/* =============================================================================
   NOOR BRIDGE ACADEMY — LMS PORTAL STYLESHEET
   Same brand tokens as site.css; adds the dashboard layout (sidebar + topbar).
   Every portal role (student / teacher / parent / admin) uses this one file.
============================================================================= */

/* ---- Brand tokens (kept in sync with site.css) ---- */
:root {
    --p:        #1E4A78;   /* primary navy */
    --p-dk:     #163a60;
    --p-lt:     #e8eef8;
    --p-llt:    #f4f7fc;
    --accent:   #AB8218;
    --acc-dk:   #8a6813;
    --dark:     #0d2444;
    --text:     #1e3250;
    --muted:    #4a6080;
    --bg:       #f4f6fb;
    --bg-alt:   #edf0f8;
    --card:     #ffffff;
    --border:   #d0dced;
    --danger:   #c0392b;
    --warning:  #AB8218;
    --success:  #1a7a5e;
    --info:     #2980b9;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(13,36,68,0.06);
    --shadow-md: 0 8px 24px rgba(13,36,68,0.10);
    --shadow-lg: 0 16px 48px rgba(13,36,68,0.14);

    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    --font-body:    'Inter',   'Segoe UI', sans-serif;

    --sidebar-w: 260px;
    --topbar-h:  62px;
    --surface:   #ffffff;
}

/* ---- Base reset ---- */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: var(--dark);
    line-height: 1.25;
    margin: 0 0 14px;
}

a { color: var(--p); text-decoration: none; }
a:hover { color: var(--p-dk); }

img { max-width: 100%; display: block; }

/* ================================================================
   PORTAL SHELL  (sidebar + topbar + content)
   ================================================================ */
.lms-wrap {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.lms-sidebar {
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, var(--dark) 0%, #091830 100%);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    z-index: 200;
    overflow: hidden;
    transition: transform 0.28s ease;
}

/* Teal accent strip on the right edge */
.lms-sidebar::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 3px; height: 100%;
    background: linear-gradient(180deg, var(--p) 0%, var(--accent) 100%);
    opacity: 0.5;
}

.lms-sidebar__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 22px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.lms-sidebar__logo-mark {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--p), var(--p-dk));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: #fff;
}
.lms-sidebar__logo-text strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 15px; font-weight: 700;
    color: #fff;
    line-height: 1.2;
}
.lms-sidebar__logo-text span {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Navigation — scrollable, user card always visible */
.lms-sidebar__nav {
    flex: 1;
    min-height: 0;
    padding: 16px 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.12) transparent;
}
.lms-sidebar__nav::-webkit-scrollbar { width: 4px; }
.lms-sidebar__nav::-webkit-scrollbar-track { background: transparent; }
.lms-sidebar__nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.lms-nav-section {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.28);
    padding: 14px 10px 6px;
}

.lms-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.70);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    text-decoration: none;
}
.lms-nav-item svg { flex-shrink: 0; opacity: 0.75; transition: opacity 0.18s; }
.lms-nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.lms-nav-item:hover svg { opacity: 1; }
.lms-nav-item.is-active {
    background: var(--p);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(15,110,94,0.35);
}
.lms-nav-item.is-active svg { opacity: 1; }

/* Sidebar bottom user card */
.lms-sidebar__user {
    padding: 14px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}
.lms-sidebar__user:hover { background: rgba(255,255,255,0.06); }
.lms-sidebar__avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--p), var(--acc-dk));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    flex-shrink: 0;
}
.lms-sidebar__avatar img {
    width: 100%; height: 100%;
    border-radius: 50%;
    object-fit: cover;
}
.lms-sidebar__user-info { flex: 1; min-width: 0; }
.lms-sidebar__user-info strong {
    display: block;
    font-size: 13px; font-weight: 600;
    color: #fff;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lms-sidebar__user-info span {
    font-size: 11px; color: rgba(255,255,255,0.45);
    text-transform: capitalize;
}

/* ---- Main area ---- */
.lms-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---- Top bar ---- */
.lms-topbar {
    height: var(--topbar-h);
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky; top: 0; z-index: 100;
    box-shadow: var(--shadow-sm);
}
.lms-topbar__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--dark);
    padding: 4px;
    border-radius: 6px;
}
.lms-topbar__breadcrumb {
    flex: 1;
    font-size: 14px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.lms-topbar__breadcrumb a { color: var(--muted); }
.lms-topbar__breadcrumb a:hover { color: var(--p); }
.lms-topbar__breadcrumb .sep { color: var(--border); }
.lms-topbar__title { font-size: 16px; font-weight: 600; color: var(--dark); }
.lms-topbar__actions { display: flex; align-items: center; gap: 8px; }
.lms-topbar__icon-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none; background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--muted);
    transition: background 0.2s, color 0.2s;
}
.lms-topbar__icon-btn:hover { background: var(--p-lt); color: var(--p); }

