:root, [data-theme="light"] {
    color-scheme: light;
    --bg: #e8edf6;
    --bg-glow: radial-gradient(1200px 500px at 10% -10%, rgba(31, 94, 214, 0.12), transparent 55%),
               radial-gradient(900px 420px at 100% 0%, rgba(99, 102, 241, 0.1), transparent 50%);
    --card: #ffffff;
    --card-2: #f5f7fb;
    --line: #dbe2ee;
    --text: #0f172a;
    --muted: #64748b;
    --nav: #012148;
    --nav-2: #0a274d;
    --nav-active: #1a3a72;
    --accent: #1f5ed6;
    --accent-soft: #e8effc;
    --brand-gold: #c9b17c;
    --danger: #c91e3a;
    --warn: #d97706;
    --ok: #15803d;
    --ok-blue: #1d4ed8;
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.12);
    --input-bg: #fff;
    --hover: #f1f5f9;
    --chip: #eef2ff;
    --chip-text: #233876;
    --chip-line: #dbe4ff;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0a1020;
    --bg-glow: radial-gradient(1000px 480px at 8% -8%, rgba(91, 140, 255, 0.16), transparent 55%),
               radial-gradient(800px 380px at 100% 0%, rgba(124, 58, 237, 0.12), transparent 50%);
    --card: #141c32;
    --card-2: #1a243d;
    --line: #2a3654;
    --text: #e8eefc;
    --muted: #93a0bc;
    --nav: #011530;
    --nav-2: #012148;
    --nav-active: #1a3a72;
    --brand-gold: #c9b17c;
    --accent: #6b93ff;
    --accent-soft: #1c2a52;
    --danger: #fb7185;
    --warn: #fbbf24;
    --ok: #4ade80;
    --ok-blue: #60a5fa;
    --shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.28);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
    --input-bg: #10182c;
    --hover: #1c2744;
    --chip: #1c2a52;
    --chip-text: #c7d4ff;
    --chip-line: #2d3f73;
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    background-image: var(--bg-glow);
    background-attachment: fixed;
}
a { color: var(--accent); text-decoration: none; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
    width: 208px;
    background: linear-gradient(180deg, var(--nav-2) 0%, var(--nav) 100%);
    color: #fff;
    padding: 14px 10px;
    box-shadow: 8px 0 28px rgba(7, 12, 26, 0.18);
    position: relative;
    z-index: 2;
}
.brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(201, 177, 124, 0.28);
    color: #fff;
    text-decoration: none;
}
.brand:hover { color: #fff; }
.brand-product {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    padding: 0 2px;
}
.brand-product small {
    display: block;
    font-size: 11px;
    font-weight: 600;
    opacity: 0.72;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.brand-wordmark {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    object-position: left center;
}
.brand-wordmark-sidebar {
    width: 100%;
    max-height: 52px;
    border-radius: 4px;
}
.brand-wordmark-hero { width: min(100%, 340px); max-height: 92px; }
.brand-wordmark-card { width: min(100%, 236px); max-height: 64px; }
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    background: #fff;
}
.brand-on-dark { display: none !important; }
[data-theme="dark"] .brand-on-light { display: none !important; }
[data-theme="dark"] .brand-on-dark { display: block !important; }
[data-theme="dark"] .brand-mark.brand-on-dark { background: #012148; }
.topbar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.topbar-title h2 { margin: 0; }
.login-card-brand { margin-bottom: 12px; }
.menu { display: flex; flex-direction: column; gap: 4px; }
.menu a {
    color: #dde4ff;
    padding: 7px 10px;
    border-radius: 9px;
    font-size: 13px;
    transition: background 0.15s, color 0.15s, transform 0.15s;
}
.menu a.active, .menu a:hover { background: var(--nav-active); color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06); }

