/* ==========================================================================
   Sudan Services — Premium Design System
   ========================================================================== */

:root {
    /* Brand palette — sophisticated emerald + amber accent */
    --brand-50:  #ecfdf5;
    --brand-100: #d1fae5;
    --brand-200: #a7f3d0;
    --brand-300: #6ee7b7;
    --brand-400: #34d399;
    --brand-500: #10b981;
    --brand-600: #059669;
    --brand-700: #047857;
    --brand-800: #065f46;
    --brand-900: #064e3b;

    --accent-400: #fbbf24;
    --accent-500: #f59e0b;
    --accent-600: #d97706;

    /* Neutral grays — warm undertone */
    --gray-50:  #fafaf9;
    --gray-100: #f5f5f4;
    --gray-200: #e7e5e4;
    --gray-300: #d6d3d1;
    --gray-400: #a8a29e;
    --gray-500: #78716c;
    --gray-600: #57534e;
    --gray-700: #44403c;
    --gray-800: #292524;
    --gray-900: #1c1917;
    --gray-950: #0c0a09;

    /* Status colors */
    --success: #10b981;
    --info:    #06b6d4;
    --warning: #f59e0b;
    --danger:  #ef4444;

    /* Semantic tokens */
    --bg-body:        var(--gray-50);
    --bg-elevated:    #ffffff;
    --bg-subtle:      var(--gray-100);
    --text-primary:   var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary:  var(--gray-500);
    --border-subtle:  var(--gray-200);
    --border-default: var(--gray-300);

    /* Bootstrap overrides */
    --bs-primary:    var(--brand-600);
    --bs-primary-rgb: 5, 150, 105;
    --bs-body-bg:    var(--bg-body);
    --bs-body-color: var(--text-primary);
    --bs-border-color: var(--border-subtle);

    /* Shadows — layered & soft */
    --shadow-xs:  0 1px 2px 0 rgb(0 0 0 / 0.04);
    --shadow-sm:  0 1px 3px 0 rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.04);
    --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
    --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.10), 0 8px 10px -6px rgb(0 0 0 / 0.04);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
    --shadow-glow: 0 0 40px -10px rgb(16 185 129 / 0.35);

    /* Radii */
    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   14px;
    --radius-xl:   20px;
    --radius-2xl:  28px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms var(--ease-smooth);

    /* Premium gradients */
    --gradient-brand: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-500) 60%, var(--brand-400) 100%);
    --gradient-hero:  linear-gradient(135deg, #064e3b 0%, #047857 35%, #059669 100%);
    --gradient-mesh:
        radial-gradient(at 0% 0%, rgba(16,185,129,0.18) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(251,191,36,0.12) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(6,182,212,0.10) 0px, transparent 50%);
    --gradient-gold:  linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

/* ==========================================================================
   Base
   ========================================================================== */

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', 'Tajawal', 'Cairo', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    font-feature-settings: "ss01", "cv11";
    line-height: 1.6;
    letter-spacing: -0.01em;
}

[dir="rtl"] body {
    font-family: 'Tajawal', 'Cairo', 'IBM Plex Sans Arabic', system-ui, sans-serif;
    letter-spacing: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

h1 { font-weight: 800; letter-spacing: -0.04em; }

::selection { background: var(--brand-200); color: var(--brand-900); }

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
    background: rgba(255,255,255,0.85) !important;
    backdrop-filter: saturate(1.8) blur(20px);
    -webkit-backdrop-filter: saturate(1.8) blur(20px);
    border-bottom: 1px solid var(--border-subtle) !important;
    box-shadow: var(--shadow-xs);
    padding: 0.85rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 800 !important;
    font-size: 1.25rem;
    color: var(--brand-700) !important;
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    background: var(--gradient-brand);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
}

.navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.9rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
}

.navbar .nav-link:hover { color: var(--brand-700) !important; background: var(--brand-50); }
.navbar .nav-link.active { color: var(--brand-700) !important; background: var(--brand-50); }

.navbar .dropdown-menu {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.navbar .dropdown-item {
    border-radius: var(--radius-md);
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.navbar .dropdown-item:hover { background: var(--brand-50); color: var(--brand-700); }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.6rem 1.25rem;
    transition: var(--transition);
    border: 1px solid transparent;
    letter-spacing: -0.005em;
    box-shadow: var(--shadow-xs);
}

.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.825rem; border-radius: var(--radius-sm); }

.btn-primary {
    background: var(--gradient-brand);
    border: none;
    color: white;
    box-shadow: 0 4px 14px -3px rgba(5,150,105,0.35);
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--gradient-brand);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -4px rgba(5,150,105,0.45);
    color: white;
}

