/* --- VARIABLES --- */
:root {
    /* Couleurs */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-text-main: #e0e0e0;
    --color-text-muted: #888888;
    --color-accent-alert: #cc0000;
    --color-accent-silver: #c0c0c0; 
    
    /* Structure */
    --grid-gap: 0px;
    --border-width: 2px;
    --border-color: #2a2a2a;
    
    /* Polices */
    --font-display: 'Anton', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

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

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    font-family: var(--font-mono);
    overflow-x: hidden;
    line-height: 1.5;
    min-height: 100vh;
    cursor: crosshair;
}

/* --- EFFETS VISUELS --- */

/* Lignes de balayage (Scanlines) */
.crt-scanlines {
    position: fixed; inset: 0; pointer-events: none; z-index: 90;
    background-position: 0 0; 
    background: repeating-linear-gradient(to bottom, transparent 0px, transparent 1px, rgba(253, 0, 0, 0.2) 2px);
    background-size: 100% 4px; 
    animation: scanlines-move 6s linear infinite;
    opacity: 0.7; 
}
@keyframes scanlines-move { 
    from { background-position: 0 0; } 
    to { background-position: 0 4px; } 
}

/* Vignette (Coins sombres) */
.ui-vignette {
    position: fixed; inset: 0; pointer-events: none; z-index: 91;
    background: radial-gradient(circle, transparent 60%, rgba(0,0,0,0.4) 100%);
}

/* Bruit visuel (Grain) */
.ui-noise {
    position: fixed; inset: 0; pointer-events: none; z-index: 89;
    opacity: 0.05;
    background-image: repeating-radial-gradient(#000 0 0.0001%, #111 0 0.0002%);
    background-size: 200px 200px;
}

/* --- GRILLE (LAYOUT) --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    border: var(--border-width) solid var(--border-color);
}

.grid-item {
    position: relative;
    border-bottom: var(--border-width) solid var(--border-color);
    overflow: hidden;
}

/* Gestion des colonnes */
.span-full { grid-column: 1 / -1; }
.span-double { grid-column: span 2; }
.span-single { grid-column: span 1; }
.border-right { border-right: var(--border-width) solid var(--border-color); }

/* Utilitaires texte */
.text-alert { color: var(--color-accent-alert); }
.text-muted { color: var(--color-text-muted); }

/* --- EN-TÊTE --- */
.header-panel {
    padding: 2rem;
    background: radial-gradient(circle at top, #1a1a1a, #000);
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 0.9; margin: 0;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.panel-meta {
    display: flex; justify-content: center; gap: 2rem;
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px;
    border-bottom: 1px solid #333; padding-bottom: 1rem; margin-bottom: 1rem;
    color: var(--color-text-muted);
}

/* --- BANDEAU DÉFILANT --- */
.ticker-panel {
    background: var(--color-accent-alert);
    color: #000;
    font-family: var(--font-display);
    font-size: 1.2rem;
    padding: 0.2rem 0;
    white-space: nowrap;
    overflow: hidden;
}

.ticker-track { 
    display: inline-block; 
    animation: scroll 20s linear infinite; 
}
@keyframes scroll { 
    from {transform: translateX(0);} 
    to {transform: translateX(-50%);} 
}

/* --- JEU ET SIDEBAR --- */
.content-panel {
    padding: 2rem;
    display: flex; flex-direction: column; justify-content: flex-start;
}

/* Affichage des scores */
.data-value { font-family: var(--font-display); font-size: 3.5rem; line-height: 1; display: block; }
.data-label { font-size: 0.75rem; color: var(--color-text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 1rem;}

/* Zone du Canvas (Jeu) */
#game-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
    width: 100%;
    height: 100%;
    min-height: 400px;
    position: relative;
}

canvas {
    border: 1px solid #333;
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
    max-width: 100%; 
}

/* Instructions touches */
.controls-info {
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: 1px solid #333;
    padding-top: 1rem;
}

.key {
    display: inline-block; border: 1px solid #444; padding: 2px 6px; border-radius: 4px; color: var(--color-text-main); margin: 0 2px;
}

/* --- OVERLAYS (Superpositions) --- */
#game-over-overlay, #loading-overlay {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.9); border: 2px solid var(--color-accent-alert);
    padding: 2rem; text-align: center; z-index: 10;
}
#game-over-overlay { display: none; }
#loading-overlay { display: block; }

/* Bouton Redémarrer */
.btn-restart {
    background: var(--color-accent-alert); border: none; color: #000;
    font-family: var(--font-display); font-size: 1.5rem; padding: 0.5rem 1.5rem;
    cursor: pointer; margin-top: 1rem; text-transform: uppercase;
}
.btn-restart:hover { background: #fff; }

/* --- PIED DE PAGE --- */
.footer-panel {
    padding: 1rem 2rem; background: #050505;
    display: flex; justify-content: space-between;
    border-top: 4px solid var(--color-accent-alert);
}

/* --- BOUTON RETRO (Footer) --- */
.btn-footer-retro {
    font-family: var(--font-mono); 
    font-size: 0.9rem;
    font-weight: 700;
    
    color: var(--color-text-main, #e0e0e0); 
    background: transparent;
    text-decoration: none;
    text-transform: uppercase;
    
    padding: 0.5rem 1rem;
    
    border: 2px solid var(--color-text-main, #e0e0e0);
    box-shadow: 0 0 5px rgba(224, 224, 224, 0.4);
    
    transition: all 0.2s ease-in-out;
    display: inline-block;
}

/* Curseur clignotant */
.btn-footer-retro > span:last-child {
    font-weight: 900;
    animation: blinker 1s step-end infinite;
}

/* Survol bouton */
.btn-footer-retro:hover {
    color: var(--color-bg-primary, #000); 
    background: var(--color-accent-alert, #cc0000); 
    border-color: var(--color-accent-alert, #cc0000); 
    box-shadow: 0 0 15px var(--color-accent-alert, #cc0000); 
    transform: translateY(-2px); 
}

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

/* --- MOBILE --- */
@media (max-width: 900px) {
    .grid-container { grid-template-columns: 1fr; }
    .span-double, .span-single { grid-column: 1 / -1; }
    .border-right { border-right: none; }
}