
    padding: 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(260px, 1.25fr) minmax(180px, 0.8fr) minmax(180px, 0.8fr) minmax(180px, 0.8fr) minmax(280px, 1fr);
    gap: 34px 44px;
    align-items: start;
}

.footer-column {
    display: grid;
    gap: 12px;
    min-width: 0;
    align-content: start;
}

.footer-column > * {
    margin: 0;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.footer-logo-wrap {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.footer-logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(217, 74, 74, 0.18), rgba(0, 188, 212, 0.18));
    color: var(--primary);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.footer-logo-block {
    display: grid;
    gap: 8px;
}

.footer-logo {
    font-size: 1.9rem;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.footer-tagline {
    color: var(--text-muted);
    max-width: 34ch;
}

.footer-links a,
.footer-company a,
.footer-help a,
.footer-bottom a,
.footer-contact a {
    color: inherit;
    text-decoration: none;
}

.footer-links a,
.footer-company a,
.footer-help a {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    line-height: 1.45;
    color: var(--text-muted);
}

.footer-links a:hover,
.footer-company a:hover,
.footer-help a:hover,
.footer-bottom a:hover {
    color: var(--text-color);
}

.footer-meta {
    gap: 22px;
}

.footer-meta-block {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.footer-language {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    padding: 12px 16px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    color: var(--text-color);
    font: inherit;
}

.footer-meta-block .language-switcher {
    margin-top: 4px;
}

.footer-social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-social-links a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit;
    text-decoration: none;
}

.footer-social-links a:hover,
.partner-item:hover,
.footer-language:hover {
    background: var(--surface-hover);
}

.footer-partners {
    display: grid;
    gap: 10px;
}

.partner-item {
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: inherit;
    text-decoration: none;
}

.partner-item i {
    color: var(--secondary);
}

.footer-meta-block p {
    color: var(--text-muted);
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.footer-newsletter-form {
    display: grid;
    gap: 10px;
}

.footer-newsletter-form input[type="email"] {
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    color: var(--text-color);
}

.footer-newsletter-form .btn {
    justify-content: center;
}

.partner-item span {
    flex: 1;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 26px;
    font-size: 0.92rem;
    color: var(--text-muted);
}

@media (max-width: 1280px) {
    .footer-content {
        grid-template-columns: repeat(3, minmax(220px, 1fr));
    }

    .footer-brand,
    .footer-meta {
        grid-column: span 3;
    }
}

@media (max-width: 980px) {
    .footer-content {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
        gap: 28px 30px;
    }

    .footer-brand,
    .footer-meta {
        grid-column: span 2;
    }
}

@media (max-width: 700px) {
    footer {
        padding: 56px 0 24px;
    }

    .footer-shell {
        padding: 0 18px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .footer-logo-wrap {
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

/* ================= COOKIES ================= */
.cookie-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(5, 8, 14, 0.75);
    z-index: 4000;
    padding: 20px;
}

.cookie-modal.is-open {
    display: flex;
}

.cookie-card {
    width: 100%;
    max-width: 860px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: grid;
    gap: 12px;
}

.cookie-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.cookie-close {
    border: 1px solid var(--border-color);
    background: transparent;
    color: inherit;
    border-radius: 10px;
    padding: 4px 8px;
    cursor: pointer;
}

.cookie-body {
    display: grid;
    gap: 10px;
    max-height: 50vh;
    overflow: auto;
    opacity: 0.9;
}

.cookie-partners ul {
    margin: 6px 0 0 18px;
}

.cookie-settings {
    display: none;
    gap: 8px;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 12px;
    background: var(--surface-2);
}

.cookie-settings.is-open {
    display: grid;
}

.cookie-settings label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.cookie-link {
    color: inherit;
    text-decoration: underline;
    font-size: 0.9rem;
}



/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
    .dashboard-page-container,
    .wide-page-container {
        max-width: calc(100vw - 20px);
        padding-left: 10px;
        padding-right: 10px;
    }
    .nav-container {
        flex-wrap: wrap;
        gap: 12px;
    }
    .logo {
        flex: 1 1 auto;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-grid {
        flex-direction: column;
    }
    .hero-visual img {
        height: 240px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: flex-start;
        width: 100%;
        gap: 12px;
    }
    .public-burger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .nav-links#publicNavLinks {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        padding: 12px 0 0;
    }
    .nav-links#publicNavLinks.open {
        display: flex;
    }
    .nav-links .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    .nav-links > * {
        flex: 0 0 auto;
    }
    .theme-toggle {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    .nav-search {
        width: 100%;
        margin-left: 0;
        order: 3;
    }
    .nav-search input {
        width: 100%;
    }
    .admin-burger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .admin-links {
        display: none;
        position: absolute;
        top: 70px;
        right: 20px;
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        padding: 12px;
        flex-direction: column;
        gap: 10px;
        min-width: 180px;
        z-index: 1200;
    }
    .admin-links.open {
        display: flex;
    }
    .lesson-progress-header,
    .lesson-next-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 1024px) {
    .nav-container.has-search {
        flex-wrap: wrap;
        gap: 12px;
    }
    .nav-container.has-search .nav-links {
        width: 100%;
        margin-left: 0;
    }
    .nav-search input {
        width: 170px;
    }
    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
    .admin-grid {
        grid-template-columns: 1fr;
    }
    .admin-stats {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
    .quiz-admin-grid {
        grid-template-columns: 1fr;
    }
    .cms-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .courses {
        padding: 70px 0;
    }
    .section-title h2 {
        font-size: 2rem;
    }
    .admin-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
}
/* ================= AUTH & DASHBOARD (ADD-ON) ================= */

.auth-section, .dashboard {
  padding: 160px 0 80px;
}

.auth-card, .dashboard-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--box-shadow);
  padding: 30px;
  max-width: 520px;
  margin: 0 auto;
}

.dashboard-card {
  max-width: 900px;
}

.auth-header h1, .dashboard-card h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.auth-header p {
  opacity: 0.85;
  margin-bottom: 20px;
}

.auth-form .form-group {
  margin-bottom: 18px;
}

.auth-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.input-icon {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
}

.input-icon i {
  opacity: 0.8;
}

.input-icon input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-color);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
}

.hint {
  display: block;
  margin-top: 6px;
  opacity: 0.7;
  font-size: 0.85rem;
}

.auth-btn {
  width: 100%;
  justify-content: center;
  margin-top: 10px;
}

.auth-footer {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 10px;
  opacity: 0.9;
}

.auth-footer a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
}

.flash-wrap {
  margin: 10px 0 18px;
  display: grid;
  gap: 10px;
}

.global-flash-stack {
  position: fixed;
  top: 106px;
  right: 20px;
  z-index: 2500;
  width: min(420px, calc(100vw - 32px));
  display: grid;
  gap: 10px;
}

.flash {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
}

.flash-success {
  background: rgba(76, 175, 80, 0.12);
  border-color: rgba(76, 175, 80, 0.35);
}

