:root {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --panel-bg: #222222;
    --button-bg: #2a2630; /* 深灰紫，偏可爱 */
    --button-text: #e9e0e6;
    --button-border: #3a3340;
    --button-active: #ff78a5; /* 粉色主色 */
    --button-active-border: #ff95b7;
    --separator-color: #4b3f49;
    --accent-color: rgba(255, 120, 165, 0.25); /* 粉色光晕 */
    --stats-bg: rgba(255, 120, 165, 0.12);
    --stats-item-bg: rgba(0, 0, 0, 0.45);
    --canvas-border: #3b2f38;
    --stats-text: rgba(255, 240, 245, 0.9);
    --game-over-effect-bg: rgba(0, 0, 0, 0.7);
    --pixel-shadow: drop-shadow(0 2px 0 rgba(0,0,0,.35)) drop-shadow(0 4px 0 rgba(0,0,0,.25));
    --pink:#ff78a5;
}

.light-theme {
    --bg-color: #fff6f8; /* 很浅的粉白 */
    --text-color: #3a2a31;
    --panel-bg: #ffffff;
    --button-bg: #ffe6ef; /* 浅粉 */
    --button-text: #5a3f4b;
    --button-border: #ffd1e1;
    --button-active: #ff5f98;
    --button-active-border: #ff78a5;
    --separator-color: #ffd7e5;
    --accent-color: rgba(255, 120, 165, 0.18);
    --stats-bg: rgba(255, 120, 165, 0.08);
    --stats-item-bg: rgba(255, 214, 229, 0.7);
    --canvas-border: #ffd7e5;
    --stats-text: rgba(58, 42, 49, 0.9);
    --game-over-effect-bg: rgba(0, 0, 0, 0.3);
}

/* 全局字体：像素风优先 */
body {
    font-family: 'Press Start 2P', 'VT323', 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s;
    background-image:
      radial-gradient(1000px 400px at -10% -20%, rgba(255, 120, 165, 0.2), transparent 60%),
      radial-gradient(800px 300px at 110% -10%, rgba(255, 120, 165, 0.18), transparent 60%);
}

.container { display: flex; gap: 20px; max-height: 100%; width: 100%; justify-content: center; }

.game-container { position: relative; filter: var(--pixel-shadow); }

.controls-container {
    display: flex; flex-direction: column; min-width: 250px; max-width: 300px;
    height: calc(800px - 30px); background-color: var(--panel-bg); padding: 15px; border-radius: 8px;
    box-shadow: 0 0 0 2px var(--button-border), 0 8px 24px rgba(0,0,0,.15);
    overflow-y: auto; transition: background-color 0.3s; box-sizing: border-box;
}

canvas {
    border: 3px solid var(--canvas-border);
    border-radius: 6px;
    box-shadow: 0 0 24px var(--accent-color), inset 0 0 0 2px rgba(255,255,255,0.04);
    transition: border-color 0.3s, box-shadow 0.3s;
    image-rendering: pixelated; /* 像素化 */
}

/* 顶角猫猫贴纸 */
.cat-mascot{
    position:absolute; left:-22px; top:-18px; transform: rotate(-8deg);
    background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.85));
    color:#3a2a31; border:2px solid var(--canvas-border); border-radius:10px;
    padding:6px 10px; font-size:14px; letter-spacing:.5px;
    box-shadow: 0 2px 0 rgba(0,0,0,.25), 0 6px 16px rgba(0,0,0,.15);
    text-shadow: 0 1px 0 #fff;
}

.stats { position: absolute; bottom: 10px; right: 10px; display: flex; gap: 10px; font-size: 12px; opacity: 0.85; transition: opacity 0.3s; }
.stats:hover { opacity: 1; }
.stats span { padding: 4px 8px; border-radius: 6px; background-color: var(--stats-item-bg); color: var(--stats-text); border:1px solid var(--button-border); }

.control-section { margin-bottom: 20px; border-bottom: 2px dashed var(--separator-color); padding-bottom: 15px; }
.control-section:last-child { border-bottom: none; margin-bottom: 0; }

