/* ============================================================
   GLOBAL.CSS - Backoffice
   Framework MVC PHP
   
   Sommaire :
   1. CSS Variables (Light + Dark)
   2. Reset
   3. Base & Typographie
   4. Layout (App Shell)
   5. Sidebar
   6. Header
   7. Composants (Buttons, Cards, Badges, Tables, Forms)
   8. Composants Utilities (Modal, Notification, Popup, Loader)
   9. Etats vides & Divers
   10. Classes utilitaires
   11. Animations
   12. Responsive
   ============================================================ */

/* ============================================================
   1. CSS VARIABLES
   ============================================================ */

:root {
    /* === COULEURS PRIMARY (violet par défaut, modifiable dynamiquement) === */
    --primary-50: #f5f3ff;
    --primary-100: #ede9fe;
    --primary-200: #ddd6fe;
    --primary-300: #c4b5fd;
    --primary-400: #a78bfa;
    --primary-500: #8b5cf6;
    --primary-600: #7c3aed;
    --primary-700: #6d28d9;
    --primary-800: #5b21b6;
    --primary-900: #4c1d95;

    /* === GRIS === */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* === SÉMANTIQUE === */
    --success: #22c55e;
    --success-light: #dcfce7;
    --success-dark: #16a34a;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --info-dark: #2563eb;

    /* === ESPACEMENT === */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* === TYPOGRAPHIE === */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;

    /* === BORDURES ET OMBRES === */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* === TRANSITIONS === */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* === Z-INDEX === */
    --z-dropdown: 280;
    --z-sticky: 200;
    --z-sidebar-overlay: 250;
    --z-sidebar: 260;
    --z-modal-backdrop: 300;
    --z-modal: 400;
    --z-notification: 500;
    --z-loader: 600;

    /* === LAYOUT === */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --header-height: 64px;
    --sidebar-bg: var(--gray-900);

    /* === THÈME LIGHT (défaut) === */
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-secondary: #f1f5f9;
    --bg-surface-hover: #f8fafc;
    --bg-header: #ffffff;
    --bg-input: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --scrollbar-thumb: #cbd5e1;
    --scrollbar-track: #f1f5f9;

    /* === TAG COLORS (Light) === */
    --tag-red: #f87171;
    --tag-orange: #fb923c;
    --tag-amber: #fbbf24;
    --tag-yellow: #fde047;
    --tag-lime: #a3e635;
    --tag-green: #4ade80;
    --tag-emerald: #34d399;
    --tag-teal: #2dd4bf;
    --tag-cyan: #22d3ee;
    --tag-sky: #38bdf8;
    --tag-blue: #60a5fa;
    --tag-indigo: #818cf8;
    --tag-violet: #a78bfa;
    --tag-purple: #c084fc;
    --tag-fuchsia: #e879f9;
    --tag-pink: #f472b6;
}

/* === THÈME DARK === */
[data-theme="dark"] {
    --bg-body: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-secondary: #162032;
    --bg-surface-hover: #263348;
    --bg-header: #1e293b;
    --bg-input: #162032;
    --sidebar-bg: #070b14;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-inverse: #0f172a;
    --border-color: #334155;
    --border-light: #1e293b;
    --scrollbar-thumb: #475569;
    --scrollbar-track: #1e293b;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);

    --success-light: rgba(34, 197, 94, 0.15);
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger-light: rgba(239, 68, 68, 0.15);
    --info-light: rgba(59, 130, 246, 0.15);

    /* === TAG COLORS (Dark - plus vives) === */
    --tag-red: #ef4444;
    --tag-orange: #f97316;
    --tag-amber: #f59e0b;
    --tag-yellow: #eab308;
    --tag-lime: #84cc16;
    --tag-green: #22c55e;
    --tag-emerald: #10b981;
    --tag-teal: #14b8a6;
    --tag-cyan: #06b6d4;
    --tag-sky: #0ea5e9;
    --tag-blue: #3b82f6;
    --tag-indigo: #6366f1;
    --tag-violet: #8b5cf6;
    --tag-purple: #a855f7;
    --tag-fuchsia: #d946ef;
    --tag-pink: #ec4899;
}

/* ============================================================
   2. RESET
   ============================================================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    opacity: 1; /* Override anti-FOUC inline style */
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
    color: inherit;
}

input, textarea, select {
    font: inherit;
    color: inherit;
}

table {
    border-collapse: collapse;
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================================
   3. BASE & TYPOGRAPHIE
   ============================================================ */