.main-content { flex: 1; padding: 12px 16px 20px; min-width: 0; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 12px;
}
.topbar h2 { font-size: 18px; letter-spacing: -0.02em; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.lang-switcher {
    display: inline-flex;
    background: var(--chip);
    border: 1px solid var(--chip-line);
    border-radius: 999px;
    padding: 2px;
    gap: 2px;
    box-shadow: var(--shadow-sm);
}
.lang-switcher button {
    background: transparent;
    color: var(--chip-text);
    border: none;
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}
.lang-switcher button.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 10px rgba(31, 94, 214, 0.28);
}
.theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    padding: 0;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.theme-toggle .theme-icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-moon { display: block; }
.login-lang { margin-bottom: 16px; }
.table-avatar, .profile-avatar-img {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    object-fit: cover;
    display: block;
    box-shadow: var(--shadow-sm);
}
.table-avatar-fallback {
    background: linear-gradient(135deg, #1f5ed6, #0c1539);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.profile-avatar-img {
    width: 72px;
    height: 72px;
    border-radius: 16px;
}
h2, h3, h4 { margin: 0 0 6px; }
h3 { font-size: 18px; letter-spacing: -0.02em; }
h4 { font-size: 14px; }
.muted { color: var(--muted); font-size: 12px; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 10px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px 12px;
    box-shadow: var(--shadow-sm);
}
.stat-value { font-size: 24px; font-weight: 700; color: var(--danger); }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 7px 8px; font-size: 13px; }
th { color: var(--muted); font-weight: 600; background: var(--card-2); }

input, select, textarea, button {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 7px 9px;
    font-size: 13px;
    background: var(--input-bg);
    color: var(--text);
}
textarea { width: 100%; min-height: 80px; }
button, .button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 7px 11px;
    border-radius: 8px;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(31, 94, 214, 0.22);
    cursor: pointer;
}
.button-secondary {
    background: var(--card-2);
    color: var(--text);
    box-shadow: none;
    border: 1px solid var(--line);
}

.filter-form { display: flex; flex-direction: column; gap: 12px; }
.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 10px 12px;
}
.filter-item { display: flex; flex-direction: column; gap: 6px; }
.filter-item label { font-size: 12px; color: var(--muted); font-weight: 600; }
.filter-item input,
.filter-item select { width: 100%; background: var(--input-bg); }
.filter-actions { display: flex; gap: 8px; align-items: center; }

.badge { font-size: 12px; border-radius: 999px; padding: 4px 9px; color: #fff; font-weight: 600; }
.badge-blue { background: var(--ok-blue); }
.badge-red { background: var(--danger); }
.badge-orange { background: var(--warn); }
.badge-gray { background: #6b7280; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 16px; }
.tab {
    background: var(--chip);
    color: var(--chip-text);
    border: 1px solid var(--chip-line);
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 13px;
}
.tab-button { cursor: pointer; }
.tab-button.active {
    background: #1f5ed6;
    color: #fff;
    border-color: #1f5ed6;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.alert {
    background: var(--accent-soft);
    border: 1px solid var(--chip-line);
    color: var(--accent);
    padding: 8px 10px;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
}

/* ── Login page ── */
.login-page {
    background: var(--bg);
    min-height: 100vh;
}

.login-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.login-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    background: linear-gradient(145deg, #012148 0%, #0a2a5c 48%, #1a4a9c 100%);
    color: #fff;
    overflow: hidden;
}

.login-hero-content {
    position: relative;
    z-index: 1;
    max-width: 420px;
}

.login-hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    top: -120px;
    right: -100px;
    pointer-events: none;
}

.login-logo {
    margin-bottom: 28px;
}

.login-hero h1 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.login-tagline {
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    margin: 0 0 32px;
}

.login-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}

.login-features li::before {
    content: "";
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-gold);
}

.login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    background: var(--bg);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px 26px;
    box-shadow: var(--shadow-lg);
}

.login-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.login-toolbar .login-lang { margin-bottom: 0; }

.login-card-header {
    margin-bottom: 28px;
}

.login-card-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.02em;
}

.login-card-header p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.login-error {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.45;
    margin-bottom: 20px;
}

