/* =====================================================
   مدرستي - Unified Design System
   Modern Arabic school management dashboard
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Primary palette */
    --ms-primary: #0d2550;
    --ms-primary-dark: #081a3a;
    --ms-primary-light: #1a4a8a;
    --ms-secondary: #1a6a9a;
    --ms-secondary-light: #2a8bc4;

    /* Accent palette */
    --ms-accent: #d4a017;
    --ms-accent-light: #f0c040;
    --ms-accent-dark: #a67c00;

    /* Semantic colors */
    --ms-success: #1a7a3a;
    --ms-success-bg: #d4edda;
    --ms-success-border: #b8dfc4;
    --ms-danger: #c23030;
    --ms-danger-bg: #f8d7da;
    --ms-danger-border: #f0b8bc;
    --ms-warning: #8a6000;
    --ms-warning-bg: #fff3cd;
    --ms-warning-border: #ffeeba;
    --ms-info: #0c5460;
    --ms-info-bg: #d1ecf1;
    --ms-info-border: #b2dde8;

    /* Neutrals */
    --ms-white: #ffffff;
    --ms-bg: #f4f7fa;
    --ms-surface: #ffffff;
    --ms-border: #dde5ed;
    --ms-text: #1f2937;
    --ms-text-muted: #6b7280;
    --ms-text-light: #9ca3af;

    /* Spacing scale */
    --ms-space-xs: 0.25rem;
    --ms-space-sm: 0.5rem;
    --ms-space-md: 1rem;
    --ms-space-lg: 1.5rem;
    --ms-space-xl: 2rem;
    --ms-space-2xl: 3rem;

    /* Border radius */
    --ms-radius-sm: 6px;
    --ms-radius-md: 10px;
    --ms-radius-lg: 14px;
    --ms-radius-xl: 20px;

    /* Shadows */
    --ms-shadow-sm: 0 1px 3px rgba(13, 37, 80, 0.08);
    --ms-shadow-md: 0 4px 12px rgba(13, 37, 80, 0.1);
    --ms-shadow-lg: 0 10px 30px rgba(13, 37, 80, 0.12);
    --ms-shadow-card: 0 2px 8px rgba(13, 37, 80, 0.07);

    /* Typography */
    --ms-font: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ms-transition: all 0.2s ease-in-out;
}

/* Reset & base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ms-font);
    background-color: var(--ms-bg);
    color: var(--ms-text);
    direction: rtl;
    text-align: right;
    line-height: 1.6;
    min-height: 100vh;
    font-size: 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ms-font);
    font-weight: 700;
    color: var(--ms-primary);
    margin-bottom: var(--ms-space-md);
}

a {
    color: var(--ms-secondary);
    text-decoration: none;
    transition: var(--ms-transition);
}

a:hover {
    color: var(--ms-primary-light);
}

/* =====================================================
   Layout
   ===================================================== */
.ms-page {
    min-height: calc(100vh - 70px);
    padding: var(--ms-space-lg) 0;
}

.ms-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--ms-space-lg);
}

.ms-section {
    margin-bottom: var(--ms-space-xl);
}

/* =====================================================
   Navbar
   ===================================================== */
.ms-navbar {
    background: linear-gradient(135deg, var(--ms-primary) 0%, var(--ms-primary-light) 100%);
    box-shadow: var(--ms-shadow-md);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.ms-navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--ms-white) !important;
    display: flex;
    align-items: center;
    gap: var(--ms-space-sm);
}

.ms-navbar .navbar-brand:hover {
    color: var(--ms-accent-light) !important;
}

.ms-navbar .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 600;
    padding: 0.6rem 1rem !important;
    border-radius: var(--ms-radius-md);
    margin: 0 0.15rem;
    transition: var(--ms-transition);
}

.ms-navbar .nav-link:hover,
.ms-navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--ms-white) !important;
}

.ms-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.ms-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.ms-user-name {
    color: var(--ms-accent-light) !important;
    font-weight: 700;
}