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }
small { font-size: var(--font-size-xs); }

::selection {
    background-color: var(--primary-500);
    color: #fff;
}

/* ============================================================
   4. LAYOUT - APP SHELL
   ============================================================ */

.app {
    display: flex;
    height: 100vh;
    width: 100%;
}

.app__main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.app__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

/* ============================================================
   5. SIDEBAR
   ============================================================ */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-sidebar-overlay);
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--gray-300);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    transition: transform var(--transition-normal);
    z-index: var(--z-sidebar);
}

.sidebar__logo {
    min-height: var(--header-height);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    gap: 2px;
}
.sidebar__logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.sidebar__logo-img {
    height: 28px;
    width: auto;
    flex-shrink: 0;
}
.sidebar__logo-text {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar__logo-sub {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-left: 1px;
}
.sidebar__logo-site {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}
.sidebar__logo-site:hover {
    color: var(--primary-400);
}
.sidebar__logo-sep {
    margin: 0 4px;
    opacity: 0.5;
}

.sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md) var(--space-sm);
}

.sidebar__menu {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

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

.sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 10px var(--space-md);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}
.sidebar__link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}
.sidebar__link i {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar__item--active > .sidebar__link {
    color: #ffffff;
    background: var(--primary-500);
}
.sidebar__item--active > .sidebar__link:hover {
    background: var(--primary-600);
}

/* Sidebar submenu (child items) */
.sidebar__link--parent {
    cursor: pointer;
    position: relative;
}
.sidebar__chevron {
    font-size: 12px;
    margin-left: auto;
    transition: transform var(--transition-fast);
}
.sidebar__item--open > .sidebar__link--parent .sidebar__chevron {
    transform: rotate(180deg);
}
.sidebar__submenu {
    display: none;
    list-style: none;
    padding: 2px 0 4px 0;
    margin: 0;
}
.sidebar__subitem {
    margin: 0;
}
.sidebar__sublink {
    display: flex;
    align-items: center;
    padding: 7px var(--space-md) 7px 52px;
    border-radius: var(--radius-md);
    color: var(--gray-400);
    font-size: var(--font-size-xs);
    font-weight: 400;
    transition: all var(--transition-fast);
    position: relative;
}
.sidebar__sublink::before {
    content: '';
    position: absolute;
    left: 32px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-600);
    transition: background var(--transition-fast);
}
.sidebar__sublink:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.04);
}
.sidebar__sublink:hover::before {
    background: var(--gray-400);
}
.sidebar__subitem--active .sidebar__sublink {
    color: var(--primary-300);
    font-weight: 500;
}
.sidebar__subitem--active .sidebar__sublink::before {
    background: var(--primary-400);
}
.sidebar__item--has-children.sidebar__item--active > .sidebar__link--parent {
    color: #ffffff;
    background: transparent;
}
.sidebar__item--has-children.sidebar__item--open > .sidebar__link--parent {
    color: #ffffff;
}

.sidebar__footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.sidebar__version {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.25);
    text-align: center;
}
.sidebar__link--active {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.06);
}

/* ============================================================
   6. HEADER
   ============================================================ */

.app__header {
    height: var(--header-height);
    min-height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.app__header-left,
.app__header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.app__menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.app__menu-toggle:hover {
    background: var(--bg-surface-secondary);
    color: var(--text-primary);
}
.app__menu-toggle i {
    font-size: var(--font-size-xl);
}

.app__user-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 12px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
    color: inherit;
    font-family: inherit;
    font-size: inherit;
}
.app__user-trigger:hover {
    background: var(--bg-surface-secondary);
}
.app__user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    object-fit: cover;
}
.app__user-avatar--placeholder {
    background: var(--primary-500);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}
.app__user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   7. COMPOSANTS
   ============================================================ */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background: var(--primary-500);
    color: #ffffff;
}
.btn--primary:hover:not(:disabled) {
    background: var(--primary-600);
}
.btn--secondary {
    background: var(--bg-surface-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn--secondary:hover:not(:disabled) {
    background: var(--bg-surface-hover);
}
.btn--success {
    background: var(--success);
    color: #ffffff;
}
.btn--success:hover:not(:disabled) {
    background: var(--success-dark);
}
.btn--danger {
    background: var(--danger);
    color: #ffffff;
}
.btn--danger:hover:not(:disabled) {
    background: var(--danger-dark);
}
.btn--warning {
    background: var(--warning);
    color: #ffffff;
}
.btn--warning:hover:not(:disabled) {
    background: var(--warning-dark);
}
.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn--ghost:hover:not(:disabled) {
    background: var(--bg-surface-secondary);
    color: var(--text-primary);
}

