@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    color-scheme: light;
    --primary: #243f70;
    --secondary: #087b62;
    --accent: #e9b95d;
    --background: #f3f6fb;
    --surface: #fff;
    --surface-alt: #f7f9fc;
    --text: #202b3c;
    --muted: #68758a;
    --border: #e2e8f0;
    --danger: #b42332;
    --card-tone-1: var(--primary);
    --card-tone-2: var(--secondary);
    --card-tone-3: var(--accent);
    --card-tone-4: var(--danger);
    --radius: 18px;
    --shadow: 0 16px 42px rgba(34, 55, 88, .08);
    font-family: "Outfit", "Segoe UI", sans-serif;
}
.theme-royal_blue { --primary: #243f70; --secondary: #087b62; --accent: #e9b95d; }
.theme-emerald { --primary: #14624d; --secondary: #2a8b67; --accent: #e9b95d; }
.theme-purple { --primary: #543c82; --secondary: #7562a4; --accent: #e5b7df; }
.theme-sunshine { --primary: #78520a; --secondary: #197568; --accent: #f0bf38; }
.theme-ocean { --primary: #155878; --secondary: #157b85; --accent: #efbd62; }
.theme-rose { --primary: #84465b; --secondary: #a64e70; --accent: #e5b4c3; }
.theme-classic_light { --primary: #243f70; --secondary: #087b62; --accent: #d6a53c; }
.theme-dark_professional { --primary: #8eaae2; --secondary: #6fc1a6; --accent: #edc46f; }

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--background); color: var(--text); font-size: calc(18px * var(--scale, 1)); font-family: var(--page-font, "Outfit"), "Segoe UI", sans-serif; }
body[data-mode="dark"] { color-scheme: dark; --background: #111827; --surface: #1b2535; --surface-alt: #222f42; --text: #eef3fb; --muted: #a8b5c8; --border: #334258; --shadow: 0 18px 48px rgba(0,0,0,.24); }
body[data-mode="dark"] .theme-dark_professional { --background: #111827; }
body[data-mode="system"] { color-scheme: light dark; }
@media (prefers-color-scheme: dark) {
    body[data-mode="system"] { --background: #111827; --surface: #1b2535; --surface-alt: #222f42; --text: #eef3fb; --muted: #a8b5c8; --border: #334258; }
}
a { color: var(--primary); }
.app-shell { display: flex; min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; width: 280px; min-height: 100vh; padding: 22px 18px; background: linear-gradient(180deg, rgba(36,63,112,0.96), rgba(17,24,39,0.94)); border-right: 1px solid var(--border); box-shadow: var(--shadow); }
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 8px 6px 18px; border-bottom: 1px solid rgba(255,255,255,0.12); color: #fff; }
.sidebar-brand strong, .sidebar-brand small { display: block; }
.sidebar-brand small { color: rgba(255,255,255,0.7); }
.sidebar .brand-mark { width: 46px; height: 46px; border-radius: 14px; font-size: 1.05rem; background: linear-gradient(145deg, #6e8ed1, var(--accent) 135%); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.28), 0 8px 18px rgba(8,18,42,.22); }
.sidebar .main-nav { display: grid; gap: 8px; margin: 18px 0 0; }
.sidebar .main-nav a { display: flex; align-items: center; gap: 12px; padding: 12px 12px; border-radius: 12px; color: rgba(255,255,255,0.8); font-weight: 500; text-decoration: none; }
.sidebar .main-nav a:hover, .sidebar .main-nav a:focus-visible { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar .main-nav i { width: 18px; text-align: center; }
.sidebar-user { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.12); }
.user-mini { display: flex; align-items: center; gap: 12px; color: #fff; }
.user-avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(255,255,255,0.1); font-weight: 800; }
.user-avatar i { font-size: 16px; }
.user-mini strong, .user-mini small { display: block; }
.user-mini small { color: rgba(255,255,255,0.7); }
.sidebar-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; }
.sidebar-actions .button.button-quiet { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: #fff; }
.sidebar-actions .language-switch select { min-width: 82px; background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.12); }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
.topbar { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 24px; padding: 12px clamp(16px, 4vw, 56px); background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 11px; color: var(--primary); text-decoration: none; font-size: 20px; font-weight: 700; white-space: nowrap; }
.brand small { display: block; color: var(--muted); font-size: 13px; font-weight: 400; }
.brand-mark { position: relative; display: grid; width: 42px; height: 42px; place-items: center; overflow: hidden; border: 1px solid rgba(255,255,255,.32); border-radius: 14px; color: #fff; background: linear-gradient(145deg, #5479bd, var(--primary) 62%, #172f57); box-shadow: inset 0 1px 0 rgba(255,255,255,.3), 0 5px 13px rgba(21,40,75,.22); }
.brand-mark > span { position: relative; z-index: 1; font-size: .82em; font-weight: 700; letter-spacing: -.08em; }
.brand-mark::after { position: absolute; top: -18px; right: -14px; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; box-shadow: 0 0 0 6px rgba(255,255,255,.06); content: ""; }
.brand-mark img { position: relative; z-index: 1; display: block; width: 100%; height: 100%; object-fit: cover; }
.sidebar .brand-mark img { border-radius: inherit; }
.main-nav { display: flex; align-items: center; gap: 7px; margin-left: auto; }
.main-nav a { padding: 10px 12px; border-radius: 10px; text-decoration: none; color: var(--muted); }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--primary); background: var(--surface-alt); }
.account { display: flex; align-items: center; gap: 12px; }
.account form { margin: 0; }
.account-name { font-weight: 700; }
.language-switch select { width: auto; padding: 8px; }
.page-shell { width: min(1200px, calc(100% - 24px)); margin: 24px auto 64px; padding: 0 12px; font-family: var(--page-font, "Outfit"), "Segoe UI", sans-serif; font-size: calc(18px * var(--scale, 1)); }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 20px clamp(16px, 4vw, 56px); color: var(--muted); font-size: 15px; background: rgba(255,255,255,0.6); border-top: 1px solid var(--border); }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 0 0 24px; }
.page-heading h1, .hero h1 { margin: 0; color: var(--primary); font-size: clamp(32px, 5vw, 50px); line-height: 1.05; }
.page-heading p, .hero p, .muted { color: var(--muted); margin: 8px 0 0; }
.eyebrow { color: var(--secondary); font-weight: 700; letter-spacing: .13em; font-size: 14px; }
.panel { padding: calc(24px * var(--density, 1)); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero { position: relative; overflow: hidden; padding: clamp(28px, 6vw, 58px); margin-bottom: 24px; color: #fff; border-radius: 26px; background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary), var(--secondary) 46%)); box-shadow: var(--shadow); }
.hero h1 { color: #fff; }
.hero p { color: rgba(255,255,255,.82); font-size: 21px; }
.hero .eyebrow { color: var(--accent); }
.hero-orb { position: absolute; width: 230px; height: 230px; right: 7%; top: -50px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 34px rgba(255,255,255,.04), 0 0 0 70px rgba(255,255,255,.035); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.stat-card { padding: 20px; border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); }
.stat-card strong { display: block; margin-top: 9px; color: var(--primary); font-size: 31px; font-weight: 700; }
.stat-card span { color: var(--muted); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(250px, .8fr); gap: 20px; }
.lesson-list { display: grid; gap: 12px; }
.lesson-card { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.lesson-time { color: var(--primary); font-weight: 700; }
.lesson-card h3 { margin: 0; font-size: 21px; }
.lesson-card p { margin: 4px 0 0; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 9px 16px; border: 1px solid transparent; border-radius: 11px; font-weight: 700; text-decoration: none; }
.button-primary { background: var(--primary); color: #fff; }
.button-primary:hover { filter: brightness(1.1); }
.button-secondary { background: var(--secondary); color: #fff; }
.button-quiet { background: transparent; color: var(--primary); border-color: var(--border); }
.button-danger { background: #fff0f0; color: var(--danger); border-color: #f2c5c9; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.form-stack { display: grid; gap: 15px; }
label { display: grid; gap: 7px; color: var(--text); font-weight: 700; }
input, select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
input[type="radio"], input[type="checkbox"] { width: 18px; height: 18px; min-height: 18px; flex: 0 0 18px; margin: 0; padding: 0; accent-color: var(--primary); vertical-align: middle; }
label > span:has(input[type="checkbox"]) { display: flex; align-items: center; gap: 9px; }
textarea { min-height: 88px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid color-mix(in srgb, var(--user-accent), transparent 68%); border-color: var(--user-accent); }
.span-2 { grid-column: span 2; }
.form-section { margin: 24px 0 12px; padding-bottom: 9px; color: var(--primary); border-bottom: 1px solid var(--border); }
.notice { padding: 13px 16px; margin-bottom: 18px; border-radius: 12px; }
.notice-success { color: #135c47; background: #e4f6ed; }
.notice-error { color: #86232d; background: #fde9eb; }
.notice-info { color: var(--primary); background: color-mix(in srgb, var(--primary), transparent 93%); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 650px; background: var(--surface); }
th, td { padding: 13px 15px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); background: var(--surface-alt); }
.badge { display: inline-block; padding: 4px 9px; border-radius: 99px; background: var(--surface-alt); color: var(--secondary); font-size: 15px; }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(120px, 1fr)); gap: 9px; overflow-x: auto; }
.day-column { min-height: 118px; padding: 11px; border-radius: 12px; background: var(--surface-alt); border: 1px solid var(--border); }
.day-column h3 { margin: 0 0 8px; color: var(--primary); }
.day-event { margin: 7px 0; padding: 8px; border-left: 3px solid var(--user-accent); border-radius: 7px; background: var(--surface); font-size: 15px; }
.theme-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.theme-option { padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.theme-swatch { display: flex; height: 34px; margin-bottom: 8px; overflow: hidden; border-radius: 8px; }
.theme-swatch i { flex: 1; }
.dashboard-shell { display: grid; gap: 24px; }
.role-hero {
    display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(200px, .8fr);
    align-items: center; gap: 18px; padding: clamp(22px, 4vw, 42px);
    border-radius: 28px; background: linear-gradient(135deg, rgba(36,63,112,.96), rgba(94,130,214,.82));
    box-shadow: var(--shadow); color: #fff;
}
.role-hero .eyebrow { color: var(--accent); }
.role-hero h1 { margin: 14px 0 8px; color: #fff; font-size: clamp(32px, 5vw, 52px); line-height: 1.02; }
.role-hero p { margin: 0; color: rgba(255,255,255,.8); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.button-ghost {
    background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35); color: #fff;
}
.hero-illustration {
    position: relative; display: grid; place-items: center; min-height: 220px; border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.05)); border: 1px solid rgba(255,255,255,.18);
}
.mini-card { position: absolute; display: flex; align-items: center; gap: 10px; border-radius: 18px; padding: 12px 18px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2); color: #fff; }
.mini-card.small { top: 28px; right: 28px; }
.mini-card.large { bottom: 32px; left: 34px; min-width: 160px; justify-content: center; font-size: 1.05rem; }
.mini-card i { font-size: 1.2rem; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.metric-card {
    display: flex; gap: 14px; align-items: center; padding: 18px 16px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
}
.metric-icon {
    display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: linear-gradient(135deg, rgba(36,63,112,.1), rgba(8,123,98,.12)); color: var(--primary);
}
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card strong { display: block; margin-top: 2px; font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: var(--primary); }
.mobile-app-header { display: none; }
.notification-count { position: absolute; top: 3px; right: 3px; display: inline-grid; min-width: 17px; height: 17px; place-items: center; padding: 0 4px; border: 2px solid var(--surface); border-radius: 99px; color: #fff; background: #e54858; font-size: 10px; font-weight: 600; line-height: 1; }
.notification-heading-count { display: inline-grid; min-width: 24px; height: 24px; vertical-align: middle; place-items: center; padding: 0 7px; border-radius: 99px; color: #fff; background: #e54858; font-size: 13px; font-weight: 600; }
.sidebar .main-nav a { position: relative; }
.sidebar .main-nav .notification-count { top: 5px; right: 5px; }
.mobile-nav a { position: relative; }
.mobile-nav .notification-count { top: 1px; right: calc(50% - 23px); }
.mobile-header-notifications { position: relative; display: grid; width: 34px; height: 36px; place-items: center; color: var(--text); border-radius: 11px; background: var(--surface-alt); text-decoration: none; }
.mobile-header-notifications i { font-size: 16px; }
.mobile-header-notifications .notification-count { top: -5px; right: -5px; }
.mobile-brand { display: flex; min-width: 0; align-items: center; gap: 9px; color: var(--text); text-decoration: none; }
.mobile-brand-copy { display: grid; min-width: 0; gap: 1px; }
.mobile-brand-copy strong, .mobile-brand-copy small { overflow: hidden; max-width: 32vw; text-overflow: ellipsis; white-space: nowrap; }
.mobile-brand-copy strong { font-size: 13px; font-weight: 600; }
.mobile-brand-copy small { color: var(--muted); font-size: 11px; }
.mobile-header-actions { display: flex; flex: 0 0 auto; align-items: center; gap: 5px; }
.mobile-header-actions form { margin: 0; }
.mobile-header-actions .select2-container { width: 72px !important; }
.mobile-header-actions .select2-selection--single { min-height: 36px; padding: 1px 5px; border-radius: 11px; }
.mobile-header-actions .select2-selection--single .select2-selection__rendered { line-height: 30px; }
.mobile-header-actions .select2-selection--single .select2-selection__arrow { height: 34px; }
.mobile-header-actions .icon-button { display: grid; width: 34px; height: 36px; place-items: center; color: var(--text); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 11px; }
.mobile-user-avatar { width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 50%; color: var(--primary); background: var(--surface-alt); }
.profile-menu { position: relative; flex: 0 0 auto; }
.profile-menu > summary { display: grid; cursor: pointer; list-style: none; }
.profile-menu > summary::-webkit-details-marker { display: none; }
.profile-menu-popover { position: absolute; top: calc(100% + 10px); right: 0; z-index: 60; width: min(250px, calc(100vw - 24px)); padding: 8px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 16px 40px rgba(18,34,58,.2); }
.profile-menu-heading { display: grid; gap: 2px; padding: 10px; border-bottom: 1px solid var(--border); }
.profile-menu-heading strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; font-weight: 600; }
.profile-menu-heading small { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.profile-menu-popover > a, .profile-menu-popover form button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 11px 10px; color: var(--text); background: transparent; border: 0; border-radius: 10px; font: inherit; font-size: 14px; text-align: left; text-decoration: none; }
.profile-menu-popover > a:hover, .profile-menu-popover form button:hover { color: var(--primary); background: var(--surface-alt); }
.profile-menu-popover form { margin: 0; border-top: 1px solid var(--border); }
.language-flag-button { display: grid; width: 34px; height: 36px; place-items: center; padding: 0; color: inherit; background: transparent; border: 0; border-radius: 9px; font-size: 21px; }
.language-flag-button img { display: block; width: 24px; height: 16px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(32,43,60,.12); }
.language-flag-button:hover, .language-flag-button:focus-visible { background: var(--surface-alt); outline: 2px solid color-mix(in srgb, var(--user-accent), transparent 35%); outline-offset: 1px; }
.access-denied { display: grid; justify-items: center; max-width: 580px; margin: clamp(36px, 10vh, 100px) auto; padding: clamp(24px, 6vw, 46px); text-align: center; }
.access-denied-icon { display: grid; width: 72px; height: 72px; place-items: center; margin-bottom: 18px; color: var(--primary); background: color-mix(in srgb, var(--primary), transparent 90%); border: 1px solid color-mix(in srgb, var(--primary), transparent 82%); border-radius: 24px; font-size: 27px; }
.access-denied .eyebrow { margin: 0; }
.access-denied h1 { margin: 8px 0; color: var(--text); font-size: clamp(26px, 5vw, 36px); font-weight: 600; }
.access-denied > p:not(.eyebrow) { max-width: 380px; color: var(--muted); }
.access-denied-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 14px; }
.profile-panel { display: grid; grid-template-columns: 90px minmax(0, 1fr); align-items: start; gap: 20px; }
.profile-avatar-large { display: grid; width: 76px; height: 76px; place-items: center; color: var(--primary); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 24px; font-size: 28px; }
.profile-settings-note { display: flex; align-items: flex-start; gap: 10px; padding: 12px; color: var(--muted); background: var(--surface-alt); border-radius: 12px; font-size: 14px; }
.profile-settings-note i { margin-top: 3px; color: var(--primary); }
.analysis-filters { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-bottom: 16px; padding: 14px 18px; }
.analysis-filters label { min-width: min(220px, 100%); font-size: 13px; font-weight: 500; }
.analysis-filters select { min-height: 40px; }
.analysis-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.analysis-metric { display: flex; min-width: 0; align-items: center; gap: 12px; padding: 16px; }
.analysis-metric-icon { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; color: var(--primary); background: color-mix(in srgb, var(--primary), transparent 91%); border-radius: 13px; }
.analysis-metric > div { display: grid; min-width: 0; gap: 2px; }
.analysis-metric small, .analysis-metric > div > span { color: var(--muted); font-size: 12px; }
.analysis-metric strong { color: var(--primary); font-size: 25px; font-weight: 700; line-height: 1.15; }
.analysis-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.analysis-grid h2 { margin: 4px 0 0; font-size: 21px; font-weight: 700; }
.analysis-page-heading { position: relative; align-items: center; min-height: 126px; padding: 22px 24px; overflow: hidden; background: linear-gradient(115deg, color-mix(in srgb, var(--primary), transparent 3%), color-mix(in srgb, var(--secondary), transparent 12%)); border-radius: 22px; color: #fff; }
.analysis-page-heading .eyebrow { color: rgba(255,255,255,.78); }
.analysis-page-heading h1 { margin: 5px 0; color: #fff; font-size: clamp(26px, 3vw, 34px); font-weight: 700; }
.analysis-page-heading p { max-width: 650px; margin: 0; color: rgba(255,255,255,.84); }
.analysis-heading-mark { display: grid; width: 76px; height: 76px; flex: 0 0 76px; place-items: center; color: rgba(255,255,255,.9); background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.23); border-radius: 24px; font-size: 31px; }
.analysis-performance-grid { align-items: stretch; }
.analysis-performance-panel, .analysis-assessment-form-panel { min-width: 0; }
.analysis-score-average { display: inline-flex; align-items: baseline; padding: 8px 11px; color: var(--primary); background: var(--surface-alt); border-radius: 11px; font-size: 20px; font-weight: 700; white-space: nowrap; }
.analysis-score-summary { display: grid; grid-template-columns: minmax(0, 1fr) 44px; align-items: center; gap: 10px 12px; margin-top: 20px; }
.analysis-score-summary > span { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.analysis-score-summary > strong { color: var(--primary); font-size: 14px; text-align: right; }
.analysis-score-track { height: 12px; overflow: hidden; background: var(--surface-alt); border-radius: 99px; }
.analysis-score-track i { display: block; height: 100%; min-width: 2px; background: linear-gradient(90deg, var(--secondary), var(--primary)); border-radius: inherit; }
.analysis-score-help { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.analysis-radar-panel { margin-bottom: 16px; }
.analysis-radar-help { max-width: 760px; margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.analysis-radar-content { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(180px, .7fr); align-items: center; gap: 20px; margin-top: 12px; }
.analysis-radar { display: block; width: 100%; max-width: 460px; height: auto; margin: 0 auto; overflow: visible; }
.analysis-radar-grid { fill: none; stroke: var(--border); stroke-width: 1; }
.analysis-radar-spoke { stroke: var(--border); stroke-width: 1; }
.analysis-radar-axis-label { fill: var(--muted); font-family: var(--font-family); font-size: 11px; }
.analysis-radar-series { stroke-width: 2; stroke-linejoin: round; }
.analysis-radar-series.radar-series-1 { fill: color-mix(in srgb, var(--primary), transparent 82%); stroke: var(--primary); }
.analysis-radar-series.radar-series-2 { fill: color-mix(in srgb, var(--secondary), transparent 84%); stroke: var(--secondary); }
.analysis-radar-series.radar-series-3 { fill: color-mix(in srgb, var(--accent), transparent 82%); stroke: var(--accent); }
.analysis-radar-series.radar-series-4 { fill: color-mix(in srgb, var(--danger), transparent 86%); stroke: var(--danger); }
.analysis-radar-legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; margin: 0; padding: 0; list-style: none; }
.analysis-radar-legend li { display: flex; min-width: 0; align-items: center; gap: 9px; color: var(--text); font-size: 13px; }
.analysis-radar-legend li > span:last-child { overflow-wrap: anywhere; }
.analysis-radar-swatch { width: 12px; height: 12px; flex: 0 0 12px; border-radius: 4px; }
.analysis-radar-swatch.radar-series-1 { background: var(--primary); }
.analysis-radar-swatch.radar-series-2 { background: var(--secondary); }
.analysis-radar-swatch.radar-series-3 { background: var(--accent); }
.analysis-radar-swatch.radar-series-4 { background: var(--danger); }
.analysis-form-icon { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; color: var(--primary); background: var(--surface-alt); border-radius: 12px; }
.analysis-assessment-form { gap: 11px; }
.analysis-assessment-form label { font-size: 12px; font-weight: 500; }
.analysis-assessment-form input, .analysis-assessment-form select, .analysis-assessment-form textarea { min-height: 40px; padding: 8px 10px; font-size: 14px; font-weight: 400; }
.analysis-assessment-form textarea { min-height: 65px; }
.analysis-assessment-form .button { min-height: 42px; }
.analysis-assessment-history { margin-bottom: 16px; }
.analysis-assessment-list { display: grid; }
.analysis-assessment-item { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: start; gap: 12px; padding: 14px 0; border-top: 1px solid var(--border); }
.analysis-assessment-icon { display: grid; width: 36px; height: 36px; place-items: center; color: var(--secondary); background: var(--surface-alt); border-radius: 12px; }
.analysis-assessment-copy { display: grid; min-width: 0; gap: 3px; }
.analysis-assessment-copy > strong { font-size: 14px; font-weight: 600; }
.analysis-assessment-copy > span, .analysis-assessment-copy > small { color: var(--muted); font-size: 12px; }
.analysis-assessment-copy p { margin: 5px 0 0; color: var(--text); font-size: 13px; white-space: normal; }
.analysis-assessment-score { color: var(--primary); font-size: 18px; font-weight: 700; white-space: nowrap; }
.analysis-assessment-score small { color: var(--muted); font-size: 12px; font-weight: 500; }
.analysis-month-chart { display: grid; height: 150px; grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: stretch; gap: 10px; margin-top: 16px; }
.analysis-month { display: grid; min-width: 0; grid-template-rows: 18px minmax(0, 1fr) 18px; align-items: center; gap: 5px; text-align: center; }
.analysis-month > span, .analysis-month small { color: var(--muted); font-size: 12px; }
.analysis-month-track { display: flex; height: 100%; align-items: flex-end; overflow: hidden; background: var(--surface-alt); border-radius: 9px; }
.analysis-month-track i { display: block; width: 100%; min-height: 4px; background: linear-gradient(180deg, var(--secondary), var(--primary)); border-radius: 9px; }
.analysis-monthly-performance { grid-column: 1 / -1; }
.analysis-monthly-performance .panel-heading { align-items: flex-start; }
.monthly-average-card {
    display: grid;
    justify-items: end;
    gap: 3px;
    min-width: 140px;
    padding: 9px 12px;
    background: var(--surface-alt);
    border-radius: 13px;
    text-align: right;
}
.monthly-average-card > small { color: var(--muted); font-size: 11px; }
.monthly-average-card > strong { color: var(--primary); font-size: 21px; line-height: 1.1; }
.monthly-performance-change {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.25;
}
.monthly-performance-change.is-improving { color: #087b62; }
.monthly-performance-change.is-declining { color: #b42332; }
.monthly-performance-change.is-stable, .monthly-performance-change.is-unavailable { color: var(--muted); }
.analysis-monthly-help { margin: 0; color: var(--muted); font-size: 13px; }
.analysis-performance-chart {
    display: grid;
    height: 190px;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: stretch;
    gap: 12px;
    margin-top: 16px;
    padding: 0 4px;
}
.analysis-performance-month {
    display: grid;
    min-width: 0;
    grid-template-rows: 18px minmax(0, 1fr) 18px;
    align-items: center;
    gap: 5px;
    text-align: center;
}
.analysis-performance-month > span,
.analysis-performance-month > small { color: var(--muted); font-size: 12px; white-space: nowrap; }
.analysis-performance-month > span { font-variant-numeric: tabular-nums; }
.analysis-performance-track {
    display: flex;
    height: 100%;
    align-items: flex-end;
    overflow: hidden;
    background: var(--surface-alt);
    border-radius: 10px;
}
.analysis-performance-track > i {
    display: block;
    width: 100%;
    min-height: 3px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--secondary), #fff 12%), var(--secondary));
    border-radius: 10px;
    transition: height .35s ease;
}
.analysis-performance-month.is-latest .analysis-performance-track > i {
    background: linear-gradient(180deg, color-mix(in srgb, var(--primary), #fff 12%), var(--primary));
    box-shadow: 0 0 14px color-mix(in srgb, var(--primary), transparent 68%);
}
.analysis-performance-month.is-latest > small { color: var(--primary); font-weight: 700; }
.attendance-breakdown { display: grid; gap: 15px; margin-top: 20px; }
.attendance-row { display: grid; grid-template-columns: 70px minmax(0, 1fr) 28px; align-items: center; gap: 10px; font-size: 13px; }
.attendance-row > span { color: var(--muted); }
.attendance-row > strong { text-align: right; font-weight: 600; }
.attendance-track { height: 9px; overflow: hidden; background: var(--surface-alt); border-radius: 99px; }
.attendance-track i { display: block; height: 100%; min-width: 3px; border-radius: inherit; }
.attendance-present { background: #168a54; }
.attendance-late { background: #d99a25; }
.attendance-absent { background: #c64a54; }
.attendance-excused { background: #728198; }
.analysis-tables { grid-template-columns: minmax(0, 1fr); align-items: start; }
.analysis-tables .table-wrap { margin-top: 12px; }
.analysis-tables table { min-width: 420px; }
.analysis-learner-panel { margin-bottom: 16px; }
.learner-insights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.learner-insights article { min-width: 0; }
.learner-insights .user-avatar { width: 34px; height: 34px; color: var(--primary); background: var(--surface-alt); }
.learner-insights article > div { min-width: 0; }
.learner-insights article strong, .learner-insights article small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.learner-insights article strong { font-size: 14px; font-weight: 500; }
.learner-insights article small { color: var(--muted); font-size: 12px; }
.learner-rate { color: var(--primary); font-size: 15px; font-weight: 600; }
.learner-insight-card { display: grid; align-content: start; gap: 12px; padding: 16px; background: var(--surface-alt); border: 1px solid var(--border); border-radius: 16px; }
.learner-insight-card header { display: flex; align-items: center; gap: 10px; }
.learner-insight-card header > div { min-width: 0; }
.learner-insight-card header strong, .learner-insight-card header small { display: block; overflow-wrap: anywhere; }
.learner-insight-card header strong { font-size: 14px; font-weight: 600; }
.learner-insight-card header small { color: var(--muted); font-size: 12px; }
.learner-insight-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.learner-insight-stats > span { display: grid; min-width: 0; gap: 3px; padding: 9px; background: var(--surface); border-radius: 10px; }
.learner-insight-stats small { color: var(--muted); font-size: 11px; }
.learner-insight-stats strong { color: var(--primary); font-size: 17px; font-weight: 700; }
.learner-insight-subjects, .learner-insight-latest { display: grid; grid-template-columns: 16px minmax(0, 1fr); align-items: start; gap: 7px; margin: 0; color: var(--muted); font-size: 12px; }
.learner-insight-subjects i { margin-top: 2px; color: var(--secondary); }
.learner-insight-latest { grid-template-columns: 1fr; gap: 3px; padding-left: 23px; }
.learner-insight-latest small, .learner-insight-latest span { color: var(--muted); font-size: 11px; }
.learner-insight-latest strong { color: var(--text); font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.notification-dialog { position: fixed; z-index: 80; inset: var(--notification-top, 72px) var(--notification-right, 12px) auto auto; display: flex; width: var(--notification-width, min(420px, calc(100vw - 20px))); max-height: min(76dvh, 600px); flex-direction: column; margin: 0; padding: 0; overflow: hidden; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 18px 56px rgba(14,24,44,.24); }
.notification-dialog:not([open]) { display: none; }
.notification-dialog::backdrop { background: transparent; }
.notification-dialog[open] { animation: notification-dialog-in .16s ease-out; }
@keyframes notification-dialog-in { from { opacity: 0; transform: translateY(8px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
.notification-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.notification-dialog-header .eyebrow { margin: 0; font-size: 10px; }
.notification-dialog-header h2 { margin: 3px 0 0; font-size: 21px; font-weight: 700; }
.notification-dialog-actions { display: flex; align-items: center; gap: 8px; }
.notification-mark-all { padding: 7px 9px; color: var(--primary); background: var(--surface-alt); border: 0; border-radius: 9px; font: inherit; font-size: 11px; font-weight: 600; white-space: nowrap; cursor: pointer; }
.notification-mark-all:disabled { opacity: .55; cursor: wait; }
.notification-dialog-header .icon-button { display: grid; width: 36px; height: 36px; place-items: center; color: var(--muted); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 50%; }
.notification-dialog-status { min-height: 0; color: var(--secondary); font-size: 12px; }
.notification-dialog-status:not(:empty) { padding: 8px 20px; }
.notification-modal-list { max-height: min(calc(76dvh - 150px), 480px); overflow-y: auto; }
.notification-modal-item { display: grid; grid-template-columns: minmax(0, 1fr) 32px; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.notification-modal-item.unread { background: color-mix(in srgb, var(--primary), transparent 96%); }
.notification-modal-open { display: grid; min-width: 0; grid-template-columns: 36px minmax(0, 1fr); align-items: start; gap: 10px; color: inherit; text-decoration: none; }
.notification-modal-open:focus-visible { outline: 2px solid var(--user-accent); outline-offset: 3px; border-radius: 8px; }
.notification-modal-icon { display: grid; width: 34px; height: 34px; place-items: center; color: var(--primary); background: var(--surface); border: 1px solid var(--border); border-radius: 11px; }
.notification-modal-copy { min-width: 0; }
.notification-modal-copy > * { display: block; }
.notification-modal-title { display: flex; align-items: center; gap: 7px; }
.notification-modal-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; font-weight: 600; }
.notification-modal-title > i { width: 7px; height: 7px; flex: 0 0 7px; background: #e54858; border-radius: 50%; }
.notification-modal-message { display: -webkit-box; margin: 4px 0; overflow: hidden; color: var(--muted); font-size: 13px; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.notification-modal-copy small { color: var(--muted); font-size: 11px; }
.notification-read-button { display: grid; width: 30px; height: 30px; place-items: center; color: var(--secondary); background: var(--surface); border: 1px solid var(--border); border-radius: 9px; }
.notification-read-button:disabled { opacity: .5; }
.notification-modal-empty { display: grid; min-height: 180px; justify-items: center; align-content: center; gap: 10px; color: var(--muted); font-size: 14px; }
.notification-modal-empty > span { display: grid; width: 48px; height: 48px; place-items: center; color: var(--primary); background: var(--surface-alt); border-radius: 16px; font-size: 20px; }
.notification-modal-all { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; color: var(--primary); border-top: 1px solid var(--border); font-size: 13px; font-weight: 600; text-decoration: none; }
.notification-modal-all:hover { background: var(--surface-alt); }
.notification-count[hidden] { display: none; }
.mobile-header-notifications { padding: 0; border: 1px solid var(--border); cursor: pointer; }
.mobile-header-notifications:focus-visible { outline: 3px solid color-mix(in srgb, var(--user-accent), transparent 55%); outline-offset: 2px; }
.notification-dialog-header h2, .learner-insight-card header strong { letter-spacing: -.01em; }
.auth-help-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; }
.auth-text-button { padding: 4px 0; color: var(--primary); background: transparent; border: 0; font: inherit; font-size: 14px; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.button-with-count { position: relative; }
.button-with-count .notification-count { top: -6px; right: -6px; }
.action-card-count { position: relative; padding-right: 32px; }
.action-card-count .notification-count { top: 7px; right: 7px; }
.request-dialog { width: min(460px, calc(100% - 28px)); max-height: min(90dvh, 760px); padding: 22px; overflow-y: auto; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 24px 80px rgba(14,24,44,.3); }
.request-dialog::backdrop { background: rgba(15,24,42,.52); backdrop-filter: blur(4px); }
.request-dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.request-dialog-heading h2 { margin: 5px 0 0; font-size: 23px; font-weight: 600; }
.request-dialog .icon-button { display: grid; width: 36px; height: 36px; flex: 0 0 36px; place-items: center; color: var(--muted); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 50%; }
.request-dialog form[hidden], .custom-theme-colors[hidden] { display: none; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr); gap: 20px; }
.activity-panel .panel-heading { align-items: flex-start; }
.activity-total { flex: 0 0 auto; padding: 5px 8px; border-radius: 99px; color: var(--secondary); background: var(--surface-alt); font-size: 13px; white-space: nowrap; }
.activity-chart { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); align-items: stretch; gap: 9px; height: 118px; margin-top: 12px; }
.activity-day { display: grid; grid-template-rows: 18px minmax(0, 1fr) 18px; align-items: center; gap: 4px; min-width: 0; height: 100%; text-align: center; }
.activity-count, .activity-label { color: var(--muted); font-size: 12px; line-height: 1; }
.activity-track { display: flex; align-items: flex-end; width: 100%; height: 100%; overflow: hidden; border-radius: 8px; background: var(--surface-alt); }
.activity-track i { display: block; width: 100%; min-height: 4px; border-radius: 8px; background: linear-gradient(180deg, var(--secondary), var(--primary)); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.panel-heading h2 { margin: 4px 0 0; font-size: 28px; }
.panel-heading.compact h2 { font-size: 22px; }
.lesson-card {
    display: grid; grid-template-columns: 86px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(180deg, var(--surface), var(--surface-alt));
}
.lesson-time {
    display: grid; place-items: center; min-height: 74px; background: rgba(36,63,112,.06); border-radius: 14px; text-align: center; color: var(--primary);
}
.lesson-time strong { display: block; font-size: 26px; }
.lesson-time span { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.lesson-main h3 { margin: 0 0 5px; }
.lesson-main p { margin: 0; color: var(--muted); }
.lesson-meta { display: grid; gap: 8px; justify-items: end; font-size: 14px; color: var(--muted); }
.small-link { color: var(--primary); text-decoration: none; font-weight: 700; }
.side-panel { display: grid; gap: 16px; }
.next-card {
    padding: 18px; border-radius: 18px; background: linear-gradient(180deg, rgba(36,63,112,.04), rgba(8,123,98,.03)); border: 1px solid var(--border);
}
.next-date { display: grid; width: max-content; min-width: 90px; gap: 2px; padding: 9px 13px; border-radius: 14px; background: var(--primary); color: #fff; }
.next-date span { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.next-date strong { font-size: 18px; font-weight: 700; line-height: 1.1; }
.next-date small { color: rgba(255,255,255,.78); font-size: 10px; font-weight: 500; }
.next-card h3 { margin: 14px 0 8px; font-size: 28px; }
.next-card p { margin: 0; color: var(--muted); }
.next-card ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.next-card li { display: flex; align-items: center; gap: 8px; color: var(--text); }
.quick-actions {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 4px;
}
.action-card {
    display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; color: var(--text);
}
.action-card i { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(36,63,112,.08); color: var(--primary); }
.demo-data-panel { display: grid; gap: 20px; }
.demo-data-intro { display: grid; grid-template-columns: 52px minmax(0, 1fr); align-items: start; gap: 14px; }
.demo-data-icon { display: grid; width: 50px; height: 50px; place-items: center; color: var(--primary); background: var(--surface-alt); border-radius: 16px; font-size: 20px; }
.demo-data-intro h2 { margin: 2px 0 7px; font-size: 22px; }
.demo-data-intro p { margin: 0; color: var(--muted); line-height: 1.6; }
.demo-data-panel > .notice { display: flex; align-items: flex-start; gap: 10px; }
.demo-data-panel > .notice i { flex: 0 0 auto; margin-top: 2px; }
.demo-data-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.demo-data-summary .metric-card { min-width: 0; padding: 14px; }
.demo-generate-form { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 0; }
.demo-account-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.demo-account-list article { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: center; gap: 3px 8px; padding: 12px; background: var(--surface-alt); border-radius: 12px; }
.demo-account-list article > i { grid-row: span 2; color: var(--primary); }
.demo-account-list article > span { color: var(--muted); font-size: 12px; }
.demo-account-list code { overflow-wrap: anywhere; color: var(--text); font-size: 12px; }
.schedule-quickbar { padding: 18px 20px; }
.metric-strip {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.mini-metric {
    display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 16px; background: linear-gradient(180deg, var(--surface-alt), var(--surface)); border: 1px solid var(--border);
}
.mini-metric strong { display: block; font-size: 30px; line-height: 1; color: var(--primary); }
.mini-metric small { color: var(--muted); }
.icon-wrap {
    display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: rgba(36,63,112,.08); color: var(--primary);
}
.icon-wrap.accent { background: rgba(8,123,98,.12); color: var(--secondary); }
.icon-wrap.soft { background: rgba(233,185,93,.18); color: #b97d00; }
.login-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(22px, 5vw, 64px); align-items: center; min-height: 65vh; }
.login-art {
    position: relative; overflow: hidden; padding: clamp(24px, 5vw, 46px); border-radius: 30px; background: linear-gradient(135deg, rgba(130,117,255,.1), rgba(255,255,255,.6)); border: 1px solid rgba(117,108,255,.15);
}
.login-badge {
    display: inline-flex; padding: 8px 12px; border-radius: 999px; background: rgba(36,63,112,.08); color: var(--primary); font-size: 12px; letter-spacing: .16em; font-weight: 700;
}
.login-art h1 { max-width: 560px; margin: 16px 0; color: var(--primary); font-size: clamp(42px, 7vw, 74px); line-height: .98; }
.login-art p { color: var(--muted); font-size: 23px; }
.feature-list { display: grid; gap: 12px; margin-top: 27px; max-width: 420px; }
.mini-feature {
    display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.65); border: 1px solid rgba(36,63,112,.08);
}
.mini-feature i { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(36,63,112,.08); color: var(--primary); }
.landing-preview { width: min(100%, 480px); margin-top: 20px; padding: 16px; border: 1px solid rgba(36,63,112,.1); border-radius: 20px; background: rgba(255,255,255,.82); box-shadow: 0 16px 36px rgba(34,55,88,.08); }
.preview-heading, .preview-user { display: flex; align-items: center; gap: 10px; }
.preview-heading { justify-content: space-between; }
.preview-user > span:last-child strong, .preview-user > span:last-child small { display: block; }
.preview-user > span:last-child strong { color: var(--text); font-size: 15px; }
.preview-user > span:last-child small, .preview-stats small, .preview-agenda > span { color: var(--muted); font-size: 12px; }
.preview-avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #fff; background: linear-gradient(135deg, var(--secondary), var(--primary)); font-size: 12px; font-weight: 800; }
.preview-pill { padding: 6px 9px; border-radius: 99px; color: var(--secondary); background: rgba(8,123,98,.1); font-size: 11px; font-weight: 700; white-space: nowrap; }
.preview-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 13px; }
.preview-stats > div { min-width: 0; padding: 10px; border-radius: 12px; background: var(--surface-alt); }
.preview-stats small, .preview-stats strong { display: block; }
.preview-stats strong { margin: 3px 0 7px; color: var(--primary); font-size: 19px; }
.preview-progress { display: block; height: 5px; overflow: hidden; border-radius: 99px; background: var(--border); }
.preview-progress i { display: block; width: 94%; height: 100%; border-radius: inherit; background: var(--secondary); }
.preview-progress.assignments i { width: 80%; background: var(--accent); }
.preview-bottom { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 12px; margin-top: 12px; }
.preview-chart { display: flex; align-items: end; gap: 6px; height: 66px; padding: 8px 10px 0; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, transparent, rgba(36,63,112,.04)); }
.preview-chart span { flex: 1; min-height: 8px; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--secondary), var(--primary)); opacity: .8; }
.preview-agenda { display: grid; gap: 5px; padding: 8px; border-radius: 12px; background: rgba(233,185,93,.13); }
.preview-agenda > small { color: var(--secondary); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.preview-agenda strong { color: var(--text); font-size: 12px; }
.preview-agenda i { color: var(--primary); }
.brand-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.brand-head strong, .brand-head small { display: block; }
.brand-head small { color: var(--muted); }
.login-panel { max-width: 470px; width: 100%; padding: 28px; }
.demo-access { margin-top: 24px; color: var(--muted); font-size: 16px; }
.demo-access summary { cursor: pointer; color: var(--primary); font-weight: 700; }
.demo-grid { display: grid; gap: 8px; margin-top: 12px; }
.demo-grid p { margin: 0; }
.login-art { position: relative; overflow: hidden; padding: clamp(20px, 4vw, 50px); }
.login-art h1 { max-width: 560px; margin: 16px 0; color: var(--primary); font-size: clamp(42px, 7vw, 74px); line-height: .98; }
.login-art p { color: var(--muted); font-size: 23px; }
.login-decoration { display: flex; gap: 20px; color: var(--accent); font-size: 58px; }
.login-panel { max-width: 470px; width: 100%; }
.demo-access { margin-top: 24px; color: var(--muted); font-size: 16px; }
.demo-access code { color: var(--primary); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.empty-state { padding: 24px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 14px; }
.field-hint { color: var(--muted); font-size: 15px; font-weight: 400; }
@media (max-width: 900px) {
    .topbar { flex-wrap: wrap; gap: 10px; }
    .main-nav { order: 3; width: 100%; margin: 0; overflow-x: auto; }
    .account { margin-left: auto; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .analysis-page-heading { min-height: 0; padding: 17px; border-radius: 17px; }
    .analysis-heading-mark { width: 44px; height: 44px; flex-basis: 44px; border-radius: 14px; font-size: 18px; }
    .analysis-page-heading h1 { font-size: 25px; }
    .analysis-page-heading p { max-width: 275px; font-size: 13px; line-height: 1.4; }
    .analysis-performance-grid { grid-template-columns: minmax(0, 1fr); }
    .analysis-assessment-item { grid-template-columns: 32px minmax(0, 1fr) auto; gap: 8px; padding: 12px 0; }
    .analysis-assessment-icon { width: 30px; height: 30px; border-radius: 10px; }
    .analysis-assessment-score { font-size: 16px; }
    .analysis-assessment-form .span-2 { grid-column: auto; }
    .analysis-assessment-form > div.span-2 { grid-column: 1 / -1; }
    .analysis-assessment-form .button { width: 100%; justify-content: center; }
    .analysis-score-average { font-size: 17px; }
    .learner-insight-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .demo-data-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .demo-data-summary .metric-card { padding: 11px; }
    .demo-data-intro { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; }
    .demo-data-icon { width: 40px; height: 40px; border-radius: 13px; font-size: 17px; }
    .demo-data-intro h2 { font-size: 19px; }
    .demo-account-list { grid-template-columns: 1fr; }
    .demo-generate-form > .button { width: 100%; justify-content: center; }
    body { font-size: 17px; }
    .topbar { position: static; padding: 11px 15px; }
    .brand { font-size: 17px; }
    .brand small { display: none; }
    .main-nav a { padding: 8px 10px; white-space: nowrap; font-size: 16px; }
    .account-name { display: none; }
    .page-shell { width: min(100% - 22px, 1200px); margin: 18px auto 38px; }
    .content-grid, .login-layout { grid-template-columns: 1fr; }
    .login-layout { min-height: 0; gap: 14px; }
    .login-art { padding: 16px 5px; }
    .login-art h1 { font-size: 44px; }
    .login-decoration { display: none; }
    .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .lesson-card { grid-template-columns: 68px 1fr; }
    .lesson-card .button { grid-column: 1 / -1; }
    .theme-options { grid-template-columns: repeat(2, 1fr); }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .stat-grid { gap: 9px; }
    .stat-card { padding: 14px; }
    .site-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
.reduced-motion *, .reduced-motion *::before, .reduced-motion *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }

