/* ===================================
   FUITES DE DONNÉES — Thème cyber sombre
   Couleurs : noir, cyan néon, violet
   =================================== */

:root {
    --fond:       #09090f;
    --carte:      #111120;
    --bordure:    #1e1e30;
    --cyan:       #00ffff;
    --cyan-pale:  #00cccc;
    --violet:     #9933ff;
    --texte:      #dde0f5;
    --texte-gris: #5a5a80;
    --police-mono: 'JetBrains Mono', 'Courier New', monospace;
    --police-sans: 'Inter', sans-serif;
}

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

body {
    background: var(--fond);
    color: var(--texte);
    font-family: var(--police-sans);
    font-size: 14px;
    line-height: 1.6;
}

a { color: var(--cyan-pale); text-decoration: none; }
a:hover { color: var(--cyan); }

/* --- En-tête --- */
header {
    padding: 2rem 2.5rem 1.5rem;
    border-bottom: 1px solid var(--bordure);
    position: relative;
}
/* Ligne colorée tout en haut */
header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
}

h1 {
    font-family: var(--police-mono);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--cyan);
    text-shadow: 0 0 20px rgba(0,255,255,0.4);
    letter-spacing: 0.06em;
}

.sous-titre {
    margin-top: 0.4rem;
    font-size: 0.9rem;
    color: var(--texte-gris);
}

.source {
    margin-top: 0.3rem;
    font-family: var(--police-mono);
    font-size: 0.7rem;
    color: var(--texte-gris);
}

/* --- Barre de filtres --- */
.filtres {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0.8rem 2.5rem;
    background: rgba(17,17,32,0.95);
    border-bottom: 1px solid var(--bordure);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.filtre-label {
    font-family: var(--police-mono);
    font-size: 0.6rem;
    color: var(--texte-gris);
    letter-spacing: 0.15em;
    margin-right: 0.5rem;
}

.filtre-groupe {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Slider double */
.slider-conteneur {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--police-mono);
    font-size: 0.78rem;
    color: var(--cyan);
}

.double-slider {
    position: relative;
    width: 160px;
    height: 20px;
    display: flex;
    align-items: center;
}

.slider-piste {
    position: absolute;
    left: 0; right: 0;
    height: 3px;
    background: var(--carte);
    border-radius: 2px;
    border: 1px solid var(--bordure);
    pointer-events: none;
}

.slider-remplissage {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    border-radius: 2px;
}

.double-slider input[type=range] {
    position: absolute;
    width: 100%;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    pointer-events: none;
    height: 3px;
    border: none;
    outline: none;
}
.double-slider input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    pointer-events: all;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--cyan);
    border: 2px solid var(--fond);
    cursor: pointer;
    box-shadow: 0 0 8px var(--cyan);
}
.double-slider input[type=range]::-moz-range-thumb {
    pointer-events: all;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--cyan);
    border: 2px solid var(--fond);
    cursor: pointer;
}

/* Sélecteur secteur */
.selecteur {
    background: var(--carte);
    color: var(--texte);
    border: 1px solid var(--bordure);
    border-radius: 5px;
    padding: 0.35rem 1.8rem 0.35rem 0.6rem;
    font-family: var(--police-mono);
    font-size: 0.72rem;
    cursor: pointer;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%2300cccc'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
}
.selecteur:focus { border-color: var(--cyan-pale); }
.selecteur option { background: var(--carte); }

/* Bouton reset */
.bouton-reset {
    background: transparent;
    border: 1px solid var(--bordure);
    border-radius: 5px;
    color: var(--texte-gris);
    padding: 0.35rem 0.8rem;
    font-family: var(--police-mono);
    font-size: 0.68rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}
.bouton-reset:hover { color: var(--cyan); border-color: var(--cyan-pale); }

/* Statistiques */
.stats-filtres {
    display: flex;
    gap: 0.8rem;
    margin-left: auto;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--carte);
    border: 1px solid var(--bordure);
    border-radius: 5px;
    padding: 0.25rem 0.8rem;
    min-width: 75px;
}

.stat span {
    font-family: var(--police-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cyan);
}