.login-error svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.login-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.login-input-wrap {
    position: relative;
}

.login-input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    pointer-events: none;
}

.login-input-wrap input {
    width: 100%;
    padding: 11px 12px 11px 40px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 14px;
    background: #f9fafb;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.login-input-wrap input:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(31, 94, 214, 0.12);
}

.login-input-wrap input::placeholder {
    color: #9ca3af;
}

.login-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    margin-top: 4px;
    background: linear-gradient(135deg, #1f5ed6 0%, #1a4bb8 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(31, 94, 214, 0.35);
}

.login-submit:active {
    transform: translateY(0);
    box-shadow: none;
}

.login-footer {
    margin: 24px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--muted);
}

@media (max-width: 900px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-hero {
        padding: 36px 28px;
        min-height: auto;
    }

    .login-hero h1 {
        font-size: 26px;
    }

    .login-features {
        display: none;
    }

    .login-panel {
        padding: 24px 20px 40px;
    }

    .login-card {
        box-shadow: none;
        border: none;
        padding: 8px 4px;
    }
}

/* ── Settings page ── */
.settings-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 4px;
    width: fit-content;
}

.settings-tab {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    transition: background 0.15s, color 0.15s;
}

.settings-tab:hover { color: var(--text); background: var(--hover); }
.settings-tab.active {
    background: var(--accent);
    color: #fff;
}

.settings-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 14px;
    align-items: start;
}

.settings-sidebar { padding: 12px; }
.settings-sidebar-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 10px;
    padding: 0 8px;
}

.settings-group { margin-bottom: 14px; }
.settings-group-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    padding: 4px 8px;
    margin-bottom: 2px;
}

.settings-nav-item {
    display: block;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text);
}

.settings-nav-item:hover { background: var(--hover); }
.settings-nav-item.active {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.settings-main { display: flex; flex-direction: column; gap: 14px; }

.settings-add-card h4 { margin-bottom: 12px; }
.settings-add-form { display: flex; flex-direction: column; gap: 12px; }
.settings-add-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}

.settings-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 200px;
}

.settings-field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
}

.settings-field input { width: 100%; }

.settings-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    padding-bottom: 8px;
}

.settings-checkbox input { width: auto; margin: 0; }

.settings-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.settings-table-header h4 { margin: 0; }

.settings-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    white-space: nowrap;
}

.inline-form { display: inline; margin: 0; }

.link-button {
    background: none;
    border: none;
    color: var(--accent);
    padding: 0;
    font-size: 14px;
    cursor: pointer;
    text-decoration: underline;
}

.link-button:hover { color: #1a4bb8; }

.row-inactive td { opacity: 0.55; }

.settings-user-form .form-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.settings-user-form .form-section:last-of-type { border-bottom: none; }

.settings-user-form h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-field-wide { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; }
.form-field input, .form-field select { width: 100%; }
.form-field input[type="checkbox"] { width: auto; }

.field-hint {
    font-size: 12px;
    color: var(--muted);
}

.field-error {
    font-size: 12px;
    color: var(--danger);
}

.form-field-check {
    justify-content: center;
}

.ai-help { margin: 0 0 16px; max-width: 720px; line-height: 1.5; }
.ai-model-name { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-enabled {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    max-width: 100%;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.ai-enabled input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
    flex: 0 0 auto;
    accent-color: var(--accent);
}
.student-form .form-field input[type="checkbox"] {
    width: auto;
    padding: 0;
    box-shadow: none;
}

.form-checks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.checkbox-list label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-list input { width: auto; }

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

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

/* ── Student profile ── */
.back-link {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 14px;
    transition: color 0.15s;
}

.back-link:hover { color: var(--accent); }

.profile-hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 12px 14px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--card) 0%, var(--accent-soft) 100%);
    border-color: var(--chip-line);
}

.profile-hero-main {
    display: flex;
    align-items: center;
    gap: 18px;
}