.btn--sm {
    padding: 6px 14px;
    font-size: var(--font-size-xs);
}
.btn--lg {
    padding: 14px 28px;
    font-size: var(--font-size-md);
}
.btn--icon {
    width: 40px;
    height: 40px;
    padding: 0;
}
.btn--icon.btn--sm {
    width: 32px;
    height: 32px;
}
.btn--block {
    width: 100%;
}
.btn--outline {
    background: transparent;
    color: var(--primary-500);
    border-color: var(--border-color);
}
.btn--outline:hover:not(:disabled) {
    background: var(--primary-50);
    border-color: var(--primary-500);
}
.btn--info {
    background: var(--info);
    color: #ffffff;
}
.btn--info:hover:not(:disabled) {
    filter: brightness(0.9);
}

/* --- Toggle (two-value switch) --- */
.btn-toggle {
    display: inline-flex;
    position: relative;
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3px;
}
.btn-toggle input[type="radio"] {
    display: none;
}
.btn-toggle__option {
    padding: 7px 18px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: calc(var(--radius-md) - 2px);
    cursor: pointer;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
    white-space: nowrap;
    position: relative;
    z-index: 1;
    user-select: none;
}
.btn-toggle__option:hover {
    color: var(--text-primary);
}
.btn-toggle input[type="radio"]:checked + .btn-toggle__option {
    color: #ffffff;
}
.btn-toggle__slider {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 3px;
    width: calc(50% - 3px);
    background: var(--primary-500);
    border-radius: calc(var(--radius-md) - 2px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 0;
    pointer-events: none;
}
.btn-toggle--right .btn-toggle__slider {
    transform: translateX(100%);
}
.btn-toggle--sm .btn-toggle__option {
    padding: 5px 14px;
    font-size: var(--font-size-xs);
}

/* --- Cards --- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}
.card:hover {
    box-shadow: var(--shadow-sm);
}
.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}
.card__title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.card__title i {
    color: var(--primary-500);
}
.card__body {
    padding: var(--space-lg);
}
.card__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
}

/* --- Page Header --- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}
.page-header__title h1 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
}
.page-header__title h1 i {
    color: var(--primary-500);
    font-size: 1.1em;
}
.page-header__subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: 4px;
}
.page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: var(--space-md);
    }
    .page-header__title h1 {
        font-size: var(--font-size-xl);
    }
    .page-header__actions {
        width: 100%;
    }
    .form-row,
    .form-row--3 {
        grid-template-columns: 1fr;
    }
    .form-group--small {
        max-width: none;
    }
    .settings-toggle {
        gap: var(--space-md);
    }
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    line-height: 1.4;
}
.badge--primary {
    background: var(--primary-100);
    color: var(--primary-700);
}
.badge--success {
    background: var(--success-light);
    color: var(--success-dark);
}
.badge--warning {
    background: var(--warning-light);
    color: var(--warning-dark);
}
.badge--danger {
    background: var(--danger-light);
    color: var(--danger-dark);
}
.badge--info {
    background: var(--info-light);
    color: var(--info-dark);
}
[data-theme="dark"] .badge--primary {
    background: rgba(139, 92, 246, 0.15);
    color: var(--primary-300);
}

/* --- Tables --- */
.table-wrapper {
    overflow-x: auto;
}
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th,
.table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
}
.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-surface-secondary);
}
.table tbody tr {
    transition: background var(--transition-fast);
}
.table tbody tr:hover {
    background: var(--bg-surface-hover);
}
.table tbody tr:last-child td {
    border-bottom: none;
}

/* --- Forms : Base --- */
.form-group {
    margin-bottom: var(--space-lg);
}
.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}
.form-label--required::after {
    content: ' *';
    color: var(--danger);
}
.form-label--section {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-md) !important;
    font-weight: 600 !important;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-sm);
}

