@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@300;400;500;600&display=swap');

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

body{
  background:#30303c;
  overflow:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Helvetica Neue",sans-serif;
  color:#1d1d1f;
  -webkit-font-smoothing:antialiased;
}
canvas{display:block;filter:saturate(0.9) brightness(1.5)}

/* 冷灰深色网格叠加 */
body::before{
  content:'';position:fixed;inset:0;
  background:
    linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:40px 40px;
  pointer-events:none;z-index:0
}

.ui{position:fixed;inset:0;pointer-events:none;z-index:10}
.ui>*{pointer-events:auto}

/* ── 标题栏 ── */
.hdr{
  position:absolute;top:20px;left:50%;transform:translateX(-50%);
  text-align:center;
  background:rgba(255,255,255,0.78);
  border:1px solid rgba(0,0,0,0.06);
  border-radius:16px;
  padding:12px 30px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 4px 24px rgba(0,0,0,0.06),0 1px 4px rgba(0,0,0,0.04);
}
.hdr h1{
  font-family:'Orbitron',sans-serif;
  font-size:clamp(12px,2vw,17px);
  font-weight:900;
  letter-spacing:5px;
  color:#000000;
  -webkit-text-fill-color:#000000;
}
.hdr p{font-size:10px;color:#86868b;letter-spacing:3px;margin-top:3px}

/* ── 底部控制区 ── */
.ctrl{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:center;
  background:rgba(255,255,255,0.78);
  border:1px solid rgba(0,0,0,0.06);
  border-radius:16px;
  padding:10px 16px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 4px 24px rgba(0,0,0,0.06),0 1px 4px rgba(0,0,0,0.04);
}
.btn{
  padding:8px 18px;
  border:1px solid rgba(0,0,0,0.08);
  border-radius:8px;
  background:rgba(255,255,255,0.5);
  color:#86868b;
  font-size:12px;
  font-weight:500;
  cursor:pointer;
  font-family:inherit;
  transition:all .3s cubic-bezier(0.16,1,0.3,1);
  white-space:nowrap;
}
.btn:hover{
  border-color:rgba(0,0,0,0.14);
  color:#1d1d1f;
  background:rgba(255,255,255,0.95);
  box-shadow:0 2px 12px rgba(0,0,0,0.07);
  transform:translateY(-1px);
}
.btn.on{
  border-color:rgba(0,102,204,0.3);
  color:#0066cc;
  background:rgba(0,102,204,0.07);
  box-shadow:0 2px 12px rgba(0,102,204,0.1);
}

/* 灯光控制按钮 */
.btn.light-btn{padding:7px 14px;font-size:11px}
.btn.light-btn.on{
  border-color:rgba(180,120,0,0.3);
  color:#996600;
  background:rgba(255,160,40,0.09);
  animation:lightPulse 2s ease-in-out infinite;
}
@keyframes lightPulse{
  0%,100%{box-shadow:0 2px 10px rgba(180,120,0,0.08)}
  50%{box-shadow:0 2px 20px rgba(180,120,0,0.18)}
}

.btn.mode-charge.on{border-color:rgba(210,50,50,0.3);background:rgba(210,50,50,0.07);color:#b83030}
.btn.mode-discharge.on{border-color:rgba(0,100,200,0.3);background:rgba(0,100,200,0.07);color:#0064c8}
.btn.mode-boot.on{border-color:rgba(100,80,200,0.3);background:rgba(100,80,200,0.07);color:#6450c8}

.dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px;vertical-align:middle}
.dot-red{background:#ff3b30;box-shadow:0 0 5px rgba(255,59,48,0.5)}
.dot-blue{background:#007aff;box-shadow:0 0 5px rgba(0,122,255,0.5)}
.dot-pink{background:#af52de;box-shadow:0 0 5px rgba(175,82,222,0.5)}

.sld{
  display:flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:8px;
  background:rgba(255,255,255,0.5);
  border:1px solid rgba(0,0,0,0.08);
}
.sld label{font-size:10px;color:#86868b;white-space:nowrap;letter-spacing:0.5px;font-weight:500}
.sld input[type=range]{width:clamp(90px,20vw,180px);accent-color:#0066cc;cursor:pointer}

