/* ═══════════════════════════════════════════════════════════════
   DVC RUSH - Styles Globaux
   Esthétique : DA VIKING CODE Brand Identity
   Couleurs : Middle Yellow / Jet / Pure White
   ═══════════════════════════════════════════════════════════════ */

/* Font Aeonik - DVC Brand Font */
@font-face {
    font-family: 'Aeonik';
    src: url('aeonik-/Aeonik-Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Aeonik';
    src: url('aeonik-/Aeonik-Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Aeonik';
    src: url('aeonik-/Aeonik-Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Aeonik';
    src: url('aeonik-/Aeonik-Black.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
}

@font-face {
    font-family: 'Aeonik';
    src: url('aeonik-/Aeonik-Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
}

:root {
    /* Palette DVC Brand - Middle Yellow / Jet / Pure White */
    --dvc-yellow: #FCBF16;
    --dvc-jet: #1A1A1A;
    --dvc-white: #FFFFFF;
    --dvc-dark: #0D0D0D;
    
    /* Backgrounds */
    --bg-dark: #0a0a0a;
    --bg-gradient-1: #111111;
    --bg-gradient-2: #1a1a1a;
    
    /* Couleurs d'accent basées sur DVC */
    --neon-cyan: #00f5ff;
    --neon-magenta: #ff00aa;
    --neon-gold: #FCBF16;
    --neon-green: #00ff88;
    --neon-red: #ff3366;
    --neon-purple: #aa44ff;
    
    /* Couleurs de jeu - DVC themed */
    --lane-1: #FCBF16;
    --lane-2: #00f5ff;
    --lane-3: #ff00aa;
    
    /* Texte */
    --text-primary: #ffffff;
    --text-secondary: #aab8c2;
    --text-glow: rgba(252, 191, 22, 0.8);
    
    /* Fonts - Aeonik (DVC Brand) + Pixel */
    --font-display: 'Press Start 2P', 'Orbitron', monospace;
    --font-viking: 'Aeonik', 'Orbitron', sans-serif;
    --font-body: 'Aeonik', 'Rajdhani', sans-serif;
    
    /* Timings */
    --transition-fast: 0.15s;
    --transition-medium: 0.3s;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════
   ÉCRANS DE BASE
   ═══════════════════════════════════════════════════════════════ */

.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-dark) 50%, var(--bg-gradient-2) 100%);
}

.screen.active {
    display: flex;
    opacity: 1;
    z-index: 10;
}

/* Pattern de fond animé - Style Runes Viking */
.screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(252, 191, 22, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(252, 191, 22, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    pointer-events: none;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

/* ═══════════════════════════════════════════════════════════════
   ÉCRAN DE CHARGEMENT
   ═══════════════════════════════════════════════════════════════ */

#loading-screen {
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loader-container {
    text-align: center;
}

/* Logo DVC sur l'écran de chargement */
.dvc-loading-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

.loading-da, .loading-code {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--dvc-white);
    letter-spacing: 0.3em;
    opacity: 0.8;
}

.loading-viking {
    font-family: var(--font-viking);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow), 2px 2px 0 var(--dvc-jet);
    letter-spacing: 0.05em;
}

.viking-loader {
    animation: vikingSpin 2s ease-in-out infinite;
}

.viking-loader .viking-ship-icon {
    width: 100px;
    height: 100px;
    filter: invert(1) sepia(1) saturate(5) hue-rotate(10deg) brightness(1.1) drop-shadow(0 0 15px var(--dvc-yellow));
}

@keyframes vikingSpin {
    0%, 100% { transform: rotate(-5deg) scale(1); }
    50% { transform: rotate(5deg) scale(1.1); }
}

/* Icône Viking Ship SVG */
.viking-ship-icon {
    filter: invert(1) sepia(1) saturate(5) hue-rotate(10deg) brightness(1.1) drop-shadow(0 0 10px var(--dvc-yellow));
}

.loading-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.8rem;
    margin: 1.5rem 0;
    letter-spacing: 0.2em;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow);
}

.loading-bar {
    width: 300px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--dvc-yellow);
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    width: 0%;
    background: var(--dvc-yellow);
    box-shadow: 0 0 10px var(--dvc-yellow);
    animation: loadingFill 2s ease-out forwards;
}