.btn-light {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}
.btn-light:hover { background: var(--bg-subtle); border-color: var(--border-default); }

.btn-outline-primary {
    color: var(--brand-700);
    border-color: var(--brand-300);
    background: white;
}
.btn-outline-primary:hover { background: var(--brand-50); color: var(--brand-700); border-color: var(--brand-400); }

.btn-outline-light { border-color: rgba(255,255,255,0.4); color: white; }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); color: white; }

.btn-outline-secondary, .btn-outline-danger {
    background: white;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 600;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
}

.card-body { padding: 1.5rem; }

/* ==========================================================================
   Hero — Premium with mesh gradient
   ========================================================================== */

.hero {
    position: relative;
    background: var(--gradient-hero);
    color: white;
    padding: 7rem 0 6rem;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    z-index: -1;
    opacity: 0.9;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top right, rgba(251,191,36,0.15), transparent 60%),
        radial-gradient(ellipse at bottom left, rgba(255,255,255,0.08), transparent 50%);
    z-index: -1;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.05;
    color: white;
    text-shadow: 0 2px 30px rgba(0,0,0,0.15);
    margin-bottom: 1.25rem;
}

.hero .lead {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.92;
    max-width: 650px;
    margin-inline: auto;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero .btn-light {
    background: white;
    color: var(--brand-700);
    font-weight: 700;
    box-shadow: 0 10px 30px -8px rgba(0,0,0,0.3);
}
.hero .btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px rgba(0,0,0,0.4); }

/* Decorative shapes */
.hero-shape {
    position: absolute;
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
    filter: blur(60px);
}
.hero-shape-1 { top: -10%; right: -5%; width: 380px; height: 380px; background: var(--accent-400); border-radius: 50%; }
.hero-shape-2 { bottom: -20%; left: -10%; width: 480px; height: 480px; background: var(--brand-300); border-radius: 50%; }

/* ==========================================================================
   Service / Content Cards
   ========================================================================== */

.service-card {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-elevated);
    transition: transform 350ms var(--ease-out), box-shadow 350ms var(--ease-out), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    border-color: var(--brand-200);
}

.service-card .card-img-top {
    transition: transform 600ms var(--ease-out);
}
.service-card:hover .card-img-top { transform: scale(1.05); }

.service-card .card-body { padding: 1.5rem; }

.service-card .card-title {
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-card .card-title i {
    background: var(--brand-50);
    color: var(--brand-700);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-inline-end: 0.6rem;
    font-size: 1.1rem;
}

.service-card .card-text {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-control, .form-select {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.95rem;
    font-size: 0.95rem;
    background: white;
    transition: var(--transition);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-400);
    box-shadow: 0 0 0 4px rgba(16,185,129,0.12);
    outline: none;
}

.form-control-lg { padding: 0.85rem 1.1rem; font-size: 1rem; border-radius: var(--radius-lg); }

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: 0.4rem;
    letter-spacing: -0.005em;
}

textarea.form-control { min-height: 100px; line-height: 1.6; }

.form-check-input {
    border-color: var(--border-default);
    width: 1.1em; height: 1.1em;
    margin-top: 0.25em;
}
.form-check-input:checked {
    background-color: var(--brand-600);
    border-color: var(--brand-600);
}
.form-check-input:focus {
    border-color: var(--brand-400);
    box-shadow: 0 0 0 3px rgba(16,185,129,0.18);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table {
    --bs-table-bg: transparent;
    color: var(--text-primary);
    margin-bottom: 0;
}

.table > thead {
    background: var(--bg-subtle);
}

.table > thead th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.table > tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
    font-size: 0.925rem;
}

.table > tbody tr {
    transition: background-color 150ms;
}
.table > tbody tr:hover { background: var(--bg-subtle); }

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

code {
    background: var(--bg-subtle);
    color: var(--brand-700);
    padding: 0.2em 0.55em;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    font-weight: 600;
    font-family: 'JetBrains Mono', 'Menlo', monospace;
    border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    font-weight: 600;
    padding: 0.4em 0.75em;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
}

.badge.bg-success  { background: var(--brand-50) !important; color: var(--brand-700) !important; }
.badge.bg-warning  { background: #fef3c7 !important; color: #92400e !important; }
.badge.bg-info     { background: #cffafe !important; color: #155e75 !important; }
.badge.bg-primary  { background: #dbeafe !important; color: #1e40af !important; }
.badge.bg-danger   { background: #fee2e2 !important; color: #991b1b !important; }
.badge.bg-secondary{ background: var(--gray-100) !important; color: var(--gray-700) !important; }
.badge.bg-light    { background: var(--gray-100) !important; color: var(--gray-700) !important; }
.badge.bg-dark     { background: var(--gray-900) !important; color: white !important; }