/* --- Forms : Inputs, Selects, Textareas --- */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--bg-surface-secondary);
}
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--danger);
}
.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}
.form-textarea {
    height: auto;
    min-height: 100px;
    padding: 10px 14px;
    resize: vertical;
}
.form-select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8.825a.5.5 0 0 1-.354-.146l-4-4a.5.5 0 1 1 .708-.708L6 7.617l3.646-3.646a.5.5 0 1 1 .708.708l-4 4A.5.5 0 0 1 6 8.825z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}
.form-select--sm {
    height: 36px;
    font-size: var(--font-size-xs);
    padding: 0 32px 0 10px;
    background-position: right 10px center;
}

/* --- Forms : Help, Error, Hint --- */
.form-help {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}
.form-error {
    display: none;
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--danger);
}
.form-error.visible {
    display: block;
}

/* --- Forms : Layout (Row, Actions) --- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}
.form-row--3 {
    grid-template-columns: 1fr 1fr 1fr;
}
.form-group--grow {
    flex: 1;
}
.form-group--small {
    max-width: 120px;
}
.form-actions {
    margin-top: var(--space-lg);
    display: flex;
    gap: var(--space-sm);
}

/* --- Forms : Input with icon --- */
.form-input-icon {
    position: relative;
    display: flex;
    align-items: center;
}
.form-input-icon > i:first-child {
    position: absolute;
    left: 12px;
    color: var(--text-tertiary);
    font-size: 16px;
    pointer-events: none;
    z-index: 1;
}
.form-input-icon .form-input,
.form-input-icon .form-select {
    padding-left: 38px;
}
.form-input-icon--right .form-input {
    padding-right: 42px;
}
.form-input-toggle {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
    display: flex;
    align-items: center;
    z-index: 1;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}
.form-input-toggle:hover {
    color: var(--text-primary);
}

/* --- Forms : Input Group (prefix / append) --- */
.input-group {
    display: flex;
    align-items: stretch;
}
.input-group .form-input,
.input-group .form-select {
    flex: 1;
    min-width: 0;
}
.input-group__prefix {
    display: flex;
    align-items: center;
    padding: 0 var(--space-sm);
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-family: monospace;
    white-space: nowrap;
}
.input-group__prefix + .form-input,
.input-group__prefix + .form-select {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.input-group__append {
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}
.input-group .form-input:has(+ .input-group__append) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}
.input-group__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-md);
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-size: var(--font-size-sm);
}
.input-group__btn:hover {
    background: var(--bg-surface-hover);
    color: var(--primary-500);
}

/* --- Forms : Checkboxes, Radios --- */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-400);
    background: var(--bg-surface);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
    position: relative;
}
.form-check input[type="checkbox"] {
    border-radius: var(--radius-sm);
}
.form-check input[type="radio"] {
    border-radius: 50%;
}
.form-check input[type="checkbox"]:hover,
.form-check input[type="radio"]:hover {
    border-color: var(--primary-400);
}
.form-check input[type="checkbox"]:focus-visible,
.form-check input[type="radio"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    border-color: var(--primary-500);
}
.form-check input[type="checkbox"]:checked {
    background: var(--primary-500);
    border-color: var(--primary-500);
}
.form-check input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.form-check input[type="radio"]:checked {
    border-color: var(--primary-500);
    background: var(--bg-surface);
}
.form-check input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-500);
}
.form-check input[type="checkbox"]:disabled,
.form-check input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.form-check__label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}
.form-check__help {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.checkbox-item:hover {
    background: var(--bg-surface-hover);
}

/* --- Forms : Switch Toggle --- */
.form-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.form-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.form-switch__slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--gray-300);
    border-radius: var(--radius-full);
    transition: background var(--transition-normal);
}
.form-switch__slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: #ffffff;
    border-radius: 50%;
    transition: transform var(--transition-normal);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}
.form-switch input:checked + .form-switch__slider {
    background: var(--primary-500);
}
.form-switch input:checked + .form-switch__slider::before {
    transform: translateX(20px);
}
.form-switch input:focus-visible + .form-switch__slider {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