@keyframes loadingFill {
    to { width: 100%; }
}

/* ═══════════════════════════════════════════════════════════════
   MENU PRINCIPAL - DVC Brand Style
   ═══════════════════════════════════════════════════════════════ */

#menu-screen {
    flex-direction: column;
}

#menu-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Bande jaune DVC signature en bas */
.dvc-brand-stripe {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--dvc-yellow);
    z-index: 100;
    box-shadow: 0 0 20px var(--dvc-yellow), 0 0 40px rgba(252, 191, 22, 0.5);
}

.menu-overlay {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
}

.logo-container {
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Symbole Viking Ship */
.dvc-logo-symbol {
    margin-bottom: 1rem;
    animation: symbolFloat 3s ease-in-out infinite;
}

.dvc-logo-symbol .viking-ship-icon {
    width: 80px;
    height: 80px;
    filter: invert(1) sepia(1) saturate(5) hue-rotate(10deg) brightness(1.1) drop-shadow(0 0 20px var(--dvc-yellow)) drop-shadow(0 0 40px rgba(252, 191, 22, 0.5));
}

@keyframes symbolFloat {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-8px) rotate(3deg); }
}

.game-title {
    font-family: var(--font-viking);
    font-size: clamp(1.2rem, 4vw, 2rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 0.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Style "DA" - Pixel/Retro */
.title-da {
    font-family: 'Press Start 2P', monospace;
    font-size: clamp(0.6rem, 2vw, 0.9rem);
    color: var(--dvc-white);
    letter-spacing: 0.3em;
    opacity: 0.8;
}

/* Style "VIKING" - Tranchant, énergique */
.title-viking {
    font-family: var(--font-viking);
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: 900;
    color: var(--dvc-yellow);
    text-shadow: 
        0 0 10px var(--dvc-yellow),
        0 0 30px var(--dvc-yellow),
        0 0 60px rgba(252, 191, 22, 0.5),
        3px 3px 0 var(--dvc-jet);
    letter-spacing: 0.05em;
    animation: vikingGlow 2s ease-in-out infinite alternate;
}

/* Style "CODE" - Pixel/Retro */
.title-code {
    font-family: 'Press Start 2P', monospace;
    font-size: clamp(0.6rem, 2vw, 0.9rem);
    color: var(--dvc-white);
    letter-spacing: 0.3em;
    opacity: 0.8;
}

/* Sous-titre RUSH */
.game-subtitle {
    font-family: var(--font-viking);
    font-size: clamp(1.5rem, 6vw, 3rem);
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 10px var(--neon-cyan),
        0 0 30px var(--neon-cyan);
    letter-spacing: 0.2em;
    margin-top: 0.5rem;
}

@keyframes vikingGlow {
    from { filter: brightness(1); text-shadow: 0 0 10px var(--dvc-yellow), 0 0 30px var(--dvc-yellow), 3px 3px 0 var(--dvc-jet); }
    to { filter: brightness(1.2); text-shadow: 0 0 20px var(--dvc-yellow), 0 0 50px var(--dvc-yellow), 0 0 80px rgba(252, 191, 22, 0.5), 3px 3px 0 var(--dvc-jet); }
}

.tagline {
    font-family: 'Press Start 2P', monospace;
    font-size: clamp(0.5rem, 1.5vw, 0.7rem);
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* Boutons du menu */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

.menu-btn {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    font-weight: 400;
    padding: 1rem 2rem;
    border: 2px solid var(--dvc-yellow);
    background: rgba(252, 191, 22, 0.05);
    color: var(--text-primary);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-width: 280px;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(252, 191, 22, 0.3), transparent);
    transition: left 0.5s;
}

.menu-btn:hover {
    border-color: var(--dvc-yellow);
    background: rgba(252, 191, 22, 0.15);
    transform: translateX(5px);
    box-shadow: 
        0 0 20px rgba(252, 191, 22, 0.4),
        inset 0 0 20px rgba(252, 191, 22, 0.1);
    color: var(--dvc-yellow);
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn.primary {
    border-color: var(--dvc-yellow);
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.2), rgba(252, 191, 22, 0.1));
    color: var(--dvc-yellow);
}