.badge.fs-6 { font-size: 0.85rem !important; padding: 0.5em 1em; }

/* ==========================================================================
   Stat Cards (dashboard)
   ========================================================================== */

.stat-card {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--bg-elevated);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-200);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
    opacity: 0.7;
}

.stat-card .card-body {
    padding: 1.4rem;
}

.stat-card h3 {
    font-size: 1.85rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.stat-card small {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-card i.fs-3, .stat-card i.fs-1 {
    opacity: 0.85;
}

[dir="rtl"] .stat-card { border: 1px solid var(--border-subtle); }
[dir="rtl"] .stat-card::before { right: 0; left: 0; }

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline {
    list-style: none;
    padding: 0;
    position: relative;
    margin: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    inset-inline-start: 12px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(to bottom, var(--brand-300), var(--border-subtle));
}

.timeline li {
    position: relative;
    padding-inline-start: 36px;
    padding-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
    content: '';
    position: absolute;
    inset-inline-start: 5px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--brand-500);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--brand-300), var(--shadow-sm);
}

.timeline li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    font-weight: 500;
    border-inline-start: 4px solid transparent;
    box-shadow: var(--shadow-sm);
}

.alert-success { background: var(--brand-50); color: var(--brand-800); border-inline-start-color: var(--brand-500); }
.alert-danger  { background: #fef2f2; color: #991b1b; border-inline-start-color: var(--danger); }
.alert-info    { background: #f0f9ff; color: #0c4a6e; border-inline-start-color: var(--info); }
.alert-warning { background: #fffbeb; color: #92400e; border-inline-start-color: var(--warning); }

/* ==========================================================================
   Accordion
   ========================================================================== */

.accordion-item {
    border: 1px solid var(--border-subtle) !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: var(--bg-elevated);
}

.accordion-item:not(:last-child) { border-bottom: 1px solid var(--border-subtle) !important; }

.accordion-button {
    font-weight: 600;
    background: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    padding: 1.1rem 1.25rem;
    box-shadow: none !important;
    transition: var(--transition);
    font-size: 1rem;
}

.accordion-button:not(.collapsed) {
    background: var(--brand-50) !important;
    color: var(--brand-800) !important;
}

.accordion-button::after { transition: var(--transition); }

/* RTL fix: flip arrow position to the start (left in RTL) and mirror it */
[dir="rtl"] .accordion-button {
    padding-right: 1.25rem;
    padding-left: 3rem;
}
[dir="rtl"] .accordion-button::after {
    margin-left: 0;
    margin-right: auto;
    transform: scaleX(-1); /* mirror so the chevron points correctly */
}
[dir="rtl"] .accordion-button:not(.collapsed)::after {
    transform: scaleX(-1) rotate(-180deg);
}

.accordion-body {
    padding: 1.25rem;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    line-height: 1.7;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    gap: 0.25rem;
}

.page-link {
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    border-radius: var(--radius-md) !important;
    padding: 0.55rem 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    background: var(--bg-elevated);
}

.page-link:hover {
    background: var(--brand-50);
    border-color: var(--brand-300);
    color: var(--brand-700);
}

.page-item.active .page-link {
    background: var(--gradient-brand);
    border-color: var(--brand-600);
    color: white;
    box-shadow: var(--shadow-md);
}

.page-item.disabled .page-link { background: var(--bg-subtle); color: var(--text-tertiary); }

/* ==========================================================================
   Footer
   ========================================================================== */

footer.bg-dark {
    background: linear-gradient(180deg, #0c1917 0%, #050a09 100%) !important;
    color: var(--gray-400) !important;
    padding: 3.5rem 0 2rem !important;
    position: relative;
    border-top: 1px solid var(--gray-800);
}

footer.bg-dark::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-400), transparent);
}

footer.bg-dark h6 {
    color: white !important;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

footer.bg-dark a {
    color: var(--gray-400) !important;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.92rem;
    font-weight: 500;
}
footer.bg-dark a:hover { color: var(--brand-300) !important; }

footer.bg-dark hr { border-color: var(--gray-800); opacity: 0.5; }

/* ==========================================================================
   Admin Sidebar — Modern dark with glass accent
   ========================================================================== */

.admin-sidebar {
    width: 260px;
    min-height: calc(100vh - 64px);
    background: linear-gradient(180deg, #1c1917 0%, #0c0a09 100%);
    color: var(--gray-400);
    padding: 1rem 0.75rem;
    position: relative;
    border-inline-end: 1px solid var(--gray-800);
}