/* --- Forms : Settings Toggle Row --- */
.settings-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    gap: var(--space-lg);
}
.settings-toggle + .settings-toggle {
    border-top: 1px solid var(--border-color);
}
.settings-toggle__info h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 2px;
}
.settings-toggle__info h4 i {
    margin-right: var(--space-xs);
    color: var(--primary-500);
}
.settings-toggle__info p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================================
   8. COMPOSANTS UTILITIES (Modal, Notification, Popup, Loader)
   La logique JS sera dans utilities.js (Bloc 3)
   ============================================================ */

/* --- Modal --- */
/* --- Modals (inline page modals with .modal__container) --- */
/* Note: dynamic modals (Utilities.Modal) are styled in utilities.php via body > .modal */

/* Wrapper invisible par défaut, ne bloque rien */
.modal:not(.modal--active):not(.active):not(.modal--bottom-sheet) {
    pointer-events: none;
}
.modal.active,
.modal.modal--active {
    pointer-events: auto;
}

.modal .modal__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    pointer-events: none;
}
.modal.active .modal__backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal .modal__container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: var(--z-modal);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    width: calc(100% - 48px);
    max-width: 560px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    pointer-events: none;
}
.modal.active .modal__container {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.modal__container--sm { max-width: 400px; }
.modal__container--md { max-width: 560px; }
.modal__container--lg { max-width: 720px; }
.modal__container--xl { max-width: 960px; }
.modal__container--full { max-width: calc(100vw - 48px); max-height: calc(100vh - 48px); }

@media (max-width: 768px) {
    .modal .modal__container {
        width: calc(100% - 24px);
    }
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.modal__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}
.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.modal__close:hover {
    background: var(--bg-surface-secondary);
    color: var(--text-primary);
}
.modal__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}
.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    flex-wrap: wrap;
}
.modal__footer .btn {
    white-space: normal;
    min-width: 0;
}

/* --- Notification (Toast) --- */
.notification__container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-notification);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.notification {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.05);
    animation: notifSlideIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
    transition: transform 250ms ease, opacity 250ms ease;
    position: relative;
    overflow: hidden;
}
.notification--success { border-left: 3px solid var(--success); }
.notification--error   { border-left: 3px solid var(--danger); }
.notification--warning { border-left: 3px solid var(--warning); }
.notification--info    { border-left: 3px solid var(--info); }

.notification__icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    margin-top: 2px;
}
.notification--success .notification__icon { color: var(--success); }
.notification--error .notification__icon   { color: var(--danger); }
.notification--warning .notification__icon { color: var(--warning); }
.notification--info .notification__icon    { color: var(--info); }

.notification__content { flex: 1; min-width: 0; }
.notification__message {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.4;
}
.notification__close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}
.notification__close:hover {
    background: var(--bg-surface-secondary);
    color: var(--text-primary);
}

.notification.removing {
    animation: notifSlideOut 250ms cubic-bezier(0.5, 0, 0.75, 0) forwards;
}

/* --- Popup (Confirm / Alert) --- */
.popup__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity 250ms ease, visibility 250ms ease;
}
.popup__backdrop--active {
    opacity: 1;
    visibility: visible;
}

.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
    width: calc(100% - var(--space-2xl) * 2);
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1), opacity 280ms ease, visibility 280ms ease;
    z-index: var(--z-modal);
}
.popup--active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
}
.popup--closing {
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    transition-duration: 180ms;
}
.popup__icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}
.popup__icon--info { color: var(--info); }
.popup__icon--warning { color: var(--warning); }
.popup__icon--danger { color: var(--danger); }
.popup__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}
.popup__message {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}
.popup__buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}
.popup__buttons .btn {
    white-space: normal;
    min-width: 0;
    flex: 1 1 auto;
    max-width: 200px;
    text-align: center;
}

/* --- Loader Global --- */
.loader.loader--global {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: var(--z-loader);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 200ms ease, visibility 200ms ease;
    pointer-events: none;
}
.loader.loader--global.loader--active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.loader__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* Loader local (sur un élément) */
.loader.loader--local {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    opacity: 0;
    visibility: hidden;
    border-radius: inherit;
    z-index: 10;
    transition: opacity 200ms ease, visibility 200ms ease;
}
.loader.loader--local.loader--active {
    opacity: 0.85;
    visibility: visible;
}
.loader.loader--local .loader__spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid var(--border-color);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ============================================================
   9. ÉTATS VIDES & DIVERS
   ============================================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    color: var(--text-tertiary);
}
.empty-state i {
    font-size: 48px;
    margin-bottom: var(--space-md);
    opacity: 0.4;
}
.empty-state p {
    font-size: var(--font-size-sm);
}