.menu-btn.primary:hover {
    border-color: var(--dvc-yellow);
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.4), rgba(252, 191, 22, 0.3));
    box-shadow: 
        0 0 30px rgba(252, 191, 22, 0.6),
        inset 0 0 30px rgba(252, 191, 22, 0.2);
}

.btn-icon {
    font-size: 1rem;
    color: var(--dvc-yellow);
}

/* Indice des contrôles */
.controls-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
}

.keys-row {
    display: flex;
    gap: 0.5rem;
}

.key {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Press Start 2P', monospace;
    font-size: 1rem;
    font-weight: 400;
    background: linear-gradient(180deg, rgba(252, 191, 22, 0.2), rgba(252, 191, 22, 0.05));
    border: 2px solid var(--dvc-yellow);
    border-radius: 6px;
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.5), 0 0 15px rgba(252, 191, 22, 0.3);
    color: var(--dvc-yellow);
}

/* ═══════════════════════════════════════════════════════════════
   CONTRÔLES AUDIO - Menu
   ═══════════════════════════════════════════════════════════════ */

.audio-controls {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    z-index: 50;
}

.audio-btn {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(252, 191, 22, 0.1);
    border: 2px solid var(--dvc-yellow);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.audio-btn:hover {
    background: rgba(252, 191, 22, 0.3);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(252, 191, 22, 0.5);
}

.audio-btn.muted {
    border-color: var(--neon-red);
    opacity: 0.6;
}

.audio-icon {
    font-size: 1.5rem;
}

.volume-slider-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 120px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--dvc-yellow);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(252, 191, 22, 0.5);
    transition: all var(--transition-fast);
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(252, 191, 22, 0.8);
}

.volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--dvc-yellow);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(252, 191, 22, 0.5);
}

.volume-value {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    color: var(--dvc-yellow);
    min-width: 40px;
    text-align: right;
}

/* ═══════════════════════════════════════════════════════════════
   CONTRÔLES AUDIO - In-Game (compact)
   ═══════════════════════════════════════════════════════════════ */

.audio-controls-game {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(252, 191, 22, 0.3);
    border-radius: 6px;
    pointer-events: auto;
}

.audio-btn-small {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(252, 191, 22, 0.1);
    border: 1px solid var(--dvc-yellow);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.audio-btn-small:hover {
    background: rgba(252, 191, 22, 0.3);
}

.audio-btn-small .audio-icon {
    font-size: 1rem;
}

.audio-btn-small.muted {
    border-color: var(--neon-red);
    opacity: 0.6;
}

.volume-slider-small {
    -webkit-appearance: none;
    appearance: none;
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.volume-slider-small::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--dvc-yellow);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(252, 191, 22, 0.5);
}

.volume-slider-small::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--dvc-yellow);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.hint-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   TUTORIEL
   ═══════════════════════════════════════════════════════════════ */

#tutorial-screen {
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow-y: auto;
}

.tutorial-container {
    max-width: 900px;
    width: 100%;
    z-index: 1;
}

.screen-title {
    font-family: var(--font-viking);
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow), 2px 2px 0 var(--dvc-jet);
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tutorial-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(252, 191, 22, 0.02);
    border: 1px solid rgba(252, 191, 22, 0.2);
    border-radius: 8px;
    transition: all var(--transition-medium);
}

.tutorial-item:hover {
    transform: translateY(-3px);
    background: rgba(252, 191, 22, 0.08);
    border-color: var(--dvc-yellow);
}

.tutorial-item.good { border-left: 4px solid var(--neon-green); }
.tutorial-item.bad { border-left: 4px solid var(--neon-red); }
.tutorial-item.special { border-left: 4px solid var(--dvc-yellow); }
.tutorial-item.warning { border-left: 4px solid #ff8800; }
.tutorial-item.legendary { border-left: 4px solid var(--neon-purple); }

.tutorial-icon {
    font-size: 3rem;
    min-width: 60px;
    text-align: center;
}

.tutorial-info h3 {
    font-family: var(--font-viking);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--dvc-yellow);
}

.tutorial-info p {
    font-family: var(--font-viking);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    line-height: 1.4;
}

.tutorial-info p.action {
    color: var(--text-primary);
    font-weight: 600;
}

