:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #f97316;
    --primary-hover: #ea580c;
    --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: #fdba74; }
.instructions { color: var(--text-muted); margin-bottom: 32px; line-height: 1.6; padding: 0 20px; font-size: 1.1rem; }
.final-score { font-size: 1.8rem; font-weight: 700; color: #fdba74; margin-bottom: 16px; }
.rank-title { font-size: 1.5rem; font-weight: bold; color: #fcd34d; margin-bottom: 24px; }

.btn {
    border: none; padding: 12px 24px; border-radius: 8px; font-size: 1.1rem; 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: 1.2rem; color: #fdba74; }

.game-area { 
    width: 100%; height: 400px; 
    background: #475569; border-radius: 8px; border: 2px solid #64748b;
    position: relative; overflow: hidden; cursor: crosshair;
}

/* Background scenery */
.game-area::before {
    content: ''; position: absolute;
    bottom: 0; left: 0; width: 100%; height: 150px;
    background: #14532d; /* grass */
}
.game-area::after {
    content: ''; position: absolute;
    top: 0; left: 0; width: 100%; height: 250px;
    background: #38bdf8; /* sky */
    opacity: 0.2;
}

#target {
    position: absolute;
    width: 120px; height: 120px;
    left: 50%; top: 100px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    z-index: 5;
    transition: transform 0.1s linear; /* for moving */
}

.ring {
    border-radius: 50%;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.ring.outer { width: 120px; height: 120px; background: white; border: 2px solid #ccc; }
.ring.middle { width: 80px; height: 80px; background: #3b82f6; }
.ring.inner { width: 40px; height: 40px; background: #ef4444; }
.bullseye { width: 15px; height: 15px; background: #fbbf24; border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }

#arrow {
    position: absolute;
    font-size: 40px;
    bottom: 10px; left: 50%;
    transform: translateX(-50%) rotate(-45deg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
    opacity: 1;
}

#crosshair {
    position: absolute;
    font-size: 30px; color: rgba(255, 255, 255, 0.8);
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 15;
    text-shadow: 0 0 5px #000;
}

.msg-overlay {
    position: absolute; top: 30%; left: 0; width: 100%; text-align: center;
    font-size: 3rem; font-weight: 900; color: #fff; text-shadow: 0 0 15px #000;
    z-index: 50; animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.msg-overlay.hidden { display: none; }
@keyframes popIn { 0% { transform: scale(0); } 100% { transform: scale(1); } }