.admin-sidebar a {
    color: var(--gray-300) !important;
    padding: 0.7rem 1rem !important;
    display: flex !important;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 0.2rem;
    font-weight: 500;
    font-size: 0.92rem;
    transition: var(--transition);
    position: relative;
}

.admin-sidebar a i {
    font-size: 1.05rem;
    color: var(--gray-500);
    transition: var(--transition);
    width: 20px;
    text-align: center;
}

.admin-sidebar a:hover {
    background: rgba(255,255,255,0.05) !important;
    color: white !important;
}
.admin-sidebar a:hover i { color: var(--brand-400); }

.admin-sidebar a.active {
    background: linear-gradient(90deg, rgba(16,185,129,0.18), rgba(16,185,129,0.04)) !important;
    color: white !important;
}
.admin-sidebar a.active i { color: var(--brand-400); }

.admin-sidebar a.active::before {
    content: '';
    position: absolute;
    inset-inline-start: 0;
    top: 25%; bottom: 25%;
    width: 3px;
    background: var(--brand-400);
    border-radius: var(--radius-full);
}

/* Admin top navbar */
nav.navbar.bg-dark {
    background: var(--gray-900) !important;
    border-bottom: 1px solid var(--gray-800);
    padding: 0.85rem 1.5rem;
    box-shadow: none;
    backdrop-filter: none;
}

nav.navbar.bg-dark .navbar-brand {
    color: white !important;
    font-weight: 700;
}
nav.navbar.bg-dark .navbar-brand i {
    background: var(--gradient-brand);
    color: white;
}

/* Admin main area */
.admin-main {
    background: var(--bg-body);
    min-height: calc(100vh - 64px);
    padding: 2rem !important;
}

.admin-main h2 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
    letter-spacing: -0.025em;
}

/* ==========================================================================
   Tabs (admin AR/EN)
   ========================================================================== */

.nav-tabs {
    border-bottom: 1px solid var(--border-subtle);
    gap: 0.25rem;
}

.nav-tabs .nav-link {
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.65rem 1.1rem;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: transparent;
    transition: var(--transition);
}

.nav-tabs .nav-link:hover {
    color: var(--brand-700);
    background: var(--brand-50);
}

.nav-tabs .nav-link.active {
    color: var(--brand-700);
    background: white;
    border-color: var(--border-subtle) var(--border-subtle) white;
    margin-bottom: -1px;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.25rem 1.5rem;
}

.modal-body { padding: 1.5rem; }

.modal-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 1rem 1.5rem;
    gap: 0.5rem;
}

/* ==========================================================================
   Article / Blog content
   ========================================================================== */

article .content { line-height: 1.85; color: var(--text-secondary); }
article .content h2, article .content h3 { color: var(--text-primary); margin-top: 2rem; margin-bottom: 1rem; }
article .content p { margin-bottom: 1.25rem; }
article .content ul, article .content ol { margin-bottom: 1.25rem; padding-inline-start: 1.5rem; }
article .content ul li { margin-bottom: 0.5rem; }
article .content img { max-width: 100%; border-radius: var(--radius-lg); margin: 1.5rem 0; box-shadow: var(--shadow-md); }
article .content code { font-size: 0.9em; }

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero h1, .hero .lead, .hero .btn { animation: fade-in-up 700ms var(--ease-out) both; }
.hero .lead { animation-delay: 100ms; }
.hero .btn  { animation-delay: 200ms; }

/* ==========================================================================
   Section spacing
   ========================================================================== */

section { scroll-margin-top: 80px; }
section h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-muted { color: var(--text-tertiary) !important; }
.text-primary { color: var(--brand-700) !important; }
.bg-white { background: var(--bg-elevated) !important; }
.border-top, .border-bottom { border-color: var(--border-subtle) !important; }

img.rounded { border-radius: var(--radius-lg) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow    { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-xl) !important; }

/* Image thumbnails — refined */
.img-thumbnail {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0;
    overflow: hidden;
    transition: var(--transition);
}
.img-thumbnail:hover { border-color: var(--brand-300); transform: scale(1.02); }

/* RTL fixes */
[dir="rtl"] .me-2 { margin-right: 0 !important; margin-left: 0.5rem !important; }
[dir="rtl"] .ms-2 { margin-left: 0 !important; margin-right: 0.5rem !important; }

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 768px) {
    .hero { padding: 4.5rem 0 4rem; }
    .hero h1 { font-size: 2rem; }
    .admin-sidebar { width: 100%; min-height: auto; }
    .stat-card h3 { font-size: 1.5rem; }
    .card-body { padding: 1.15rem; }
}