/* --- Auth layout --- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--bg-body);
}
.auth-container {
    width: 100%;
    max-width: 420px;
}

/* --- Error layout --- */
.error-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--bg-body);
}
.error-container {
    text-align: center;
}
.error-page__code {
    font-size: 120px;
    font-weight: 800;
    line-height: 1;
    color: var(--primary-500);
    opacity: 0.15;
    margin-bottom: calc(var(--space-md) * -1);
}
.error-page__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
}
.error-page__message {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================================
   10. CLASSES UTILITAIRES
   ============================================================ */

/* Display */
.d-none { display: none !important; }
.hidden { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

/* Flexbox */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.gap-xs { gap: var(--space-xs) !important; }
.gap-sm { gap: var(--space-sm) !important; }
.gap-md { gap: var(--space-md) !important; }
.gap-lg { gap: var(--space-lg) !important; }
.gap-xl { gap: var(--space-xl) !important; }

/* Margin */
.m-0 { margin: 0 !important; }
.m-xs { margin: var(--space-xs) !important; }
.m-sm { margin: var(--space-sm) !important; }
.m-md { margin: var(--space-md) !important; }
.m-lg { margin: var(--space-lg) !important; }
.m-xl { margin: var(--space-xl) !important; }
.m-2xl { margin: var(--space-2xl) !important; }
.m-auto { margin: auto !important; }

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-xs) !important; }
.mt-sm { margin-top: var(--space-sm) !important; }
.mt-md { margin-top: var(--space-md) !important; }
.mt-lg { margin-top: var(--space-lg) !important; }
.mt-xl { margin-top: var(--space-xl) !important; }
.mt-2xl { margin-top: var(--space-2xl) !important; }

.mr-0 { margin-right: 0 !important; }
.mr-xs { margin-right: var(--space-xs) !important; }
.mr-sm { margin-right: var(--space-sm) !important; }
.mr-md { margin-right: var(--space-md) !important; }
.mr-lg { margin-right: var(--space-lg) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-xs) !important; }
.mb-sm { margin-bottom: var(--space-sm) !important; }
.mb-md { margin-bottom: var(--space-md) !important; }
.mb-lg { margin-bottom: var(--space-lg) !important; }
.mb-xl { margin-bottom: var(--space-xl) !important; }
.mb-2xl { margin-bottom: var(--space-2xl) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-xs { margin-left: var(--space-xs) !important; }
.ml-sm { margin-left: var(--space-sm) !important; }
.ml-md { margin-left: var(--space-md) !important; }
.ml-lg { margin-left: var(--space-lg) !important; }
.ml-auto { margin-left: auto !important; }

.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.mx-sm { margin-left: var(--space-sm) !important; margin-right: var(--space-sm) !important; }
.mx-md { margin-left: var(--space-md) !important; margin-right: var(--space-md) !important; }
.mx-lg { margin-left: var(--space-lg) !important; margin-right: var(--space-lg) !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-sm { margin-top: var(--space-sm) !important; margin-bottom: var(--space-sm) !important; }
.my-md { margin-top: var(--space-md) !important; margin-bottom: var(--space-md) !important; }
.my-lg { margin-top: var(--space-lg) !important; margin-bottom: var(--space-lg) !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-xs { padding: var(--space-xs) !important; }
.p-sm { padding: var(--space-sm) !important; }
.p-md { padding: var(--space-md) !important; }
.p-lg { padding: var(--space-lg) !important; }
.p-xl { padding: var(--space-xl) !important; }
.p-2xl { padding: var(--space-2xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-sm { padding-top: var(--space-sm) !important; }
.pt-md { padding-top: var(--space-md) !important; }
.pt-lg { padding-top: var(--space-lg) !important; }

.pr-0 { padding-right: 0 !important; }
.pr-sm { padding-right: var(--space-sm) !important; }
.pr-md { padding-right: var(--space-md) !important; }
.pr-lg { padding-right: var(--space-lg) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-sm { padding-bottom: var(--space-sm) !important; }
.pb-md { padding-bottom: var(--space-md) !important; }
.pb-lg { padding-bottom: var(--space-lg) !important; }