.app-shell > .page-shell { flex: 1 1 0; min-width: 0; width: auto; max-width: 1200px; }
.schedule-page { display: grid; min-width: 0; gap: 18px; }
.schedule-page > .panel { min-width: 0; }
.schedule-page .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.schedule-page .form-grid > * { min-width: 0; }
.schedule-page input, .schedule-page select, .schedule-page textarea { min-width: 0; }
.schedule-page .metric-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.schedule-page .week-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); overflow: visible; }
.schedule-page .day-column { min-width: 0; }
.rendezvous-page .lesson-list > .panel { min-width: 0; }
.rendezvous-page .lesson-card { grid-template-columns: minmax(80px, .35fr) minmax(0, 1fr) auto; }
.rendezvous-page .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rendezvous-page .content-grid > * { min-width: 0; overflow-wrap: anywhere; }
.rendezvous-page .button-row { align-items: flex-start; }
.rendezvous-page .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.table-wrap { max-width: 100%; }
@media (max-width: 900px) {
    .sidebar { width: 220px; flex: 0 0 220px; }
    .app-shell > .page-shell { max-width: none; }
    .dashboard-grid { grid-template-columns: minmax(0, 1fr); }
    .schedule-page .week-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .rendezvous-page .lesson-card { grid-template-columns: 72px minmax(0, 1fr); }
    .rendezvous-page .lesson-card > .button { grid-column: 1 / -1; justify-self: start; }
}
@media (max-width: 640px) {
    .app-shell { display: block; }
    .sidebar, .sidebar-brand, .sidebar .main-nav, .sidebar .main-nav a { min-width: 0; max-width: 100%; }
    .sidebar { position: static; width: 100%; min-height: auto; padding: 14px; border-right: none; border-bottom: 1px solid var(--border); }
    .sidebar-brand { padding: 0 2px 12px; }
    .sidebar-brand strong { font-size: 15px; }
    .sidebar-brand small { display: none; }
    .sidebar .main-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; margin-top: 10px; }
    .sidebar .main-nav a { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 7px; text-align: center; font-size: 11px; line-height: 1.2; }
    .sidebar .main-nav a i { width: auto; }
    .sidebar .main-nav a span { display: block; min-width: 0; max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
    .sidebar-user { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px; padding-top: 10px; }
    .sidebar-actions { margin-top: 0; }
    .app-shell > .page-shell, .page-shell { width: 100%; max-width: none; margin: 18px auto 24px; padding: 0 12px; }
    .role-hero { grid-template-columns: minmax(0, 1fr); }
    .hero-illustration { min-height: 100px; }
    .hero-illustration .mini-card { position: relative; inset: auto; margin: 6px; }
    .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
    .metric-card { min-width: 0; gap: 9px; padding: 12px 10px; }
    .metric-card > div:last-child { min-width: 0; }
    .metric-card span, .metric-card small { overflow-wrap: anywhere; }
    .schedule-page { gap: 13px; }
    .schedule-page .form-grid, .rendezvous-page .form-grid, .rendezvous-page .content-grid { grid-template-columns: minmax(0, 1fr); }
    .schedule-page .form-grid .span-2 { grid-column: auto; }
    .schedule-page .metric-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
    .schedule-page .mini-metric { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 6px; padding: 9px 5px; text-align: center; }
    .schedule-page .mini-metric > div { min-width: 0; }
    .schedule-page .mini-metric small { overflow-wrap: normal; word-break: normal; font-size: 10px; }
    .schedule-page .icon-wrap { width: 30px; height: 30px; flex: 0 0 30px; }
    .schedule-page .mini-metric strong { font-size: 23px; }
    .schedule-page .mini-metric small { font-size: 12px; }
    .schedule-page .week-grid { grid-template-columns: minmax(0, 1fr); }
    .rendezvous-page .lesson-card { grid-template-columns: 66px minmax(0, 1fr); }
    .rendezvous-page .lesson-card .button { grid-column: 1 / -1; }
    .site-footer { position: fixed; right: 0; bottom: 0; left: 0; z-index: 10; padding: 10px 14px; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
    body[data-mode="dark"] .site-footer { background: rgba(27,37,53,.94); }
    body.app-authenticated { padding-bottom: calc(78px + env(safe-area-inset-bottom)); }
}

