/* Aiden CephaloAI - Design Premium avec Animations */
/* Effet Whaou garantie */

:root {
    /* Palette moderne */
    --primary-50: #F0F9FF;
    --primary-100: #E0F2FE;
    --primary-200: #BAE6FD;
    --primary-300: #7DD3FC;
    --primary-400: #38BDF8;
    --primary-500: #0EA5E9;
    --primary-600: #0284C7;
    --primary-700: #0369A1;

    --accent-400: #A78BFA;
    --accent-500: #8B5CF6;
    --accent-600: #7C3AED;

    /* Gradient magique */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

    /* Neutres */
    --gray-50: #FAFAFA;
    --gray-100: #F4F4F5;
    --gray-200: #E4E4E7;
    --gray-300: #D4D4D8;
    --gray-400: #A1A1AA;
    --gray-500: #71717A;
    --gray-600: #52525B;
    --gray-700: #3F3F46;
    --gray-800: #27272A;
    --gray-900: #18181B;

    /* Fonctionnelles */
    --success-500: #10B981;
    --warning-500: #F59E0B;
    --error-500: #EF4444;

    /* Espacements */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-family);

    /* Bordures */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Ombres glass-morphism */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px -10px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.3);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background animé */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(248, 113, 113, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Animated gradient orbs */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.bg-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-accent);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.bg-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--gradient-success);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(20px, 20px) scale(1.05); }
}

/* Navbar - Glass morphism */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-4) var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition);
}

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

.navbar-brand a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: transform var(--transition-bounce);
}

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

.logo-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--gray-500);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.navbar-menu {
    display: flex;
    gap: var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: inherit;
}

.nav-link:hover {
    color: white;
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link span,
.nav-link svg {
    position: relative;
    z-index: 1;
}

.nav-link.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Main Content */
.main-content {
    padding: var(--space-10) var(--space-8);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    min-height: calc(100vh - 80px);
}

/* Page Header avec animation */
.page-header {
    text-align: center;
    margin-bottom: var(--space-12);
    animation: fadeInUp 0.8s ease;
}

.page-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-dark);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

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

/* Cards avec Glass effect */
.card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Buttons - Style moderne */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary-400);
    color: var(--primary-600);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.1rem;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-lg);
}

/* Upload Zone - Design spectaculaire */
.upload-zone {
    position: relative;
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-2xl);
    padding: var(--space-20);
    text-align: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(250,250,255,0.9) 100%);
    cursor: pointer;
    transition: all var(--transition);
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: conic-gradient(
        from 0deg,
        transparent,
        rgba(139, 92, 246, 0.1),
        transparent,
        rgba(56, 189, 248, 0.1),
        transparent
    );
    animation: rotate 10s linear infinite;
    opacity: 0;
    transition: opacity var(--transition);
}

.upload-zone:hover::before,
.upload-zone.dragover::before {
    opacity: 1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-500);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.05) 0%, rgba(56, 189, 248, 0.05) 100%);
    transform: scale(1.01);
}

.upload-zone-content {
    position: relative;
    z-index: 1;
}

.upload-zone-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-6);
    color: var(--gray-400);
    transition: all var(--transition-bounce);
}

.upload-zone:hover .upload-zone-icon {
    color: var(--accent-500);
    transform: scale(1.1) translateY(-10px);
}

.upload-zone-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.upload-zone-subtitle {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.upload-zone-formats {
    display: inline-flex;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Loading Spinner - Style moderne */
.spinner {
    width: 50px;
    height: 50px;
    position: relative;
}

.spinner::before,
.spinner::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
}

.spinner::before {
    border-top-color: var(--accent-500);
    animation: spin 1s linear infinite;
}

.spinner::after {
    border-right-color: var(--primary-500);
    animation: spin 1.5s linear reverse infinite;
}

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

/* Pulse animation */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

/* Progress Bar moderne */
.progress-bar {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.4),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: inherit;
    transition: width var(--transition);
    position: relative;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.stat-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-5);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-icon-primary {
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
    color: var(--primary-600);
}

.stat-icon-success {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    color: #059669;
}

.stat-icon-accent {
    background: linear-gradient(135deg, #EDE9FE 0%, #DDD6FE 100%);
    color: var(--accent-600);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* CTA Card */
.stat-card-cta {
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-card-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.stat-card-cta:hover::before {
    transform: translateX(100%);
}

.stat-card-cta:hover {
    transform: translateY(-5px) scale(1.02);
}

.stat-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-decoration: none;
    color: white;
    gap: var(--space-2);
}

.stat-cta svg {
    width: 40px;
    height: 40px;
    transition: transform var(--transition-bounce);
}

.stat-card-cta:hover .stat-cta svg {
    transform: scale(1.2) rotate(90deg);
}

/* Tables modernes */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 var(--space-2);
}

.table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--space-4);
    background: white;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition);
}

.table tr td:first-child {
    border-left: 1px solid var(--gray-100);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.table tr td:last-child {
    border-right: 1px solid var(--gray-100);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.table tr:hover td {
    background: var(--primary-50);
    border-color: var(--primary-200);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    color: #047857;
}

.badge-warning {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    color: #B45309;
}

.badge-error {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    color: #B91C1C;
}

.badge-info {
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
    color: #1D4ED8;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-16);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    color: var(--gray-300);
    margin-bottom: var(--space-6);
}

.empty-state p {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: var(--space-6);
}

/* Footer */
.footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: var(--space-8);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-brand .logo-text {
    font-size: 1.25rem;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.875rem; }
.font-bold { font-weight: 700; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }

/* Responsive */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .upload-zone {
        padding: var(--space-10);
    }

    .upload-zone-icon {
        width: 60px;
        height: 60px;
    }

    .navbar-menu {
        display: none;
    }
}

/* Animations d'entrée */
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-in-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-in-delay-4 { animation-delay: 0.4s; opacity: 0; }