/* ============================================
   AMÉLIORATIONS DE DESIGN - Composants Modernes
   ============================================ */

/* Amélioration des cartes avec glassmorphism */
.data-grid-container,
.of-selection-container,
.tab-control {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), var(--shadow-lg);
}

/* Amélioration des boutons avec effets modernes */
.btn,
.btn-search,
.login-btn {
    position: relative;
    overflow: hidden;
    background: var(--primary-gradient);
    box-shadow: var(--shadow-md), var(--primary-glow);
}

.btn::before,
.btn-search::before,
.login-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,
.btn-search:hover::before,
.login-btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active,
.btn-search:active,
.login-btn:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
}

/* Amélioration des inputs avec focus amélioré */
.form-group input,
.of-search-group input,
.modal-form input,
.modal-form select,
.modal-form textarea {
    background: var(--white);
    border: 2px solid var(--light-gray);
    transition: var(--transition);
}

.form-group input:focus,
.of-search-group input:focus,
.modal-form input:focus,
.modal-form select:focus,
.modal-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), var(--primary-glow);
    transform: translateY(-2px);
}

/* Amélioration des onglets */
.tab-button {
    position: relative;
    overflow: hidden;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary-gradient);
    transition: var(--transition);
    border-radius: 3px 3px 0 0;
}

.tab-button.active::after {
    width: 80%;
}

.tab-button:hover {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

/* Amélioration des tableaux */
.data-grid tbody tr {
    transition: var(--transition-fast);
    position: relative;
}

.data-grid tbody tr::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--primary-gradient);
    transition: var(--transition);
    opacity: 0.1;
}

.data-grid tbody tr:hover::before {
    width: 4px;
}

.data-grid tbody tr:hover {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* Amélioration des modales */
.modal {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-2xl), var(--glass-shadow);
    animation: modalSlideUp 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.modal-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: rotate 20s linear infinite;
}

/* Amélioration des notifications */
.notification {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: notificationSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes notificationSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.notification.success {
    box-shadow: var(--shadow-lg), var(--success-glow);
}

.notification.error {
    box-shadow: var(--shadow-lg), var(--danger-glow);
}

.notification.warning {
    box-shadow: var(--shadow-lg), var(--warning-glow);
}

.notification.info {
    box-shadow: var(--shadow-lg), var(--info-glow);
}

/* Amélioration des cartes KPI */
.advanced-kpi-card {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.advanced-kpi-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-slow);
}

.advanced-kpi-card:hover::before {
    opacity: 1;
    animation: rotate 10s linear infinite;
}

.advanced-kpi-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* Amélioration du header */
.app-header {
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.app-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

/* Effets de profondeur améliorés */
.data-grid-container,
.of-selection-container,
.modal-content {
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* Responsive amélioré */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .header-actions {
        width: 100%;
    }
    
    .action-btn {
        flex: 1;
        justify-content: center;
    }
    
    .tab-control {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }
    
    .tab-button {
        scroll-snap-align: start;
        min-width: 120px;
    }
}

/* Amélioration des scrollbars */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

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

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

/* Amélioration des focus states */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Animations de chargement améliorées */
.loading-spinner {
    border: 3px solid var(--light-gray);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Amélioration des tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    animation: tooltipFadeIn 0.3s ease-out;
}

[data-tooltip]:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% - 5px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--dark);
    z-index: 1000;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Amélioration des transitions de pages */
.tab-panel {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Amélioration des badges et tags */
.badge,
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.badge:hover,
.tag:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Amélioration des séparateurs */
.separator {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--light-gray) 50%, transparent 100%);
    margin: var(--spacing-lg) 0;
}

/* Amélioration des icônes */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.icon:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.1);
}