.flash-error {
  background: rgba(255, 64, 129, 0.10);
  border-color: rgba(255, 64, 129, 0.35);
}

.flash-info {
  background: rgba(0, 188, 212, 0.12);
  border-color: rgba(0, 188, 212, 0.35);
}

@media (max-width: 768px) {
  .global-flash-stack {
    top: 92px;
    right: 12px;
    left: 12px;
    width: auto;
  }
}

.dash-grid {
  margin-top: 25px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.dash-item {
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px;
}

.dash-item h3 {
  margin-bottom: 8px;
}

/* ================= DASHBOARD PRO ================= */
.dashboard-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
}

.dash-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 16px;
  position: sticky;
  top: 120px;
}

.dash-profile {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  text-align: center;
}

.dash-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
  margin: 0 auto;
}

.dash-menu {
  display: grid;
  gap: 8px;
}

.dash-menu a {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--text-color);
  text-decoration: none;
}

.dash-menu a:hover {
  background: var(--surface-3);
}

.dash-main {
  display: grid;
  gap: 16px;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.dash-header h2 {
  margin: 0;
}

.dash-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dash-account-menu {
  position: relative;
}

.dash-account-menu summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  cursor: pointer;
}

.dash-account-menu summary::-webkit-details-marker {
  display: none;
}

.dash-account-badge,
.dash-account-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 800;
}

.dash-account-summary-text {
  font-weight: 700;
}

.dash-account-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(360px, 90vw);
  border-radius: 22px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  z-index: 20;
}

.dash-account-head,
.dash-account-section {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-color);
}

.dash-account-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dash-account-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.65;
  margin-bottom: 10px;
}

.dash-account-section a,
.dash-account-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 0;
  color: var(--text-color);
  text-decoration: none;
  background: transparent;
  border: 0;
  font: inherit;
  cursor: pointer;
}

.dash-account-progress-row {
  justify-content: space-between;
}

.dash-account-progress {
  height: 10px;
  margin-top: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
  overflow: hidden;
}

.dash-account-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.dash-account-logout {
  font-weight: 700;
}

.dash-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.dash-metric-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
}

.dash-metric-card .value {
  font-size: 1.6rem;
  font-weight: 800;
}

.dash-chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
}

@media (max-width: 1000px) {
  .dashboard-shell {
    grid-template-columns: 1fr;
  }
  .dash-sidebar {
    position: static;
  }
  .dash-header {
    align-items: stretch;
    flex-direction: column;
  }
  .dash-header-actions {
    justify-content: flex-start;
  }
  .dash-account-dropdown {
    left: 0;
    right: auto;
  }
}

/* ================= CMS ================= */
.cms-section .section-title { text-align: left; }
.cms-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 24px;
  align-items: start;
}
.cms-preview {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  overflow: hidden;
}
.cms-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,115,232,0.15), rgba(0,188,212,0.1));
}
.cms-hero-text h1 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.cms-hero-text p { opacity: .85; margin-bottom: 16px; }
.cms-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cms-hero-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 14px;
}
.cms-features { margin-top: 28px; }
.cms-features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.cms-feature-card {
  background: var(--surface-0);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
}
.cms-feature-image img { width: 100%; height: 140px; object-fit: cover; }
.cms-feature-body { padding: 12px 14px; }

.cms-cta,
.cms-payments,
.cms-faq {
  margin-top: 28px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}

.cms-faq-item {
  padding: 12px 0;
  border-top: 1px solid var(--border-color);
}

.cms-faq-item:first-child {
  border-top: 0;
}

.cms-panel {
  position: sticky;
  top: 120px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px;
  max-height: calc(100vh - 160px);
  overflow: auto;
}
.cms-panel h4 { margin-bottom: 10px; }
.cms-panel-group { display: grid; gap: 10px; margin-bottom: 18px; }
.cms-panel-card { display: grid; gap: 8px; padding: 10px; border-radius: 12px; border: 1px solid var(--border-color); }
.cms-panel input,
.cms-panel textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}

/* ================= LEARNER SIDEBAR ================= */
.learn-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}
.learn-sidebar {
  position: sticky;
  top: 120px;
  align-self: start;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  max-height: calc(100vh - 160px);
  overflow: auto;
}
.learn-sidebar h4 { margin-bottom: 10px; }
.learn-sidebar .sidebar-section { margin-bottom: 12px; }
.learn-accordion {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  overflow: hidden;
}
.learn-accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
}
.learn-accordion summary::-webkit-details-marker {
  display: none;
}
.learn-accordion summary strong {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
}
.learn-accordion summary strong::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.75rem;
  opacity: 0.7;
  transition: transform 0.2s ease;
}
.learn-accordion[open] summary strong::after {
  transform: rotate(180deg);
}
.learn-accordion-body {
  display: grid;
  gap: 8px;
  padding: 0 10px 10px;
}
.learn-sidebar a {
  display: block;
  color: var(--text-color);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  opacity: .85;
}
.learn-sidebar a.is-locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.lesson-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.lesson-preview-grid img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.learn-sidebar a:hover { background: var(--surface-3); opacity: 1; }
.learn-content { min-width: 0; }
.lesson-progress-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
}
.lesson-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}
.lesson-progress-header h2 {
    margin: 6px 0 6px;
}
.lesson-progress-meta {
    margin: 0;
    opacity: 0.7;
}
.lesson-progress-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.lesson-progress-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.lesson-chip {
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-3);
    font-size: 0.75rem;
    opacity: 0.9;
}
.lesson-chip.is-free {
    background: rgba(76, 175, 80, 0.15);
    border-color: rgba(76, 175, 80, 0.35);
    color: var(--success-text);
}
.lesson-next-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
    gap: 16px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    padding: 16px;
    margin-bottom: 16px;
}
.lesson-next-card h4 {
    margin: 6px 0;
}
.lesson-next-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}
.lesson-lock {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px dashed rgba(255, 152, 0, 0.5);
    background: rgba(255, 152, 0, 0.12);
    color: var(--warning-text);
    font-size: 0.75rem;
    font-weight: 600;
}
.lesson-progress-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.lesson-progress-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  display: block;
  margin-bottom: 2px;
}
.lesson-progress-percent {
  font-weight: 700;
}
.lesson-complete-banner {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(46, 204, 113, 0.4);
    background: rgba(46, 204, 113, 0.12);
    color: var(--success-text);
    font-weight: 600;
}
.lesson-video-panel {
    margin: 18px 0 10px;
    display: grid;
    gap: 10px;
}
.lesson-video-actions,
.lesson-video-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.lesson-video-frame {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
}
.lesson-video-frame.is-expanded {
    padding: 18px;
}
.lesson-video-frame video,
.lesson-video-frame iframe {
    width: 100%;
    min-height: 320px;
    border-radius: 12px;
}
.lesson-video-frame.is-expanded video,
.lesson-video-frame.is-expanded iframe {
    min-height: 620px;
}