/* ---- Content area ---- */
.lms-content {
    flex: 1;
    padding: 30px 28px;
    max-width: 1340px;
    width: 100%;
}

.lms-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 28px;
}
.lms-page-header h1 { font-size: 24px; margin: 0; }
.lms-page-header p  { color: var(--muted); font-size: 14px; margin: 4px 0 0; }

/* ================================================================
   COMPONENTS
   ================================================================ */

/* ---- Buttons (match site.css style) ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}
.btn-primary   { background: var(--p);      color: #fff; }
.btn-primary:hover { background: var(--p-dk); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent    { background: var(--accent);  color: #2a2105; }
.btn-accent:hover  { background: var(--acc-dk); transform: translateY(-1px); }
.btn-outline   { background: transparent; border-color: var(--p); color: var(--p); }
.btn-outline:hover  { background: var(--p-lt); }
.btn-ghost     { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg-alt); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover  { background: #a93226; }
.btn-sm  { padding: 7px 14px; font-size: 13px; }
.btn-lg  { padding: 13px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Stat cards ---- */
.lms-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 32px; }
.lms-stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}
.lms-stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.lms-stat__icon {
    width: 50px; height: 50px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.lms-stat__icon--primary  { background: var(--p-lt);        color: var(--p);     }
.lms-stat__icon--accent   { background: #fdf4dc;            color: var(--acc-dk); }
.lms-stat__icon--success  { background: #d4edda;            color: #155724;       }
.lms-stat__icon--info     { background: #d1ecf1;            color: #0c5460;       }
.lms-stat__icon--danger   { background: #f8d7da;            color: #721c24;       }
.lms-stat__body {}
.lms-stat__num  { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--dark); line-height: 1; }
.lms-stat__label{ font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---- Generic Card ---- */
.lms-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.lms-card__header {
    padding: 18px 22px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.lms-card__title { font-size: 16px; font-weight: 600; margin: 0; color: var(--dark); }
.lms-card__body  { padding: 22px; }
.lms-card__footer{ padding: 14px 22px; background: var(--bg); border-top: 1px solid var(--border); }

/* ---- Table ---- */
.lms-table-wrap { overflow-x: auto; }
table.lms-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.lms-table thead tr { background: var(--bg); }
.lms-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    white-space: nowrap;
    border-bottom: 2px solid var(--border);
}
.lms-table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.lms-table tbody tr:last-child td { border-bottom: none; }
.lms-table tbody tr:hover { background: var(--p-llt); }

/* ---- Badges ---- */
.lms-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.lms-badge--success { background: #d4edda; color: #155724; }
.lms-badge--warning { background: #fff3cd; color: #856404; }
.lms-badge--danger  { background: #f8d7da; color: #721c24; }
.lms-badge--info    { background: #d1ecf1; color: #0c5460; }
.lms-badge--muted   { background: var(--bg-alt); color: var(--muted); }

/* ---- Avatar ---- */
.lms-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--p), var(--p-dk));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    flex-shrink: 0;
    overflow: hidden;
}
.lms-avatar img { width: 100%; height: 100%; object-fit: cover; }
.lms-avatar--lg  { width: 56px; height: 56px; font-size: 20px; }
.lms-avatar--xl  { width: 80px; height: 80px; font-size: 28px; }

/* ---- Progress bar ---- */
.lms-progress { background: var(--bg-alt); border-radius: 999px; height: 8px; overflow: hidden; }
.lms-progress__bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--p) 0%, #15a882 100%);
    transition: width 0.6s ease;
}
.lms-progress--sm { height: 5px; }
.lms-progress--lg { height: 12px; }
.lms-progress--accent .lms-progress__bar { background: linear-gradient(90deg, var(--accent), #f0c060); }

/* ---- Alert / Flash ---- */
.lms-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
}
.lms-alert--success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.lms-alert--error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.lms-alert--warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.lms-alert--info    { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea,
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--text);
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: auto;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--p);
    box-shadow: 0 0 0 3px rgba(15,110,94,0.10);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 5px; }