.mobile-nav { display: none; }
.sidebar .main-nav a.active { color: #fff; background: rgba(255,255,255,.16); }
.sidebar .main-nav a.active i { color: var(--accent); }
.sidebar .main-nav .nav-short { display: none; }
.select2-container { width: 100% !important; font: inherit; }
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    min-height: 44px; padding: 5px 8px; color: var(--text); background: var(--surface);
    border: 1px solid var(--border); border-radius: 10px;
}
.select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 32px; color: var(--text); }
.select2-container--default .select2-selection--single .select2-selection__arrow { height: 42px; right: 7px; }
.select2-container--default .select2-selection--multiple .select2-selection__choice { margin-top: 3px; border-color: var(--border); background: var(--surface-alt); }
.select2-dropdown { z-index: 1000; color: var(--text); background: var(--surface); border-color: var(--border); }
.select2-container--default .select2-results__option--highlighted[aria-selected] { background: var(--primary); }
.account-admin-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 18px; margin-bottom: 20px; }
.account-admin-grid h2, .account-list-panel h2 { margin: 0 0 16px; font-size: 22px; font-weight: 600; }
.account-admin-grid .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.account-list { display: grid; }
.account-row { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.account-row > div { min-width: 0; }
.account-row strong, .account-row small { display: block; overflow-wrap: anywhere; }
.account-row strong { font-weight: 500; }
.account-row small { color: var(--muted); font-size: 14px; }
.account-row .user-avatar { color: var(--primary); background: var(--surface-alt); font-weight: 500; }
.account-list-panel { margin-bottom: 20px; }
.account-list-panel .panel-heading { margin-bottom: 4px; }
.account-help { display: grid; gap: 16px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.account-help section { display: grid; gap: 8px; }
.account-help h3 { margin: 0; font-size: 16px; font-weight: 500; }
.button-whatsapp { background: #168a54; color: #fff; }
.button:disabled { cursor: not-allowed; opacity: .5; }