@media (max-width: 1100px) {
  .cms-grid { grid-template-columns: 1fr; }
  .cms-panel { position: static; max-height: none; }
  .cms-features-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .learn-layout { grid-template-columns: 1fr; }
  .learn-sidebar { position: static; max-height: none; }
}
@media (max-width: 768px) {
  .cms-hero { grid-template-columns: 1fr; }
  .cms-features-grid { grid-template-columns: 1fr; }
}

.cms-preview-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.cms-preview-iframe {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}
.cms-preview-iframe iframe {
  width: 100%;
  height: 720px;
  border: 0;
  background: #fff;
}

/* Learner sidebar Dyma-like */
.learn-sidebar {
  background: var(--learn-sidebar-bg);
  border: 1px solid var(--border-color);
}
.learn-sidebar h4 {
  font-weight: 700;
  letter-spacing: .3px;
}
.learn-sidebar .sidebar-section strong {
  display: block;
  margin: 10px 0 6px;
  font-size: 0.85rem;
  text-transform: uppercase;
  opacity: .7;
}
.learn-sidebar a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
}
.learn-link {
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}
.learn-link.is-current {
  background: var(--surface-4);
  border: 1px solid var(--surface-4);
}
.learn-link.is-complete {
  background: rgba(46, 204, 113, 0.12);
  border: 1px solid rgba(46, 204, 113, 0.25);
}
.learn-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 10px;
  background: rgba(46, 204, 113, 0.25);
  color: var(--success-text);
  min-width: 42px;
  text-align: center;
  flex-shrink: 0;
}
.learn-link span:first-child {
  flex: 1 1 auto;
  min-width: 0;
  white-space: normal;
}
.lesson-help-card {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(0, 188, 212, 0.24);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1), rgba(26, 115, 232, 0.08));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.lesson-help-card h4 {
  margin: 4px 0 6px;
}
.lesson-help-card p {
  margin: 0;
  opacity: 0.82;
  max-width: 62ch;
}
.learn-link-main {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
}
.learn-link-icon {
  width: 24px;
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 188, 212, 0.14);
  color: var(--secondary);
  margin-top: 2px;
}
.learn-link.is-complete .learn-link-icon {
  background: rgba(46, 204, 113, 0.18);
  color: var(--success);
}
.learn-link.is-current .learn-link-icon {
  background: rgba(217, 74, 74, 0.16);
  color: var(--primary);
}
.learn-hidden-note {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed var(--border-color);
  background: var(--surface-2);
  opacity: 0.82;
  font-size: 0.84rem;
}
.learn-accordion .learn-accordion-body {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.learn-accordion-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-weight: 700;
}
.learn-accordion-toggle strong {
  margin: 0;
}
.learn-accordion-count {
  min-width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 188, 212, 0.14);
  color: var(--secondary);
  font-size: 0.8rem;
  font-weight: 700;
}

.learn-sidebar-toggle {
  display: none;
  position: sticky;
  top: 92px;
  z-index: 5;
  margin-bottom: 12px;
}
@media (max-width: 900px) {
  .learn-sidebar-toggle { display: block; }
  .learn-layout { grid-template-columns: 1fr; }
  .learn-sidebar { display: none; }
  .learn-sidebar.open { display: block; }
}

/* ================= STUDENT DASHBOARD ================= */
.student-dashboard .stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.student-dashboard .stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
}
.student-dashboard .stat-label { opacity: .7; font-size: .9rem; }
.student-dashboard .stat-value { font-size: 1.6rem; font-weight: 700; }
.student-dashboard .course-list { display: grid; gap: 14px; }
.course-list-card {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 14px;
  align-items: center;
}
.course-list-media img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 12px;
}
.course-placeholder {
  width: 100%;
  height: 100px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
}
.course-list-title { font-size: 1.1rem; font-weight: 700; }
.course-list-meta { opacity: .75; font-size: .9rem; }
.course-list-actions { display: flex; }
.dashboard-panels {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: 16px;
  margin-bottom: 16px;
}
.dash-subtitle {
  opacity: 0.7;
  font-size: 0.9rem;
}
.notifications-panel,
.notifications-card {
  display: grid;
  gap: 12px;
}
.dashboard-accordion {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--surface-2);
  overflow: hidden;
}
.dashboard-accordion-toggle {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: 0;
}
.dashboard-accordion-toggle span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.dashboard-accordion-toggle::-webkit-details-marker {
  display: none;
}
.dashboard-accordion-toggle::after {
  content: "+";
  font-size: 1.05rem;
  opacity: 0.7;
}
.dashboard-accordion[open] .dashboard-accordion-toggle::after {
  content: "-";
}
.notifications-accordion .notifications-list {
  padding: 0 12px 12px;
}

.notifications-accordion[open] .notifications-list {
  display: grid;
  gap: 10px;
}
.notifications-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.notifications-actions {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.notification-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 188, 212, 0.35);
  background: rgba(0, 188, 212, 0.15);
  color: #7de4f2;
  font-size: 0.75rem;
  font-weight: 600;
}
.notifications-list {
  display: grid;
  gap: 10px;
}
.notification-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}
.notification-item.is-unread {
  border-color: rgba(0, 188, 212, 0.45);
  box-shadow: 0 0 0 1px rgba(0, 188, 212, 0.2) inset;
}
.notification-main {
  display: grid;
  gap: 6px;
}
.notification-title {
  font-weight: 700;
}
.notification-body {
  opacity: 0.85;
  font-size: 0.95rem;
}
.notification-meta {
  opacity: 0.6;
  font-size: 0.75rem;
}
.notification-actions {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.notification-empty {
  opacity: 0.7;
  text-align: center;
  padding: 12px 0;
}
.notifications-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.notifications-toggle [data-notifications-label] {
  white-space: nowrap;
}
.btn.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}
.recent-classroom-item {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}
.dashboard-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.classroom-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.classroom-dashboard-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 12px;
}
.classroom-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}
.classroom-card-title {
  font-weight: 700;
  font-size: 1.05rem;
}
.classroom-card-meta {
  opacity: 0.75;
  font-size: 0.85rem;
}
.classroom-card-pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-3);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
}
.classroom-card-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}
.classroom-card-stat {
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 8px 10px;
  display: grid;
  gap: 4px;
}
.classroom-card-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
}
.classroom-card-progress {
  display: grid;
  gap: 8px;
}
.classroom-card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.active-classroom-card {
  display: grid;
  gap: 14px;
}
.active-classroom-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.active-classroom-courses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.active-classroom-course {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}
.active-classroom-course span {
  font-size: 0.82rem;
  opacity: 0.74;
}
.classroom-card-course-list {
  margin-top: 2px;
}
.classroom-card-sparkline {
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
  padding: 6px 10px;
  display: flex;
  align-items: center;
}
.classroom-card-sparkline svg {
  width: 100%;
  height: 100%;
}
.classroom-card-sparkline polyline {
  fill: none;
  stroke: var(--secondary);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 900px) {
  .student-dashboard .stat-grid { grid-template-columns: 1fr; }
  .course-list-card { grid-template-columns: 1fr; }
  .course-list-actions { justify-content: flex-start; }
  .dashboard-panels { grid-template-columns: 1fr; }
  .classroom-evaluation-head { flex-direction: column; }
}