.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #1f5ed6, #0c1539);
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.02em;
}

.profile-hero-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.02em;
}

.profile-meta {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 10px;
}

.profile-meta-dot { margin: 0 4px; }

.profile-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.profile-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 4px;
    box-shadow: var(--shadow-sm);
}

.profile-tab {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.profile-tab:hover { color: var(--text); background: var(--hover); }
.profile-tab.active {
    background: var(--accent);
    color: #fff;
}

.section-card { padding: 12px 14px; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.section-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
}

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

.section-edit {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.section-edit:hover { text-decoration: underline; }

.button-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px 20px;
}

.info-grid-2 { grid-template-columns: repeat(2, 1fr); }

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-item-wide { grid-column: 1 / -1; }

.info-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.info-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.45;
}

.info-value-lg {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.member-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
}

.member-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.member-name {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
}

.member-meta {
    font-size: 13px;
    color: var(--muted);
}

.member-detail {
    font-size: 13px;
    color: var(--text);
    margin-top: 4px;
}

.member-tags {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
}

.tag {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--card-2);
    color: var(--text);
    border: 1px solid var(--line);
}

.tag-blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.member-delete {
    font-size: 12px;
    color: var(--danger);
}

.benefits-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.benefit-chip {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--card-2);
    color: var(--muted);
    border: 1px solid var(--line);
}

.benefit-chip.active {
    background: #ecfdf5;
    color: #047857;
    border-color: #a7f3d0;
}

.ai-stats {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    padding: 10px 12px;
    background: var(--card-2);
    border-radius: 10px;
}

.ai-stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ai-stat-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.ai-blocks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.ai-block {
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--card-2);
    border: 1px solid var(--line);
}

.ai-block-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 8px;
}

.ai-block p {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
}

.ai-block-green { background: #f0fdf4; border-color: #bbf7d0; }
.ai-block-green .ai-block-title { color: #15803d; }
.ai-block-red { background: #fef2f2; border-color: #fecaca; }
.ai-block-red .ai-block-title { color: #b91c1c; }
.ai-block-blue { background: #eff6ff; border-color: #bfdbfe; }
.ai-block-blue .ai-block-title { color: #1d4ed8; }

.ai-disclaimer {
    margin: 16px 0 0;
    font-size: 12px;
    color: var(--muted);
    font-style: italic;
}

.empty-state {
    text-align: center;
    padding: 32px 16px;
    color: var(--muted);
    font-size: 14px;
}

.empty-state .button { margin-top: 12px; }

/* ── Student forms ── */
.form-page-header {
    margin-bottom: 16px;
}

.form-page-header h3 { margin-bottom: 4px; }

.student-form-card {
    padding: 16px 18px;
    max-width: 860px;
}
.collapsible-form .collapse-head {
    padding: 0 0 8px;
    border: none;
}
.collapsible-form .form-section-title { margin: 0; }

.student-form .form-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.student-form .form-section:last-of-type { border-bottom: none; margin-bottom: 8px; }

.form-section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin: 0 0 16px;
}

.student-form .form-field input,
.student-form .form-field select,
.student-form .form-field textarea {
    padding: 8px 10px;
    background: var(--input-bg);
    border-color: var(--line);
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.student-form .form-field input:focus,
.student-form .form-field select:focus,
.student-form .form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--card);
    box-shadow: 0 0 0 3px rgba(31, 94, 214, 0.1);
}

.student-form .form-field-wide { grid-column: 1 / -1; }

@media (max-width: 1100px) {
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-blocks { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .topbar-title h2 { font-size: 15px; }
    .profile-hero { flex-direction: column; align-items: flex-start; }
    .info-grid, .info-grid-2 { grid-template-columns: 1fr; }
    .member-card { flex-direction: column; }
    .member-tags { flex-direction: row; align-items: center; }
    .profile-tabs { overflow-x: auto; flex-wrap: nowrap; }
}