.lesson-date-badge { position: relative; z-index: 1; display: grid; min-width: 76px; min-height: 76px; align-content: center; justify-items: center; gap: 2px; padding: 8px; color: var(--primary); background: color-mix(in srgb, var(--primary), var(--surface) 91%); border: 1px solid color-mix(in srgb, var(--primary), transparent 85%); border-radius: 15px; text-align: center; }
.lesson-date-badge > span { color: var(--secondary); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.lesson-date-badge > strong { color: var(--primary); font-size: 17px; font-weight: 700; line-height: 1.1; white-space: nowrap; }
.lesson-date-badge > small { color: var(--muted); font-size: 10px; font-weight: 500; white-space: nowrap; }
.schedule-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: -7px 0 18px; }
.app-modal { width: min(760px, calc(100vw - 28px)); max-width: none; max-height: min(88dvh, 900px); padding: 22px; overflow: auto; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 24px 80px rgba(13,25,48,.3); }
.app-modal::backdrop { background: rgba(12,21,36,.58); backdrop-filter: blur(3px); }
.app-modal[open] { animation: app-modal-in .17s ease-out; }
@keyframes app-modal-in { from { opacity: 0; transform: translateY(10px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
.app-modal-header { position: sticky; top: -22px; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -22px -22px 18px; padding: 18px 22px; background: var(--surface); border-bottom: 1px solid var(--border); }
.app-modal-header h2 { margin: 3px 0 0; font-size: 22px; font-weight: 700; }
.icon-button { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; color: var(--muted); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 12px; }
.app-modal-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; padding-top: 12px; border-top: 1px solid var(--border); }
.schedule-lesson-form { display: grid; gap: 11px; }
.schedule-form-section { padding: 0 13px 12px; border: 1px solid var(--border); border-radius: 14px; background: color-mix(in srgb, var(--surface-alt), transparent 22%); }
.schedule-form-section summary { display: flex; min-height: 46px; align-items: center; gap: 10px; color: var(--primary); cursor: pointer; font-weight: 600; list-style: none; }
.schedule-form-section summary::-webkit-details-marker { display: none; }
.schedule-form-section summary::after { margin-left: auto; content: "\f078"; color: var(--muted); font: 900 12px "Font Awesome 6 Free"; transition: transform .18s ease; }
.schedule-form-section[open] summary::after { transform: rotate(180deg); }
.schedule-form-section summary > i { display: grid; width: 30px; height: 30px; place-items: center; color: var(--secondary); background: var(--surface); border-radius: 9px; }
.schedule-form-section .form-grid { gap: 12px; }
.schedule-form-section label, .app-modal label { font-size: 13px; font-weight: 500; }
.schedule-form-section input, .schedule-form-section select, .schedule-form-section textarea, .app-modal input, .app-modal select, .app-modal textarea { font-weight: 400; }
.schedule-form-dialog { width: min(820px, calc(100vw - 28px)); }
.metric-card, .stat-card, .analysis-metric, .learner-insight-card, .lesson-card, .day-event, .mini-metric { position: relative; isolation: isolate; overflow: hidden; }
.metric-card::after, .stat-card::after, .analysis-metric::after, .learner-insight-card::after, .lesson-card::after, .day-event::after, .mini-metric::after { position: absolute; z-index: -1; right: 12px; bottom: -16px; color: var(--card-watermark, var(--primary)); content: "\f02d"; font: 900 76px/1 "Font Awesome 6 Free"; opacity: .065; pointer-events: none; }
.metric-card:has(.fa-calendar-day)::after, .mini-metric:has(.fa-calendar-day)::after { content: "\f073"; }
.metric-card:has(.fa-calendar-check)::after { content: "\f274"; }
.metric-card:has(.fa-layer-group)::after { content: "\f5fd"; }
.metric-card:has(.fa-user-graduate)::after, .metric-card:has(.fa-children)::after { content: "\f501"; }
.metric-card:has(.fa-user-check)::after { content: "\f4fc"; }
.analysis-metric:has(.fa-calendar-check)::after { content: "\f274"; }
.analysis-metric:has(.fa-layer-group)::after { content: "\f5fd"; }
.analysis-metric:has(.fa-user-graduate)::after, .analysis-metric:has(.fa-children)::after { content: "\f501"; }
.learner-insight-card::after { content: "\f501"; }
.lesson-card::after { content: "\f073"; }
.day-event::after { right: 4px; bottom: -10px; font-size: 42px; }
.metric-card:nth-child(4n + 1), .analysis-metric:nth-child(4n + 1) { --card-watermark: var(--card-tone-1); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-1), transparent 95%), transparent 72%); }
.metric-card:nth-child(4n + 2), .analysis-metric:nth-child(4n + 2) { --card-watermark: var(--card-tone-2); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-2), transparent 94%), transparent 72%); }
.metric-card:nth-child(4n + 3), .analysis-metric:nth-child(4n + 3) { --card-watermark: var(--card-tone-3); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-3), transparent 92%), transparent 72%); }
.metric-card:nth-child(4n + 4), .analysis-metric:nth-child(4n + 4) { --card-watermark: var(--card-tone-4); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-4), transparent 93%), transparent 72%); }
.learner-insight-card:nth-child(4n + 1) { --card-watermark: var(--card-tone-1); }
.learner-insight-card:nth-child(4n + 2) { --card-watermark: var(--card-tone-2); }
.learner-insight-card:nth-child(4n + 3) { --card-watermark: var(--card-tone-3); }
.learner-insight-card:nth-child(4n + 4) { --card-watermark: var(--card-tone-4); }
.lesson-list .lesson-card:nth-child(4n + 1), .day-column:nth-child(4n + 1) .day-event { --card-watermark: var(--card-tone-1); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-1), transparent 95%), transparent 75%); }
.lesson-list .lesson-card:nth-child(4n + 2), .day-column:nth-child(4n + 2) .day-event { --card-watermark: var(--card-tone-2); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-2), transparent 94%), transparent 75%); }
.lesson-list .lesson-card:nth-child(4n + 3), .day-column:nth-child(4n + 3) .day-event { --card-watermark: var(--card-tone-3); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-3), transparent 92%), transparent 75%); }
.lesson-list .lesson-card:nth-child(4n + 4), .day-column:nth-child(4n + 4) .day-event { --card-watermark: var(--card-tone-4); background-image: linear-gradient(130deg, color-mix(in srgb, var(--card-tone-4), transparent 93%), transparent 75%); }