.section-title { font-size: 14px; margin-bottom: 10px; color: var(--button-active); font-weight: bold; text-shadow: 0 1px 0 rgba(255,255,255,.2); }

.button-group { display: flex; flex-wrap: wrap; gap: 8px; }

button {
    background-color: var(--button-bg); color: var(--button-text); border: 2px solid var(--button-border);
    padding: 8px 12px; border-radius: 8px; cursor: pointer; transition: all 0.15s ease; font-size: 12px; flex-grow: 1;
    box-shadow: 0 2px 0 rgba(0,0,0,.2);
}
button:hover { transform: translateY(-2px); box-shadow: 0 4px 0 rgba(0,0,0,.25), 0 6px 16px rgba(0,0,0,.15); }
button.active { background-color: var(--button-active); color: #fff; border-color: var(--button-active-border); }

.instructions { margin: 15px 0; padding: 10px; background-color: var(--stats-bg); border-radius: 6px; text-align: center; border:1px dashed var(--button-border); }

kbd { background-color: var(--button-bg); border: 2px solid var(--button-border); border-radius: 4px; padding: 2px 6px; font-size: 0.9em; }

#info { min-height: 30px; margin: 10px 0; padding: 10px; text-align: center; color: var(--button-text); }

.theme-toggle { position: absolute; top: 10px; right: 10px; z-index: 100; }
.theme-toggle button { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; font-size: 18px; padding: 0; color: var(--button-text); overflow: hidden; border:2px solid var(--button-border); background: var(--panel-bg); }
.theme-toggle button:hover svg { transform: rotate(15deg); }

.github-buttons { position: absolute; bottom: 10px; right: 10px; display: flex; flex-direction: column; gap: 5px; align-items: flex-end; transition: opacity 0.3s ease; }
.github-button-wrapper { display: flex; justify-content: flex-end; width: 100%; margin-bottom: 5px; }
#active-buttons { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
#active-buttons iframe { margin: 0 !important; }

@media (max-width: 1000px) {
    .container { flex-direction: column; align-items: center; height: auto; }
    .controls-container { max-width: 600px; width: 100%; max-height: none; height: auto; }
    body { height: auto; overflow-y: auto; padding: 10px; }
    .game-container { margin-bottom: 20px; }
}

/* 效果容器 */
.effects-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 10; }

/* 贴近判定特效：偏粉色 */
.graze-effect { position: absolute; width: 30px; height: 30px; border-radius: 50%; background: radial-gradient(circle, rgba(255,180,210,0.85) 0%, rgba(255,180,210,0) 70%); pointer-events: none; animation: graze-pulse 0.5s ease-out forwards; z-index: 10; }
@keyframes graze-pulse { 0% { transform: scale(0.5); opacity: 0.8; } 100% { transform: scale(2); opacity: 0; } }

/* Game over 效果：粉橙系爆闪 */
.game-over-effect { position: absolute; width: 20px; height: 20px; border-radius: 50%; background: radial-gradient(circle, rgba(255,80,110,0.95) 0%, rgba(255,190,120,0.6) 40%, rgba(255,255,255,0) 70%); pointer-events: none; animation: explosion 0.8s ease-out forwards; transform: translate(-50%, -50%); }
@keyframes explosion { 0% { transform: translate(-50%, -50%) scale(0.5); opacity: 1; } 100% { transform: translate(-50%, -50%) scale(15); opacity: 0; } }

.game-over-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 803px; background-color: var(--game-over-effect-bg); display: flex; flex-direction: column; justify-content: center; align-items: center; animation: fade-in 0.5s ease-in forwards; z-index: 20; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.game-over-overlay span { font-size: 40px; font-weight: 700; color: var(--pink); text-shadow: 0 1px 0 #fff, 0 0 10px rgba(255,120,165,.7), 0 0 20px rgba(255,120,165,.45); margin-bottom: 18px; animation: game-over-text 2s ease-in-out infinite; letter-spacing: 3px; }
@keyframes game-over-text { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }