/* ============================================================
   OBNL — Système de Gestion Intégré
   Charte : Bleu marine #1a2a6c | Doré #c9a84c | Blanc #fff | Gris #f8f9fa
   ============================================================ */

/* ─── Google Fonts Import ──────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Custom Properties ────────────────────────────────── */
:root {
    /* Palette principale */
    --primary-50:   #e8ecf7;
    --primary-100:  #c5ceea;
    --primary-200:  #9eaedd;
    --primary-300:  #748dd0;
    --primary-400:  #4f73c7;
    --primary-500:  #1a2a6c;
    --primary-600:  #162460;
    --primary-700:  #111d52;
    --primary-800:  #0d1644;
    --primary-900:  #080e30;

    /* Doré */
    --gold-50:   #fdf8ec;
    --gold-100:  #f8eacc;
    --gold-200:  #f2d799;
    --gold-300:  #e8c06a;
    --gold-400:  #d4a93e;
    --gold-500:  #c9a84c;
    --gold-600:  #a8893d;
    --gold-700:  #8a6f30;
    --gold-800:  #6d5424;
    --gold-900:  #503c18;

    /* Succès */
    --success-50:  #f0fdf4;
    --success-100: #dcfce7;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;

    /* Avertissement */
    --warning-50:  #fffbeb;
    --warning-100: #fef3c7;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Danger */
    --danger-50:  #fef2f2;
    --danger-100: #fee2e2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;

    /* Info */
    --info-50:  #eff6ff;
    --info-100: #dbeafe;
    --info-500: #3b82f6;
    --info-600: #2563eb;

    /* Neutres */
    --neutral-50:  #f8f9fa;
    --neutral-100: #f1f3f5;
    --neutral-200: #e9ecef;
    --neutral-300: #dee2e6;
    --neutral-400: #ced4da;
    --neutral-500: #adb5bd;
    --neutral-600: #6c757d;
    --neutral-700: #495057;
    --neutral-800: #343a40;
    --neutral-900: #212529;

    /* Layout */
    --sidebar-width:       260px;
    --sidebar-width-sm:    72px;
    --navbar-height:       64px;
    --content-max-width:   1280px;

    /* Spacing (8px system) */
    --space-1:  4px;
    --space-2:  8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-8:  32px;
    --space-10: 40px;
    --space-12: 48px;

    /* Typography */
    --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

    /* Radius */
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --radius-xl:  20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 12px rgba(0,0,0,.1),  0 2px 4px rgba(0,0,0,.06);
    --shadow-lg:  0 10px 32px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
    --shadow-xl:  0 24px 64px rgba(0,0,0,.16), 0 8px 16px rgba(0,0,0,.08);

    /* Transitions */
    --transition-fast:   150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow:   400ms ease;
}

/* ─── Dark Theme ────────────────────────────────────────────── */
[data-theme="dark"] {
    --bg-body:    #0f1117;
    --bg-surface: #1a1d27;
    --bg-card:    #1e2232;
    --bg-input:   #252938;
    --border-color: #2a2f45;
    --text-primary:   #f1f3f5;
    --text-secondary: #9ba3c2;
    --text-muted:     #636982;
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: .9375rem;
    line-height: 1.6;
    color: var(--neutral-900);
    background: var(--neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary-500); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-400); }

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-900);
}

/* ─── Layout Shell ──────────────────────────────────────────── */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
}

.app-main.sidebar-collapsed {
    margin-left: var(--sidebar-width-sm);
}

.app-content {
    flex: 1;
    padding: var(--space-6);
    margin-top: var(--navbar-height);
    max-width: var(--content-max-width);
    width: 100%;
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--navbar-height);
    background: #ffffff;
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    z-index: 900;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.navbar.sidebar-collapsed { left: var(--sidebar-width-sm); }

.navbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.navbar-toggle {
    width: 36px; height: 36px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 5px; cursor: pointer;
    background: none; border: none;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    padding: 0;
}
.navbar-toggle:hover { background: var(--neutral-100); }
.navbar-toggle span {
    display: block; width: 20px; height: 2px;
    background: var(--neutral-600);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar-breadcrumb {
    display: flex; align-items: center; gap: var(--space-2);
    font-size: .85rem; color: var(--neutral-500);
}
.navbar-breadcrumb .current {
    color: var(--neutral-800); font-weight: 500;
}
.navbar-breadcrumb i { font-size: .7rem; }

.navbar-right {
    display: flex; align-items: center; gap: var(--space-3);
}

/* Notification Bell */
.navbar-btn {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    background: none; border: none;
    border-radius: var(--radius-md);
    color: var(--neutral-600); cursor: pointer;
    position: relative;
    transition: background var(--transition-fast), color var(--transition-fast);
    font-size: 1rem;
}
.navbar-btn:hover {
    background: var(--neutral-100); color: var(--primary-500);
}
.notif-badge {
    position: absolute; top: 4px; right: 4px;
    width: 16px; height: 16px;
    background: var(--danger-500);
    color: #fff; font-size: .6rem; font-weight: 700;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    border: 2px solid #fff;
}

/* User Menu */
.user-menu { position: relative; }
.user-btn {
    display: flex; align-items: center; gap: var(--space-3);
    background: none; border: none; cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}
.user-btn:hover { background: var(--neutral-100); }
.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: .8rem; font-weight: 700; color: #fff;
    flex-shrink: 0;
}
.user-info { text-align: left; }
.user-name { font-size: .875rem; font-weight: 600; color: var(--neutral-800); line-height: 1.2; }
.user-role { font-size: .75rem; color: var(--neutral-500); line-height: 1; }
.user-dropdown {
    position: absolute; top: calc(100% + 8px); right: 0;
    background: #fff; border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg); padding: var(--space-2);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0; visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}
.user-dropdown.open {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--neutral-100);
    margin-bottom: var(--space-2);
}
.dropdown-header .d-name { font-size: .875rem; font-weight: 600; color: var(--neutral-800); }
.dropdown-header .d-email { font-size: .78rem; color: var(--neutral-500); }
.dropdown-item {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: .875rem; color: var(--neutral-700);
    cursor: pointer; text-decoration: none;
    transition: background var(--transition-fast);
    background: none; border: none; width: 100%; text-align: left;
}
.dropdown-item:hover { background: var(--neutral-50); color: var(--primary-500); }
.dropdown-item.danger { color: var(--danger-600); }
.dropdown-item.danger:hover { background: var(--danger-50); }
.dropdown-item i { width: 16px; text-align: center; font-size: .85rem; }
.dropdown-divider { height: 1px; background: var(--neutral-100); margin: var(--space-2) 0; }

/* ─── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0f1c4d 0%, #1a2a6c 100%);
    display: flex; flex-direction: column;
    z-index: 1000;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-width-sm); }

/* Sidebar Brand */
.sidebar-brand {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-5) var(--space-5);
    min-height: var(--navbar-height);
    border-bottom: 1px solid rgba(255,255,255,.1);
    text-decoration: none;
    flex-shrink: 0;
    overflow: hidden;
}
.brand-logo {
    width: 36px; height: 36px; flex-shrink: 0;
    background: linear-gradient(135deg, #c9a84c, #e8c96d);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: #1a2a6c;
    box-shadow: 0 4px 12px rgba(201,168,76,.3);
}
.brand-text { overflow: hidden; transition: opacity var(--transition-normal), width var(--transition-normal); }
.brand-text .brand-name { font-size: .95rem; font-weight: 700; color: #fff; white-space: nowrap; }
.brand-text .brand-sub  { font-size: .7rem; color: rgba(255,255,255,.5); white-space: nowrap; }
.sidebar.collapsed .brand-text { opacity: 0; width: 0; }

/* Sidebar Nav */
.sidebar-nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: var(--space-3) 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 2px; }

