/* ═══════════════════════════════════════════════════════════════
   LRAR NUMÉRIQUE - Design Ultra-Moderne & Élégant
   Inspiré par les services premium de certification numérique
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Palette principale - Élégance professionnelle */
    --primary: #1e40af;          /* Bleu marine profond */
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #f59e0b;           /* Ambre/Or - Certification */
    --accent-light: #fbbf24;
    --secondary: #10b981;        /* Vert succès */
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Nuances sophistiquées */
    --dark: #0f172a;             /* Slate 900 */
    --dark-800: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;

    /* Dégradés signature */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    /* Ombres élégantes */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(30, 64, 175, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(245, 158, 11, 0.4);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(10px);

    /* Espacements harmonieux */
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Typographie premium */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', system-ui, sans-serif;

    /* Animations */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f9fafb 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Effet de texture subtile */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(30, 64, 175, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ═══════════════════════════════════════════════════════════════
   TYPOGRAPHIE ÉLÉGANTE
   ═══════════════════════════════════════════════════════════════ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
    letter-spacing: -0.025em;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.75;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

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

/* Effet de soulignement animé */
a.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

a.link-underline:hover::after {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   CONTAINER & LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.container-sm {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR - Ultra-moderne avec glassmorphism
   ═══════════════════════════════════════════════════════════════ */

.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(30, 64, 175, 0.1);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.03em;
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-brand::before {
    content: '📨';
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.navbar-menu {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.navbar-link {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.8rem;
    transition: all var(--transition-base);
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    position: relative;
    white-space: nowrap;
}

.navbar-link:hover {
    color: var(--primary);
    background: rgba(30, 64, 175, 0.05);
}

.navbar-link.active {
    color: var(--primary);
    background: rgba(30, 64, 175, 0.1);
}

/* Bouton hamburger (mobile uniquement) */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar-toggle:hover span {
    background: var(--primary-dark);
}

/* Bouton fermeture (mobile uniquement) */
.navbar-close {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--gray-600);
    cursor: pointer;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.navbar-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--gray-900);
}

/* Overlay (mobile uniquement) */
.navbar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.navbar-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ═══════════════════════════════════════════════════════════════
   BOUTONS - Design premium avec animations
   ═══════════════════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-accent {
    background: var(--gradient-accent);
    color: var(--dark);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
}

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

.btn-secondary:hover {
    background: #059669;
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    color: var(--white);
    border: 1px solid var(--glass-border);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

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

.btn-danger:hover {
    background: #dc2626;
    color: var(--white);
}

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   CARDS - Design élégant avec profondeur
   ═══════════════════════════════════════════════════════════════ */

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
    border: 1px solid rgba(30, 64, 175, 0.1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    opacity: 1;
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.card-header {
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-100);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.card-body {
    padding: 0;
}

.card-footer {
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 2px solid var(--gray-100);
}

/* Card spéciale - Effet premium */
.card-premium {
    background: var(--gradient-dark);
    color: var(--white);
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
}

.card-premium .card-title {
    color: var(--white);
}

/* ═══════════════════════════════════════════════════════════════
   CONTENU MESSAGE (WYSIWYG) - Formatage du texte enrichi
   ═══════════════════════════════════════════════════════════════ */

.message-content {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.8;
    word-wrap: break-word;
}

.message-content p {
    margin-bottom: 1rem;
}

.message-content strong, .message-content b {
    font-weight: 700;
}

.message-content em, .message-content i {
    font-style: italic;
}

.message-content u {
    text-decoration: underline;
}

.message-content ul, .message-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.message-content li {
    margin-bottom: 0.5rem;
}

.message-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--gray-600);
    font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════
   FORMULAIRES - Design moderne et accessible
   ═══════════════════════════════════════════════════════════════ */

.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.625rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.125rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background: var(--white);
    color: var(--dark);
    font-family: var(--font-sans);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: var(--gray-300);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-text {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
    display: block;
}

/* Input avec icône */
.form-group-icon {
    position: relative;
}

.form-group-icon .form-control {
    padding-left: 3rem;
}

.form-group-icon::before {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    color: var(--gray-400);
    z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════
   ALERTS - Design expressif
   ═══════════════════════════════════════════════════════════════ */

.alert {
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s var(--ease-out);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert::before {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-color: var(--secondary);
    color: #065f46;
}