@media (max-width: 640px) {
    body { font-size: 16px; }
    body.app-authenticated { padding-bottom: calc(78px + env(safe-area-inset-bottom)); }
    .app-shell { display: block; min-height: 100dvh; }
    .sidebar { display: none; }
    .mobile-app-header { position: sticky; top: 0; z-index: 30; display: flex; min-height: 62px; align-items: center; justify-content: space-between; gap: 6px; padding: 8px 12px; background: color-mix(in srgb, var(--surface), transparent 3%); border-bottom: 1px solid var(--border); box-shadow: 0 4px 16px rgba(22,35,57,.045); backdrop-filter: blur(16px); }
    .mobile-brand .brand-mark { width: 36px; height: 36px; flex: 0 0 36px; border-radius: 12px; }
    .mobile-brand { flex: 1 1 auto; gap: 7px; }
    .mobile-brand-copy { flex: 1 1 auto; }
    .mobile-brand-copy strong { max-width: none; }
    .mobile-brand-copy strong { font-size: 11px; }
    .mobile-brand-copy small { display: block; max-width: 45vw; overflow: visible; font-size: 9px; line-height: 1.05; text-overflow: clip; white-space: normal; }
    .mobile-header-actions { gap: 3px; }
    .language-flag-button { width: 30px; }
    .profile-menu-popover { position: fixed; top: 58px; right: 10px; }
    .select2-container, .select2-container .select2-selection__rendered { font-size: 14px; font-weight: 400; }
    .app-shell > .page-shell, .page-shell { width: 100%; max-width: none; margin: 14px auto 16px; padding: 0 14px; font-size: 15px; }
    .form-grid label, .form-stack label { font-size: 13px; font-weight: 500; }
    input, select, textarea { min-height: 40px; padding: 8px 10px; font-size: 15px; }
    .page-heading { gap: 10px; margin-bottom: 16px; }
    .page-heading h1, .hero h1 { font-size: clamp(25px, 8vw, 34px); font-weight: 600; line-height: 1.12; }
    .page-heading p { font-size: 14px; }
    .eyebrow { font-size: 11px; letter-spacing: .1em; }
    .panel { padding: 16px; border-radius: 17px; box-shadow: 0 6px 20px rgba(34,55,88,.045); }
    .panel-heading { margin-bottom: 12px; }
    .panel-heading h2, .account-admin-grid h2, .account-list-panel h2 { font-size: 19px; font-weight: 500; }
    .role-hero { gap: 10px; padding: 16px; border-radius: 20px; }
    .role-hero h1 { margin: 8px 0 6px; font-size: clamp(25px, 8vw, 34px); font-weight: 500; }
    .role-hero p { font-size: 14px; }
    .hero-actions { gap: 8px; margin-top: 14px; }
    .hero-actions .button { flex: 1; min-width: 0; min-height: 42px; padding: 7px; font-size: 12px; line-height: 1.15; text-align: center; }
    .hero-illustration { min-height: 54px; }
    .hero-illustration .mini-card { position: absolute; margin: 0; padding: 6px 8px; border-radius: 10px; font-size: 12px; }
    .hero-illustration .mini-card.small { top: 5px; right: 7px; }
    .hero-illustration .mini-card.large { bottom: 5px; left: 7px; min-width: 120px; }
    .metrics-grid { gap: 8px; }
    .metric-card { gap: 8px; padding: 11px 9px; border-radius: 14px; box-shadow: none; }
    .metric-icon { width: 34px; height: 34px; border-radius: 11px; }
    .metric-card span, .metric-card small { font-size: 12px; }
    .metric-card strong, .stat-card strong { margin-top: 2px; font-size: 21px; font-weight: 700; }
    .dashboard-grid { gap: 12px; }
    .lesson-card, .rendezvous-page .lesson-card { grid-template-columns: 58px minmax(0, 1fr); gap: 9px; padding: 10px; border-radius: 13px; }
    .lesson-time { min-height: 58px; border-radius: 11px; }
    .lesson-time strong { font-size: 20px; font-weight: 500; }
    .lesson-main h3, .lesson-card h3 { font-size: 16px; font-weight: 500; }
    .lesson-main p, .lesson-card p { font-size: 13px; }
    .lesson-meta { grid-column: 2; justify-items: start; font-size: 12px; }
    .lesson-card .button { grid-column: 1 / -1; }
    .stat-grid { gap: 8px; }
    .stat-card { padding: 12px; border-radius: 14px; }
    .stat-card span { font-size: 12px; }
    .activity-panel .panel-heading { gap: 8px; }
    .activity-panel .panel-heading .muted { font-size: 12px; }
    .activity-chart { gap: 6px; height: 100px; }
    .activity-count, .activity-label { font-size: 11px; }
    .schedule-page .week-grid { gap: 8px; }
    .account-admin-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .account-admin-grid .form-grid { grid-template-columns: minmax(0, 1fr); gap: 11px; }
    .account-admin-grid .span-2 { grid-column: auto; }
    .account-row { grid-template-columns: 34px minmax(0, 1fr) auto; gap: 8px; }
    .account-row .badge { max-width: 105px; font-size: 11px; }
    .site-footer { display: none; }
    .profile-panel { grid-template-columns: minmax(0, 1fr); gap: 14px; }
    .analysis-filters { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 12px; }
    .analysis-filters label { min-width: 0; }
    .analysis-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .analysis-metric { gap: 8px; padding: 11px 9px; border-radius: 14px; }
    .analysis-metric-icon { width: 34px; height: 34px; flex-basis: 34px; border-radius: 11px; font-size: 13px; }
    .analysis-metric strong { font-size: 21px; }
    .analysis-metric small, .analysis-metric > div > span { font-size: 11px; }
    .analysis-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-bottom: 12px; }
    .analysis-grid h2 { font-size: 19px; }
    .app-modal { width: calc(100vw - 16px); max-height: 92dvh; padding: 16px; border-radius: 18px; }
    .app-modal-header { top: -16px; margin: -16px -16px 14px; padding: 14px 16px; }
    .app-modal-header h2 { font-size: 19px; }
    .app-modal .form-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .app-modal .form-grid .span-2 { grid-column: auto; }
    .app-modal-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .app-modal-actions .button { min-width: 0; padding: 8px; font-size: 13px; }
    .lesson-date-badge { min-width: 64px; min-height: 72px; border-radius: 12px; }
    .lesson-date-badge > strong { font-size: 15px; }
    .lesson-date-badge > small { font-size: 9px; }
    .analysis-radar-content { grid-template-columns: minmax(0, 1fr); gap: 8px; }
    .analysis-radar { max-width: 340px; }
    .analysis-radar-legend { gap: 9px 12px; }
    .learner-insights { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .learner-insight-card { gap: 10px; padding: 14px; }
    .analysis-month-chart { height: 115px; gap: 6px; }
    .analysis-monthly-performance .panel-heading { flex-wrap: wrap; }
    .monthly-average-card { min-width: 0; justify-items: start; padding: 8px 10px; text-align: left; }
    .monthly-average-card > strong { font-size: 19px; }
    .monthly-performance-change { font-size: 10px; }
    .analysis-performance-chart { height: 145px; gap: 6px; margin-top: 12px; padding: 0; }
    .analysis-performance-month > span, .analysis-performance-month > small { font-size: 9px; }
    .attendance-breakdown { gap: 12px; margin-top: 15px; }
    .attendance-row { grid-template-columns: 62px minmax(0, 1fr) 24px; gap: 8px; font-size: 12px; }
    .analysis-lesson-card { grid-template-columns: 48px minmax(0, 1fr); }
    .mobile-nav {
        position: fixed; right: 0; bottom: 0; left: 0; z-index: 50;
        display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
        padding: 7px 7px calc(7px + env(safe-area-inset-bottom));
        background: color-mix(in srgb, var(--surface), transparent 4%);
        border-top: 1px solid var(--border); box-shadow: 0 -8px 25px rgba(22,35,57,.09);
        backdrop-filter: blur(18px);
    }
    .mobile-nav a {
        position: relative; display: grid; justify-items: center; align-content: center; gap: 4px;
        min-width: 0; min-height: 51px; padding: 5px 2px; border-radius: 13px;
        color: var(--muted); font-size: 10px; line-height: 1.1; text-decoration: none;
        transition: color .18s ease, transform .18s ease;
    }
    .mobile-nav a i { font-size: 18px; transition: transform .18s ease; }
    .mobile-nav a span { overflow: hidden; max-width: 100%; text-overflow: ellipsis; white-space: nowrap; }
    .mobile-nav a.active { color: var(--primary); font-weight: 500; }
    .mobile-nav a.active::before { position: absolute; top: 0; width: 35px; height: 3px; border-radius: 9px; background: var(--user-accent); content: ""; animation: nav-highlight .2s ease-out; }
    .mobile-nav a.active i { transform: translateY(-1px) scale(1.08); }
    .mobile-nav a:active { transform: scale(.94); }
    @keyframes nav-highlight { from { transform: scaleX(.35); opacity: .3; } to { transform: scaleX(1); opacity: 1; } }
    .request-dialog { padding: 18px; }
}