/* 色相滑条彩虹轨道 */
.hue-sld input[type=range]{
  width:clamp(100px,14vw,160px);
  -webkit-appearance:none;appearance:none;
  height:7px;border-radius:4px;outline:none;
  background:linear-gradient(to right,
    hsl(0,65%,55%),hsl(40,65%,55%),hsl(80,65%,55%),
    hsl(140,65%,55%),hsl(200,65%,55%),hsl(260,65%,55%),
    hsl(320,65%,55%),hsl(360,65%,55%));
}
.hue-sld input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid rgba(0,0,0,0.18);
  box-shadow:0 1px 5px rgba(0,0,0,0.22);cursor:pointer;
}
.hue-sld input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid rgba(0,0,0,0.18);
  box-shadow:0 1px 5px rgba(0,0,0,0.22);cursor:pointer;
}

/* ── 状态提示 ── */
.status{
  position:absolute;top:72px;left:50%;transform:translateX(-50%);
  padding:6px 16px;border-radius:20px;
  font-size:11px;letter-spacing:1.5px;font-weight:500;
  background:rgba(255,255,255,0.88);
  border:1px solid rgba(0,0,0,0.06);
  color:#515154;
  backdrop-filter:blur(12px);
  box-shadow:0 4px 16px rgba(0,0,0,0.06);
  transition:all .4s;opacity:0;pointer-events:none;
}
.status.vis{opacity:1}

/* ── 信息面板 ── */
.info{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:clamp(210px,23vw,270px);
  padding:22px 24px;
  border-radius:20px;
  background:rgba(255,255,255,0.90);
  border:1px solid rgba(0,0,0,0.06);
  box-shadow:0 8px 40px rgba(0,0,0,0.09),0 2px 8px rgba(0,0,0,0.04);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  opacity:0;pointer-events:none;
  transition:all .4s cubic-bezier(0.16,1,0.3,1);
}
.info.vis{opacity:1;pointer-events:auto}
.info .tg{
  display:inline-block;padding:3px 10px;border-radius:6px;
  font-size:8px;font-weight:600;letter-spacing:2px;margin-bottom:8px;
}
.info h3{font-size:16px;font-weight:600;margin-bottom:3px;color:#1d1d1f}
.info .en{font-size:9px;color:#86868b;letter-spacing:2px;margin-bottom:12px}
.info p{font-size:12px;color:#515154;line-height:1.75}
.info .tok{
  margin-top:14px;padding-top:12px;
  border-top:1px solid rgba(0,0,0,0.06);
  font-size:10.5px;color:#0066cc;line-height:1.65;
}
.info .close{
  position:absolute;top:12px;right:14px;font-size:18px;
  color:#86868b;cursor:pointer;background:none;border:none;
  font-family:inherit;transition:color .2s;
}
.info .close:hover{color:#1d1d1f}

/* ── 图例 ── */
.leg{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,0.78);
  border:1px solid rgba(0,0,0,0.06);
  border-radius:14px;
  padding:10px 8px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 4px 24px rgba(0,0,0,0.06),0 1px 4px rgba(0,0,0,0.04);
}
.leg-i{
  display:flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:8px;cursor:pointer;
  font-size:10px;color:#86868b;font-weight:500;
  transition:all .25s;white-space:nowrap;
}
.leg-i:hover{background:rgba(0,0,0,0.04);color:#1d1d1f}
.leg-i.act{color:#1d1d1f;background:rgba(0,102,204,0.07)}
.leg-i .d{width:8px;height:8px;border-radius:50%;flex-shrink:0;box-shadow:0 0 5px currentColor}

/* ── 提示文字 ── */
.hint{
  position:absolute;bottom:80px;left:50%;transform:translateX(-50%);
  font-size:10px;color:#aeaeb2;letter-spacing:1px;
  font-weight:500;transition:opacity .5s;
}

/* ── 加载屏 ── */
.ld{
  position:fixed;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:#30303c;z-index:100;transition:opacity .8s;
}
.ld.done{opacity:0;pointer-events:none}
.ld p{font-size:11px;letter-spacing:4px;color:#86868b;font-weight:500}
.ld .bar{
  width:180px;height:2px;
  background:rgba(0,0,0,0.06);
  border-radius:1px;margin-top:14px;overflow:hidden;
}
.ld .fill{
  height:100%;
  background:linear-gradient(90deg,#0066cc,#34aadc);
  width:0%;transition:width .3s;
}

@media(max-width:700px){
  .info{right:10px;width:calc(100vw - 20px);top:auto;bottom:80px;transform:none}
  .leg{display:none}
}