.alert-success::before {
    content: '✅';
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-color: var(--danger);
    color: #991b1b;
}

.alert-danger::before {
    content: '❌';
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: var(--warning);
    color: #92400e;
}

.alert-warning::before {
    content: '⚠️';
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: var(--primary);
    color: #1e40af;
}

.alert-info::before {
    content: 'ℹ️';
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION - Impact visuel maximal
   ═══════════════════════════════════════════════════════════════ */

.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Effet de particules animées */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

.hero::before {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation-delay: -5s;
}

.hero::after {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -75px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero h1 {
    color: var(--white);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s var(--ease-out);
}

.hero p {
    font-size: 1.375rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s var(--ease-out) 0.2s backwards;
}

.hero .btn {
    margin: 0 0.75rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s backwards;
}

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

/* ═══════════════════════════════════════════════════════════════
   FEATURES GRID - Design moderne avec icônes
   ═══════════════════════════════════════════════════════════════ */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin: 4rem 0;
}

.feature {
    text-align: center;
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-base);
}

.feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature h3 {
    margin-bottom: 1rem;
    color: var(--dark);
    font-size: 1.5rem;
}

.feature p {
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 0;
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD - Interface professionnelle
   ═══════════════════════════════════════════════════════════════ */

.dashboard {
    padding: 3rem 0;
}

.dashboard-header {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--primary);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card:nth-child(1) { border-color: var(--primary); }
.stat-card:nth-child(2) { border-color: var(--secondary); }
.stat-card:nth-child(3) { border-color: var(--accent); }
.stat-card:nth-child(4) { border-color: var(--danger); }

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════
   TABLE - Design moderne et lisible
   ═══════════════════════════════════════════════════════════════ */

.table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table th {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 3px solid var(--primary);
}

.table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    transition: background var(--transition-fast);
}

.table tr:hover td {
    background: var(--gray-50);
}

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

/* ═══════════════════════════════════════════════════════════════
   BADGES - Indicateurs visuels
   ═══════════════════════════════════════════════════════════════ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

.badge-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.badge-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.badge-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.badge-primary {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER - Design élégant
   ═══════════════════════════════════════════════════════════════ */

.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 3rem 0 2rem;
    margin-top: 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(59, 130, 246, 0.5) 50%,
        transparent 100%
    );
}

.footer p {
    opacity: 0.8;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer a {
    color: var(--accent-light);
    text-decoration: underline;
    transition: color var(--transition-base);
}

.footer a:hover {
    color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════
   UTILITIES - Classes utilitaires
   ═══════════════════════════════════════════════════════════════ */

/* Marges */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mt-6 { margin-top: 4rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mb-6 { margin-bottom: 4rem; }

/* Alignement */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Couleurs de texte */
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--secondary); }
.text-accent { color: var(--accent); }

/* Flexbox */
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS SPÉCIALES
   ═══════════════════════════════════════════════════════════════ */

/* Effet de pulsation pour les éléments importants */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Effet de brillance au survol */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s;
}

.shine:hover::after {
    left: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .navbar-inner {
        padding: 1rem 1.5rem;
    }

    /* Menu hamburger mobile */
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: white;
        flex-direction: column;
        gap: 0;
        align-items: stretch;
        padding: 4rem 0 2rem 0;
        box-shadow: var(--shadow-xl);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .navbar-menu.active {
        transform: translateX(0);
    }

    .navbar-close {
        display: flex;
    }

    .navbar-overlay {
        display: block;
    }

    .navbar-link {
        padding: 1rem 1.5rem;
        border-radius: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .navbar-link:hover {
        background: rgba(30, 64, 175, 0.05);
    }

    /* Forcer le texte foncé dans le menu mobile, même en mode admin */
    body.admin-ui .navbar-link {
        color: var(--gray-700) !important;
    }

    body.admin-ui .navbar-link:hover {
        color: var(--primary) !important;
        background: rgba(30, 64, 175, 0.05);
    }

    .dashboard-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero .btn {
        margin: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .container,
    .container-sm {
        padding: 0 1rem;
    }

    .card,
    .stat-card {
        padding: 1.5rem;
    }

    h1 { font-size: 2rem; }

    .navbar-brand {
        font-size: 1.5rem;
    }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE TABLES
   ═══════════════════════════════════════════════════════════════ */

