/* ========================================
   STYLE PRINCIPAL - THÈME TV RÉTRO AMÉLIORÉ
   Fond noir avec texte blanc visible
   ======================================== */

:root {
    /* Couleurs principales - texte très visible sur fond noir */
    --bg-main: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --border-card: #333333;
    --border-highlight: #00d4ff;
    
    /* Texte - très visible */
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-muted: #a0a0a0;
    --text-dim: #707070;
    
    /* Couleurs d'accentuation */
    --blue-m: #4a9eff;
    --blue-f: #7c7dff;
    --purple-v: #a370f7;
    --green-vintage: #50c878;
    --pink-neon: #ff6b8b;
    --orange-retro: #ff9f43;
    
    /* Tendances */
    --trend-red: #ff4757;
    --trend-green: #2ed573;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--blue-f), var(--blue-m));
    --gradient-accent: linear-gradient(135deg, var(--pink-neon), var(--orange-retro));
    --gradient-glow: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 212, 255, 0.05));
    
    /* Animations */
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-white);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
}

/* ========================================
   CONTAINER PRINCIPAL
   ======================================== */
.dashboard-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 15px 30px;
    max-width: 1400px;
    margin: 0 auto;
}



/* ========================================
   HEADER
   ======================================== */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-card);
    margin-bottom: 15px;
}

.top-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.4;
    max-width: 500px;
}

.highlight-year {
    color: var(--blue-f);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.highlight-year:hover {
    color: var(--blue-m);
    text-decoration: underline;
}

/* Indicateurs mathématiques */
.math-indicators {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.math-indicator {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-muted);
    cursor: help;
    transition: all var(--transition-speed);
}

.math-indicator:hover {
    background: var(--border-highlight);
    color: var(--bg-main);
    border-color: var(--border-highlight);
}

/* Toggle Lab */
.toggle-lab label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 25px;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-speed);
    font-size: 13px;
}

.toggle-lab label:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
}

.toggle-lab input:checked + label {
    background: var(--border-highlight);
    color: var(--bg-main);
    border-color: var(--border-highlight);
}

/* Styles pour le Pop-up */
.stats-popup {
    position: fixed;
    display: none;
    background: rgba(10, 20, 30, 0.95);
    border: 1px solid #4a9eff;
    color: #fff;
    padding: 12px;
    border-radius: 4px;
    z-index: 10000;
    width: 280px;
    pointer-events: none;
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.4);
    font-family: 'Segoe UI', sans-serif;
}
.stats-popup h4 { 
    margin: 0 0 8px 0; 
    color: #ff6b8b; 
    text-transform: uppercase; 
    font-size: 0.9rem;
}
.calc-formula { 
    font-size: 0.75rem; 
    color: #4a9eff; 
    margin-bottom: 8px; 
    font-style: italic;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 4px;
}
.analysis-text { font-size: 0.85rem; line-height: 1.4; }
.tv-metric { cursor: help; } /* Indique que l'élément est interactif */

/* ========================================
   ZONE PRINCIPALE - GRAPHIQUES
   ======================================== */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
    padding: 10px 0;
}

.chart-navigation {
    display: flex;
    align-items: center;
    gap: 15px;
    height: 280px; /* Réduit pour être plus compact */
    position: relative;
}

/* Styles pour le graphique d'évolution */
.chart-area {
    position: relative;
    padding: 20px;
}

#chart-description {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Amélioration des lignes du graphique */
.chartjs-render-monitor {
    font-family: 'Segoe UI', Roboto, sans-serif;
}

/* Légende améliorée */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(26, 26, 26, 0.7);
    border-radius: 4px;
    font-size: 12px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* Tooltip amélioré */
.chartjs-tooltip {
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Axes améliorés */
.chartjs-scale-grid-line {
    stroke-dasharray: 3, 3;
}

.chartjs-scale-label {
    font-weight: 600;
}

#mainChart {
    width: 100% !important;
    height: 100% !important;
}



/* Flèches de navigation */
.nav-arrow {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    font-size: 16px;
}