/* ---- Inline filter bars ---- */
.lms-filter-bar {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 18px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
}
.lms-filter-bar__field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 140px;
}
.lms-filter-bar__field label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--muted);
}
.lms-filter-bar__field input,
.lms-filter-bar__field select {
    padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font-body);
    transition: border-color 0.18s, box-shadow 0.18s;
    width: 100%;
}
.lms-filter-bar__field input:focus,
.lms-filter-bar__field select:focus {
    outline: none;
    border-color: var(--p);
    box-shadow: 0 0 0 3px rgba(15,110,94,0.09);
    background: #fff;
}
.lms-filter-bar__actions {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-shrink: 0;
}

/* ---- Lesson / Video Viewer ---- */
.lesson-shell {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}
.lesson-player {
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    position: relative;
}
.lesson-player video,
.lesson-player iframe {
    width: 100%; height: 100%;
    border: none;
    display: block;
}
.lesson-player__placeholder {
    width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: var(--dark);
    color: rgba(255,255,255,0.4);
    font-size: 14px; gap: 12px;
}
.lesson-sidebar {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}
.lesson-sidebar__head {
    padding: 14px 16px;
    font-size: 13px; font-weight: 700;
    color: var(--dark);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.module-group { }
.module-title {
    padding: 10px 16px 8px;
    font-size: 12px; font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-top: 1px solid var(--border);
}
.lesson-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
    text-decoration: none;
}
.lesson-item:hover { background: var(--p-lt); color: var(--p); }
.lesson-item.is-active { background: var(--p); color: #fff; font-weight: 600; }
.lesson-item.is-active .lesson-item__icon { color: rgba(255,255,255,0.8); }
.lesson-item__icon { flex-shrink: 0; color: var(--muted); }
.lesson-item__done { margin-left: auto; color: var(--success); }

/* ---- Upload zone ---- */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--bg);
    position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--p);
    background: var(--p-lt);
}
.upload-zone input[type="file"] {
    position: absolute; inset: 0;
    opacity: 0; cursor: pointer;
    width: 100%; height: 100%;
}
.upload-zone__icon { color: var(--p); margin: 0 auto 14px; }
.upload-zone__text { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.upload-zone__hint { font-size: 13px; color: var(--muted); }
.upload-progress { margin-top: 16px; display: none; }
.upload-progress__bar { background: var(--bg-alt); border-radius: 999px; height: 10px; overflow: hidden; }
.upload-progress__fill { height: 100%; background: linear-gradient(90deg, var(--p), #15a882); border-radius: 999px; transition: width 0.3s; width: 0; }
.upload-progress__label { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ---- Auth pages (login / register) ---- */
.lms-auth-page {
    min-height: 100vh;
    background: radial-gradient(ellipse at 60% 0%, var(--p-lt) 0%, var(--bg) 55%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.lms-auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 44px 42px;
    width: 100%;
    max-width: 460px;
}
.lms-auth-logo {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    margin-bottom: 28px; text-align: center;
}
.lms-auth-logo__mark {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--p), var(--p-dk));
    display: flex; align-items: center; justify-content: center;
    color: #fff;
}
.lms-auth-logo__name { font-family: var(--font-heading); font-size: 18px; font-weight: 700; color: var(--dark); }
.lms-auth-logo__sub  { font-size: 12px; color: var(--muted); }
.lms-auth-heading    { font-size: 24px; margin-bottom: 6px; }
.lms-auth-sub        { font-size: 14px; color: var(--muted); margin-bottom: 26px; }
.lms-auth-footer     { text-align: center; margin-top: 22px; font-size: 14px; color: var(--muted); }
.lms-auth-footer a   { color: var(--p); font-weight: 600; }
.lms-divider {
    display: flex; align-items: center; gap: 12px;
    color: var(--muted); font-size: 13px;
    margin: 20px 0;
}
.lms-divider::before, .lms-divider::after {
    content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ---- Role selector (login page) ---- */
.role-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 5px;
}
.role-tab {
    padding: 9px 6px;
    border: none;
    background: transparent;
    border-radius: calc(var(--radius-sm) - 2px);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: background 0.18s, color 0.18s;
}
.role-tab.is-active {
    background: var(--card);
    color: var(--p);
    box-shadow: var(--shadow-sm);
}
.role-tab:hover:not(.is-active) { color: var(--dark); }

/* ---- Progress page ---- */
.module-progress {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}
.module-progress__head {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    margin-bottom: 14px;
}
.module-progress__title { font-size: 16px; font-weight: 600; margin: 0; }
.module-progress__pct   { font-size: 22px; font-weight: 700; color: var(--p); }
.lesson-progress-row {
    display: flex; align-items: center; gap: 14px;
    padding: 10px 0;
    border-top: 1px solid var(--border);
}
.lesson-progress-row:first-child { border-top: none; }
.lesson-progress-row__icon { flex-shrink: 0; }
.lesson-progress-row__name { flex: 1; font-size: 14px; }
.lesson-progress-row__meta { font-size: 12px; color: var(--muted); }

/* ---- Class/course card ---- */
.lms-course-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s, box-shadow 0.25s;
}
.lms-course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.lms-course-card__thumb {
    height: 150px;
    background: linear-gradient(135deg, var(--p-lt), var(--bg-alt));
    display: flex; align-items: center; justify-content: center;
    color: var(--p);
    overflow: hidden;
}
.lms-course-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.lms-course-card__body { padding: 18px; }
.lms-course-card__title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.lms-course-card__meta  { font-size: 12px; color: var(--muted); margin-bottom: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.lms-grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.lms-grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 22px; }

/* ---- Empty state ---- */
.lms-empty {
    padding: 60px 24px;
    text-align: center;
    color: var(--muted);
}
.lms-empty svg { opacity: 0.3; margin: 0 auto 16px; }
.lms-empty h3  { font-size: 18px; color: var(--dark); margin-bottom: 8px; }
.lms-empty p   { font-size: 14px; }

/* ---- Announcement ---- */
.announcement {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 5px solid var(--p);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
}
.announcement.is-pinned {
    border-left-color: var(--accent);
    background: #fffdf5;
}
.announcement__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.announcement__body {
    font-size: 14px;
    color: var(--text);
    line-height: 1.75;
    white-space: pre-wrap;
}
.announcement__meta {
    font-size: 12px;
    color: var(--muted);
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ====================================================================
   RESPONSIVE
   ==================================================================== */
@media (max-width: 1024px) {
    .lms-sidebar {
        transform: translateX(calc(-1 * var(--sidebar-w)));
    }
    .lms-sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .lms-main { margin-left: 0; }
    .lms-topbar__toggle { display: flex; }
    .lesson-shell { grid-template-columns: 1fr; }
    .lesson-sidebar { max-height: 400px; }
}

@media (max-width: 768px) {
    .lms-content { padding: 20px 16px; }
    .lms-stats { grid-template-columns: repeat(2, 1fr); }
    .lms-auth-card { padding: 30px 22px; }
    .form-row { grid-template-columns: 1fr; }
    .lms-page-header { flex-direction: column; align-items: flex-start; }
    .role-tabs { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .lms-stats { grid-template-columns: 1fr; }
}

/* ---- Sidebar overlay on mobile ---- */
.lms-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 199;
}
.lms-overlay.is-visible { display: block; }

/* ====================================================================
   MODALS
   ==================================================================== */
.lms-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 900;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.lms-modal-overlay.is-open {
    display: flex;
}
.lms-modal {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalIn 0.18s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(-8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.lms-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px 16px;
    border-bottom: 1px solid var(--border);
}
.lms-modal__head h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
}
.lms-modal__close {
    background: none;
    border: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: var(--muted);
    padding: 0 4px;
}
.lms-modal__close:hover { color: var(--dark); }
.lms-modal__head {
    flex-shrink: 0;
}
.lms-modal__body {
    padding: 20px 22px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.lms-modal__foot {
    padding: 14px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-shrink: 0;
    background: var(--card);
    border-radius: 0 0 var(--radius) var(--radius);
}
/* When a <form> wraps the modal body+foot it must also flex */
.lms-modal > form,
.lms-modal > div > form {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

/* ── Tooltip ─────────────────────────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15,20,35,.82);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 9px;
    border-radius: 5px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s;
    z-index: 1200;
    letter-spacing: .2px;
}
[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 1px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(15,20,35,.82);
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s;
    z-index: 1200;
}
[data-tooltip]:hover::after,
[data-tooltip]:hover::before { opacity: 1; }