/* =====================================================
   Cards
   ===================================================== */
.ms-card {
    background: var(--ms-surface);
    border-radius: var(--ms-radius-lg);
    border: 1px solid var(--ms-border);
    box-shadow: var(--ms-shadow-card);
    overflow: hidden;
    transition: var(--ms-transition);
    margin-bottom: var(--ms-space-lg);
}

.ms-card:hover {
    box-shadow: var(--ms-shadow-md);
}

.ms-card-header {
    background: linear-gradient(135deg, var(--ms-primary) 0%, var(--ms-primary-light) 100%);
    color: var(--ms-white);
    padding: var(--ms-space-md) var(--ms-space-lg);
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ms-space-md);
}

.ms-card-header-light {
    background: var(--ms-bg);
    color: var(--ms-primary);
    border-bottom: 1px solid var(--ms-border);
}

.ms-card-body {
    padding: var(--ms-space-lg);
}

.ms-card-footer {
    background: var(--ms-bg);
    padding: var(--ms-space-md) var(--ms-space-lg);
    border-top: 1px solid var(--ms-border);
}

/* =====================================================
   Buttons
   ===================================================== */
.ms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ms-space-sm);
    padding: 0.6rem 1.25rem;
    border-radius: var(--ms-radius-md);
    font-family: var(--ms-font);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--ms-transition);
    white-space: nowrap;
}

.ms-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--ms-shadow-sm);
}

.ms-btn:active {
    transform: translateY(0);
}

.ms-btn-primary {
    background: linear-gradient(135deg, var(--ms-secondary) 0%, var(--ms-primary-light) 100%);
    color: var(--ms-white);
}

.ms-btn-primary:hover {
    background: linear-gradient(135deg, var(--ms-primary-light) 0%, var(--ms-primary) 100%);
    color: var(--ms-white);
}

.ms-btn-accent {
    background: linear-gradient(135deg, var(--ms-accent) 0%, var(--ms-accent-dark) 100%);
    color: var(--ms-white);
}

.ms-btn-accent:hover {
    background: linear-gradient(135deg, var(--ms-accent-light) 0%, var(--ms-accent) 100%);
    color: var(--ms-white);
}

.ms-btn-success {
    background: var(--ms-success);
    color: var(--ms-white);
}

.ms-btn-success:hover {
    background: #14632d;
    color: var(--ms-white);
}

.ms-btn-danger {
    background: var(--ms-danger);
    color: var(--ms-white);
}

.ms-btn-danger:hover {
    background: #a02525;
    color: var(--ms-white);
}

.ms-btn-outline {
    background: transparent;
    border: 2px solid var(--ms-border);
    color: var(--ms-text);
}

.ms-btn-outline:hover {
    border-color: var(--ms-secondary);
    color: var(--ms-secondary);
}

.ms-btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

.ms-btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1.05rem;
}

/* =====================================================
   Tables
   ===================================================== */
.ms-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--ms-surface);
    border-radius: var(--ms-radius-md);
    overflow: hidden;
    font-size: 0.95rem;
}

.ms-table thead th {
    background: var(--ms-primary);
    color: var(--ms-white);
    font-weight: 700;
    padding: var(--ms-space-md);
    text-align: center;
    white-space: nowrap;
}

.ms-table thead th:first-child {
    border-top-right-radius: var(--ms-radius-md);
}

.ms-table thead th:last-child {
    border-top-left-radius: var(--ms-radius-md);
}

.ms-table tbody td {
    padding: var(--ms-space-md);
    border-bottom: 1px solid var(--ms-border);
    text-align: center;
    vertical-align: middle;
}
.ms-bottom-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.ms-bottom-label .ms-nav-badge { margin-inline-start: 0; }

.ms-table tbody tr:last-child td {
    border-bottom: none;
}

.ms-table tbody tr:hover td {
    background-color: #f8fafc;
}

.ms-table-responsive {
    overflow-x: auto;
    border-radius: var(--ms-radius-md);
    border: 1px solid var(--ms-border);
}

