/* DevisFlow - Design System Moderne 2025 */

:root {
    /* Palette Couleurs Modernes - Thème Neon Professional */
    --primary-gradient: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    --primary-color: #00d4ff;
    --primary-dark: #0099ff;
    --secondary-gradient: linear-gradient(135deg, #00f2a9 0%, #00cc88 100%);
    --secondary-color: #00f2a9;
    --secondary-dark: #00cc88;

    /* Accent colors */
    --accent-purple: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
    --accent-orange: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
    --accent-pink: linear-gradient(135deg, #f472b6 0%, #ec4899 100%);

    /* Couleurs système améliorées */
    --success-color: #10b981;
    --success-gradient: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    --success-light: #d1fae5;
    --info-color: #06b6d4;
    --info-gradient: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
    --info-light: #cffafe;
    --warning-color: #f59e0b;
    --warning-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --warning-light: #fef3c7;
    --danger-color: #ef4444;
    --danger-gradient: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
    --danger-light: #fee2e2;

    /* Couleurs de fond modernes */
    --dark-color: #0f172a;
    --dark-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --light-bg: #f8fafc;
    --light-gradient: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Effets visuels modernes */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;

    /* Ombres modernes multicouches */
    --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-2xl: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
    --shadow-neon-green: 0 0 20px rgba(0, 242, 169, 0.5), 0 0 40px rgba(0, 242, 169, 0.3);

    /* Transitions fluides */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Espacements responsive */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
}

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

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light-gradient);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'kern' 1, 'liga' 1;
}

/* ==================================================
   NAVIGATION MODERNE - DESIGN PROFESSIONNEL
   ================================================== */

.navbar {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%) !important;
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.05),
        0 10px 40px rgba(0, 153, 255, 0.08),
        inset 0 -1px 0 rgba(0, 212, 255, 0.2);
    padding: 1rem 2.5rem;
    border: none;
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 212, 255, 0.3) 20%,
        rgba(0, 242, 169, 0.4) 50%,
        rgba(0, 212, 255, 0.3) 80%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.navbar:hover {
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.05),
        0 15px 50px rgba(0, 153, 255, 0.12),
        inset 0 -1px 0 rgba(0, 212, 255, 0.3);
    background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.98) 100%) !important;
}

.navbar-brand {
    font-weight: 900;
    font-size: 2.25rem;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 50%, #00f2a9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0.75rem;
    border-radius: 16px;
    position: relative;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.navbar-brand::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 242, 169, 0.1));
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.navbar-brand:hover::before {
    opacity: 1;
}

.navbar-brand:hover {
    transform: scale(1.08) translateY(-2px);
    filter: drop-shadow(0 8px 25px rgba(0, 212, 255, 0.5));
}

.navbar-brand i {
    font-size: 2rem;
    background: linear-gradient(135deg, #00d4ff 0%, #00f2a9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.6));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.6));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 25px rgba(0, 242, 169, 0.8));
    }
}

/* Navigation items */
.navbar-nav {
    gap: 0.25rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.925rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 14px;
    margin: 0;
    padding: 0.85rem 1.35rem !important;
    color: #374151 !important;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    overflow: hidden;
    background: transparent;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 242, 169, 0.08));
    border-radius: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #00f2a9);
    border-radius: 3px 3px 0 0;
    transform: translateX(-50%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link i {
    font-size: 1.1rem;
    transition: all 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    color: #6b7280;
}

.nav-link:hover {
    color: #0099ff !important;
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(0, 242, 169, 0.12));
    box-shadow:
        0 4px 12px rgba(0, 212, 255, 0.2),
        0 8px 25px rgba(0, 212, 255, 0.15);
}

.nav-link:hover i {
    transform: scale(1.2) rotate(-5deg);
    color: #00d4ff;
}

.nav-link.active {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    color: white !important;
    box-shadow:
        0 0 20px rgba(0, 212, 255, 0.5),
        0 0 40px rgba(0, 212, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.nav-link.active i {
    color: white;
    transform: scale(1.1);
}

.nav-link.active::after {
    display: none;
}

/* Cards modernes avec glassmorphism */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.card-header {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 242, 169, 0.05) 100%);
    border-bottom: 2px solid transparent;
    border-image: var(--primary-gradient) 1;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 1.25rem;
    color: var(--gray-900);
}

/* Boutons modernes avec gradients */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-neon);
    filter: brightness(1.1);
    color: white;
}

.btn-success {
    background: var(--success-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-neon-green);
    color: white;
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5), 0 0 40px rgba(239, 68, 68, 0.3);
    color: white;
}

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

.btn-info:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5), 0 0 40px rgba(6, 182, 212, 0.3);
    color: white;
}

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

.btn-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.5), 0 0 40px rgba(245, 158, 11, 0.3);
    color: white;
}

/* Boutons groupe - meilleur alignement */
.btn-group {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-group .btn {
    margin: 0;
}

.btn-group-sm .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Boutons d'action - placement amélioré */
.btn-actions {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.btn-actions .btn {
    flex-shrink: 0;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-actions .btn i {
    margin: 0;
}

/* Boutons icône */
.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-icon i {
    margin: 0;
}

/* Tables modernes */
.table {
    border-collapse: separate;
    border-spacing: 0 0.5rem;
}

.table thead th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border: none;
    font-weight: 700;
    color: var(--gray-700);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    background: white;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.table tbody tr:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.02) 0%, rgba(0, 242, 169, 0.02) 100%);
}

.table tbody td {
    border: none;
    padding: 1.25rem 1rem;
    vertical-align: middle;
}

.table tbody tr td:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.table tbody tr td:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

/* Badges modernes avec gradients */
.badge {
    border-radius: var(--border-radius-full);
    font-weight: 600;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.badge:hover {
    transform: scale(1.05);
}

.badge.bg-primary {
    background: var(--primary-gradient) !important;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.badge.bg-success {
    background: var(--success-gradient) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.badge.bg-danger {
    background: var(--danger-gradient) !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.badge.bg-warning {
    background: var(--warning-gradient) !important;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.badge.bg-info {
    background: var(--info-gradient) !important;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

/* Forms modernes */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 2px solid var(--gray-200);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1), var(--shadow-neon);
    transform: translateY(-2px);
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--border-radius);
    border: 2px solid var(--gray-100);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
    box-shadow: var(--shadow-neon);
}

/* Responsive moderne */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.5rem;
    }

    .card {
        border-radius: var(--border-radius);
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Utility classes modernes */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

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

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

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