/* Snake Game Styles */

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

body {
    background: var(--bg-dark, #050505);
    color: var(--text-main, #ffffff);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Header */
.g4f-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    position: relative;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main, #fff);
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-neon, #6366f1), var(--secondary-neon, #ec4899));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.highlight-4 {
    color: var(--secondary-neon, #ec4899);
    font-weight: 700;
}

.lang-switch {
    display: flex;
    gap: 4px;
}

.lang-btn {
    background: var(--bg-card, rgba(20,20,25,0.7));
    border: 1px solid var(--border-glass, rgba(255,255,255,0.1));
    color: var(--text-dim, #94a3b8);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--primary-neon, #6366f1);
    color: var(--text-main, #fff);
}

.lang-btn.active {
    background: var(--primary-neon, #6366f1);
    border-color: var(--primary-neon, #6366f1);
    color: #fff;
}

/* Game Container */
.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 16px 24px;
    position: relative;
}

/* Screens */
.screen {
    display: none;
    width: 100%;
    max-width: 600px;
    flex-direction: column;
    align-items: center;
}

.screen.active {
    display: flex;
}

/* Start Screen */
.start-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding: 40px 20px;
    text-align: center;
}

.game-title-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.game-title {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan, #06b6d4), var(--primary-neon, #6366f1), var(--secondary-neon, #ec4899));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    letter-spacing: -1px;
}

.game-subtitle {
    color: var(--text-dim, #94a3b8);
    font-size: 1.1rem;
    font-weight: 300;
}

.start-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.start-hint {
    color: var(--text-dim, #94a3b8);
    font-size: 0.9rem;
}

.controls-info {
    background: var(--bg-card, rgba(20,20,25,0.7));
    border: 1px solid var(--border-glass, rgba(255,255,255,0.1));
    border-radius: var(--radius-lg, 16px);
    padding: 20px 28px;
    backdrop-filter: blur(20px);
    text-align: left;
    width: 100%;
    max-width: 360px;
}

.controls-info h3 {
    font-size: 0.95rem;
    color: var(--accent-cyan, #06b6d4);
    margin-bottom: 12px;
    font-weight: 600;
}

.controls-info ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.controls-info li {
    color: var(--text-dim, #94a3b8);
    font-size: 0.85rem;
    padding-left: 16px;
    position: relative;
}

.controls-info li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-neon, #6366f1);
}

/* Neon Button */
.neon-btn {
    padding: 14px 48px;
    border: none;
    border-radius: var(--radius-lg, 16px);
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.neon-btn.primary {
    background: linear-gradient(135deg, var(--primary-neon, #6366f1), var(--secondary-neon, #ec4899));
    color: #fff;
    box-shadow: 0 0 24px rgba(99, 102, 241, 0.3), 0 0 48px rgba(236, 72, 153, 0.15);
}

.neon-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(99, 102, 241, 0.5), 0 0 64px rgba(236, 72, 153, 0.25);
}

.neon-btn.primary:active {
    transform: translateY(0);
}

/* Game HUD */
.game-hud {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 12px 0;
    width: 100%;
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.hud-label {
    font-size: 0.75rem;
    color: var(--text-dim, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.hud-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main, #fff);
    font-variant-numeric: tabular-nums;
}

#score-value {
    color: var(--accent-cyan, #06b6d4);
}

#high-score-value {
    color: var(--secondary-neon, #ec4899);
}

/* Canvas Wrapper */
.canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    border-radius: var(--radius-xl, 24px);
    overflow: hidden;
    border: 1px solid var(--border-glass, rgba(255,255,255,0.1));
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.1), inset 0 0 60px rgba(0,0,0,0.3);
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
}

/* Pause Overlay */
.pause-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 10;
}

.pause-overlay.hidden {
    display: none;
}

.pause-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-neon, #6366f1);
}

.pause-hint {
    color: var(--text-dim, #94a3b8);
    font-size: 0.95rem;
}

/* Game Over / Result Panel */
.glass-panel {
    background: var(--bg-card, rgba(20,20,25,0.7));
    border: 1px solid var(--border-glass, rgba(255,255,255,0.1));
    border-radius: var(--radius-xl, 24px);
    backdrop-filter: blur(20px);
    padding: 40px 32px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    margin-top: 40px;
}

.result-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-neon, #6366f1), var(--secondary-neon, #ec4899));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.new-record {
    display: inline-block;
    padding: 6px 20px;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    animation: pulse-glow 1.5s ease-in-out infinite;
}

.new-record.hidden {
    display: none;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 24px rgba(245, 158, 11, 0.7); }
}

.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 24px 0;
}

.score-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
}

.score-row span:first-child {
    color: var(--text-dim, #94a3b8);
    font-size: 0.95rem;
}

.score-num {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.score-row.final .score-num {
    color: var(--accent-cyan, #06b6d4);
}

.score-row.best .score-num {
    color: var(--secondary-neon, #ec4899);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

/* Ad Container */
.g4f-ad-container {
    width: 100%;
    max-width: 600px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-glass, rgba(255,255,255,0.1));
    border-radius: var(--radius-lg, 16px);
    margin-top: 24px;
    color: var(--text-dim, #94a3b8);
    font-size: 0.8rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-dim, #94a3b8);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-glass, rgba(255,255,255,0.1));
    margin-top: auto;
}

/* Responsive */
@media (max-width: 480px) {
    .g4f-header {
        padding: 12px 16px;
    }

    .game-title {
        font-size: 2.5rem;
    }

    .game-hud {
        gap: 16px;
    }

    .hud-value {
        font-size: 1.25rem;
    }

    .canvas-wrapper {
        border-radius: var(--radius-lg, 16px);
    }

    .glass-panel {
        padding: 28px 20px;
        margin-top: 24px;
    }

    .neon-btn {
        padding: 12px 40px;
        font-size: 1.05rem;
    }
}