.nav-section { padding: var(--space-4) var(--space-5) var(--space-2); }
.nav-section-label {
    font-size: .65rem; font-weight: 700; letter-spacing: 1.2px;
    text-transform: uppercase; color: rgba(255,255,255,.35);
    white-space: nowrap; overflow: hidden;
    transition: opacity var(--transition-normal);
}
.sidebar.collapsed .nav-section-label { opacity: 0; }

.nav-item { padding: 0 var(--space-3); margin-bottom: 2px; }
.nav-link {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,.7);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    overflow: hidden;
}
.nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-link.active {
    background: rgba(201,168,76,.2);
    color: #e8c96d;
    font-weight: 600;
}
.nav-link.active::before {
    content: '';
    position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 60%;
    background: #c9a84c; border-radius: 0 3px 3px 0;
}
.nav-icon {
    width: 20px; height: 20px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: .95rem;
}
.nav-label {
    font-size: .875rem;
    transition: opacity var(--transition-normal);
}
.sidebar.collapsed .nav-label { opacity: 0; }
.nav-arrow {
    margin-left: auto;
    font-size: .7rem;
    transition: transform var(--transition-fast), opacity var(--transition-normal);
}
.sidebar.collapsed .nav-arrow { opacity: 0; }
.nav-link.submenu-open .nav-arrow { transform: rotate(90deg); }

/* Submenu */
.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}
.nav-submenu.open { max-height: 400px; }
.nav-subitem { padding: 0 var(--space-3) 0 var(--space-6); }
.nav-sublink {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,.55);
    text-decoration: none; font-size: .84rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.nav-sublink:hover { color: rgba(255,255,255,.9); background: rgba(255,255,255,.07); }
.nav-sublink.active { color: #e8c96d; }
.nav-sublink-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,.3);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}
.nav-sublink.active .nav-sublink-dot { background: #c9a84c; }

/* Sidebar tooltip (collapsed state) */
.sidebar.collapsed .nav-link { justify-content: center; padding: var(--space-3); }

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-4) var(--space-3);
    border-top: 1px solid rgba(255,255,255,.1);
    flex-shrink: 0;
}
.sidebar-footer .nav-link { margin: 0; }

/* ─── Page Header ────────────────────────────────────────────── */
.page-header {
    display: flex; align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap; gap: var(--space-4);
}
.page-header-left h1 {
    font-size: 1.5rem; font-weight: 700;
    color: var(--neutral-900); margin-bottom: .25rem;
}
.page-header-left p { font-size: .875rem; color: var(--neutral-500); }
.page-header-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--neutral-100);
}
.card-header h2, .card-header h3 {
    font-size: 1rem; font-weight: 600; color: var(--neutral-800);
}
.card-body { padding: var(--space-6); }
.card-footer {
    padding: var(--space-4) var(--space-6);
    background: var(--neutral-50);
    border-top: 1px solid var(--neutral-100);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: var(--space-3);
}

/* Stat Cards */
.stat-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
    display: flex; align-items: flex-start; gap: var(--space-5);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-icon {
    width: 52px; height: 52px; flex-shrink: 0;
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}
.stat-icon.blue   { background: var(--info-50);    color: var(--info-500); }
.stat-icon.gold   { background: var(--gold-50);    color: var(--gold-600); }
.stat-icon.green  { background: var(--success-50); color: var(--success-600); }
.stat-icon.red    { background: var(--danger-50);  color: var(--danger-600); }
.stat-icon.orange { background: var(--warning-50); color: var(--warning-600); }
.stat-body { flex: 1; min-width: 0; }
.stat-value {
    font-size: 1.75rem; font-weight: 700;
    color: var(--neutral-900); line-height: 1;
    margin-bottom: .25rem;
}
.stat-label { font-size: .8rem; color: var(--neutral-500); font-weight: 500; }
.stat-delta { display: flex; align-items: center; gap: .25rem; font-size: .78rem; margin-top: .5rem; }
.stat-delta.up   { color: var(--success-600); }
.stat-delta.down { color: var(--danger-600); }