.points {
    font-family: var(--font-viking);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--neon-green);
    display: block;
    margin-top: 0.3rem;
}

.points.penalty {
    color: var(--neon-red);
}

/* Icônes 3D stylisées pour le tutoriel */
.tutorial-icon-3d {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.tutorial-icon-3d.client {
    background: radial-gradient(circle at 30% 30%, #00ff88, #00aa55);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}
.tutorial-icon-3d.client::before {
    content: '😊';
    font-size: 2rem;
}

.tutorial-icon-3d.project {
    background: linear-gradient(135deg, #00ccff, #0088cc);
    box-shadow: 0 0 20px rgba(0, 204, 255, 0.5);
    border: 3px solid #00eeff;
}
.tutorial-icon-3d.project::before {
    content: '🎁';
    font-size: 1.8rem;
}

.tutorial-icon-3d.bug {
    background: radial-gradient(circle, #ff3366, #cc0033);
    box-shadow: 0 0 20px rgba(255, 51, 102, 0.6);
    animation: iconFloat 2s ease-in-out infinite, bugShake 0.1s infinite;
}
.tutorial-icon-3d.bug::before {
    content: '☠️';
    font-size: 2rem;
}

@keyframes bugShake {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-1px) translateY(-5px); }
    75% { transform: translateX(1px) translateY(-5px); }
}

.tutorial-icon-3d.devis {
    background: linear-gradient(135deg, #ffffff, #eeeeee);
    border: 3px solid #ffd700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}
.tutorial-icon-3d.devis::before {
    content: '💰';
    font-size: 1.8rem;
}

.tutorial-icon-3d.facture {
    background: linear-gradient(135deg, #ffeeee, #ffcccc);
    border: 3px solid #ff6600;
    box-shadow: 0 0 20px rgba(255, 102, 0, 0.5);
    position: relative;
}
.tutorial-icon-3d.facture::before {
    content: '⏰';
    font-size: 1.8rem;
}
.tutorial-icon-3d.facture::after {
    content: '!';
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff3300;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutorial-icon-3d.viking {
    background: radial-gradient(circle, #aa44ff, #6622aa);
    box-shadow: 0 0 25px rgba(170, 68, 255, 0.7), inset 0 0 20px rgba(255, 255, 255, 0.2);
    border: 2px solid #cc66ff;
    animation: iconFloat 2s ease-in-out infinite, vikingIconGlow 1s ease-in-out infinite alternate;
}
.tutorial-icon-3d.viking::before {
    content: '⚔️';
    font-size: 2rem;
}

@keyframes vikingIconGlow {
    from { box-shadow: 0 0 25px rgba(170, 68, 255, 0.7); }
    to { box-shadow: 0 0 40px rgba(170, 68, 255, 1), 0 0 60px rgba(170, 68, 255, 0.5); }
}

/* Power-ups info */
.powerups-info {
    text-align: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.1), rgba(252, 191, 22, 0.05));
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.powerups-info h3 {
    font-family: var(--font-viking);
    color: var(--dvc-yellow);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.powerup-list {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.powerup {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(252, 191, 22, 0.1);
    border-radius: 4px;
    border: 1px solid var(--dvc-yellow);
    color: var(--dvc-yellow);
}

.combo-info {
    text-align: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.1), rgba(252, 191, 22, 0.05));
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.combo-info h3 {
    font-family: var(--font-viking);
    color: var(--dvc-yellow);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════════
   ÉCRAN DE JEU
   ═══════════════════════════════════════════════════════════════ */

#game-screen {
    flex-direction: column;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* HUD */
.game-hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 10;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
    box-sizing: border-box;
}

.hud-left, .hud-right {
    flex: 0 0 auto;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hud-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.lives-container, .timer-container, .score-container {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.lives-label, .timer-label, .score-label, .combo-label {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.lives {
    display: flex;
    gap: 0.3rem;
    font-size: 1.5rem;
}

.life {
    transition: all 0.3s;
}

.life.lost {
    filter: grayscale(1);
    opacity: 0.3;
    transform: scale(0.8);
}

.timer {
    font-family: 'Press Start 2P', monospace;
    font-size: 1rem;
    font-weight: 400;
    color: var(--dvc-yellow);
    text-shadow: 0 0 10px var(--dvc-yellow);
}

