:root{
  /* 纯黑底 + 白色唯一强调，玻璃层用低透明白 */
  --bg:#08080a;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.17);
  --ink:#f3f4f6;
  --ink-2:#a8acb5;
  --ink-3:#71767f;
  --white:#ffffff;
  --f1:15px; --f2:13px; --f3:12px;
  --r-panel:18px; --r-card:12px; --r-ctl:10px; --pill:999px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  background:var(--bg);color:var(--ink);
  font:400 var(--f2)/1.45 -apple-system,BlinkMacSystemFont,"Geist","PingFang SC","Helvetica Neue",sans-serif;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}
#app{position:relative;height:100%}

/* ---------- 玻璃层 ---------- */
.glass{
  background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.032));
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  backdrop-filter:blur(24px) saturate(160%);
  border:.5px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), inset 0 -1px 0 rgba(255,255,255,.03), 0 20px 44px rgba(0,0,0,.5);
}

/* ---------- 画布 ---------- */
#stage{position:absolute;top:0;left:0;right:322px;bottom:0;background:#0b0b0d;overflow:hidden}
#view{display:block;width:100%;height:100%}
#frame{position:absolute;inset:0}
#frame canvas{display:block;width:100%;height:100%}
#hint{position:absolute;left:20px;bottom:24px;
  font-size:var(--f3);color:var(--ink-3);pointer-events:none;white-space:nowrap}
#drop{position:absolute;inset:16px;border:1px dashed var(--line-2);border-radius:var(--r-panel);
  display:none;align-items:center;justify-content:center;color:var(--ink-2);font-size:var(--f2)}
#stage.dragging #drop{display:flex}

/* 文字编辑：浮在画布上，不占右栏 */
#textDock{position:absolute;right:332px;top:92px;
  width:352px;padding:12px 14px 4px;border-radius:var(--r-panel);z-index:23;
  background:rgba(16,16,20,.86);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  border:.5px solid var(--line-2);box-shadow:0 22px 54px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.1)}
#textDockClose{position:absolute;top:-9px;right:-9px;width:24px;height:24px;padding:0;border:.5px solid var(--line-2);
  border-radius:50%;background:rgba(26,26,31,.96);color:var(--ink-2);font:inherit;font-size:15px;line-height:1;
  cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 16px rgba(0,0,0,.5)}
#textDockClose:hover{background:rgba(255,255,255,.16);color:#fff}
#textDock .field{margin:0 0 10px}
#textCtl .ctl:last-child{margin-bottom:8px}

/* ---------- 顶栏：左上浮起品牌卡 + 右上导出 ---------- */
#top{position:absolute;left:18px;top:18px;z-index:20;display:flex;align-items:center;gap:10px;
  height:52px;padding:0 16px 0 14px;border-radius:14px}
.brand{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:15px;height:15px}
.brand i{display:block;height:2px;border-radius:2px;background:#fff}
.brand i:nth-child(1){width:15px}
.brand i:nth-child(2){width:10px;opacity:.62}
.brand i:nth-child(3){width:5px;opacity:.36}
.name{font-size:var(--f1);font-weight:600;letter-spacing:-.01em}
#topRight{position:absolute;right:18px;top:18px;z-index:20;display:flex;gap:8px}
.grow{flex:1}

/* ---------- 底栏：画幅切换 ---------- */
#bottom{position:absolute;left:calc((100% - 322px) / 2);bottom:18px;transform:translateX(-50%);z-index:22;
  display:flex;align-items:center;padding:3px;border-radius:var(--pill);height:40px;
  background:rgba(255,255,255,.055);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:.5px solid rgba(255,255,255,.08);box-shadow:none}
#bottom .sep{width:.5px;height:16px;background:var(--line);margin:0 4px}

/* ---------- 右栏 ---------- */
#panel{
  position:absolute;right:18px;top:18px;bottom:104px;width:304px;z-index:20;
  overflow-y:auto;padding:16px 14px;border-radius:var(--r-panel);
}
#panel::-webkit-scrollbar{width:10px}
/* 滚动条不参与圆角裁切，轨道上下缩进，否则会在面板圆角处穿出来 */
#panel::-webkit-scrollbar-track{background:transparent;margin:20px 2px 20px 0}
#panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:var(--pill);
  border:3px solid transparent;background-clip:content-box}
#panel::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.26);background-clip:content-box}