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
.table {
    width: 100%; border-collapse: collapse;
    font-size: .875rem;
}
.table th {
    background: var(--neutral-50);
    padding: var(--space-3) var(--space-5);
    text-align: left;
    font-size: .75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .6px;
    color: var(--neutral-500);
    border-bottom: 2px solid var(--neutral-200);
    white-space: nowrap;
}
.table td {
    padding: var(--space-4) var(--space-5);
    color: var(--neutral-700);
    border-bottom: 1px solid var(--neutral-100);
    vertical-align: middle;
}
.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: var(--neutral-50); }
.table tbody tr:last-child td { border-bottom: none; }
.table-striped tbody tr:nth-child(even) { background: rgba(248,249,250,.6); }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .25rem .65rem;
    border-radius: var(--radius-full);
    font-size: .72rem; font-weight: 700; letter-spacing: .3px;
    text-transform: uppercase; white-space: nowrap;
}
.badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    flex-shrink: 0;
}
.badge-success { background: var(--success-50);  color: var(--success-700); }
.badge-success .badge-dot { background: var(--success-500); }
.badge-warning { background: var(--warning-50);  color: var(--warning-600); }
.badge-warning .badge-dot { background: var(--warning-500); }
.badge-danger  { background: var(--danger-50);   color: var(--danger-600); }
.badge-danger  .badge-dot { background: var(--danger-500); }
.badge-info    { background: var(--info-50);     color: var(--info-600); }
.badge-info    .badge-dot { background: var(--info-500); }
.badge-gold    { background: var(--gold-50);     color: var(--gold-700); }
.badge-gold    .badge-dot { background: var(--gold-500); }
.badge-primary { background: var(--primary-50);  color: var(--primary-500); }
.badge-primary .badge-dot { background: var(--primary-500); }
.badge-neutral { background: var(--neutral-100); color: var(--neutral-600); }

/* Statut labels */
.status-approuve  { @apply badge badge-success; }
.status-en_attente{ @apply badge badge-warning; }
.status-refuse    { @apply badge badge-danger; }
.status-traite    { @apply badge badge-info; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .55rem 1.1rem;
    border-radius: var(--radius-md);
    font-size: .875rem; font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer; border: none;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.4;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: .35rem .75rem; font-size: .8rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: 1rem; }
.btn-icon { padding: .55rem; width: 36px; height: 36px; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), #1e3799);
    color: #fff;
    box-shadow: 0 2px 8px rgba(26,42,108,.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,42,108,.4); color: #fff; }
.btn-primary:active { transform: translateY(0); }

.btn-gold {
    background: linear-gradient(135deg, var(--gold-500), #d4a93e);
    color: #fff;
    box-shadow: 0 2px 8px rgba(201,168,76,.3);
}
.btn-gold:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,.4); color: #fff; }

.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    color: #fff;
}
.btn-success:hover { transform: translateY(-1px); color: #fff; }

.btn-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    color: #fff;
}
.btn-danger:hover { transform: translateY(-1px); color: #fff; }

.btn-secondary {
    background: var(--neutral-100); color: var(--neutral-700);
    border: 1px solid var(--neutral-200);
}
.btn-secondary:hover { background: var(--neutral-200); color: var(--neutral-800); }

.btn-outline {
    background: transparent; color: var(--primary-500);
    border: 1.5px solid var(--primary-500);
}
.btn-outline:hover { background: var(--primary-500); color: #fff; }

.btn-ghost { background: none; color: var(--neutral-600); }
.btn-ghost:hover { background: var(--neutral-100); color: var(--neutral-800); }

