/* ============================================
   MODERN UI 2024 - Design Ultra-Moderne Global
   ============================================ */

:root {
    /* Palette moderne - Violet/Doré luxe */
    --primary: #6B3FA0;
    --primary-light: #9B6FD0;
    --primary-dark: #4A2578;
    --secondary: #D4AF37;
    --secondary-light: #F0D878;
    --accent: #00D9C0;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Couleurs de fond */
    --bg-dark: #0a0a1a;
    --bg-dark-light: #151528;
    --bg-card: rgba(21, 21, 40, 0.7);
    
    /* Texte */
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --text-dark: #1a1a2e;
    
    /* Gradients */
    --gradient-luxury: linear-gradient(135deg, #6B3FA0 0%, #4A2578 50%, #6B3FA0 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F0D878 50%, #D4AF37 100%);
    --gradient-dark: linear-gradient(180deg, rgba(10,10,26,0.95) 0%, rgba(21,21,40,0.98) 100%);
    
    /* Ombres modernes */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-elevated: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(107, 63, 160, 0.3);
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
}

/* ============================================
   GLASSMORPHISM COMPONENTS
   ============================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.5);
    border-color: rgba(212, 175, 55, 0.3);
}

/* ============================================
   MODERN CARDS
   ============================================ */

.modern-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(107, 63, 160, 0.3);
}

/* ============================================
   MODERN FORMS & INPUTS
   ============================================ */

.modern-input {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    color: var(--text-light);
    font-size: 15px;
    transition: var(--transition-smooth);
    width: 100%;
}

.modern-input:focus {
    outline: none;
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.modern-input::placeholder {
    color: var(--text-muted);
}

.modern-select {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.modern-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

/* ============================================
   MODERN NAVIGATION
   ============================================ */

.modern-navbar {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-link-modern {
    color: var(--text-muted);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link-modern:hover {
    color: var(--text-light);
    background: rgba(107, 63, 160, 0.2);
}

.nav-link-modern.active {
    color: var(--secondary);
    background: rgba(212, 175, 55, 0.15);
}

/* ============================================
   MODERN TABLES
   ============================================ */

.modern-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.modern-table thead {
    background: var(--gradient-luxury);
}

.modern-table th {
    padding: 18px 24px;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    border: none;
}

.modern-table td {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-light);
}

.modern-table tbody tr {
    background: var(--bg-card);
    transition: var(--transition-fast);
}

.modern-table tbody tr:hover {
    background: rgba(107, 63, 160, 0.1);
    transform: scale(1.01);
}

/* ============================================
   MODERN BADGES & TAGS
   ============================================ */

.modern-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(0, 217, 192, 0.15);
    color: #00D9C0;
    border: 1px solid rgba(0, 217, 192, 0.3);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.15);
    color: #FFC107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-danger {
    background: rgba(255, 71, 87, 0.15);
    color: #FF4757;
    border: 1px solid rgba(255, 71, 87, 0.3);
}

.badge-info {
    background: rgba(30, 144, 255, 0.15);
    color: #1E90FF;
    border: 1px solid rgba(30, 144, 255, 0.3);
}

.badge-gold {
    background: rgba(212, 175, 55, 0.15);
    color: #D4AF37;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* ============================================
   MODERN SECTIONS & HERO
   ============================================ */

.section-modern {
    padding: 80px 0;
    position: relative;
}

.section-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(107, 63, 160, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-modern {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-modern::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10,10,26,0.3) 0%, rgba(10,10,26,0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(107, 63, 160, 0.4); }
    50% { box-shadow: 0 0 40px rgba(107, 63, 160, 0.6); }
}

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ============================================
   SCROLLBAR MODERNE
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ============================================
   UTILITAIRES
   ============================================ */

.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-purple {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-luxury {
    background: var(--gradient-luxury);
}

.bg-gradient-gold {
    background: var(--gradient-gold);
}

/* ============================================
   ADMIN SPECIFIC MODERN STYLES
   ============================================ */

.admin-sidebar-modern {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-card-modern {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
    transition: var(--transition-smooth);
}

.admin-card-modern:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
}

.stat-card {
    background: linear-gradient(135deg, rgba(107, 63, 160, 0.2) 0%, rgba(74, 37, 120, 0.3) 100%);
    border: 1px solid rgba(107, 63, 160, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
}

/* ============================================
   LOADING & SKELETON
   ============================================ */

.skeleton {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0.05) 25%, 
        rgba(255,255,255,0.1) 50%, 
        rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ============================================
   TOOLTIPS MODERNES
   ============================================ */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 8px 16px;
    background: var(--bg-dark);
    color: var(--text-light);
    font-size: 13px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-soft);
    z-index: 1000;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   ALERTS MODERNES
   ============================================ */

.modern-alert {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    border-left: 4px solid #00D9C0;
    background: rgba(0, 217, 192, 0.1);
}

.alert-danger {
    border-left: 4px solid #FF4757;
    background: rgba(255, 71, 87, 0.1);
}

.alert-warning {
    border-left: 4px solid #FFC107;
    background: rgba(255, 193, 7, 0.1);
}

/* ============================================
   MODALS MODERNES
   ============================================ */

.modal-modern .modal-content {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-modern .modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
}

.modal-modern .modal-body {
    padding: 24px;
}

.modal-modern .modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 24px;
}

/* ============================================
   PAGINATION MODERNE
   ============================================ */

.pagination-modern .page-link {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 10px 16px;
    margin: 0 4px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.pagination-modern .page-link:hover {
    background: rgba(107, 63, 160, 0.2);
    border-color: var(--primary);
    color: var(--text-light);
}

.pagination-modern .page-item.active .page-link {
    background: var(--gradient-luxury);
    border-color: var(--primary);
    color: var(--text-light);
}

/* ============================================
   TABS MODERNES
   ============================================ */

.tabs-modern .nav-link {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 14px 24px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tabs-modern .nav-link:hover {
    color: var(--text-light);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.tabs-modern .nav-link.active {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
    background: rgba(212, 175, 55, 0.05);
}