/* ── Reports ── */
.report-table-wrap {
    overflow-x: auto;
}

.completion-table th,
.completion-table td {
    font-size: 13px;
    white-space: nowrap;
}

.completion-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.completion-good { background: #dcfce7; color: #15803d; }
.completion-mid { background: #fef3c7; color: #b45309; }
.completion-low { background: #fee2e2; color: #b91c1c; }

.completion-pct {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
}

@media (max-width: 1280px) {
    .filter-grid { grid-template-columns: repeat(3, minmax(180px, 1fr)); }
}
@media (max-width: 980px) {
    .filter-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
    .stats-grid { grid-template-columns: 1fr; }
}

/* ── Dashboard ── */
.dash-welcome {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 10px;
}
.dash-kpis {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 10px;
}
.dash-kpi {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px 11px;
    color: inherit;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: transform 0.15s, box-shadow 0.15s;
}
.dash-kpi::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--accent);
}
.dash-kpi:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.dash-kpi strong { display: block; font-size: 22px; margin-top: 4px; letter-spacing: -0.03em; }
.dash-kpi-red::before { background: var(--danger); }
.dash-kpi-orange::before { background: var(--warn); }
.dash-kpi-red strong { color: var(--danger); }
.dash-kpi-orange strong { color: var(--warn); }
.quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.quick-card {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--card-2);
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s, box-shadow 0.15s;
}
.quick-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.quick-card strong { font-size: 13px; }
.quick-card span { font-size: 11px; color: var(--muted); }
.quick-card.tone-primary { background: var(--accent-soft); border-color: var(--chip-line); }
.quick-card.tone-red { background: rgba(201, 30, 58, 0.08); border-color: rgba(201, 30, 58, 0.22); }
.quick-card.tone-orange { background: rgba(217, 119, 6, 0.1); border-color: rgba(217, 119, 6, 0.24); }
.quick-card.tone-violet { background: rgba(124, 58, 237, 0.08); border-color: rgba(124, 58, 237, 0.22); }
.quick-card.tone-blue { background: rgba(29, 78, 216, 0.08); border-color: rgba(29, 78, 216, 0.22); }
.dash-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) 360px;
    gap: 10px;
    align-items: start;
}
.dash-main { display: flex; flex-direction: column; gap: 10px; }
.dash-two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chart-row {
    display: grid;
    grid-template-columns: minmax(90px, 1.4fr) 1fr 42px;
    gap: 8px;
    align-items: center;
    margin: 6px 0;
    font-size: 12px;
}
.chart-track { height: 7px; background: var(--card-2); border-radius: 999px; overflow: hidden; box-shadow: inset 0 1px 2px rgba(0,0,0,0.06); }
.chart-fill { height: 100%; background: var(--accent); border-radius: 999px; box-shadow: 0 0 8px rgba(31, 94, 214, 0.35); }
.chart-fill.risk-high, .fill-low { background: var(--danger); box-shadow: 0 0 8px rgba(201, 30, 58, 0.35); }
.chart-fill.risk-medium, .fill-mid { background: var(--warn); box-shadow: 0 0 8px rgba(217, 119, 6, 0.3); }
.chart-fill.risk-low, .fill-good { background: var(--ok); box-shadow: 0 0 8px rgba(21, 128, 61, 0.3); }
.attention-list { display: flex; flex-direction: column; gap: 6px; }
.attention-item {
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: 8px;
    align-items: center;
    padding: 6px;
    border-radius: 10px;
    color: inherit;
    transition: background 0.15s;
}
.attention-item:hover { background: var(--hover); }
.attention-item img {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}
.assistant-card { position: sticky; top: 12px; }
.assistant-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.assistant-hints { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.assistant-hint {
    background: var(--chip);
    color: var(--chip-text);
    border: 1px solid var(--chip-line);
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 11px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}
.assistant-thread {
    height: 260px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 6px 0;
}
.assistant-msg {
    padding: 8px 10px;
    border-radius: 12px;
    font-size: 12px;
    line-height: 1.45;
    white-space: pre-wrap;
    box-shadow: var(--shadow-sm);
}
.assistant-msg.bot { background: var(--card-2); }
.assistant-msg.user { background: var(--accent-soft); align-self: flex-end; }
.assistant-sources { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.assistant-sources a { font-size: 12px; font-weight: 600; }
.assistant-form { display: flex; gap: 8px; }
.assistant-form input { flex: 1; }
@media (max-width: 1100px) {
    .dash-kpis, .quick-grid, .dash-layout, .dash-two { grid-template-columns: 1fr; }
    .assistant-card { position: static; }
}