/* ─── Forms ──────────────────────────────────────────────────── */
.form-grid { display: grid; gap: var(--space-5); }
.form-grid-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label {
    font-size: .8rem; font-weight: 600;
    color: var(--neutral-600); letter-spacing: .3px;
    text-transform: uppercase;
}
.form-label .required { color: var(--danger-500); margin-left: .2rem; }
.form-control {
    padding: .65rem .9rem;
    border: 1.5px solid var(--neutral-300);
    border-radius: var(--radius-md);
    font-size: .9375rem; font-family: var(--font-sans);
    color: var(--neutral-900);
    background: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(26,42,108,.1);
}
.form-control::placeholder { color: var(--neutral-400); }
.form-control.is-invalid { border-color: var(--danger-500); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.1); }
.form-hint { font-size: .78rem; color: var(--neutral-500); }
.form-error { font-size: .78rem; color: var(--danger-600); }

.input-group { display: flex; }
.input-group .input-prefix, .input-group .input-suffix {
    display: flex; align-items: center; padding: 0 .75rem;
    background: var(--neutral-100); border: 1.5px solid var(--neutral-300);
    color: var(--neutral-500); font-size: .875rem; white-space: nowrap;
}
.input-group .input-prefix { border-right: none; border-radius: var(--radius-md) 0 0 var(--radius-md); }
.input-group .input-suffix { border-left: none;  border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.input-group .form-control { flex: 1; border-radius: 0; }
.input-group .form-control:focus { position: relative; z-index: 1; }
.input-group .form-control:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.input-group .form-control:last-child  { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* ─── Toast Notifications ────────────────────────────────────── */
#toast-container {
    position: fixed; top: calc(var(--navbar-height) + 12px); right: 20px;
    z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
}
.toast {
    min-width: 300px; max-width: 420px;
    background: #fff; border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-500);
    padding: 14px 16px;
    display: flex; align-items: flex-start; gap: 12px;
    pointer-events: auto;
    animation: slideIn .3s ease;
}
.toast.success { border-color: var(--success-500); }
.toast.warning { border-color: var(--warning-500); }
.toast.error   { border-color: var(--danger-500);  }
.toast.info    { border-color: var(--info-500);    }
.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast.success .toast-icon { color: var(--success-500); }
.toast.warning .toast-icon { color: var(--warning-500); }
.toast.error   .toast-icon { color: var(--danger-500);  }
.toast.info    .toast-icon { color: var(--info-500);    }
.toast-body { flex: 1; }
.toast-title { font-weight: 600; font-size: .875rem; color: var(--neutral-800); }
.toast-msg   { font-size: .82rem; color: var(--neutral-500); margin-top: 2px; }
.toast-close {
    background: none; border: none; cursor: pointer;
    color: var(--neutral-400); font-size: .9rem;
    padding: 0; line-height: 1;
}
.toast-close:hover { color: var(--neutral-600); }
.toast.hiding { animation: slideOut .25s ease forwards; }
@keyframes slideIn  { from { opacity:0; transform: translateX(100%); } to { opacity:1; transform: translateX(0); } }
@keyframes slideOut { from { opacity:1; transform: translateX(0); } to { opacity:0; transform: translateX(100%); } }

/* ─── Loader ─────────────────────────────────────────────────── */
.page-loader {
    position: fixed; inset: 0;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(4px);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    z-index: 9999;
    gap: 1rem;
}
.spinner-ring {
    width: 48px; height: 48px;
    border: 4px solid var(--neutral-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text { font-size: .875rem; color: var(--neutral-500); font-weight: 500; }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination {
    display: flex; align-items: center; gap: 4px;
    list-style: none;
}
.page-link {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 36px; padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    font-size: .875rem; font-weight: 500; color: var(--neutral-600);
    text-decoration: none; cursor: pointer; background: none; border: none;
    transition: all var(--transition-fast);
}
.page-link:hover { background: var(--neutral-100); color: var(--neutral-800); }
.page-link.active { background: var(--primary-500); color: #fff; font-weight: 700; }
.page-link.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ─── Modals ─────────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(2px);
    z-index: 2000;
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.modal-backdrop.open { opacity: 1; visibility: visible; }
.modal {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, calc(-50% - 20px));
    background: #fff; border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 560px; width: calc(100% - 2rem);
    max-height: 90vh; overflow-y: auto;
    z-index: 2001;
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}
.modal.open {
    opacity: 1; visibility: visible;
    transform: translate(-50%, -50%);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--neutral-100);
}
.modal-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--neutral-900); }
.modal-close {
    width: 32px; height: 32px;
    background: none; border: none; cursor: pointer;
    color: var(--neutral-400); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--neutral-100); color: var(--neutral-700); }
.modal-body { padding: var(--space-6); }
.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--neutral-100);
    display: flex; justify-content: flex-end; gap: var(--space-3);
}