/* ====================================================================
   STATS ROW  (horizontal value cards — payments, fees, payroll, etc.)
   ==================================================================== */
.lms-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.lms-stats-row .lms-stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: none;
    align-items: flex-start;
    transition: none;
}
/* value always at top — order:-1 wins regardless of DOM position */
.lms-stats-row .lms-stat__val {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
    word-break: break-word;
    order: -1;
}
/* label always below value — never shifts the value down */
.lms-stats-row .lms-stat__label {
    font-size: 11px;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin: 0;
}
/* inline currency/unit prefix (e.g. KES) inside val */
.lms-stat__cur {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    margin-right: 3px;
}
/* legacy prefix class — hidden */
.lms-stats-row .lms-stat__prefix { display: none; }

/* Module progress card (parent children view) */
.module-progress {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    margin-bottom: 18px;
}
.module-progress__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 10px;
}
.module-progress__title { font-size: 16px; font-weight: 600; margin: 0 0 2px; }
.module-progress__pct   { font-size: 22px; font-weight: 700; color: var(--p); }

/* Extra button variants */
.btn-success         { background: var(--success); color:#fff; }
.btn-success:hover   { background: #1a7a4a; }
.btn-warning         { background: var(--warning); color:#fff; }
.btn-warning:hover   { background: #c8860a; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ---- Utility ---- */
.text-muted   { color: var(--muted); }
.text-sm      { font-size: 13px; }
.text-center  { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.w-full { width: 100%; }

/* ====================================================================
   TIMER / EXAM
   ==================================================================== */
.exam-timer {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--p);
    color: #fff;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 18px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
}
.exam-timer.is-warning { background: var(--warning); }
.exam-timer.is-danger  { background: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.7; } }

.exam-question {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px;
    margin-bottom: 18px;
}
.exam-question__num { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing:.06em; margin-bottom: 8px; }
.exam-question__text { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 14px; line-height: 1.5; }
.exam-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    font-size: 14px;
}
.exam-option:hover { border-color: var(--p); background: var(--p-lt); }
.exam-option input[type="radio"] { margin-top: 2px; flex-shrink: 0; accent-color: var(--p); }
.exam-option.is-selected { border-color: var(--p); background: var(--p-lt); }
.exam-option.is-correct  { border-color: var(--success); background: #d4edda; }
.exam-option.is-wrong    { border-color: var(--danger);  background: #f8d7da; }

/* ====================================================================
   LIVE SESSION CARD
   ==================================================================== */
.live-session-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.live-session-card__time {
    background: var(--p-lt);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    text-align: center;
    flex-shrink: 0;
    min-width: 80px;
}
.live-session-card__time .day  { font-size: 24px; font-weight: 700; color: var(--p); line-height: 1; }
.live-session-card__time .mon  { font-size: 11px; text-transform: uppercase; font-weight: 600; color: var(--muted); letter-spacing: .05em; }
.live-session-card__body { flex: 1; min-width: 0; }
.live-session-card__title { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.live-session-card__meta  { font-size: 13px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.live-session-card.is-live { border-color: var(--success); box-shadow: 0 0 0 3px rgba(26,122,94,.12); }
.live-badge { display: inline-flex; align-items: center; gap: 4px; background: var(--success); color:#fff; font-size:11px; font-weight:700; padding: 2px 10px; border-radius:999px; animation: pulse 2s infinite; }
.live-session-card__actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-end;
    flex-shrink: 0;
}

/* ====================================================================
   LIBRARY CARD
   ==================================================================== */
.library-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .2s, box-shadow .2s;
    display: flex;
    flex-direction: column;
}
.library-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.library-card__icon {
    height: 80px;
    display: flex; align-items: center; justify-content: center;
    background: var(--p-lt);
    font-size: 32px;
}
.library-card__body { padding: 16px; flex: 1; }
.library-card__title { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.library-card__desc  { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.library-card__foot  { padding: 12px 16px; border-top: 1px solid var(--border); }

/* ====================================================================
   IMPROVED RESPONSIVE — COMPREHENSIVE FIX
   ==================================================================== */

/* Prevent page-level horizontal scroll on the outer shell only */
html, body { overflow-x: hidden; }
.lms-wrap { overflow-x: hidden; }
.lms-main { min-width: 0; }

/* Content area scrolls horizontally so wide tables/grids are reachable */
.lms-content {
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* All tables are natively scrollable blocks */
.lms-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}
.lms-table {
    min-width: 540px;   /* prevents columns collapsing on tiny viewports */
}
/* Tables directly inside .lms-card get automatic scroll wrapper behaviour */
.lms-card table.lms-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