/* ================= EXAM ================= */
.exam-section .exam-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(135deg, rgba(26,115,232,0.18), rgba(0,188,212,0.12));
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.exam-hero h1 { font-size: 1.8rem; margin-bottom: 6px; }
.exam-timer {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: 12px;
  text-align: center;
}
.exam-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}
.exam-sidebar .card,
.exam-main .card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
}
.exam-question-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 8px;
}
.exam-question-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-color);
  opacity: .8;
}
.exam-question-link:hover { opacity: 1; background: var(--surface-2); }
.exam-question-head { font-weight: 600; margin-bottom: 10px; }
.exam-answers { display: grid; gap: 10px; }
.answer-row {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}
.exam-textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}
.exam-error { color: var(--accent); margin-bottom: 10px; }

@media (max-width: 900px) {
  .exam-layout { grid-template-columns: 1fr; }
  .exam-question-list { grid-template-columns: repeat(6, minmax(0,1fr)); }
}
@media (max-width: 600px) {
  .exam-question-list { grid-template-columns: repeat(4, minmax(0,1fr)); }
}

/* Quiz/exam pro layout */
.quiz-pro {
  padding: 160px 20px 60px;
}

.quiz-pro-container {
  max-width: 1200px;
  margin: 0 auto;
}

.quiz-pro-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);
  margin-bottom: 28px;
}

.quiz-pro-header h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.quiz-pro-header p {
  margin: 0;
  opacity: 0.9;
}
.quiz-hint {
  margin-top: 6px;
  font-size: 0.85rem;
  opacity: 0.85;
}

.quiz-pro-timer {
  text-align: right;
  background: rgba(0, 0, 0, 0.2);
  padding: 12px 18px;
  border-radius: 12px;
  min-width: 150px;
}

.quiz-pro-timer strong {
  display: block;
  font-size: 22px;
}

.quiz-pro-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
}

.quiz-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.quiz-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
}

.quiz-progress {
  margin-top: 12px;
}

.quiz-progress-bar {
  height: 10px;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: width 0.3s ease;
}

.quiz-question-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quiz-question-link {
  background: var(--surface-3);
  border-radius: 10px;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
}
.quiz-result {
  border: 1px solid rgba(46, 204, 113, 0.3);
}
.quiz-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.quiz-stars {
  display: flex;
  gap: 4px;
}
.quiz-stars .fa-star {
  color: var(--star-muted);
  opacity: 1;
}
.quiz-stars .fa-star.active {
  color: #fbbf24;
  opacity: 1;
}
.quiz-alert {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-text);
}
.quiz-encourage {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.15);
}
.quiz-review {
  display: grid;
  gap: 14px;
}
.quiz-review-item {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
}
.quiz-review-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.quiz-review-head .ok {
  color: var(--success-text);
  font-weight: 700;
}
.quiz-review-head .ko {
  color: var(--danger-text);
  font-weight: 700;
}
.quiz-review-choices {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}
.quiz-review-choice {
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid transparent;
}
.quiz-review-choice.correct {
  border-color: rgba(34, 197, 94, 0.6);
}
.quiz-review-choice.chosen {
  background: rgba(59, 130, 246, 0.2);
}
.quiz-review-text {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.quiz-history {
  display: grid;
  gap: 10px;
}
.quiz-history-item {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
}
.quiz-history-meta {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 4px;
}

.quiz-question {
  margin-bottom: 18px;
}

.quiz-question-head {
  font-weight: 700;
  margin-bottom: 12px;
}

.quiz-answers {
  display: grid;
  gap: 10px;
}

.quiz-answer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--quiz-answer-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.quiz-answer input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--secondary);
}
.quiz-answer span {
  font-weight: 600;
}
.quiz-answer:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 188, 212, 0.45);
}
.quiz-question {
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
}
.quiz-question-head {
  font-size: 1.05rem;
}
.exam-warning {
  margin: 12px 0 18px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(255, 152, 0, 0.15);
  color: var(--warning-text);
  font-weight: 700;
  border: 1px solid rgba(255, 152, 0, 0.35);
}
.exam-warning.pulse {
  animation: examPulse 1.2s ease-in-out infinite;
}
@keyframes examPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.quiz-textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-color);
}

.quiz-error {
  margin: 12px 0;
  padding: 12px;
  border-radius: 10px;
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-text);
  font-weight: 600;
}

/* Admin exam builder */
.quiz-admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.quiz-admin-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
}
.quiz-form {
  display: grid;
  gap: 12px;
}
.quiz-form input,
.quiz-form textarea,
.quiz-form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}
.quiz-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.quiz-choices {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
.choice-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}
.choice-text {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}
.quiz-admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}
.quiz-admin-stat {
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.quiz-admin-stat .stat-value {
  font-weight: 700;
  font-size: 1.1rem;
}
.quiz-admin-stat .stat-label {
  opacity: 0.7;
  font-size: 0.85rem;
}
.quiz-question-list {
  display: grid;
  gap: 14px;
}
.quiz-question-item {
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
}
.quiz-question-title {
  font-weight: 700;
  margin-bottom: 6px;
}
.quiz-question-meta {
  opacity: 0.7;
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.quiz-choice-list {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}
.quiz-choice-item {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.85;
}
.quiz-choice-item.correct {
  color: var(--secondary);
  font-weight: 600;
}

@media (max-width: 980px) {
  .quiz-admin-grid {
    grid-template-columns: 1fr;
  }
  .quiz-admin-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Profile layout */
.profile-form {
  width: 100%;
}
.profile-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: start;
}
.profile-sidebar {
  display: grid;
  gap: 10px;
}
.profile-avatar {
  width: 140px;
  height: 140px;
  border-radius: 18px;
  object-fit: cover;
}
.profile-avatar.placeholder {
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--text-muted);
}
.profile-fields {
  display: grid;
  gap: 12px;
}
.profile-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.profile-label {
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0.85;
}
.profile-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}
.profile-input.readonly {
  opacity: 0.7;
  background: var(--surface-2);
}
@media (max-width: 900px) {
  .profile-grid {
    grid-template-columns: 1fr;
  }
  .profile-row {
    grid-template-columns: 1fr;
  }
  .profile-public-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Course chat */
.chat-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}
.chat-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  max-height: 520px;
  overflow: auto;
}
.chat-lesson-list {
  display: grid;
  gap: 8px;
}
.chat-lesson-item {
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--surface-2);
}
.chat-main {
  display: grid;
  gap: 14px;
}
.chat-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
  max-height: 520px;
  overflow: auto;
}
.chat-message {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-2);
  margin-bottom: 10px;
}
.chat-message.me {
  border: 1px solid rgba(46, 204, 113, 0.3);
}
.chat-message.reply {
  margin-left: 18px;
  border-left: 3px solid rgba(59, 130, 246, 0.35);
}
.chat-meta {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  font-size: 0.85rem;
  opacity: 0.8;
}
.chat-user {
  display: flex;
  gap: 10px;
  align-items: center;
}
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}
.chat-username {
  font-weight: 600;
  opacity: 1;
}
.chat-time {
  font-size: 0.75rem;
  opacity: 0.7;
}
.chat-profile-link {
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--primary);
}
.chat-meta-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.chat-actions {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 16px;
  display: grid;
  gap: 8px;
}
.chat-action-title {
  font-weight: 700;
}
.chat-action-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chat-action-hint {
  opacity: 0.7;
}
.chat-ref {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 4px;
}
.chat-text {
  margin-top: 6px;
}
.chat-form-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 10px;
}
.chat-form select,
.chat-form input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}
.chat-form select {
  background: var(--input-bg);
}
.chat-form select option {
  background: var(--card-bg);
  color: var(--text-color);
}
.chat-reply-btn {
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.8rem;
}
.chat-replying {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.12);
}
.chat-replying button {
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
}
.chat-reply-ref {
  font-size: 0.78rem;
  opacity: 0.75;
}