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .table-responsive {
        margin: 0 -1rem;
        padding: 0 1rem;
        width: calc(100% + 2rem);
    }

    .table {
        min-width: 600px;
    }

    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }

    .table .hide-mobile {
        display: none;
    }

    .table code {
        font-size: 0.75rem !important;
        word-break: break-all;
    }

    .table .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .table {
        min-width: 500px;
    }

    .table th,
    .table td {
        padding: 0.5rem 0.35rem;
        font-size: 0.8rem;
    }
}

/* ═══════════════════════════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════════════════════════ */

@media print {
    .navbar,
    .footer,
    .btn {
        display: none;
    }

    body {
        background: white;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}

/* ═══════════════════════════════════════════════════════════════
   UI ADMIN ROSÉE - Interface spéciale administrateur
   ═══════════════════════════════════════════════════════════════ */

body.admin-ui {
    background: linear-gradient(135deg, #fff5f7 0%, #ffe9ed 50%, #ffd6dd 100%);
    background-attachment: fixed;
}

body.admin-ui::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 182, 193, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 192, 203, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 228, 225, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

body.admin-ui main {
    position: relative;
    z-index: 1;
}

body.admin-ui .navbar {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 50%, #ffb3c1 100%);
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.3);
}

body.admin-ui .navbar-brand {
    color: white !important;
    font-weight: 700;
}

body.admin-ui .navbar-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

body.admin-ui .navbar-link:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.2);
}

body.admin-ui .card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 182, 193, 0.3);
    box-shadow: 0 8px 16px rgba(255, 107, 157, 0.15);
}

body.admin-ui .card-header {
    background: linear-gradient(135deg, #ffb3c1 0%, #ffc9d4 100%);
    border-bottom: 2px solid rgba(255, 107, 157, 0.2);
}

body.admin-ui .btn-primary {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
    border-color: #ff6b9d;
}

body.admin-ui .btn-primary:hover {
    background: linear-gradient(135deg, #ff5085 0%, #ff7899 100%);
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.4);
}

body.admin-ui .alert-info {
    background: rgba(255, 192, 203, 0.2);
    border-color: rgba(255, 107, 157, 0.3);
    color: #c2185b;
}

body.admin-ui .badge-primary {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
}

/* Badge Admin avec style rosé */
body.admin-ui .badge-warning {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
    color: white;
    font-weight: 700;
}

body.admin-ui .admin-table-container {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
}

body.admin-ui .table thead {
    background: linear-gradient(135deg, #ffb3c1 0%, #ffc9d4 100%);
}

body.admin-ui .table thead th {
    color: #c2185b;
    font-weight: 700;
}

body.admin-ui .table tbody tr:hover {
    background: rgba(255, 192, 203, 0.1);
}

/* Effet de brillance rosée sur les cards admin */
body.admin-ui .card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b9d, #ff8fab, #ffb3c1, #ff8fab, #ff6b9d);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================
   SYSTÈME DE RECHERCHE ET TRI DES TABLEAUX
   ========================================== */

/* Barre de recherche au-dessus des tableaux */
.table-search-container {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-search-input {
    flex: 1;
    max-width: 400px;
    padding: 0.75rem 1rem;
    padding-left: 2.5rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: all var(--transition-base);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.35-4.35'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    background-size: 18px;
}

.table-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.table-search-info {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* En-têtes de colonnes triables */
th.sortable {
    position: relative;
    cursor: pointer !important;
    user-select: none;
    transition: background-color 0.15s ease;
}

th.sortable:hover {
    background-color: rgba(30, 64, 175, 0.05);
}

th.sortable.sorted {
    background-color: rgba(30, 64, 175, 0.08);
    color: var(--primary);
    font-weight: 700;
}

/* Icône de tri */
.sort-icon {
    display: inline-block;
    margin-left: 0.25rem;
    opacity: 0.5;
    font-size: 0.875rem;
    transition: opacity 0.15s ease;
}

th.sortable:hover .sort-icon {
    opacity: 1;
}

th.sorted .sort-icon {
    opacity: 1;
    color: var(--primary);
}

/* Message "Aucun résultat" */
tr.no-results-row td {
    text-align: center !important;
    padding: 3rem !important;
    color: var(--gray-500) !important;
    font-size: 1rem;
}