.stat small {
    font-size: 0.58rem;
    color: var(--texte-gris);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- Contenu principal --- */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Carte de visualisation */
.carte {
    background: var(--carte);
    border: 1px solid var(--bordure);
    border-radius: 10px;
    padding: 1.2rem 1.5rem;
    position: relative;
    overflow: hidden;
}

/* Ligne de reflet en haut de chaque carte */
.carte::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.15), transparent);
}

.carte h2 {
    font-family: var(--police-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cyan-pale);
    letter-spacing: 0.18em;
}

.legende-titre {
    font-size: 0.72rem;
    color: var(--texte-gris);
    margin-top: 0.2rem;
    margin-bottom: 0.6rem;
}

/* Grille du bas : 2 colonnes */
.grille-bas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Zone où D3 insère le SVG */
.zone-graphique {
    width: 100%;
    min-height: 180px;
}

svg { display: block; width: 100%; }

/* --- Tooltip --- */
.tooltip {
    position: fixed;
    background: var(--carte);
    border: 1px solid var(--cyan-pale);
    border-radius: 6px;
    padding: 0.7rem 0.9rem;
    font-size: 0.78rem;
    max-width: 280px;
    pointer-events: none;
    opacity: 0;
    transform: translateY(5px);
    transition: opacity 0.15s, transform 0.15s;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,255,255,0.08);
    line-height: 1.7;
}
.tooltip.visible { opacity: 1; transform: translateY(0); }

.tooltip strong {
    display: block;
    font-family: var(--police-mono);
    color: var(--cyan);
    margin-bottom: 0.3rem;
    font-size: 0.82rem;
}

.tooltip .ligne {
    display: flex;
    gap: 0.5rem;
}
.tooltip .cle { color: var(--texte-gris); min-width: 68px; font-size: 0.72rem; }
.tooltip .val { font-family: var(--police-mono); font-size: 0.76rem; }
.tooltip .histoire {
    margin-top: 0.4rem;
    padding-top: 0.4rem;
    border-top: 1px solid var(--bordure);
    color: #7878a0;
    font-size: 0.72rem;
    font-style: italic;
}

/* --- Styles SVG (axes, grille, éléments) --- */
.axis text { fill: var(--texte-gris); font-family: var(--police-mono); font-size: 10px; }
.axis path, .axis line { stroke: var(--bordure); }
.grille line { stroke: rgba(255,255,255,0.03); stroke-dasharray: 3 5; }
.grille path { stroke: none; }

/* Bulles */
.bulle { cursor: pointer; transition: opacity 0.2s; }
.bulle:hover { filter: brightness(1.4); }
.bulle.attenuation { opacity: 0.08; }

/* Barres */
.barre { cursor: pointer; }
.barre:hover { filter: brightness(1.5); }

/* Arcs du donut */
.arc { cursor: pointer; transition: opacity 0.2s; }
.arc.attenuation { opacity: 0.1; }

/* Légende du donut */
.item-legende { cursor: pointer; }
.item-legende.attenuation { opacity: 0.2; }

/* Messages de chargement / erreur */
.msg-chargement, .msg-erreur, .msg-vide {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    font-family: var(--police-mono);
    font-size: 0.78rem;
}
.msg-chargement { color: var(--texte-gris); }
.msg-chargement::before { content: '▶ '; color: var(--cyan); animation: clignoter 1s step-end infinite; }
.msg-erreur { color: #ff4466; }
.msg-vide { color: var(--texte-gris); }

@keyframes clignoter { 50% { opacity: 0; } }

/* --- Pied de page --- */
footer {
    border-top: 1px solid var(--bordure);
    padding: 1rem 2.5rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.72rem;
    color: var(--texte-gris);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .grille-bas { grid-template-columns: 1fr; }
    main, .filtres, header, footer { padding-left: 1.2rem; padding-right: 1.2rem; }
    .stats-filtres { margin-left: 0; }
}

@media (max-width: 600px) {
    .filtres { position: static; flex-direction: column; align-items: flex-start; }
    h1 { font-size: 1.7rem; }
    footer { flex-direction: column; gap: 0.4rem; }
}