.resources-grid .resource-preview iframe {
  width: 100%;
  min-height: 420px;
  border: none;
  border-radius: 12px;
}
.resources-grid .resource-preview img {
  width: 100%;
  border-radius: 12px;
}
.resources-grid {
  display: grid;
  gap: 16px;
}
.resources-grid select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
}
.resources-grid .course-card {
  padding: 0;
}
.resources-grid .course-body {
  display: grid;
  gap: 8px;
}
.resources-grid .resource-preview {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.profile-public {
  display: grid;
  gap: 20px;
}
.profile-public-card {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
}
.profile-public-main {
  display: grid;
  gap: 6px;
}
.profile-public-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.profile-role-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 188, 212, 0.35);
  background: rgba(0, 188, 212, 0.15);
  color: #7de4f2;
  font-size: 0.75rem;
  font-weight: 600;
}
.profile-public-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}
.profile-public-bio {
  opacity: 0.85;
}
.profile-public-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.profile-public-actions a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--surface-2);
  color: inherit;
  text-decoration: none;
  font-size: 0.85rem;
}
.profile-public-actions a:hover {
  background: var(--surface-hover);
}
.profile-public-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}
.profile-public-meta {
  opacity: 0.7;
  margin: 4px 0 10px;
}
.profile-public-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.profile-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.profile-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
  display: block;
  margin-bottom: 4px;
}
.profile-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}
.profile-section {
  margin-top: 28px;
}
.profile-review-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.profile-review-course {
  opacity: 0.7;
  font-size: 0.85rem;
}
.chat-empty {
  opacity: 0.7;
}

@media (max-width: 900px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }
  .chat-form-row {
    grid-template-columns: 1fr;
  }
}

/* Atelier Anne */
.atelier-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}

.atelier-page .atelier-container {
  max-width: 100%;
  width: 100%;
  padding-left: 24px;
  padding-right: 24px;
}

.atelier-page .section-title {
  max-width: 100%;
}

.atelier-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

.anne-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.anne-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.anne-sub {
  opacity: 0.7;
  font-size: 0.9rem;
}

.atelier-tip {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px dashed var(--border-color);
  font-size: 0.9rem;
}

.atelier-form label {
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
}

.atelier-editors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.atelier-editor-panel {
  display: grid;
  gap: 8px;
}
.atelier-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.atelier-editor-head label {
  margin-bottom: 0;
}
.atelier-editor-expand,
#previewFullscreenBtn,
#previewFullscreenBtn.btn {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 188, 212, 0.45);
  background: rgba(0, 188, 212, 0.18);
  color: #dffcff;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.atelier-editor-expand:hover,
#previewFullscreenBtn:hover {
  background: rgba(0, 188, 212, 0.28);
  border-color: rgba(0, 188, 212, 0.65);
}
#previewFullscreenBtn,
#previewFullscreenBtn.btn {
  background: linear-gradient(135deg, rgba(217, 74, 74, 0.96), rgba(143, 31, 31, 0.96));
  border-color: rgba(217, 74, 74, 0.75);
  color: #fff7f7;
  box-shadow: 0 10px 22px rgba(217, 74, 74, 0.28);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
}
#previewFullscreenBtn:hover,
#previewFullscreenBtn.btn:hover {
  background: linear-gradient(135deg, rgba(230, 89, 89, 1), rgba(161, 34, 34, 1));
  border-color: rgba(230, 89, 89, 0.88);
}
.atelier-editor-expand.is-active {
  background: linear-gradient(135deg, rgba(217, 74, 74, 0.92), rgba(143, 31, 31, 0.92));
  border-color: rgba(217, 74, 74, 0.7);
  color: #fff6f6;
}
.atelier-editor-wide {
  grid-column: 1 / -1;
}
.atelier-editors.is-html-focus {
  grid-template-columns: 1fr;
}
.atelier-editors.is-css-focus {
  grid-template-columns: 1fr;
}
.atelier-editors.is-html-focus .atelier-editor-panel[data-pane="css"],
.atelier-editors.is-css-focus .atelier-editor-panel[data-pane="html"] {
  display: none;
}
.atelier-editors.is-html-focus .atelier-editor-panel[data-pane="html"] textarea,
.atelier-editors.is-css-focus .atelier-editor-panel[data-pane="css"] textarea {
  min-height: 420px;
}

.atelier-editors textarea {
  width: 100%;
  min-height: 260px;
  resize: vertical;
  background: #0f141c;
  color: #e8eef7;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  font-family: 'Montserrat', sans-serif;
}

.atelier-actions {
  display: flex;
  gap: 12px;
  margin: 14px 0 18px;
}

.atelier-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 18px;
  align-items: start;
}

.atelier-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.atelier-preview {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #fff;
  resize: both;
  min-height: 420px;
  min-width: 320px;
  overflow: auto;
}

.atelier-preview-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.atelier-preview-actions .btn {
  padding: 6px 12px;
  font-size: 0.8rem;
}

body.atelier-preview-open {
  overflow: hidden;
}

.atelier-preview.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 3000;
  border-radius: 0;
  resize: none;
  min-width: 100vw;
  min-height: 100vh;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45);
}

.atelier-preview.is-fullscreen .atelier-preview-head {
  border-radius: 0;
}

.atelier-preview.is-fullscreen iframe {
  height: calc(100vh - 52px);
}

.atelier-preview-head {
  padding: 10px 14px;
  background: #0f141c;
  color: #e8eef7;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.atelier-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  opacity: 0.9;
}

.atelier-user img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.15);
}

.atelier-preview iframe {
  width: 100%;
  height: 560px;
  border: 0;
  background: #fff;
}

:root[data-theme="light"] .atelier-preview-head {
  background: linear-gradient(135deg, #f4fbfd, #dff6fb);
  color: #0f172a;
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