.timer.warning {
    color: var(--neon-red);
    text-shadow: 0 0 10px var(--neon-red);
    animation: timerPulse 0.5s infinite;
}

@keyframes timerPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.score {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--dvc-yellow);
    text-shadow: 0 0 15px var(--dvc-yellow);
}

.combo-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.combo-value {
    font-family: var(--font-viking);
    font-size: 2rem;
    font-weight: 900;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow);
    transition: all 0.2s;
}

.combo-value.pulse {
    animation: comboPulse 0.3s ease-out;
}

@keyframes comboPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

.feedback-zone {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Power-up text display */
.powerup-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--dvc-yellow);
    text-shadow: 0 0 10px var(--dvc-yellow);
    animation: powerupBlink 0.5s ease-in-out infinite alternate;
}

@keyframes powerupBlink {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

.feedback-text {
    font-family: var(--font-viking);
    font-size: 1.5rem;
    font-weight: 700;
    animation: feedbackPop 0.6s ease-out forwards;
    text-shadow: 2px 2px 0 var(--dvc-jet);
}

.feedback-text.perfect { color: var(--dvc-yellow); text-shadow: 0 0 20px var(--dvc-yellow), 2px 2px 0 var(--dvc-jet); }
.feedback-text.good { color: var(--neon-green); }
.feedback-text.bad { color: var(--neon-red); }

@keyframes feedbackPop {
    0% { transform: scale(0) translateY(20px); opacity: 0; }
    30% { transform: scale(1.2) translateY(0); opacity: 1; }
    100% { transform: scale(1) translateY(-10px); opacity: 0; }
}

/* ═══════════════════════════════════════════════════════════════
   AFFICHAGE CENTRAL COMBOS & BONUS
   ═══════════════════════════════════════════════════════════════ */

.center-display {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 15;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Affichage du combo central */
.center-combo {
    font-family: var(--font-viking);
    font-size: 4rem;
    font-weight: 900;
    color: var(--dvc-yellow);
    text-shadow: 
        0 0 20px var(--dvc-yellow),
        0 0 40px rgba(252, 191, 22, 0.5),
        3px 3px 0 var(--dvc-jet);
    opacity: 0;
    transform: scale(0.5);
    transition: none;
}

.center-combo.show {
    animation: comboPopIn 0.8s ease-out forwards;
}

.center-combo.milestone {
    font-size: 5rem;
    animation: comboMilestone 1s ease-out forwards;
}

@keyframes comboPopIn {
    0% { opacity: 0; transform: scale(0.5); }
    20% { opacity: 1; transform: scale(1.3); }
    40% { opacity: 0.9; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.8) translateY(-20px); }
}

@keyframes comboMilestone {
    0% { opacity: 0; transform: scale(0.5) rotate(-10deg); }
    20% { opacity: 1; transform: scale(1.5) rotate(5deg); }
    40% { opacity: 1; transform: scale(1.2) rotate(-2deg); }
    60% { opacity: 0.9; transform: scale(1.1) rotate(0deg); }
    100% { opacity: 0; transform: scale(0.9) translateY(-30px); }
}

/* Affichage du bonus central */
.center-bonus {
    font-family: var(--font-viking);
    font-size: 2.5rem;
    font-weight: 700;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    opacity: 0;
    transform: scale(0.5);
}

.center-bonus.show {
    animation: bonusSlideIn 1.2s ease-out forwards;
}

.center-bonus.slowmo {
    color: #00f5ff;
    background: rgba(0, 245, 255, 0.2);
    border: 2px solid #00f5ff;
    text-shadow: 0 0 20px #00f5ff;
}

.center-bonus.shield {
    color: var(--dvc-yellow);
    background: rgba(252, 191, 22, 0.2);
    border: 2px solid var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow);
}

.center-bonus.multiplier {
    color: #ff00aa;
    background: rgba(255, 0, 170, 0.2);
    border: 2px solid #ff00aa;
    text-shadow: 0 0 20px #ff00aa;
}

@keyframes bonusSlideIn {
    0% { opacity: 0; transform: scale(0.5) translateY(30px); }
    15% { opacity: 1; transform: scale(1.2) translateY(0); }
    30% { opacity: 1; transform: scale(1); }
    70% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.8) translateY(-20px); }
}