/* ── Collapsible cards ── */
details.collapsible {
    padding: 0;
}
details.collapsible > .collapse-body {
    padding: 0 12px 12px;
    overflow-x: auto;
}
.collapse-head {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    user-select: none;
}
.collapse-head::-webkit-details-marker { display: none; }
.collapse-head h4 { margin: 0; flex: 1; }
.collapse-head > div { flex: 1; min-width: 0; }
.collapse-head .section-actions,
.collapse-head > a { margin-left: auto; }
.collapse-chevron {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: var(--card-2);
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.18s ease;
}
.collapse-chevron::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: rotate(45deg) translate(-1px, -1px);
}
details.collapsible[open] > .collapse-head .collapse-chevron {
    transform: rotate(180deg);
}
details.collapsible[open] > .collapse-head {
    border-bottom: 1px solid var(--line);
    margin-bottom: 2px;
}

/* ── Dark-mode surfaces ── */
[data-theme="dark"] .login-input-wrap input,
[data-theme="dark"] .login-input-wrap input:focus {
    background: var(--input-bg);
    color: var(--text);
    border-color: var(--line);
}
[data-theme="dark"] .login-error {
    background: rgba(251, 113, 133, 0.12);
    border-color: rgba(251, 113, 133, 0.35);
    color: #fecdd3;
}
[data-theme="dark"] .ai-block-green { background: rgba(74, 222, 128, 0.1); border-color: rgba(74, 222, 128, 0.28); }
[data-theme="dark"] .ai-block-green .ai-block-title { color: #86efac; }
[data-theme="dark"] .ai-block-red { background: rgba(251, 113, 133, 0.1); border-color: rgba(251, 113, 133, 0.28); }
[data-theme="dark"] .ai-block-red .ai-block-title { color: #fda4af; }
[data-theme="dark"] .ai-block-blue { background: rgba(96, 165, 250, 0.1); border-color: rgba(96, 165, 250, 0.28); }
[data-theme="dark"] .ai-block-blue .ai-block-title { color: #93c5fd; }
[data-theme="dark"] .benefit-chip.active {
    background: rgba(74, 222, 128, 0.12);
    color: #86efac;
    border-color: rgba(74, 222, 128, 0.3);
}
[data-theme="dark"] .completion-good { background: rgba(74, 222, 128, 0.16); color: #86efac; }
[data-theme="dark"] .completion-mid { background: rgba(251, 191, 36, 0.16); color: #fde68a; }
[data-theme="dark"] .completion-low { background: rgba(251, 113, 133, 0.16); color: #fecdd3; }
[data-theme="dark"] .tag-blue { background: rgba(96, 165, 250, 0.16); color: #93c5fd; }
[data-theme="dark"] .login-card { box-shadow: var(--shadow-lg); }

/* ── Admin panel ── */
.admin-kpis { margin-top: 4px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.admin-kpis .dash-kpi strong { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-tabs { margin-bottom: 12px; }
.session-key {
    font-size: 12px;
    background: var(--card-2);
    padding: 2px 6px;
    border-radius: 6px;
    border: 1px solid var(--line);
}
.checkbox-list-wide { max-height: 360px; }
.checkbox-list-wide li { list-style: none; }
.admin-kpis .dash-kpi { min-width: 0; }

.login-form input { width: 100%; }
.login-form .login-input-wrap input { padding: 11px 12px; }