:root[data-theme="light"] .atelier-editor-expand,
:root[data-theme="light"] #previewFullscreenBtn,
:root[data-theme="light"] #previewFullscreenBtn.btn {
    background: rgba(15, 23, 42, 0.08);
    border-color: rgba(15, 23, 42, 0.18);
    color: #0f172a;
}

:root[data-theme="light"] .atelier-editor-expand:hover,
:root[data-theme="light"] #previewFullscreenBtn:hover,
:root[data-theme="light"] #previewFullscreenBtn.btn:hover {
  background: rgba(0, 188, 212, 0.16);
  border-color: rgba(0, 188, 212, 0.45);
  color: #0b5560;
}
:root[data-theme="light"] #previewFullscreenBtn,
:root[data-theme="light"] #previewFullscreenBtn.btn {
  background: linear-gradient(135deg, #f15a5a, #a61f1f) !important;
  border-color: rgba(166, 31, 31, 0.92) !important;
  color: #fff7f7 !important;
  box-shadow: 0 10px 22px rgba(217, 74, 74, 0.28);
}
:root[data-theme="light"] .atelier-preview-head #previewFullscreenBtn,
:root[data-theme="light"] .atelier-preview-head #previewFullscreenBtn.btn {
  background: linear-gradient(135deg, #f15a5a, #a61f1f) !important;
  color: #fff7f7 !important;
}
:root[data-theme="light"] #previewFullscreenBtn:hover,
:root[data-theme="light"] #previewFullscreenBtn.btn:hover {
  background: linear-gradient(135deg, #ff6b6b, #b42323) !important;
  border-color: rgba(180, 35, 35, 0.96) !important;
  color: #fff !important;
}

.atelier-lesson {
  margin-top: 12px;
  padding: 14px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
}

.atelier-lesson-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.atelier-lesson-tools {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.atelier-lesson-body {
  max-height: 220px;
  overflow: auto;
  padding-right: 6px;
  font-size: 0.95rem;
  opacity: 0.9;
}

.atelier-guide {
  position: fixed;
  inset: 0;
  z-index: 3200;
  background: rgba(6, 10, 18, 0.22);
  display: none;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 16px;
  pointer-events: none;
}
.atelier-guide.is-open {
  display: flex;
}
.atelier-guide-card {
  width: min(520px, calc(100% - 20px));
  max-height: min(74vh, 560px);
  overflow: auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  display: grid;
  gap: 12px;
  pointer-events: auto;
}
.atelier-guide-step {
  display: none;
  gap: 12px;
}
.atelier-guide-step.is-active {
  display: grid;
}
.atelier-guide-step pre {
  margin: 8px 0 0;
  padding: 12px 14px;
  background: rgba(15, 20, 32, 0.8);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: auto;
  max-height: 220px;
  white-space: pre;
  font-size: 0.84rem;
}
.atelier-guide-target {
  position: relative;
  z-index: 3201;
  border-radius: 12px;
  outline: 2px solid rgba(0, 188, 212, 0.9);
  box-shadow: 0 0 0 6px rgba(0, 188, 212, 0.2);
  transition: outline-color 0.2s ease, box-shadow 0.2s ease;
  animation: atelierTargetPulse 1.2s ease-in-out infinite;
}
@keyframes atelierTargetPulse {
  0% { box-shadow: 0 0 0 6px rgba(0, 188, 212, 0.2); }
  50% { box-shadow: 0 0 0 10px rgba(0, 188, 212, 0.12); }
  100% { box-shadow: 0 0 0 6px rgba(0, 188, 212, 0.2); }
}
.atelier-guide-target::before {
  content: '';
  position: absolute;
  top: -14px;
  right: 22px;
  width: 14px;
  height: 14px;
  border-top: 2px solid rgba(0, 188, 212, 0.9);
  border-left: 2px solid rgba(0, 188, 212, 0.9);
  background: rgba(10, 14, 23, 0.95);
  transform: rotate(45deg);
  pointer-events: none;
}
.atelier-guide-target::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 14px;
  border: 1px dashed rgba(0, 188, 212, 0.7);
  pointer-events: none;
}
.atelier-guide-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.atelier-guide-actions-right {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.atelier-guide-actions-final {
  display: none;
  justify-content: center;
  gap: 12px;
}

.course-description-clamp {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 4.8em;
}

.lesson-start-card {
  margin-top: 18px;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid rgba(0, 188, 212, 0.3);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.12), rgba(26, 115, 232, 0.08));
  display: grid;
  gap: 12px;
}

.lesson-start-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.lesson-start-card p {
  margin: 0;
  opacity: 0.88;
}

@media (max-width: 900px) {
  .atelier-editors,
  .atelier-editors.is-html-focus,
  .atelier-editors.is-css-focus {
    grid-template-columns: 1fr;
  }
  .atelier-guide {
    justify-content: center;
    align-items: flex-end;
    padding: 16px;
  }
  .atelier-guide-card {
    width: min(96vw, 520px);
    max-height: min(70vh, 560px);
  }
}

@media (max-width: 1100px) {
  .atelier-grid {
    grid-template-columns: 1fr;
  }
  .atelier-editors {
    grid-template-columns: 1fr;
  }
  .atelier-workspace {
    grid-template-columns: 1fr;
  }
}

/* Projects */
.project-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  opacity: 0.85;
}
.project-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.project-form input,
.project-form textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: inherit;
}

@media (max-width: 980px) {
  .quiz-pro-grid {
    grid-template-columns: 1fr;
  }

  .quiz-pro-timer {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .quiz-pro-header {
    flex-direction: column;
    align-items: flex-start;
  }
}


.public-header-shell {
    max-width: min(1540px, calc(100vw - 28px));
    padding-left: 14px;
    padding-right: 14px;
}

.nav-container.has-search {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 18px;
}

.nav-container.has-search .nav-links {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    min-width: 0;
}

.public-header-shell .logo {
    margin-right: 8px;
}

.genius-header-shell .logo {
    font-size: 1.28rem;
    gap: 10px;
}

.genius-header-shell .logo i {
    font-size: 1.5rem;
}

.public-header-shell .nav-search {
    min-width: min(360px, 100%);
}

.public-header-shell .nav-search input {
    width: min(320px, 100%);
}

.public-header-shell .nav-links > a.is-active {
    color: var(--secondary);
}

.public-account-menu {
    position: relative;
}

.public-account-menu summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.public-account-menu summary::-webkit-details-marker {
    display: none;
}

.public-account-badge,
.public-account-avatar,
.admin-account-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
}

.public-account-avatar {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
}

.public-account-dropdown,
.admin-account-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    min-width: 280px;
    max-width: min(360px, 90vw);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: 0 20px 42px rgba(0, 0, 0, 0.24);
    overflow: hidden;
    z-index: 1200;
}

.admin-account-menu {
    position: relative;
}

.admin-account-menu summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.admin-account-menu summary::-webkit-details-marker {
    display: none;
}

.public-account-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.public-account-dropdown a,
.admin-account-dropdown a,
.public-account-logout,
.admin-account-logout {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-color);
    text-decoration: none;
    border: 0;
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.public-account-logout,
.admin-account-logout {
    font-weight: 700;
}