/* =====================================================
   Forms
   ===================================================== */
.ms-form-label {
    display: block;
    font-weight: 700;
    color: var(--ms-primary);
    margin-bottom: var(--ms-space-sm);
    font-size: 0.9rem;
}

.ms-form-control,
.ms-form-select {
    display: block;
    width: 100%;
    padding: 0.65rem 1rem;
    font-family: var(--ms-font);
    font-size: 0.95rem;
    color: var(--ms-text);
    background-color: var(--ms-surface);
    border: 2px solid var(--ms-border);
    border-radius: var(--ms-radius-md);
    transition: var(--ms-transition);
}

.ms-form-control:focus,
.ms-form-select:focus {
    outline: none;
    border-color: var(--ms-secondary);
    box-shadow: 0 0 0 4px rgba(26, 106, 154, 0.1);
}

.ms-form-control::placeholder {
    color: var(--ms-text-light);
}

.ms-form-group {
    margin-bottom: var(--ms-space-md);
}

/* =====================================================
   Badges
   ===================================================== */
.ms-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.75rem;
    border-radius: 50rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.ms-badge-success {
    background: var(--ms-success-bg);
    color: var(--ms-success);
    border: 1px solid var(--ms-success-border);
}

.ms-badge-danger {
    background: var(--ms-danger-bg);
    color: var(--ms-danger);
    border: 1px solid var(--ms-danger-border);
}

.ms-badge-warning {
    background: var(--ms-warning-bg);
    color: var(--ms-warning);
    border: 1px solid var(--ms-warning-border);
}

.ms-badge-info {
    background: var(--ms-info-bg);
    color: var(--ms-info);
    border: 1px solid var(--ms-info-border);
}

/* =====================================================
   Stats cards
   ===================================================== */
.ms-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ms-space-lg);
    margin-bottom: var(--ms-space-xl);
}

.ms-stat-card {
    background: var(--ms-surface);
    border-radius: var(--ms-radius-lg);
    padding: var(--ms-space-lg);
    border: 1px solid var(--ms-border);
    box-shadow: var(--ms-shadow-card);
    display: flex;
    align-items: center;
    gap: var(--ms-space-md);
    transition: var(--ms-transition);
}

.ms-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--ms-shadow-md);
}

.ms-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--ms-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.ms-stat-icon.blue {
    background: rgba(26, 106, 154, 0.12);
    color: var(--ms-secondary);
}

.ms-stat-icon.gold {
    background: rgba(212, 160, 23, 0.15);
    color: var(--ms-accent-dark);
}

.ms-stat-icon.green {
    background: var(--ms-success-bg);
    color: var(--ms-success);
}

.ms-stat-icon.red {
    background: var(--ms-danger-bg);
    color: var(--ms-danger);
}

.ms-stat-label {
    font-size: 0.85rem;
    color: var(--ms-text-muted);
    font-weight: 600;
}

.ms-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--ms-primary);
    line-height: 1.2;
}

/* =====================================================
   Back button
   ===================================================== */
.ms-back-row {
    display: flex;
    justify-content: flex-start;
    margin-bottom: var(--ms-space-md);
}

.ms-back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--ms-space-sm);
    padding: 0.4rem 0.9rem;
    border-radius: var(--ms-radius-md);
    border: 2px solid var(--ms-border);
    background: transparent;
    color: var(--ms-text);
    font-family: var(--ms-font);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--ms-transition);
    white-space: nowrap;
}

.ms-back-btn:hover {
    border-color: var(--ms-secondary);
    color: var(--ms-secondary);
    transform: translateY(-1px);
    box-shadow: var(--ms-shadow-sm);
}

.ms-back-btn:active {
    transform: translateY(0);
}

/* =====================================================
   Page title
   ===================================================== */
.ms-page-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ms-space-md);
    margin-bottom: var(--ms-space-xl);
    flex-wrap: wrap;
}

.ms-page-title h1,
.ms-page-title h2 {
    margin-bottom: 0;
    font-weight: 800;
    font-size: 1.6rem;
}

