:root{
  --bg:#151826; --bg2:#191d2c;
  --panel:rgba(255,255,255,.04); --panel-border:rgba(255,255,255,.08);
  --panel-hover:rgba(255,255,255,.07);
  --text:#eef0f6; --muted:#9aa3b8;
  --accent:#ff4d8d; --accent2:#7c5cff;
  --btn-bg:rgba(255,255,255,.05); --btn-border:rgba(255,255,255,.1);
  --radius:14px;
  --shadow:0 8px 32px rgba(0,0,0,.35);
  --font:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:var(--font); background:var(--bg); color:var(--text);
  display:flex; flex-direction:column; overflow:hidden; user-select:none;
  position:relative;
}
.mono{font-family:Consolas,Menlo,monospace}
button{font-family:var(--font)}

/* 背景光晕 */
.bg-glow{position:fixed;width:60vw;height:60vw;border-radius:50%;filter:blur(90px);opacity:.18;pointer-events:none;z-index:0}
.g1{background:radial-gradient(circle,#ff4d8d 0%,transparent 70%);top:-20%;left:-10%}
.g2{background:radial-gradient(circle,#7c5cff 0%,transparent 70%);bottom:-25%;right:-5%}

/* ===== 顶栏 ===== */
.topbar{
  position:relative;z-index:2;
  display:flex; align-items:center; gap:12px; padding:12px 18px;
  background:rgba(21,24,38,.7);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--panel-border);
}
.icon-btn{
  width:36px;height:36px;flex-shrink:0;display:none;align-items:center;justify-content:center;
  background:var(--btn-bg);color:var(--text);border:1px solid var(--btn-border);border-radius:10px;
  font-size:18px;cursor:pointer;transition:.18s;
}
.icon-btn:hover{background:var(--panel-hover)}
.brand{font-size:17px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#fff; font-size:15px;
  box-shadow:0 2px 10px rgba(255,77,141,.4);
}
.brand-text{background:linear-gradient(90deg,var(--text),#b0a6ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;min-width:0}
.btn{
  background:var(--btn-bg); color:var(--text); border:1px solid var(--btn-border);
  padding:7px 13px; border-radius:10px; cursor:pointer; font-size:13px; transition:.18s;
  font-family:var(--font); white-space:nowrap;
}
.btn:hover{background:var(--panel-hover);transform:translateY(-1px);box-shadow:0 4px 14px rgba(0,0,0,.25)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.4;cursor:default;transform:none}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:8px}
.btn.sm.wide{flex:1}
.btn.danger:hover{color:#ff6b6b;border-color:rgba(255,107,107,.4)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent2)); border:none; color:#fff; font-weight:700;
  box-shadow:0 4px 16px rgba(255,77,141,.35);
}
.btn-accent:hover{filter:brightness(1.12)}
.btn.play{font-weight:700}
.btn.play.running{background:linear-gradient(135deg,#ffb347,#ff6b6b);box-shadow:0 4px 16px rgba(255,107,107,.4)}
.field{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);white-space:nowrap}
select,input[type=number],input[type=text]{
  background:rgba(255,255,255,.06); color:var(--text); border:1px solid var(--btn-border);
  border-radius:8px; padding:5px 9px; font-size:13px; outline:none;
}
select{cursor:pointer}
select:hover{border-color:rgba(255,255,255,.2)}
input[type=number]{width:64px}
input[type=number]:focus,input[type=text]:focus{border-color:var(--accent)}
.bg-field{font-size:12px;color:var(--muted)}
.bg-field input[type=color]{width:26px;height:26px;border:none;padding:0;background:none;cursor:pointer;border-radius:6px}
.bg-field input[type=color]::-webkit-color-swatch-wrapper{padding:0}
.bg-field input[type=color]::-webkit-color-swatch{border:none;border-radius:6px}
.bg-field input[type=checkbox]{accent-color:var(--accent)}
.sep{width:1px;height:22px;background:var(--panel-border);margin:0 4px;flex-shrink:0}
.vsep{width:1px;height:18px;background:var(--panel-border);margin:0 2px}

/* ===== 工作区 ===== */
.workbench{position:relative;z-index:1;flex:1;display:flex;min-height:0}
.panel{
  width:232px; padding:14px; flex-shrink:0; display:flex; flex-direction:column; gap:16px;
  background:var(--panel); border-right:1px solid var(--panel-border); overflow-y:auto;
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
.panel.right{border-right:none;border-left:1px solid var(--panel-border);justify-content:flex-start}