.genius-subnav {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 0 2px;
}

.genius-subnav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.86rem;
    background: var(--card-bg);
    min-height: 38px;
}

.genius-subnav a.is-active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
}

.site-footer {
    width: 100%;
}

.footer-shell {
    width: 100%;
    max-width: 100%;
    padding-left: 32px;
    padding-right: 32px;
}

.footer-content {
    grid-template-columns: minmax(220px, 1.1fr) repeat(3, minmax(180px, 0.9fr)) minmax(260px, 1fr);
    gap: 28px;
}

.footer-meta-block + .footer-meta-block {
    margin-top: 16px;
}

.partner-card-link {
    display: block;
    margin-bottom: 12px;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--card-bg) 92%, #ffffff 8%);
}

.partner-card-link img {
    display: block;
    width: 100%;
    max-width: 320px;
    height: auto;
}

.footer-meta-block p,
.footer-links a,
.footer-company a,
.footer-help a {
    line-height: 1.5;
}

@media (max-width: 1100px) {
    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .public-header-shell,
    .footer-shell {
        padding-left: 16px;
        padding-right: 16px;
    }

    .public-header-shell .logo {
        margin-right: 0;
    }

    .public-account-dropdown {
        right: auto;
        left: 0;
        width: min(330px, calc(100vw - 32px));
    }

    .admin-account-dropdown {
        right: auto;
        left: 0;
        width: min(330px, calc(100vw - 32px));
    }

    .public-header-shell .nav-search,
    .public-header-shell .nav-search input {
        width: 100%;
        min-width: 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .partner-card-link img {
        max-width: 100%;
    }
}

.genius-page {
    padding: 150px 0 90px;
}

.genius-shell {
    display: grid;
    gap: 28px;
}

.genius-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 28px;
    align-items: center;
}

.genius-kicker {
    display: inline-flex;
    margin-bottom: 12px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(0, 188, 212, 0.28);
    background: rgba(0, 188, 212, 0.12);
    color: var(--secondary);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.genius-hero-copy {
    display: grid;
    gap: 14px;
}

.genius-hero-copy h1 {
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    line-height: 1.05;
    margin: 0;
}

.genius-hero-copy p {
    max-width: 58ch;
    margin: 0;
    opacity: 0.9;
    line-height: 1.65;
    font-size: 0.98rem;
}

.genius-hero-card {
    border-radius: 26px;
    padding: 14px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 248, 255, 0.86));
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.1);
}

.genius-hero-card img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 320px;
    margin: 0 auto;
}

.genius-section {
    display: grid;
    gap: 18px;
}

.genius-section-title {
    margin-bottom: 0;
    text-align: left;
}

.genius-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.genius-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.genius-card,
.genius-stat,
.genius-about,
.genius-contact {
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
}

.genius-card {
    padding: 24px;
    display: grid;
    gap: 12px;
}

.genius-card h3,
.genius-about h2,
.genius-contact h2 {
    margin: 0;
}

.genius-card p,
.genius-about p,
.genius-contact p {
    margin: 0;
    line-height: 1.6;
    font-size: 0.96rem;
}

.genius-card a,
.genius-about a,
.genius-contact a {
    color: var(--secondary);
    font-weight: 700;
    text-decoration: none;
}

.genius-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.genius-stat {
    padding: 22px;
    display: grid;
    gap: 8px;
}

.genius-stat strong {
    font-size: 2rem;
    color: var(--secondary);
}

.genius-stat span {
    opacity: 0.85;
}

.genius-about {
    grid-template-columns: 1.1fr 0.9fr;
    display: grid;
    gap: 24px;
    padding: 26px;
}

.genius-partners h3 {
    margin-top: 0;
}

.genius-partners ul {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: grid;
    gap: 10px;
}

.genius-contact {
    padding: 26px;
}

.genius-footer-note {
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
    display: grid;
    gap: 6px;
    opacity: 0.86;
}

.genius-subsection-title h3 {
    margin: 0;
    font-size: 1.35rem;
}

.genius-subsection-title p {
    margin: 0;
    opacity: 0.75;
}

.genius-callout {
    padding: 24px;
}

.genius-major-grid,
.genius-testimonial-grid,
.genius-method-grid,
.genius-teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.genius-major-card,
.genius-testimonial-card,
.genius-teacher-card {
    border-radius: 22px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
    padding: 22px;
    display: grid;
    gap: 10px;
}

.genius-badge {
    display: inline-flex;
    justify-self: start;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(217, 74, 74, 0.14);
    border: 1px solid rgba(217, 74, 74, 0.28);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.genius-major-card h4,
.genius-teacher-card h3 {
    margin: 0;
    font-size: 1.15rem;
}

.genius-teacher-head {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}

.genius-teacher-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border-color);
    background: var(--surface-2);
}

.genius-major-card p,
.genius-testimonial-card p,
.genius-teacher-card p {
    margin: 0;
}

.genius-teacher-courses {
    display: grid;
    gap: 8px;
}

.genius-teacher-courses strong {
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.genius-teacher-courses ul {
    list-style: none;
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
}

.genius-teacher-courses a {
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--surface-2);
    padding: 8px 10px;
    display: block;
}

.genius-teacher-courses a:hover {
    background: var(--surface-hover);
}

.genius-major-card blockquote {
    margin: 0;
    padding-left: 12px;
    border-left: 3px solid var(--secondary);
    opacity: 0.9;
}

.genius-inline-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.genius-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.genius-course-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.genius-course-stat {
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
    padding: 20px;
    display: grid;
    gap: 6px;
    text-align: center;
}

.genius-course-stat strong {
    font-size: 2rem;
    line-height: 1;
    color: var(--primary);
}

.genius-course-stat span {
    font-weight: 700;
}

.genius-course-stat small {
    opacity: 0.75;
}

.genius-course-stat-link {
    grid-column: 1 / -1;
    text-align: center;
}

.genius-course-stat-link a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 700;
}

.genius-location-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: center;
    padding: 18px 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(217, 74, 74, 0.08), rgba(0, 188, 212, 0.08));
    box-shadow: var(--box-shadow);
}

.genius-location-card p {
    margin-top: 4px;
}

.genius-location-card-compact {
    max-width: 760px;
}

.genius-location-flag {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.genius-level-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.genius-level-tab {
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--text-color);
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.genius-level-tab.is-active {
    border-color: transparent;
    color: #ffffff;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
}

.genius-level-panel {
    display: none;
}

.genius-level-panel.is-active {
    display: block;
}

.genius-semester-grid {
    margin-top: 8px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.genius-semester-card {
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.genius-semester-head {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    padding: 12px 16px;
}

.genius-semester-head h3 {
    margin: 0;
    font-size: 1.05rem;
}

.genius-semester-body {
    padding: 14px 16px;
}

.genius-semester-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.genius-semester-list .genius-course-item {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.genius-semester-list .genius-course-item:last-child {
    border-bottom: 0;
}

