/**
 * Client Portal Styles - Location de Voitures
 * Modern, Premium, and Responsive Design
 * Features: Glassmorphism, Gradients, Animations
 */

/* ==================== VARIABLES ==================== */
:root {
    /* Primary Colors - Vibrant Gradient Palette */
    --primary-start: #6366f1;
    --primary-mid: #8b5cf6;
    --primary-end: #d946ef;
    --primary-gradient: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-mid) 50%, var(--primary-end) 100%);
    
    /* Neutral Colors */
    --bg-main: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Text Colors */
    --text-main: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Status Colors */
    --status-pending: #fbbf24;
    --status-confirmed: #10b981;
    --status-cancelled: #ef4444;
    --status-completed: #8b5cf6;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

/* Light Mode Support */
@media (prefers-color-scheme: light) {
    :root {
        --bg-main: #f8fafc;
        --bg-secondary: #f1f5f9;
        --bg-card: rgba(255, 255, 255, 0.8);
        --bg-card-hover: rgba(255, 255, 255, 0.95);
        --text-main: #0f172a;
        --text-secondary: #334155;
        --text-muted: #64748b;
        --glass-bg: rgba(255, 255, 255, 0.7);
        --glass-border: rgba(255, 255, 255, 0.9);
    }
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(217, 70, 239, 0.1) 0%, transparent 50%);
    animation: backgroundShift 20s ease infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* ==================== GLASS CARD ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.glass-card:hover::before {
    left: 100%;
}

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

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

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

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(139, 92, 246, 0.4);
}

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

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

/* Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-mid);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1), var(--shadow-glow);
    background: var(--bg-card-hover);
}

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

.form-group:focus-within .form-label {
    color: var(--primary-mid);
}

/* ==================== NAVIGATION ==================== */
.dashboard-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-brand:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

/* ==================== STATUS BADGES ==================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.status-pending {
    background: rgba(251, 191, 36, 0.15);
    color: var(--status-pending);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.status-confirmed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--status-confirmed);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.15);
    color: var(--status-cancelled);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-completed {
    background: rgba(139, 92, 246, 0.15);
    color: var(--status-completed);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* ==================== STATS CARDS ==================== */
.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    animation: slideUp 0.5s ease backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }

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

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(139, 92, 246, 0.4);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.stat-card:hover .stat-icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== TABLES ==================== */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition-fast);
}

tbody tr {
    transition: all var(--transition-fast);
}

tbody tr:hover {
    background: var(--bg-card);
}

tbody tr:hover td {
    color: var(--text-main);
}

/* ==================== ALERTS ==================== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    backdrop-filter: blur(10px);
    animation: slideInRight 0.4s ease;
}

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

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--status-confirmed);
    color: var(--status-confirmed);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--status-cancelled);
    color: var(--status-cancelled);
}

.alert-info {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--status-completed);
    color: var(--status-completed);
}

/* ==================== LOADING STATES ==================== */
.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-card) 0%, 
        var(--bg-card-hover) 50%, 
        var(--bg-card) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--primary-mid);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .dashboard-nav {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .glass-card {
        border-radius: var(--radius-md);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    th, td {
        padding: 0.75rem 1rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .dashboard-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}

/* ==================== UTILITIES ==================== */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-lift {
    transition: transform var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-mid);
    outline-offset: 2px;
}