.ms-page-title p {
    color: var(--ms-text-muted);
    margin: 0;
    width: 100%;
}

/* =====================================================
   Empty state
   ===================================================== */
.ms-empty {
    text-align: center;
    padding: var(--ms-space-2xl);
    color: var(--ms-text-muted);
}

.ms-empty-icon {
    font-size: 3rem;
    margin-bottom: var(--ms-space-md);
    opacity: 0.5;
}

/* =====================================================
   Alerts
   ===================================================== */
.ms-alert {
    border-radius: var(--ms-radius-md);
    padding: var(--ms-space-md) var(--ms-space-lg);
    margin-bottom: var(--ms-space-lg);
    border: none;
    font-weight: 600;
}

.ms-alert-success {
    background: var(--ms-success-bg);
    color: var(--ms-success);
    border-right: 4px solid var(--ms-success);
}

.ms-alert-danger {
    background: var(--ms-danger-bg);
    color: var(--ms-danger);
    border-right: 4px solid var(--ms-danger);
}

.ms-alert-warning {
    background: var(--ms-warning-bg);
    color: var(--ms-warning);
    border-right: 4px solid var(--ms-warning);
}

.ms-alert-info {
    background: var(--ms-info-bg);
    color: var(--ms-info);
    border-right: 4px solid var(--ms-info);
}

/* =====================================================
   Utilities
   ===================================================== */
.ms-text-primary { color: var(--ms-primary) !important; }
.ms-text-secondary { color: var(--ms-secondary) !important; }
.ms-text-accent { color: var(--ms-accent) !important; }
.ms-text-muted { color: var(--ms-text-muted) !important; }
.ms-text-success { color: var(--ms-success) !important; }
.ms-text-danger { color: var(--ms-danger) !important; }

.ms-bg-primary { background-color: var(--ms-primary) !important; }
.ms-bg-secondary { background-color: var(--ms-secondary) !important; }
.ms-bg-accent { background-color: var(--ms-accent) !important; }

.ms-fw-700 { font-weight: 700 !important; }
.ms-fw-800 { font-weight: 800 !important; }

.ms-radius { border-radius: var(--ms-radius-md) !important; }
.ms-shadow { box-shadow: var(--ms-shadow-md) !important; }

/* =====================================================
   Print styles
   ===================================================== */
@media print {
    .no-print,
    .ms-navbar,
    .ms-btn,
    .ms-bottom-nav,
    .ms-toast-container,
    .ms-skip-link,
    .ms-lightbox,
    #install-sheet-wrap,
    #push-sheet-wrap {
        display: none !important;
    }

    .ms-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* =====================================================
   Responsive adjustments
   ===================================================== */
@media (max-width: 768px) {
    .ms-page {
        padding: var(--ms-space-sm) 0;
    }

    .ms-container {
        padding: 0 var(--ms-space-sm);
    }

    .ms-page-title {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ms-space-sm);
        margin-bottom: var(--ms-space-md);
    }

    .ms-page-title h1,
    .ms-page-title h2 {
        font-size: 1.25rem;
    }

    .ms-page-title p {
        font-size: 0.85rem;
    }

    .ms-stat-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--ms-space-sm);
    }

    .ms-card {
        border-radius: var(--ms-radius-md);
    }

    .ms-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ms-space-sm);
        padding: var(--ms-space-md);
    }

    .ms-card-body {
        padding: var(--ms-space-md);
    }

    .ms-btn {
        padding: 10px 16px;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .ms-btn-sm {
        padding: 8px 12px;
        font-size: 0.85rem;
        min-height: 38px;
    }

    .ms-form-control,
    .ms-form-select {
        min-height: 44px;
        font-size: 16px; /* prevent zoom on iOS */
    }

    .ms-table {
        font-size: 0.85rem;
    }

    .ms-table thead th,
    .ms-table tbody td {
        padding: 8px 6px;
        font-size: 0.85rem;
    }