.grp{padding:0 0 14px;margin:0 0 14px;border-bottom:.5px solid var(--line)}
.grp:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.grp h3{display:flex;align-items:baseline;gap:8px;margin:0 0 12px;
  font-size:var(--f3);font-weight:600;color:var(--ink-3);letter-spacing:.08em}
.grp h3 .cur{font-weight:400;color:var(--ink-3);letter-spacing:0;font-size:var(--f3);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis}

/* ---------- 控件 ---------- */
.btn{height:34px;padding:0 14px;border:0;border-radius:var(--r-ctl);background:var(--glass-2);
  color:var(--ink);font:inherit;font-size:var(--f3);cursor:pointer;flex:1;
  transition:background .15s ease-out}
.btn:hover{background:rgba(255,255,255,.12)}
.btn.ghost{background:transparent;border:.5px solid var(--line-2);color:var(--ink-2);flex:none}
.btn.ghost:hover{background:var(--glass);color:var(--ink)}
.btn.primary{background:#fff;color:#0a0a0c;font-weight:600}
.btn.primary:hover{background:#e9eaee}
.btn.narrow{flex:none;padding:0 16px;height:40px;border-radius:var(--pill)}

.row{display:flex;gap:8px}

/* 分段 / 胶囊按钮 */
.chips{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));gap:4px;margin-bottom:12px;
  padding:3px;border-radius:var(--r-ctl);background:rgba(255,255,255,.04)}
.chips.two{--cols:2}
.chips button{height:28px;padding:0 8px;border:0;border-radius:calc(var(--r-ctl) - 3px);
  background:transparent;color:var(--ink-2);font:inherit;font-size:var(--f3);cursor:pointer;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .15s ease-out,color .15s ease-out}
.chips button:hover{color:var(--ink)}
.chips button[aria-selected="true"]{background:rgba(255,255,255,.14);color:#fff;font-weight:500}

#aspectBtn{display:flex;align-items:center;gap:7px;height:34px;padding:0 14px;border:0;
  border-radius:var(--pill);background:transparent;color:var(--ink);font:inherit;font-size:var(--f3);
  font-weight:600;cursor:pointer;font-variant-numeric:tabular-nums}
#aspectBtn:hover{background:rgba(255,255,255,.08)}
#aspectBtn svg{opacity:.5;transition:transform .15s ease-out}
#aspectBtn[aria-expanded="true"] svg{transform:rotate(180deg)}
/* 比例选择：横向一排 */
#aspectMenu{position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);
  display:flex;gap:4px;padding:5px;border-radius:16px;white-space:nowrap;
  background:rgba(20,20,24,.94);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  border:.5px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.12)}
/* hidden 属性要压得住 .row/.field 之类的 display */
[hidden]{display:none !important}
#aspectMenu[hidden]{display:none}
#aspectMenu button{display:flex;align-items:center;justify-content:center;width:62px;height:38px;
  padding:0;border:0;border-radius:11px;background:transparent;color:var(--ink-2);
  font:inherit;font-size:var(--f3);cursor:pointer;font-variant-numeric:tabular-nums;
  transition:background .15s ease-out,color .15s ease-out}
#aspectMenu button:hover{background:rgba(255,255,255,.10);color:var(--ink)}
#aspectMenu button[aria-selected="true"]{background:#fff;color:#0a0a0c;font-weight:700}

/* 滑杆行 */
.ctl{display:grid;grid-template-columns:70px 1fr 40px;align-items:center;gap:10px;margin:0 0 10px;
  font-size:var(--f3);color:var(--ink-2)}
.ctl:last-child{margin-bottom:0}
.ctl b{font-weight:400;text-align:right;color:var(--ink);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.ctl input[type="range"]{width:100%;height:14px;background:transparent;-webkit-appearance:none;appearance:none;cursor:pointer}
.ctl input[type="range"]::-webkit-slider-runnable-track{height:2px;border-radius:2px;background:rgba(255,255,255,.18)}
.ctl input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-5px;
  border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.45)}
.ctl input[type="range"]::-moz-range-track{height:2px;border-radius:2px;background:rgba(255,255,255,.18)}
.ctl input[type="range"]::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#fff}