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
    display: flex; align-items: flex-start; gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: .875rem; margin-bottom: var(--space-5);
}
.alert i { flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-50); color: #166534; border: 1px solid #bbf7d0; }
.alert-warning { background: var(--warning-50); color: #92400e; border: 1px solid #fde68a; }
.alert-danger  { background: var(--danger-50);  color: #991b1b; border: 1px solid #fecaca; }
.alert-info    { background: var(--info-50);    color: #1e40af; border: 1px solid #bfdbfe; }

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
    text-align: center; padding: var(--space-12) var(--space-8);
}
.empty-state .empty-icon {
    width: 80px; height: 80px;
    background: var(--neutral-100);
    border-radius: var(--radius-full);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--neutral-400);
    margin-bottom: var(--space-5);
}
.empty-state h3 { font-size: 1.1rem; color: var(--neutral-700); margin-bottom: .5rem; }
.empty-state p  { font-size: .875rem; color: var(--neutral-500); margin-bottom: var(--space-6); }

/* ─── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: .8rem; margin-bottom: var(--space-4); }
.breadcrumb a { color: var(--neutral-500); }
.breadcrumb a:hover { color: var(--primary-500); }
.breadcrumb i { font-size: .65rem; color: var(--neutral-400); }
.breadcrumb .current { color: var(--neutral-700); font-weight: 500; }

/* ─── Tabs ───────────────────────────────────────────────────── */
.tabs { display: flex; border-bottom: 2px solid var(--neutral-200); margin-bottom: var(--space-6); gap: 0; }
.tab {
    padding: var(--space-3) var(--space-5);
    font-size: .875rem; font-weight: 500; color: var(--neutral-500);
    cursor: pointer; border: none; background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    display: flex; align-items: center; gap: .4rem;
}
.tab:hover { color: var(--neutral-700); }
.tab.active { color: var(--primary-500); border-bottom-color: var(--primary-500); font-weight: 600; }

/* ─── Footer ─────────────────────────────────────────────────── */
.app-footer {
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid var(--neutral-200);
    display: flex; align-items: center; justify-content: space-between;
    font-size: .78rem; color: var(--neutral-400);
    flex-wrap: wrap; gap: var(--space-3);
    background: #fff;
}
.app-footer a { color: var(--neutral-400); }
.app-footer a:hover { color: var(--primary-500); }

/* ─── Utilities ──────────────────────────────────────────────── */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.text-muted { color: var(--neutral-500); }
.text-sm { font-size: .875rem; }
.text-xs { font-size: .78rem; }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }
.rounded { border-radius: var(--radius-md); }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

/* Content Grid */
.content-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.content-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-6); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    :root { --sidebar-width: 240px; }
    .content-grid-2 { grid-template-columns: 1fr; }
    .content-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal), width var(--transition-normal);
        box-shadow: none;
        width: var(--sidebar-width) !important;
    }
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    .app-main { margin-left: 0 !important; }
    .navbar { left: 0 !important; }
    .mobile-overlay {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 999;
    }
    .mobile-overlay.active { display: block; }
    .app-content { padding: var(--space-4); }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
    .content-grid-3 { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; }
    .table th, .table td { padding: var(--space-3) var(--space-4); }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .login-card { padding: 1.5rem; }
    .card-body { padding: var(--space-4); }
}