    .ms-table-responsive {
        border-radius: var(--ms-radius-sm);
        -webkit-overflow-scrolling: touch;
    }

    .ms-navbar .navbar-brand {
        font-size: 1.1rem;
    }

    .ms-navbar .nav-link {
        padding: 10px 12px;
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .ms-stat-grid {
        grid-template-columns: 1fr;
    }

    .ms-page-title h1,
    .ms-page-title h2 {
        font-size: 1.15rem;
    }

    .ms-table {
        font-size: 0.8rem;
    }

    .ms-table thead th,
    .ms-table tbody td {
        padding: 6px 4px;
        font-size: 0.8rem;
    }

    .ms-btn {
        width: 100%;
        margin-bottom: 6px;
    }

    .ms-btn-sm {
        width: auto;
    }

    .d-flex:has(> .ms-btn) {
        flex-wrap: wrap;
        gap: 8px;
    }

    .d-flex:has(> .ms-btn) > .ms-btn,
    .d-flex:has(> .ms-btn) > .ms-btn-sm {
        flex: 1 1 auto;
        width: auto;
        margin-bottom: 0;
    }

    .d-flex.flex-column:has(> .ms-btn) > .ms-btn,
    .d-flex.flex-column:has(> .ms-btn) > .ms-btn-sm {
        width: 100%;
    }
}


/* =====================================================
   Modern UI/UX additions (2026 refresh)
   Additive only — all existing .ms- classes preserved.
   ===================================================== */

/* ---------- Accessibility: focus & skip link ---------- */
:focus-visible {
    outline: 3px solid var(--ms-secondary-light);
    outline-offset: 2px;
    border-radius: var(--ms-radius-sm);
}
.ms-btn:focus-visible,
.nav-link:focus-visible,
.ms-form-control:focus-visible,
.ms-form-select:focus-visible {
    outline: 3px solid rgba(42, 139, 196, 0.55);
    outline-offset: 2px;
}
.ms-skip-link {
    position: absolute;
    top: -48px;
    right: var(--ms-space-md);
    background: var(--ms-primary);
    color: var(--ms-white);
    padding: 10px 18px;
    border-radius: var(--ms-radius-md);
    z-index: 3000;
    transition: top 0.2s ease;
    font-weight: 700;
}
.ms-skip-link:focus {
    top: 8px;
    color: var(--ms-white);
}

/* ---------- Entrance animations (lightweight) ---------- */
@keyframes msFadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes msFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes msScaleIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}
.ms-card, .ms-stat-card {
    animation: msFadeInUp 0.35s ease both;
}
.ms-animate-fade { animation: msFadeIn 0.3s ease both; }
.ms-animate-scale { animation: msScaleIn 0.25s ease both; }

/* ---------- Skeleton loading ---------- */
.ms-skeleton {
    position: relative;
    overflow: hidden;
    background: #e6ebf1;
    border-radius: var(--ms-radius-md);
    min-height: 1rem;
}
.ms-skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: msShimmer 1.4s infinite;
}
@keyframes msShimmer {
    to { transform: translateX(100%); }
}
.ms-skeleton-text { height: 0.9rem; margin-bottom: 0.6rem; }
.ms-skeleton-card { height: 120px; }

/* ---------- Spinner / loading ---------- */
.ms-spinner {
    width: 22px;
    height: 22px;
    border: 3px solid rgba(13, 37, 80, 0.15);
    border-top-color: var(--ms-secondary);
    border-radius: 50%;
    animation: msSpin 0.7s linear infinite;
    display: inline-block;
    vertical-align: middle;
}
@keyframes msSpin { to { transform: rotate(360deg); } }
.ms-btn .ms-spinner {
    width: 16px; height: 16px; border-width: 2px;
    border-color: rgba(255,255,255,0.4);
    border-top-color: var(--ms-white);
}