/* 颜色行 */
.ctl.color{grid-template-columns:70px 34px 1fr}
.ctl input[type="color"]{width:34px;height:26px;padding:0;border:.5px solid var(--line-2);
  border-radius:var(--r-ctl);background:transparent;cursor:pointer}
.ctl input[type="color"]::-webkit-color-swatch-wrapper{padding:2px}
.ctl input[type="color"]::-webkit-color-swatch{border:0;border-radius:6px}
.ctl .hex{width:74px;height:22px;padding:0 5px;border:.5px solid rgba(255,255,255,.1);border-radius:6px;
  background:rgba(255,255,255,.04);outline:none;color:var(--ink-3);font-style:normal;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;text-transform:uppercase;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:var(--f3);
  transition:border-color .15s ease-out,background .15s ease-out,color .15s ease-out}
.ctl .hex:hover{border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.07)}
.ctl .hex:focus{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.07);color:var(--ink)}

/* 开关：白色 */
.toggle{display:flex;align-items:center;justify-content:space-between;height:30px;
  font-size:var(--f3);color:var(--ink-2);cursor:pointer}
.toggle input{appearance:none;-webkit-appearance:none;position:relative;width:28px;height:16px;
  border-radius:var(--pill);background:rgba(255,255,255,.16);cursor:pointer;
  transition:background .18s ease-out;margin:0;flex:none}
.toggle input::after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;
  border-radius:50%;background:#fff;transition:transform .18s ease-out}
.toggle input:checked{background:#fff}
.toggle input:checked::after{transform:translateX(12px);background:#0a0a0c}

select{height:34px;flex:1;background:rgba(255,255,255,.06);color:var(--ink);
  border:.5px solid var(--line-2);border-radius:var(--r-ctl);font:inherit;font-size:var(--f3);padding:0 10px}
.field{width:100%;height:34px;margin:0 0 12px;background:rgba(255,255,255,.06);
  border:.5px solid var(--line-2);border-radius:var(--r-ctl);color:var(--ink);
  font:inherit;font-size:var(--f3);padding:0 10px}
.field[hidden]{display:none}
.note{margin:8px 0 0;font-size:var(--f3);color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 材质球：三列，球 + 标签 ---------- */
.mats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px 6px;margin:0 0 12px}
.sw{width:100%;padding:3px 2px 4px;border:.5px solid transparent;border-radius:14px;
  background:transparent;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;
  transition:background .15s ease-out}
.sw img{width:100%;aspect-ratio:1;display:block;border-radius:50%;object-fit:contain}
.sw span{font-size:12px;color:var(--ink-3);line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.sw:hover{background:rgba(255,255,255,.06)}
.sw[aria-selected="true"]{background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 .5px rgba(255,255,255,.3)}
.sw[aria-selected="true"] span{color:var(--ink)}

/* ---------- 环境卡面 ---------- */
.envs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin:0 0 12px}
.envs button{width:100%;padding:3px 2px 4px;border:.5px solid transparent;border-radius:14px;
  background:transparent;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;
  font:inherit;color:var(--ink-3);transition:background .15s ease-out}
.envs img{display:block;width:100%;aspect-ratio:1;object-fit:contain;border-radius:50%}
.envs b{font-size:12px;font-weight:400;line-height:1;padding:0;text-align:center;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;max-width:100%}
.envs button:hover{background:rgba(255,255,255,.06);color:var(--ink)}
.envs button[aria-selected="true"]{background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 .5px rgba(255,255,255,.3);color:var(--ink)}

/* ---------- 引导：浮层 ---------- */
#quick{position:absolute;left:18px;bottom:18px;width:336px;padding:16px;z-index:25;
  border-radius:var(--r-panel)}
#quick[hidden]{display:none}
#quick .qhead{display:flex;align-items:center;gap:8px;margin-bottom:12px}
#quick h2{margin:0;flex:1;font-size:var(--f3);font-weight:600;color:var(--ink-3);letter-spacing:.08em}
#quick .qclose{width:24px;height:24px;border-radius:var(--r-ctl);border:0;background:transparent;
  color:var(--ink-3);font-size:var(--f3);cursor:pointer;line-height:1}
#quick .qclose:hover{background:rgba(255,255,255,.08);color:var(--ink)}
.qs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.qs button{text-align:left;padding:11px;border:.5px solid var(--line);border-radius:var(--r-ctl);
  background:rgba(255,255,255,.03);color:var(--ink);cursor:pointer;display:flex;flex-direction:column;gap:3px;
  transition:background .15s ease-out,border-color .15s ease-out}
.qs button:hover{background:rgba(255,255,255,.08);border-color:var(--line-2)}
.qs b{font-size:var(--f3);font-weight:600}
.qs span{font-size:var(--f3);color:var(--ink-3)}