h1, h2, h3, strong { font-weight: 700 !important; }
input:not([type="button"]):not([type="submit"]):not([type="reset"]),
select, textarea,
.select2-container--default .select2-selection--single .select2-selection__rendered,
.select2-container--default .select2-selection--multiple .select2-selection__rendered {
    font-weight: 400 !important;
}

@media (max-width: 640px) {
    .login-layout {
        min-height: calc(100dvh - 46px);
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: 1fr auto;
        align-items: center;
        gap: 20px;
        padding: 8px 0 18px;
    }
    .login-panel {
        order: -1;
        justify-self: center;
        max-width: 440px;
        padding: 21px 19px;
        border-radius: 22px;
    }
    .login-panel h2 { margin: 15px 0 3px; font-size: 26px; }
    .login-panel .brand-head { gap: 10px; margin-bottom: 12px; }
    .login-panel .brand-head .brand-mark { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 15px; }
    .login-panel .brand-head strong { max-width: 250px; font-size: 14px; line-height: 1.15; }
    .login-panel .brand-head small { max-width: 260px; margin-top: 3px; font-size: 11px; line-height: 1.25; }
    .login-panel > .muted { margin: 4px 0 14px; font-size: 13px; }
    .login-panel .form-stack { gap: 12px; }
    .login-panel .form-stack label { gap: 5px; font-size: 13px; }
    .login-panel .form-stack input { min-height: 44px; }
    .login-panel .button { min-height: 46px; }
    .login-panel .auth-help-links { flex-direction: column; align-items: center; gap: 8px; margin-top: 12px; }
    .login-panel .demo-access { margin-top: 16px; font-size: 13px; }
    .login-art {
        order: 1;
        padding: 15px;
        border-radius: 20px;
        text-align: center;
    }
    .login-badge { padding: 6px 10px; font-size: 10px; }
    .login-art h1 { max-width: none; margin: 9px 0 5px; font-size: 23px; line-height: 1.15; overflow-wrap: anywhere; }
    .login-art > p { margin: 5px 0 0; font-size: 14px; }
    .login-art .feature-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin: 13px 0 0; }
    .login-art .mini-feature { flex-direction: column; gap: 5px; padding: 8px 5px; border-radius: 12px; font-size: 10px; line-height: 1.2; }
    .login-art .mini-feature i { width: 29px; height: 29px; border-radius: 9px; }
    .login-art .login-decoration { display: none; }
}