/* Indicateurs de lanes */
.lane-indicators {
    position: absolute;
    bottom: 3%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12vw;
    z-index: 5;
}

.lane-key {
    pointer-events: auto;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Press Start 2P', monospace;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-tap-highlight-color: transparent;
    font-size: 1rem;
    font-weight: 400;
    background: rgba(252, 191, 22, 0.1);
    border: 3px solid var(--dvc-yellow);
    border-radius: 8px;
    transition: all 0.1s;
}

.lane-key[data-lane="0"] { border-color: var(--lane-1); color: var(--lane-1); }
.lane-key[data-lane="1"] { border-color: var(--lane-2); color: var(--lane-2); }
.lane-key[data-lane="2"] { border-color: var(--lane-3); color: var(--lane-3); }

.lane-key.pressed {
    transform: scale(0.9);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 30px currentColor;
}

/* Overlay d'effets */
.effect-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 15;
}

.effect-overlay.shake {
    animation: screenShake 0.3s ease-out;
}

@keyframes screenShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

.effect-overlay.glitch::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 0, 0, 0.1) 2px,
        rgba(255, 0, 0, 0.1) 4px
    );
    animation: glitchLines 0.1s infinite;
}

@keyframes glitchLines {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

.effect-overlay.viking-mode {
    background: radial-gradient(circle at center, rgba(252, 191, 22, 0.4), transparent 70%);
    animation: vikingPulse 0.5s ease-out;
}

@keyframes vikingPulse {
    0% { opacity: 0; transform: scale(0.5); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: scale(1.5); }
}

/* Shield effect - DVC Yellow border */
.effect-overlay.shield-active {
    box-shadow: inset 0 0 50px rgba(252, 191, 22, 0.4), inset 0 0 100px rgba(252, 191, 22, 0.2);
    border: 4px solid rgba(252, 191, 22, 0.6);
    animation: shieldPulse 1s ease-in-out infinite;
}

@keyframes shieldPulse {
    0%, 100% { border-color: rgba(252, 191, 22, 0.6); box-shadow: inset 0 0 50px rgba(252, 191, 22, 0.4); }
    50% { border-color: rgba(252, 191, 22, 0.9); box-shadow: inset 0 0 80px rgba(252, 191, 22, 0.6); }
}

/* Bouton Terminer le jeu */
.btn-end-game {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-family: var(--font-viking);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dvc-yellow);
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--dvc-yellow);
    border-radius: 6px;
    cursor: pointer;
    z-index: 50;
    transition: all var(--transition-medium);
    opacity: 0.7;
}

.btn-end-game:hover {
    opacity: 1;
    background: rgba(252, 191, 22, 0.2);
    box-shadow: 0 0 20px rgba(252, 191, 22, 0.4);
    transform: scale(1.05);
}

.btn-end-game span {
    font-size: 1rem;
}

/* Countdown */
.countdown-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    z-index: 100;
}

.countdown-overlay.active {
    display: flex;
}

.countdown-number {
    font-family: var(--font-viking);
    font-size: 12rem;
    font-weight: 900;
    color: var(--dvc-yellow);
    text-shadow: 
        0 0 30px var(--dvc-yellow),
        0 0 60px var(--dvc-yellow),
        0 0 90px rgba(252, 191, 22, 0.5),
        4px 4px 0 var(--dvc-jet);
    animation: countdownPulse 1s ease-out infinite;
}

@keyframes countdownPulse {
    0% { transform: scale(1.5); opacity: 0; }
    20% { opacity: 1; }
    100% { transform: scale(1); opacity: 0.5; }
}

/* Pause */
.pause-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    z-index: 200;
}

.pause-overlay.active {
    display: flex;
}

.pause-menu {
    text-align: center;
}

.pause-menu h2 {
    font-family: var(--font-viking);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow);
}

.pause-menu .menu-btn {
    margin: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   ÉCRAN FIN DE PARTIE
   ═══════════════════════════════════════════════════════════════ */

#gameover-screen {
    justify-content: center;
    align-items: center;
    padding: 1rem;
    overflow-y: auto;
}