/* Stats row — always responsive */
.lms-stats-row {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

/* Stats grid */
.lms-stats {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* Page header — stack on mobile */
@media (max-width: 600px) {
    .lms-page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .lms-page-header > div:last-child { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; }
    .lms-page-header .btn { flex: 1; justify-content: center; min-width: 120px; }
}

/* Action buttons in table cells — allow wrapping */
.lms-table td > div[style*="display:flex"],
.lms-table td > div[style*="display: flex"] {
    flex-wrap: wrap;
}

/* ===== NOTIFICATION BELL ===== */
.lms-notif { position: relative; }
.lms-notif__badge {
    position: absolute;
    top: 2px; right: 2px;
    min-width: 16px; height: 16px;
    background: #e53e3e;
    color: #fff;
    font-size: 10px; font-weight: 700;
    border-radius: 9px;
    padding: 0 4px;
    line-height: 16px;
    text-align: center;
    pointer-events: none;
}
.lms-notif__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 290px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1500;
    overflow: hidden;
}
.lms-notif.is-open .lms-notif__dropdown { display: block; }
.lms-notif__head {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px;
    font-weight: 600; font-size: 13px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.lms-notif__badge-sm {
    background: #e53e3e;
    color: #fff;
    font-size: 10px; font-weight: 700;
    border-radius: 9px;
    padding: 1px 6px;
}
.lms-notif__item {
    display: block;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: background .12s;
}
.lms-notif__item:hover { background: var(--p-lt); }
.lms-notif__item-title {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.lms-notif__item-time {
    font-size: 11px;
    color: var(--muted);
    margin-top: 2px;
}
.lms-notif__empty {
    padding: 18px 16px;
    font-size: 13px;
    color: var(--muted);
    text-align: center;
}
.lms-notif__all {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--p);
    text-decoration: none;
    text-align: center;
    background: var(--bg);
}
.lms-notif__all:hover { background: var(--p-lt); }
.lms-notif__item.is-unread { background: #f0f5ff; }
.lms-notif__item.is-unread .lms-notif__item-title { font-weight: 700; color: var(--p); }
.lms-notif__item.is-unread::before {
    content: '';
    display: inline-block;
    width: 7px; height: 7px;
    background: var(--p);
    border-radius: 50%;
    margin-right: 6px;
    flex-shrink: 0;
    vertical-align: middle;
}

@media (max-width: 1024px) {
    .lms-sidebar {
        transform: translateX(calc(-1 * var(--sidebar-w)));
    }
    .lms-sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .lms-main { margin-left: 0; }
    .lms-topbar__toggle { display: flex; }
    .lesson-shell { grid-template-columns: 1fr; }
    .lesson-sidebar { max-height: 400px; }
}

@media (max-width: 768px) {
    .lms-content { padding: 16px 14px; }
    .lms-stats { grid-template-columns: repeat(2, 1fr); }
    .lms-stats-row { grid-template-columns: repeat(2, 1fr); }
    .lms-auth-card { padding: 28px 18px; }
    .form-row { grid-template-columns: 1fr; }
    .lms-page-header { flex-direction: column; align-items: flex-start; }
    .role-tabs { grid-template-columns: 1fr 1fr; }
    .lms-grid-3, .lms-grid-2 { grid-template-columns: 1fr; }
    .live-session-card { flex-direction: column; align-items: flex-start; padding: 16px 18px; gap: 14px; }
    .live-session-card__actions { width: 100%; align-items: stretch; }
    .live-session-card__actions .btn { width: 100%; justify-content: center; }
    .lms-lessons-layout { grid-template-columns: 1fr !important; }
    .lms-lessons-layout .lms-modules-panel { max-height: 260px; overflow-y: auto; }
    .lms-split-sidebar { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    .lms-stats { grid-template-columns: 1fr; }
    .lms-stats-row { grid-template-columns: 1fr 1fr; }
    .lms-stats-row .lms-stat__val { font-size: 20px; }
    .lms-topbar { padding: 0 14px; gap: 10px; }
    .btn { padding: 8px 14px; font-size: 13px; }
    .btn-sm { padding: 5px 10px; font-size: 12px; }
    .lms-modal { max-width: 100%; margin: 0; border-radius: var(--radius-md) var(--radius-md) 0 0; }
    .lms-modal-overlay { align-items: flex-end; padding: 0; }
    .add-lesson-grid, .edit-lesson-grid { grid-template-columns: 1fr !important; }
}