/* ---------- Toast notifications ---------- */
.ms-toast-container {
    position: fixed;
    bottom: calc(var(--ms-space-lg) + env(safe-area-inset-bottom, 0px));
    right: var(--ms-space-md);
    left: var(--ms-space-md);
    display: flex;
    flex-direction: column;
    gap: var(--ms-space-sm);
    z-index: 4000;
    pointer-events: none;
}
@media (min-width: 768px) {
    .ms-toast-container { left: auto; max-width: 380px; }
}
.ms-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: var(--ms-space-sm);
    background: var(--ms-surface);
    color: var(--ms-text);
    border-radius: var(--ms-radius-md);
    border: 1px solid var(--ms-border);
    border-right: 4px solid var(--ms-secondary);
    box-shadow: var(--ms-shadow-lg);
    padding: 0.85rem 1rem;
    font-weight: 600;
    animation: msFadeInUp 0.3s ease both;
}
.ms-toast.hide { opacity: 0; transform: translateY(8px); transition: 0.25s ease; }
.ms-toast-success { border-right-color: var(--ms-success); }
.ms-toast-danger { border-right-color: var(--ms-danger); }
.ms-toast-warning { border-right-color: var(--ms-warning); }
.ms-toast-info { border-right-color: var(--ms-info); }
.ms-toast-close {
    background: transparent; border: none; cursor: pointer;
    color: var(--ms-text-light); font-size: 1.2rem; line-height: 1;
    margin-inline-start: auto; padding: 0 4px;
}

/* ---------- Navbar: user + unread badge on "الإشعارات" ---------- */
.ms-nav-actions { display: flex; align-items: center; gap: var(--ms-space-sm); }
.ms-nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    margin-inline-start: 6px;
    border-radius: 50rem;
    background: var(--ms-accent);
    color: #221a00;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    vertical-align: middle;
}

/* ---------- Mobile bottom navigation ---------- */
.ms-bottom-nav {
    display: none;
}
@media (max-width: 768px) {
    .ms-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0; right: 0; left: 0;
        background: var(--ms-surface);
        border-top: 1px solid var(--ms-border);
        box-shadow: 0 -4px 16px rgba(13,37,80,0.08);
        z-index: 1040;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    .ms-bottom-nav a {
        flex: 1;
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        gap: 2px;
        padding: 8px 4px;
        color: var(--ms-text-muted);
        font-size: 0.72rem;
        font-weight: 700;
        text-decoration: none;
        min-height: 56px;
    }
    .ms-bottom-nav a .bi, .ms-bottom-nav a .ico { font-size: 1.25rem; line-height: 1; }
    .ms-bottom-nav a.active { color: var(--ms-secondary); }
    .ms-bottom-nav a:active { transform: scale(0.95); }
    body { padding-bottom: 66px; }
    .ms-navbar .navbar-collapse .navbar-nav .nav-item.nav-desktop-only { display: none; }
}

/* ---------- Bottom sheet prompts (PWA install / push) ---------- */
.ms-sheet-backdrop {
    position: fixed; inset: 0;
    background: rgba(8, 26, 58, 0.5);
    z-index: 5000;
    animation: msFadeIn 0.25s ease both;
}
.ms-sheet {
    position: fixed;
    right: 0; left: 0; bottom: 0;
    background: var(--ms-surface);
    border-radius: var(--ms-radius-xl) var(--ms-radius-xl) 0 0;
    box-shadow: var(--ms-shadow-lg);
    z-index: 5001;
    padding: var(--ms-space-lg);
    padding-bottom: calc(var(--ms-space-lg) + env(safe-area-inset-bottom, 0px));
    animation: msSheetUp 0.32s cubic-bezier(0.2, 0.9, 0.3, 1) both;
    max-width: 560px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .ms-sheet {
        bottom: var(--ms-space-lg);
        right: var(--ms-space-lg); left: var(--ms-space-lg);
        border-radius: var(--ms-radius-xl);
    }
}
@keyframes msSheetUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}
.ms-sheet-handle {
    width: 42px; height: 4px; border-radius: 50rem;
    background: var(--ms-border);
    margin: 0 auto var(--ms-space-md);
}
.ms-sheet-app {
    display: flex; align-items: center; gap: var(--ms-space-md);
    margin-bottom: var(--ms-space-md);
}
.ms-sheet-app img {
    width: 56px; height: 56px; border-radius: var(--ms-radius-md);
    border: 1px solid var(--ms-border); object-fit: cover;
}
.ms-sheet-app .app-name { font-weight: 800; color: var(--ms-primary); font-size: 1.1rem; }
.ms-sheet-app .app-desc { font-size: 0.85rem; color: var(--ms-text-muted); }
.ms-sheet-actions { display: flex; gap: var(--ms-space-sm); margin-top: var(--ms-space-md); }
.ms-sheet-actions .ms-btn { flex: 1; margin: 0; }
.ms-sheet-close {
    position: absolute; top: 10px; inset-inline-end: 12px;
    background: transparent; border: none; font-size: 1.5rem; line-height: 1;
    color: var(--ms-text-light); cursor: pointer;
}