:root {
    --shadow: 0 18px 44px rgba(34, 55, 88, .12), 0 3px 9px rgba(34, 55, 88, .06);
    --card-shadow: 0 9px 24px rgba(34, 55, 88, .11), 0 2px 6px rgba(34, 55, 88, .05);
}
body[data-mode="dark"] {
    --shadow: 0 18px 48px rgba(0, 0, 0, .28);
    --card-shadow: 0 10px 26px rgba(0, 0, 0, .2);
}
.panel, .stat-card, .metric-card, .analysis-metric, .learner-insight-card,
.lesson-card, .day-event, .mini-metric, .next-card {
    box-shadow: var(--card-shadow);
}
.metric-card::after, .stat-card::after, .analysis-metric::after,
.learner-insight-card::after, .lesson-card::after, .day-event::after,
.mini-metric::after {
    top: 8px;
    right: 12px;
    bottom: auto;
}
.day-event::after { top: 6px; right: 4px; }
.rendezvous-countdown {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 12px;
    padding: 6px 10px;
    color: var(--primary);
    background: color-mix(in srgb, var(--primary), var(--surface) 92%);
    border: 1px solid color-mix(in srgb, var(--primary), transparent 84%);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.rendezvous-countdown i { color: var(--secondary); }
@media (max-width: 640px) {
    .panel { box-shadow: 0 9px 22px rgba(34, 55, 88, .1), 0 2px 6px rgba(34, 55, 88, .05); }
    body[data-mode="dark"] .panel { box-shadow: var(--shadow); }
    .button { min-height: 36px; padding: 7px 10px; gap: 6px; font-size: 13px; }
    .app-modal { width: 92vw; max-width: 760px; }
    .schedule-page .lesson-list .lesson-card,
    .analysis-lesson-card {
        grid-template-columns: 58px minmax(0, 1fr);
        align-items: start;
        gap: 9px;
        padding: 10px;
    }
    .schedule-page .lesson-list .lesson-card > .lesson-date-badge,
    .analysis-lesson-card .lesson-date-badge {
        width: 58px;
        min-width: 0;
        min-height: 64px;
        padding: 6px 3px;
        border-radius: 11px;
    }
    .schedule-page .lesson-list .lesson-card > div:nth-child(2),
    .analysis-lesson-card .lesson-main {
        min-width: 0;
        overflow-wrap: anywhere;
    }
    .schedule-page .lesson-list .lesson-card > div:nth-child(2) h3,
    .analysis-lesson-card .lesson-main h3 {
        overflow-wrap: anywhere;
        font-size: 15px;
        line-height: 1.25;
    }
    .schedule-page .lesson-list .lesson-card > div:nth-child(2) p,
    .analysis-lesson-card .lesson-main p {
        overflow-wrap: anywhere;
        font-size: 12px;
        line-height: 1.35;
    }
    .schedule-page .lesson-list .lesson-card .button-row {
        gap: 6px;
        margin-top: 8px;
    }
    .schedule-page .lesson-list .lesson-card .button-row .button,
    .schedule-page .lesson-list .lesson-card > .button {
        min-height: 34px;
        padding: 6px 8px;
        font-size: 11px;
        line-height: 1.2;
        white-space: normal;
    }
}

@media (min-width: 641px) {
    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 20;
        height: 100vh;
        height: 100dvh;
        min-height: 0;
        overflow: hidden;
    }
    .app-shell > .page-shell {
        flex: 0 0 auto;
        width: calc(100% - 280px);
        max-width: none;
        margin: 24px 0 64px 280px;
    }
    .site-footer {
        width: calc(100% - 280px);
        margin-left: 280px;
    }
}
@media (min-width: 641px) and (max-width: 900px) {
    .app-shell > .page-shell { width: calc(100% - 220px); margin-left: 220px; }
    .site-footer { width: calc(100% - 220px); margin-left: 220px; }
}

.site-footer {
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    color: var(--muted);
}
.site-footer > span { font-size: 13px; }
.site-footer > a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}
.site-footer > a:hover { text-decoration: underline; }

html, body, * {
    scrollbar-width: none;
}
*::-webkit-scrollbar { width: 0; height: 0; }
.scrollbar-overlay {
    position: fixed;
    z-index: 120;
    width: 4px;
    min-height: 24px;
    border-radius: 99px;
    background: color-mix(in srgb, var(--muted), transparent 25%);
    opacity: 0;
    pointer-events: none;
    transition: opacity .16s ease;
}
html.scrolling .scrollbar-overlay { opacity: .8; }
body[data-mode="dark"] .scrollbar-overlay { background: rgba(205, 218, 237, .65); }

.next-date-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}
.rendezvous-countdown {
    display: flex;
    flex: 0 0 auto;
    align-items: flex-start;
    gap: 5px;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
}
.countdown-flip-unit { display: grid; justify-items: center; gap: 4px; }
.countdown-flip-card {
    position: relative;
    display: grid;
    width: 40px;
    height: 38px;
    place-items: center;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(180deg, color-mix(in srgb, var(--primary), #fff 9%) 0 49%, var(--primary) 50% 100%);
    border-radius: 8px;
    box-shadow: 0 4px 9px rgba(19, 34, 60, .2), inset 0 1px 0 rgba(255,255,255,.25);
    font-size: 18px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.countdown-flip-card::after {
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    height: 1px;
    background: rgba(17, 30, 52, .35);
    content: "";
}
.countdown-flip-unit > small {
    color: var(--muted);
    font-size: 9px;
    line-height: 1;
}
.countdown-flip-unit.countdown-flip .countdown-flip-card {
    animation: countdown-flip .42s cubic-bezier(.2,.7,.25,1);
    transform-origin: center;
}
.countdown-finished {
    align-self: center;
    padding: 9px 12px;
    color: var(--secondary);
    background: color-mix(in srgb, var(--secondary), var(--surface) 92%);
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
}
@keyframes countdown-flip {
    0% { transform: perspective(130px) rotateX(-80deg); opacity: .4; }
    65% { transform: perspective(130px) rotateX(10deg); opacity: 1; }
    100% { transform: perspective(130px) rotateX(0); }
}

.attendance-modal { width: min(660px, calc(100vw - 28px)); }
.attendance-form { display: grid; gap: 14px; }
.attendance-form > h3 { margin: 0; font-size: 16px; }
.attendance-roster { display: grid; gap: 8px; max-height: 34dvh; overflow-y: auto; padding: 2px; }
.attendance-student-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(145px, .7fr);
    align-items: center;
    gap: 12px;
    padding: 9px 11px;
    background: var(--surface-alt);
    border-radius: 12px;
}
.attendance-student-row > span { display: flex; min-width: 0; align-items: center; gap: 9px; overflow-wrap: anywhere; font-size: 14px; font-weight: 500; }
.attendance-student-row > span i { color: var(--secondary); }
.attendance-student-row select { min-height: 38px; padding: 6px 9px; font-size: 13px; }
.attendance-notes { gap: 10px; }

@media (max-width: 640px) {
    .app-shell > .page-shell { width: 100%; margin: 18px auto 24px; }
    .site-footer {
        position: static;
        display: flex;
        width: auto;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        margin: 0;
        padding: 14px 16px 18px;
        border-top: 0;
        background: transparent;
        text-align: center;
    }
    .site-footer > span, .site-footer > a { font-size: 11px; }
    .next-date-row { gap: 5px; }
    .countdown-flip-card { width: 27px; height: 29px; border-radius: 6px; font-size: 13px; }
    .rendezvous-countdown { gap: 3px; }
    .countdown-flip-unit { gap: 2px; }
    .countdown-flip-unit > small { font-size: 8px; }
    .attendance-modal { width: 92vw; }
    .schedule-attendance-trigger { min-height: 31px; max-width: 100%; padding: 5px 8px; gap: 5px; font-size: 11px; line-height: 1.1; }
    .attendance-student-row { grid-template-columns: minmax(0, 1fr) minmax(115px, .8fr); gap: 7px; padding: 8px; }
    .attendance-student-row > span { gap: 6px; font-size: 12px; }
    .attendance-student-row select { font-size: 12px; }
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 13px;
}
.pagination-size { display: inline-flex; align-items: center; gap: 7px; }
.pagination-size select {
    min-height: 34px;
    padding: 4px 28px 4px 9px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    font-size: 13px;
}
.pagination-button {
    min-height: 34px;
    padding: 5px 10px;
    color: var(--primary);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    font-size: 13px;
    font-weight: 600;
}
.pagination-button:disabled { cursor: default; opacity: .45; }
.pagination-status { min-width: 84px; text-align: center; font-variant-numeric: tabular-nums; }
.demo-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 14px;
}
.demo-account-button {
    display: grid;
    min-width: 0;
    grid-template-columns: 38px minmax(0, 1fr) 16px;
    align-items: center;
    gap: 10px;
    padding: 10px;
    color: var(--text);
    background: linear-gradient(145deg, var(--surface), var(--surface-alt));
    border: 1px solid var(--border);
    border-radius: 14px;
    text-align: left;
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.demo-account-button:hover, .demo-account-button:focus-visible {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--primary), transparent 55%);
    box-shadow: 0 9px 22px color-mix(in srgb, var(--primary), transparent 88%);
    outline: none;
}
.demo-account-icon {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: var(--primary);
    background: color-mix(in srgb, var(--primary), var(--surface) 88%);
    border-radius: 12px;
    font-size: 15px;
}
.demo-account-copy { display: grid; min-width: 0; gap: 3px; }
.demo-account-copy strong { overflow: hidden; color: var(--text); font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.demo-account-copy small { overflow: hidden; color: var(--muted); font-size: 11px; font-weight: 400; text-overflow: ellipsis; white-space: nowrap; }
.demo-account-arrow { color: var(--muted); font-size: 11px; }
.demo-grid > p { grid-column: 1 / -1; margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.demo-access { padding: 12px; background: color-mix(in srgb, var(--primary), var(--surface) 95%); border: 1px solid color-mix(in srgb, var(--primary), transparent 88%); border-radius: 16px; }
.demo-access summary { display: flex; align-items: center; gap: 8px; list-style: none; }
.demo-access summary::-webkit-details-marker { display: none; }
.demo-access summary::before { content: "\f0d7"; font-family: "Font Awesome 6 Free"; font-weight: 900; }
.demo-access[open] summary::before { content: "\f0d8"; }
.demo-account-list article { min-width: 0; grid-template-columns: 36px minmax(0, 1fr); padding: 14px; border: 1px solid var(--border); box-shadow: 0 5px 14px rgba(30, 50, 80, .05); }
.demo-account-list article > i { display: grid; width: 34px; height: 34px; place-items: center; background: color-mix(in srgb, var(--primary), var(--surface) 90%); border-radius: 11px; }
.demo-account-list article > span { font-size: 13px; font-weight: 700; }
.demo-account-list code { font-size: 11px; }

@media (max-width: 640px) {
    .pagination-controls { justify-content: center; gap: 6px; margin-top: 10px; font-size: 12px; }
    .pagination-size { width: 100%; justify-content: center; }
    .pagination-status { min-width: auto; margin: 0 4px; }
    .demo-grid { grid-template-columns: 1fr; gap: 7px; }
    .demo-account-button { grid-template-columns: 34px minmax(0, 1fr) 14px; gap: 8px; padding: 9px; }
    .demo-account-icon { width: 34px; height: 34px; }
}