.pl-0 { padding-left: 0 !important; }
.pl-sm { padding-left: var(--space-sm) !important; }
.pl-md { padding-left: var(--space-md) !important; }
.pl-lg { padding-left: var(--space-lg) !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-sm { padding-left: var(--space-sm) !important; padding-right: var(--space-sm) !important; }
.px-md { padding-left: var(--space-md) !important; padding-right: var(--space-md) !important; }
.px-lg { padding-left: var(--space-lg) !important; padding-right: var(--space-lg) !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-sm { padding-top: var(--space-sm) !important; padding-bottom: var(--space-sm) !important; }
.py-md { padding-top: var(--space-md) !important; padding-bottom: var(--space-md) !important; }
.py-lg { padding-top: var(--space-lg) !important; padding-bottom: var(--space-lg) !important; }

/* Text */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-md { font-size: var(--font-size-md) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }
.font-light { font-weight: 300 !important; }
.font-normal { font-weight: 400 !important; }
.font-medium { font-weight: 500 !important; }
.font-semibold { font-weight: 600 !important; }
.font-bold { font-weight: 700 !important; }
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-truncate {
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

/* Background */
.bg-primary { background-color: var(--primary-500) !important; }
.bg-secondary { background-color: var(--bg-surface-secondary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-white { background-color: #ffffff !important; }
.bg-light { background-color: var(--gray-50) !important; }
.bg-dark { background-color: var(--gray-900) !important; }
.bg-transparent { background-color: transparent !important; }
.bg-surface { background-color: var(--bg-surface) !important; }

/* Border */
.border { border: 1px solid var(--border-color) !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.border-right { border-right: 1px solid var(--border-color) !important; }
.border-bottom { border-bottom: 1px solid var(--border-color) !important; }
.border-left { border-left: 1px solid var(--border-color) !important; }
.border-0 { border: 0 !important; }
.border-primary { border-color: var(--primary-500) !important; }
.border-light { border-color: var(--border-light) !important; }
.border-dark { border-color: var(--gray-700) !important; }
.rounded { border-radius: var(--radius-md) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }
.rounded-0 { border-radius: 0 !important; }

/* Dimensions */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }
.min-h-screen { min-height: 100vh !important; }
.max-w-screen { max-width: 100vw !important; }

/* Position */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }
.top-0 { top: 0 !important; }
.right-0 { right: 0 !important; }
.bottom-0 { bottom: 0 !important; }
.left-0 { left: 0 !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* ============================================================
   11. ANIMATIONS
   ============================================================ */

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes notifSlideIn {
    from {
        transform: translateX(30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes notifSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
        max-height: 100px;
        margin-bottom: var(--space-sm);
    }
    50% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
        max-height: 0;
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-fade-in { animation: fadeIn var(--transition-normal) ease; }
.animate-fade-in-up { animation: fadeInUp var(--transition-normal) ease; }
.animate-fade-in-down { animation: fadeInDown var(--transition-normal) ease; }
.animate-scale-in { animation: scaleIn var(--transition-normal) ease; }

/* ============================================================
   12. RESPONSIVE
   ============================================================ */

/* Visibility helpers */
.hidden-mobile { }
.hidden-tablet { }
.hidden-desktop { }
.show-mobile { display: none !important; }
.show-tablet { display: none !important; }
.show-desktop { display: block !important; }

/* Tablet : 768px - 1024px */
@media (min-width: 768px) and (max-width: 1024px) {
    .hidden-tablet { display: none !important; }
    .show-tablet { display: block !important; }
}

/* Mobile : < 768px */
@media (max-width: 767.98px) {
    .hidden-mobile { display: none !important; }
    .show-mobile { display: block !important; }
    .show-desktop { display: none !important; }

    /* Sidebar mobile */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }

    /* Header mobile */
    .app__menu-toggle {
        display: flex;
    }

    /* Content padding */
    .app__content {
        padding: var(--space-md);
    }

    /* Notification mobile */
    .notification__container {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
    }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1024px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    .sidebar__logo-text,
    .sidebar__logo-sub,
    .sidebar__link span,
    .sidebar__footer span {
        display: none;
    }
    .sidebar__link {
        justify-content: center;
        padding: 12px;
    }
    .sidebar__logo {
        align-items: center;
        padding: var(--space-sm);
    }
    .sidebar__logo-link {
        justify-content: center;
    }
    .sidebar__logo-img {
        height: 32px;
    }
}