:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --success: #10b981;
    --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; touch-action: none; user-select: none; }

.new-game-wrapper {
    background-color: var(--bg-color); color: var(--text-main);
    display: flex; justify-content: center; align-items: center;
    min-height: 100vh; overflow: hidden;
}

#game-container {
    width: 100%; max-width: 500px; background-color: var(--card-bg);
    border-radius: 16px; padding: 16px; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    position: relative;
    min-height: 600px;
    display: flex; flex-direction: column;
}

.screen { display: none; flex-direction: column; align-items: center; text-align: center; animation: fadeIn 0.3s; flex: 1; justify-content: center; }
.screen.active { display: flex; }

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

.game-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; color: #c4b5fd; }
.instructions { color: var(--text-muted); margin-bottom: 32px; line-height: 1.6; padding: 0 20px; }
.final-score { font-size: 1.5rem; font-weight: 700; color: #c4b5fd; margin-bottom: 24px; }

.btn {
    border: none; padding: 12px 24px; border-radius: 8px; font-size: 1rem; font-weight: 700;
    color: white; cursor: pointer; transition: all 0.2s; width: 100%; max-width: 250px;
}
.btn:active { transform: scale(0.95); }
.btn.primary { background-color: var(--primary); }
.btn.primary:hover { background-color: var(--primary-hover); }

.header { display: flex; justify-content: space-between; width: 100%; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid #334155; font-weight: 700; font-size: 1.1rem; color: #c4b5fd; }

.game-area { width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }

canvas {
    background: #0f172a;
    border-radius: 8px;
    border: 2px solid #334155;
    max-width: 100%;
    width: 100%;
    height: auto;
    aspect-ratio: 5/3;
}

.controls-area { margin-top: 20px; display: flex; justify-content: space-between; width: 100%; padding: 0 10px; }
.control-group { display: flex; gap: 10px; }

.ctrl-btn {
    background: #334155; border: none; color: #fff; font-size: 0.9rem; font-weight: bold;
    width: 60px; height: 60px; border-radius: 8px; cursor: pointer;
    display: flex; justify-content: center; align-items: center;
    flex-direction: column; line-height: 1.2;
}
.ctrl-btn:active { background: #475569; }
.ctrl-btn.highlight { background: var(--primary); }
.ctrl-btn.highlight:active { background: var(--primary-hover); }