/* Optimisations UX et Responsive Avancées */

/* Variables CSS étendues */
:root {
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.6s ease;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* Améliorations de performance */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.card, .alert, .kpi-item {
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}

/* Interactions tactiles améliorées */
@media (hover: hover) {
    .card:hover {
        transform: translateY(-2px);
        transition: all var(--transition-medium);
    }
    
    .kpi-item:hover {
        background: var(--notion-border);
        transform: scale(1.02);
        transition: all var(--transition-fast);
    }
}

/* Optimisations mobile */
@media (max-width: 480px) {
    .dashboard-container {
        padding: 12px;
    }
    
    .card {
        padding: 16px;
    }
    
    .metric-value {
        font-size: 24px;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .header h1 {
        font-size: 20px;
    }
    
    .header-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* Tablette */
@media (min-width: 481px) and (max-width: 768px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop large */
@media (min-width: 1200px) {
    .dashboard-container {
        padding: 40px;
    }
    
    .grid {
        gap: 24px;
    }
}

/* Mode sombre (détection automatique) */
@media (prefers-color-scheme: dark) {
    :root {
        --notion-bg: #191919;
        --notion-text: #e9e9e7;
        --notion-text-light: #9b9a97;
        --notion-border: #373737;
        --notion-hover: #2f2f2f;
    }
    
    .card {
        background: #1f1f1f;
        border-color: var(--notion-border);
    }
    
    .kpi-item {
        background: var(--notion-hover);
    }
    
    .alert-success { background: rgba(15, 123, 15, 0.1); }
    .alert-warning { background: rgba(217, 115, 13, 0.1); }
    .alert-info { background: rgba(35, 131, 226, 0.1); }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-up {
    animation: slideInUp 0.6s ease-out;
}

.animate-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-right {
    animation: slideInRight 0.6s ease-out;
}

/* États de chargement */
.skeleton {
    background: linear-gradient(90deg, 
        var(--notion-hover) 25%, 
        var(--notion-border) 50%, 
        var(--notion-hover) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

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

/* Focus visible pour navigation clavier */
.card:focus-visible,
.kpi-item:focus-visible {
    outline: 2px solid var(--notion-blue);
    outline-offset: 2px;
}

/* Indicateurs de performance */
.performance-indicator {
    position: relative;
    overflow: hidden;
}

.performance-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.2), 
        transparent);
    transition: left 0.5s;
}

.performance-indicator:hover::after {
    left: 100%;
}

/* Tooltips */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--notion-text);
    color: var(--notion-bg);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
    z-index: 1000;
}

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

/* Micro-interactions */
.metric-value {
    transition: all var(--transition-medium);
}

.metric-value:hover {
    transform: scale(1.05);
    color: var(--notion-blue);
}

/* Optimisations print */
@media print {
    .dashboard-container {
        max-width: none;
        padding: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .chart-container {
        height: 200px;
    }
    
    .alerts-container {
        page-break-before: always;
    }
}

/* États d'erreur */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--notion-text-light);
    text-align: center;
}

.error-state .error-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Indicateurs de statut en temps réel */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-online { background: var(--notion-green); }
.status-offline { background: var(--notion-red); }
.status-loading { 
    background: var(--notion-orange);
    animation: pulse 1s infinite;
}

/* Améliorations de contraste */
@media (prefers-contrast: high) {
    :root {
        --notion-border: #000;
        --notion-text-light: #333;
    }
    
    .card {
        border-width: 2px;
    }
}