#panel::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 60% at 50% 0%, rgba(255,255,255,.06), transparent 60%)}
#panel{position:absolute}


/* 导出：独立胶囊，不受面板滚动影响 */
#exportDock{position:absolute;right:18px;bottom:18px;width:304px;
  z-index:24;padding:6px;border-radius:var(--r-panel)}
#exportMain{display:flex;align-items:center;justify-content:center;gap:9px;height:44px;padding:0 22px;border:0;width:100%;
  border-radius:calc(var(--r-panel) - 6px);background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .15s ease-out,color .15s ease-out}
#exportMain:hover{background:rgba(255,255,255,.10)}
/* 只有展开菜单时才是白色实心，平时保持透明，不抢画面 */
#exportMain[aria-expanded="true"]{background:#fff;color:#0a0a0c}
#exportMain[aria-expanded="true"]:hover{background:#eceef2}
#exportMain .chev{opacity:.55;transition:transform .15s ease-out}
#exportMain[aria-expanded="true"] .chev{transform:rotate(180deg)}
#exportMenu{position:absolute;left:0;right:0;bottom:calc(100% + 12px);padding:12px;border-radius:var(--r-panel);z-index:30;
  background:rgba(18,18,21,.94);-webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px);
  border:.5px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.12)}
#exportMenu[hidden]{display:none}
.menu-title{font-size:var(--f3);color:var(--ink-3);letter-spacing:.06em;padding:2px 4px 10px}
.menu-size{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}
.menu-size button{height:46px;border:0;border-radius:12px;background:rgba(255,255,255,.05);
  color:var(--ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer;
  display:flex;flex-direction:row;align-items:center;justify-content:center;gap:6px;line-height:1;
  transition:background .15s ease-out,border-color .15s ease-out;border:.5px solid transparent}
.menu-size button em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:400}
.menu-size button:hover{background:rgba(255,255,255,.10)}
.menu-size button.on{background:#fff;color:#0a0a0c;border-color:#fff}
.menu-size button.on em{color:rgba(10,10,12,.55)}
.menu-sep{height:.5px;background:var(--line);margin:10px 4px}
.menu-row{display:flex;align-items:center;gap:10px;width:100%;height:46px;padding:0 8px;
  border:0;border-radius:10px;background:transparent;color:var(--ink-2);font:inherit;
  font-size:var(--f3);cursor:pointer;text-align:left;transition:background .15s ease-out,color .15s ease-out}
.menu-row:hover{background:rgba(255,255,255,.07);color:var(--ink)}
.menu-row svg{flex:none;opacity:.85}
.menu-row span{flex:1}
.menu-row em{font-style:normal;color:var(--ink-3)}
.menu-row.on span::after{content:" 录制中";color:#ff8a7a}
#recNote{display:none}

/* 画幅预览遮罩：比例内的区域保持原色，其余压 20% 黑 */
#mask{position:absolute;pointer-events:none;z-index:6;
  box-shadow:0 0 0 9999px rgba(0,0,0,.20), inset 0 0 0 .5px rgba(255,255,255,.18)}

/* 灯光方位盘 */
#lightPad{position:relative;aspect-ratio:1/1;border-radius:var(--r-card);margin:0 0 10px;
  background:rgba(255,255,255,.035);border:.5px solid var(--line);cursor:grab;
  touch-action:none;overflow:hidden}
#lightPad:active{cursor:grabbing}
#lightPad .ln{position:absolute;background:var(--line);pointer-events:none}
#lightPad .ln.v{left:50%;top:0;bottom:0;width:.5px}
#lightPad .ln.h{top:50%;left:0;right:0;height:.5px}
#lightDot{position:absolute;width:16px;height:16px;border-radius:50%;background:#d6d9df;
  transform:translate(-50%,-50%);left:70%;top:30%;pointer-events:none;
  box-shadow:0 2px 10px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.6)}