/* Responsive : recherche mobile */
@media (max-width: 768px) {
    .table-search-container {
        flex-direction: column;
        align-items: stretch;
    }

    .table-search-input {
        max-width: 100%;
    }

    .table-search-info {
        text-align: center;
    }
}

/* Mode admin : ajustements pour l'UI rosée */
body.admin-ui th.sortable:hover {
    background-color: rgba(255, 107, 157, 0.05);
}

body.admin-ui th.sortable.sorted {
    background-color: rgba(255, 107, 157, 0.1);
    color: #c2185b;
}

body.admin-ui th.sorted .sort-icon {
    color: #c2185b;
}

/* ═══════════════════════════════════════════════════════════════
   MODE SOMBRE - Dark Theme
   ═══════════════════════════════════════════════════════════════ */

/* Variables du mode sombre */
[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;

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

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 50%, #93c5fd 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #e2e8f0;
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.9);
    border-bottom-color: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
}

[data-theme="dark"] .navbar-brand {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .navbar-link {
    color: #cbd5e1;
}

[data-theme="dark"] .navbar-link:hover {
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .card {
    background: #1e293b;
    border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .card-header {
    border-bottom-color: #334155;
}

[data-theme="dark"] .card-footer {
    border-top-color: #334155;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: #f1f5f9;
}

[data-theme="dark"] .form-control {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .form-control::placeholder {
    color: #64748b;
}

[data-theme="dark"] .btn-outline {
    border-color: #60a5fa;
    color: #60a5fa;
}

[data-theme="dark"] .btn-outline:hover {
    background: #60a5fa;
    color: #0f172a;
}

[data-theme="dark"] .alert-info {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.5) 0%, rgba(30, 64, 175, 0.4) 100%);
    border-color: #3b82f6;
    color: #93c5fd;
}

[data-theme="dark"] .alert-success {
    background: linear-gradient(135deg, rgba(6, 78, 59, 0.5) 0%, rgba(4, 120, 87, 0.4) 100%);
    border-color: #10b981;
    color: #6ee7b7;
}

[data-theme="dark"] .alert-warning {
    background: linear-gradient(135deg, rgba(120, 53, 15, 0.5) 0%, rgba(146, 64, 14, 0.4) 100%);
    border-color: #f59e0b;
    color: #fcd34d;
}

[data-theme="dark"] .alert-danger {
    background: linear-gradient(135deg, rgba(127, 29, 29, 0.5) 0%, rgba(153, 27, 27, 0.4) 100%);
    border-color: #ef4444;
    color: #fca5a5;
}

[data-theme="dark"] .table {
    background: #1e293b;
}

[data-theme="dark"] .table th {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-color: #3b82f6;
}

[data-theme="dark"] .table td {
    border-color: #334155;
    color: #cbd5e1;
}

[data-theme="dark"] .table tr:hover td {
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .badge-primary {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.8) 0%, rgba(59, 130, 246, 0.7) 100%);
    color: #e0f2fe;
}

[data-theme="dark"] .text-muted {
    color: #94a3b8;
}

[data-theme="dark"] .footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

[data-theme="dark"] code {
    background: #0f172a;
    border: 1px solid #334155;
    color: #93c5fd;
}

[data-theme="dark"] .stat-card {
    background: #1e293b;
}

[data-theme="dark"] .feature {
    background: #1e293b;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
}

[data-theme="dark"] .dashboard-header {
    background: #1e293b;
    border-color: #3b82f6;
}

/* Toggle du mode sombre */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-base);
    color: var(--gray-600);
    margin-left: 0.5rem;
    order: 100; /* Force à la fin du menu */
}

.theme-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

[data-theme="dark"] .theme-toggle {
    color: #fbbf24;
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(251, 191, 36, 0.1);
}

/* Icône par défaut (mode clair) : lune */
.theme-toggle::before {
    content: '🌙';
}

/* Icône mode sombre : soleil */
[data-theme="dark"] .theme-toggle::before {
    content: '☀️';
}

/* Responsive mobile menu sombre */
@media (max-width: 768px) {
    [data-theme="dark"] .navbar-menu {
        background: #1e293b;
    }

    [data-theme="dark"] .navbar-link {
        border-bottom-color: rgba(59, 130, 246, 0.1);
    }

    [data-theme="dark"] .navbar-close {
        color: #cbd5e1;
    }
}