.gameover-container {
    max-width: 400px;
    width: 100%;
    text-align: center;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.gameover-header {
    margin-bottom: 0.5rem;
}

.gameover-title {
    font-family: var(--font-viking);
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--dvc-yellow);
    text-shadow: 0 0 20px var(--dvc-yellow), 2px 2px 0 var(--dvc-jet);
}

.rank-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.2), rgba(252, 191, 22, 0.1));
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(252, 191, 22, 0.4);
}

.rank-icon {
    font-size: 2.5rem;
    margin-bottom: 0.3rem;
}

.rank-name {
    font-family: var(--font-viking);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dvc-yellow);
}

.final-stats {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem 1.5rem;
    width: 100%;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    font-family: 'Press Start 2P', monospace;
    color: var(--text-secondary);
    font-size: 0.5rem;
}

.stat-value {
    font-family: 'Press Start 2P', monospace;
    font-weight: 400;
    font-size: 0.6rem;
    color: var(--dvc-yellow);
}

.name-input-section {
    width: 100%;
    max-width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.name-input-section p {
    font-family: 'Press Start 2P', monospace;
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.5rem;
}

#player-name {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    padding: 0.75rem 1.25rem;
    background: rgba(252, 191, 22, 0.05);
    border: 2px solid var(--dvc-yellow);
    border-radius: 6px;
    color: var(--dvc-yellow);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    width: 100%;
    transition: all var(--transition-medium);
}

#player-name:focus {
    outline: none;
    border-color: var(--dvc-yellow);
    box-shadow: 0 0 20px rgba(252, 191, 22, 0.4);
}

#btn-save-score {
    width: 100%;
    min-width: unset;
}

.gameover-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 280px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.gameover-buttons .menu-btn {
    width: 100%;
    min-width: unset;
}

/* ═══════════════════════════════════════════════════════════════
   LEADERBOARD
   ═══════════════════════════════════════════════════════════════ */

#leaderboard-screen {
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.leaderboard-container {
    max-width: 600px;
    width: 100%;
    z-index: 1;
}

.leaderboard-list {
    background: rgba(252, 191, 22, 0.03);
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    max-height: 400px;
    overflow-y: auto;
}

.leaderboard-entry {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid rgba(252, 191, 22, 0.2);
    transition: all var(--transition-fast);
}

.leaderboard-entry:last-child {
    border-bottom: none;
}

.leaderboard-entry:hover {
    background: rgba(252, 191, 22, 0.1);
}

.leaderboard-entry.top-1 { background: linear-gradient(90deg, rgba(252, 191, 22, 0.3), transparent); }
.leaderboard-entry.top-2 { background: linear-gradient(90deg, rgba(192, 192, 192, 0.2), transparent); }
.leaderboard-entry.top-3 { background: linear-gradient(90deg, rgba(205, 127, 50, 0.2), transparent); }

.entry-rank {
    font-family: var(--font-viking);
    font-size: 1.5rem;
    font-weight: 900;
    width: 50px;
    text-align: center;
}

.entry-rank.gold { color: #ffd700; }
.entry-rank.silver { color: #c0c0c0; }
.entry-rank.bronze { color: #cd7f32; }

.entry-name {
    flex: 1;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    padding: 0 1rem;
}

.entry-score {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--dvc-yellow);
}

.personal-best {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(252, 191, 22, 0.1), rgba(252, 191, 22, 0.05));
    border: 2px solid var(--dvc-yellow);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.personal-best h3 {
    font-family: var(--font-viking);
    color: var(--dvc-yellow);
    margin-bottom: 0.5rem;
}

.best-score {
    font-family: 'Press Start 2P', monospace;
    font-size: 1rem;
    font-weight: 400;
    color: var(--dvc-yellow);
    text-shadow: 0 0 15px var(--dvc-yellow);
}

.no-scores {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .game-title {
        font-size: clamp(2rem, 15vw, 4rem);
    }
    
    .menu-btn {
        min-width: 240px;
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .tutorial-grid {
        grid-template-columns: 1fr;
    }
    
    .lane-indicators {
        gap: 5vw;
    }
    
    .lane-key {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .score {
        font-size: 1.8rem;
    }
    
    .countdown-number {
        font-size: 8rem;
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 245, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 245, 255, 0.5);
}