.nav-arrow:hover {
    background: var(--border-highlight);
    color: var(--bg-main);
    border-color: var(--border-highlight);
}

/* ========================================
   LÉGENDE
   ======================================== */
.custom-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 20px;
    color: var(--text-light);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.legend-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: scale(1.05);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.dot.male { background: var(--blue-m); }
.dot.female { background: var(--pink-neon); }
.dot.neutral { background: var(--purple-v); }

/* ========================================
   BARRE DE MÉTRIQUES
   ======================================== */
.metrics-bar {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    padding: 15px 0;
    border-top: 1px solid var(--border-card);
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 10px;
    padding: 15px;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.metric-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.15);
}

.metric-trend {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
}

.trend-up {
    background: rgba(46, 213, 115, 0.15);
    color: var(--trend-green);
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.trend-down {
    background: rgba(255, 71, 87, 0.15);
    color: var(--trend-red);
    border: 1px solid rgba(255, 71, 87, 0.3);
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    margin: 8px 0 4px;
    color: var(--text-white);
    transition: all var(--transition-speed);
}

.metric-card:hover .metric-value {
    color: var(--border-highlight);
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
}

.metric-detail {
    font-size: 10px;
    color: var(--text-dim);
    margin-top: 5px;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.metric-card:hover .metric-detail {
    opacity: 1;
}

/* ========================================
   TOOLTIP
   ======================================== */
.data-tooltip {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border-highlight);
    color: var(--text-white);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    pointer-events: none;
    opacity: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    max-width: 250px;
}

/* ========================================
   SÉLECTEUR D'ANNÉE (menu déroulant)
   ======================================== */
#yearDropdownMenu {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-highlight) !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
}

#yearDropdownMenu div {
    color: var(--text-light) !important;
    padding: 10px 16px !important;
    border-radius: 6px !important;
}

#yearDropdownMenu div:hover {
    background: rgba(0, 212, 255, 0.2) !important;
}

#yearDropdownMenu div[style*="linear-gradient"] {
    background: var(--border-highlight) !important;
    color: var(--bg-main) !important;
}

/* ========================================
   FILTRES TV/RADIO
   ======================================== */
.media-filter {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.filter-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    color: var(--text-light);
}

.filter-btn.active {
    background: var(--border-highlight);
    color: var(--bg-main);
    border-color: var(--border-highlight);
}

/* ========================================
   BOUTON TOGGLE TV TEXTURE
   ======================================== */
.btn-toggle-tv-texture {
    position: fixed;
    top: 80px;
    right: 15px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--transition-speed);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-toggle-tv-texture:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    color: var(--text-light);
}

.btn-toggle-tv-texture.active {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--border-highlight);
    color: var(--border-highlight);
}

/* ========================================
   INDICATEUR DE SIGNAL TV
   ======================================== */
.tv-signal-indicator {
    position: fixed;
    bottom: 15px;
    left: 15px;
    font-family: monospace;
    font-size: 12px;
    color: var(--text-dim);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 4px;
    padding: 6px 10px;
    z-index: 1000;
}

.tv-signal-indicator::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 8px;
    background: repeating-linear-gradient(
        90deg,
        var(--trend-green) 0px,
        var(--trend-green) 3px,
        transparent 3px,
        transparent 5px
    );
    margin-right: 8px;
    animation: signalPulse 2s infinite;
}

@keyframes signalPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ========================================
   HORLOGE TV
   ======================================== */
.tv-time-display {
    position: fixed;
    top: 15px;
    right: 15px;
    font-family: monospace;
    font-size: 18px;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 4px;
    padding: 6px 12px;
    z-index: 1000;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1200px) {
    .metrics-bar {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 10px 15px;
    }
    
    .top-header h1 {
        font-size: 18px;
    }
    
    .chart-navigation {
        height: 220px;
    }
    
    .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .metric-value {
        font-size: 20px;
    }
    
    .custom-legend {
        gap: 15px;
    }
    
    .legend-item {
        padding: 5px 12px;
        font-size: 11px;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.dashboard-container {
    animation: fadeIn 0.5s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-highlight);
}

/* Selection */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-white);
}