.genius-course-link {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(0, 188, 212, 0.35);
    border-radius: 999px;
    background: rgba(0, 188, 212, 0.12);
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.76rem;
    padding: 4px 10px;
}

.genius-level-card {
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
    padding: 24px;
    display: grid;
    gap: 18px;
}

.genius-level-card h3,
.genius-semester h4 {
    margin: 0;
}

.genius-semester {
    display: grid;
    gap: 10px;
}

.genius-semester ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.genius-semester li {
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
}

.genius-course-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.genius-course-tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    border: 1px solid rgba(0, 188, 212, 0.35);
    background: rgba(0, 188, 212, 0.14);
    color: var(--secondary);
    font-size: 0.72rem;
    padding: 4px 8px;
    white-space: nowrap;
}

.genius-method-card {
    justify-items: center;
    text-align: center;
}

.genius-method-icon {
    width: 62px;
    height: 62px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(217, 74, 74, 0.18), rgba(0, 188, 212, 0.18));
    font-size: 1.6rem;
}

.genius-semester a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 960px) {
    .genius-hero,
    .genius-about,
    .genius-grid,
    .genius-stats,
    .genius-course-stat-grid,
    .genius-courses-grid,
    .genius-grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .genius-subnav {
        margin-top: 6px;
        gap: 8px;
    }

    .genius-subnav a {
        width: 100%;
        text-align: center;
    }

    .genius-semester-grid {
        grid-template-columns: 1fr;
    }

    .genius-location-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (min-width: 769px) {
    .nav-container.has-search .nav-links {
        flex-wrap: wrap;
        overflow: visible;
        justify-content: flex-end;
        padding-bottom: 0;
    }

    .nav-container.has-search .nav-links > * {
        flex: 0 1 auto;
    }

    .admin-nav .nav-container {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        align-items: center;
        gap: 16px;
    }

    .admin-nav .admin-links {
        display: flex !important;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-end;
        gap: 10px;
        min-width: 0;
        overflow: visible;
        padding-bottom: 0;
    }

    .admin-nav .admin-links > * {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .admin-nav .logo {
        font-size: 1.35rem;
    }

    .admin-nav .admin-links a,
    .admin-nav .admin-links button,
    .admin-nav .admin-links .btn {
        font-size: 0.94rem;
        white-space: nowrap;
    }

}

@media (max-width: 1200px) {
    .admin-burger {
        display: inline-flex;
    }

    .admin-nav .admin-links {
        display: none !important;
        width: 100%;
        margin-top: 10px;
    }

    .admin-nav .admin-links.open {
        display: flex !important;
        flex-direction: column;
        align-items: stretch;
    }

    .public-burger {
        display: inline-flex;
    }
}

.public-header-shell .btn,
.dash-header-actions .btn {
    padding: 10px 18px;
    font-size: 0.95rem;
}

.learn-badge-lock {
    min-width: 30px;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.16);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.30);
}

:root[data-theme="dark"] .learn-badge-lock {
    color: #ffb4b4;
}

/* ================= ANNOUNCEMENT + NAV OVERFLOW FIX ================= */
.site-announcement {
    width: min(1540px, calc(100vw - 28px));
    margin: 8px auto 0;
    padding: 9px 12px;
    border-radius: 14px;
    border: 1px solid rgba(0, 188, 212, 0.28);
    background: linear-gradient(90deg, rgba(0, 188, 212, 0.14), rgba(217, 74, 74, 0.12));
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
}

.site-announcement-marquee {
    overflow: hidden;
    white-space: nowrap;
    font-weight: 600;
    font-size: 0.92rem;
}

.site-announcement-marquee span {
    display: inline-block;
    padding-right: 48px;
    animation: site-announcement-scroll var(--announcement-duration, 28s) linear infinite;
}

.site-announcement-text {
    display: none;
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
}

.site-announcement-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.site-announcement-link {
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 6px 12px;
    text-decoration: none;
    color: var(--text-color);
    background: var(--surface-2);
    font-size: 0.84rem;
    font-weight: 700;
}

.site-announcement-close {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-3);
    color: var(--text-color);
    cursor: pointer;
}

[data-site-announcement].is-hidden {
    display: none !important;
}

@keyframes site-announcement-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

.nav-container.has-search .nav-links,
.admin-nav .admin-links {
    max-width: 100%;
    min-width: 0;
    overflow-x: clip;
}

@media (max-width: 1360px) {
    .public-burger,
    .admin-burger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-container.has-search {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .nav-links#publicNavLinks {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding-top: 8px;
    }

    .nav-links#publicNavLinks.open {
        display: flex;
    }

    .nav-links#publicNavLinks .nav-search {
        width: 100%;
        margin: 0;
    }

    .nav-links#publicNavLinks .btn,
    .nav-links#publicNavLinks .language-switcher,
    .nav-links#publicNavLinks .theme-toggle {
        width: 100%;
        justify-content: center;
    }

    .admin-nav .admin-links {
        display: none !important;
        width: 100%;
        margin-top: 8px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .admin-nav .admin-links.open {
        display: flex !important;
    }

    .admin-nav .admin-links .btn,
    .admin-nav .admin-links form {
        width: 100%;
    }

    .admin-nav .admin-links .btn {
        justify-content: center;
    }
}

@media (min-width: 1361px) {
    .public-burger,
    .admin-burger {
        display: none;
    }

    .nav-links#publicNavLinks {
        display: flex !important;
    }

    .admin-nav .admin-links {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    .site-announcement {
        width: calc(100vw - 20px);
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 10px;
    }

    .site-announcement-marquee {
        display: none;
    }

    .site-announcement-text {
        display: block;
    }
}

/* Admin nav ergonomic overrides */
.admin-nav .nav-container {
    align-items: center;
    gap: 10px;
}

.admin-nav .admin-links {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: 10px;
    min-width: 0;
    flex-wrap: wrap;
}

.admin-nav .admin-links > a,
.admin-nav .admin-links > button,
.admin-nav .admin-links > .btn {
    white-space: nowrap;
}

.admin-nav .admin-nav-more {
    position: relative;
}

.admin-nav .admin-nav-more summary {
    list-style: none;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 8px 14px;
    background: var(--card-bg);
    color: var(--text-color);
}

.admin-nav .admin-nav-more summary::-webkit-details-marker {
    display: none;
}

.admin-nav .admin-nav-more[open] summary {
    border-color: rgba(0, 188, 212, 0.5);
}

.admin-nav .admin-nav-more-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 210px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-color);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
    z-index: 30;
    display: grid;
    gap: 4px;
}

.admin-nav .admin-nav-more-menu a {
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 10px;
}

.admin-nav .admin-nav-more-menu a:hover {
    border-color: var(--border-color);
    background: var(--surface-2);
}

@media (max-width: 1360px) {
    .admin-nav .admin-nav-more-menu {
        position: static;
        min-width: 100%;
        box-shadow: none;
        margin-top: 8px;
    }
}