/* ---------- Improved empty state ---------- */
.ms-empty {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: var(--ms-space-2xl) var(--ms-space-lg);
    color: var(--ms-text-muted);
    text-align: center;
}
.ms-empty-icon { font-size: 2.75rem; opacity: 0.45; line-height: 1; }
.ms-empty-title { font-weight: 700; color: var(--ms-primary); font-size: 1.05rem; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}


/* =====================================================
   Template polish additions
   ===================================================== */

/* Busy/loading state for submit buttons */
.ms-btn.is-busy {
    position: relative;
    pointer-events: none;
    opacity: 0.85;
}
.ms-btn.is-busy::after {
    content: '';
    width: 14px; height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: msSpin 0.7s linear infinite;
    margin-inline-start: 4px;
}

/* Quick-link cards on dashboard */
.ms-quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--ms-space-md);
}
.ms-quick-card {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 6px;
    padding: var(--ms-space-lg);
    background: var(--ms-surface);
    border: 1px solid var(--ms-border);
    border-radius: var(--ms-radius-lg);
    text-decoration: none;
    color: var(--ms-text);
    transition: var(--ms-transition);
    min-height: 130px;
}
.ms-quick-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ms-shadow-md);
    border-color: var(--ms-secondary-light);
    color: var(--ms-primary);
}
.ms-quick-card .q-ico { font-size: 2.2rem; line-height: 1; }
.ms-quick-card .q-title { font-weight: 700; color: var(--ms-primary); font-size: 0.95rem; text-align: center; }

/* Notification feed list (dashboard/student) */
.ms-feed-item {
    display: block;
    padding: var(--ms-space-md);
    border-bottom: 1px solid var(--ms-border);
    transition: background 0.15s ease;
}
.ms-feed-item:hover { background: #f6f9fc; }
.ms-feed-item:last-child { border-bottom: none; }
.ms-feed-title { font-weight: 700; color: var(--ms-primary); display: flex; gap: 6px; align-items: center; }
.ms-feed-body { font-size: 0.9rem; color: var(--ms-text-muted); margin-top: 3px; }
.ms-feed-date { font-size: 0.75rem; color: var(--ms-text-light); margin-top: 4px; }

/* Portal header (student) */
.ms-portal-hero {
    background: linear-gradient(135deg, var(--ms-primary) 0%, var(--ms-primary-light) 100%);
    color: var(--ms-white);
    border-radius: var(--ms-radius-lg);
    padding: var(--ms-space-xl) var(--ms-space-lg);
    margin-bottom: var(--ms-space-xl);
    box-shadow: var(--ms-shadow-md);
}
.ms-portal-hero h1 { color: var(--ms-white); margin-bottom: 4px; }
.ms-portal-hero p { color: rgba(255,255,255,0.85); margin: 0; }

/* Better form validation feedback */
.ms-form-control.is-invalid, .ms-form-select.is-invalid {
    border-color: var(--ms-danger);
}
.invalid-feedback { color: var(--ms-danger); font-size: 0.8rem; font-weight: 600; margin-top: 4px; }