/* ===== 顶部工具条 ===== */
.ribbon{
  display:flex;align-items:center;gap:8px;padding:8px 14px;flex-shrink:0;position:relative;z-index:2;
  background:rgba(21,24,38,.6);border-bottom:1px solid var(--panel-border);
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;
}
.rb-group{display:flex;align-items:center;gap:5px;flex-shrink:0}
.rb-sep{width:1px;height:22px;background:var(--panel-border);flex-shrink:0;margin:0 3px}
.rb-lbl{font-size:11px;color:var(--muted);white-space:nowrap}
.rb-val{min-width:22px;text-align:right;color:var(--text);font-size:13px}
.rb-tool{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--btn-border);
  border-radius:9px;cursor:pointer;font-size:17px;line-height:1;transition:.15s;padding:0;
}
.rb-tool .t-ico{font-size:17px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.4))}
.rb-tool:hover{background:var(--panel-hover);transform:translateY(-1px)}
.rb-tool.active{
  border-color:transparent;color:#fff;
  background:linear-gradient(160deg,rgba(255,77,141,.5),rgba(124,92,255,.5));
  box-shadow:0 0 0 1px rgba(255,255,255,.15),0 4px 12px rgba(255,77,141,.3);
}
.rb-brush input[type=range]{width:120px;accent-color:var(--accent);cursor:pointer}
.rb-sw{font-size:11px;color:var(--muted);white-space:nowrap}

/* 自定义画布尺寸 */
.custom-size{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:12px;color:var(--muted)}
.custom-size input[type=number]{width:64px}

/* 可折叠分区 */
.block .btitle{cursor:pointer;user-select:none}
.block .btitle .chev{font-size:9px;color:var(--muted);transition:transform .18s;flex-shrink:0}
.block.collapsed .btitle .chev{transform:rotate(-90deg)}
.block.collapsed .bbody{display:none}
.sub{font-size:11px;color:var(--muted);display:block;margin-top:11px;margin-bottom:2px}

/* 画布弹窗 */
.cm-block h4{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:9px;font-weight:700}
#canvasModal .cm-preview{width:150px;height:150px}
#canvasModal #preview{max-width:140px;max-height:140px}
.block h3{
  font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:1.6px;
  margin-bottom:9px; display:flex; align-items:center; gap:6px; font-weight:700; flex-shrink:0;
}
.block h3::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--panel-border),transparent)}
.count{
  background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#fff;
  border-radius:10px; padding:0 7px; font-size:11px; line-height:16px;
}
.palette-head{display:flex;align-items:center;gap:8px}
.palette-head select{flex:1;font-size:12px;padding:4px 6px;min-width:0}
.palette-head h3{margin-bottom:0}
.palette-head .btn{flex-shrink:0}

/* 工具按钮 */
.tool-grid{display:grid;gap:7px}
.tool-grid.grid-2{grid-template-columns:1fr 1fr}
.tool-grid.grid-3{grid-template-columns:repeat(3,1fr)}
.tool-btn{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:rgba(255,255,255,.05); color:var(--text); border:1px solid var(--btn-border);
  padding:9px 3px; border-radius:11px; cursor:pointer; font-size:11px; transition:.18s;
  font-family:var(--font); line-height:1;
}
.tool-btn .t-ico{font-size:18px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.4))}
.tool-btn:hover{background:var(--panel-hover);transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.3)}
.tool-btn.active{
  border-color:transparent; color:#fff;
  background:linear-gradient(160deg,rgba(255,77,141,.5),rgba(124,92,255,.5));
  box-shadow:0 0 0 1px rgba(255,255,255,.15),0 6px 18px rgba(255,77,141,.35);
}
.hint{font-size:11px;color:var(--muted);margin-top:6px;line-height:1.5}

/* 分段选择 */
.seg{display:flex;gap:5px}
.seg-btn{
  flex:1; background:rgba(255,255,255,.05);color:var(--muted);border:1px solid var(--btn-border);
  border-radius:8px; padding:7px 0; cursor:pointer; font-size:12px; transition:.15s; font-family:var(--font); font-weight:600;
}
.seg-btn:hover{color:var(--text);background:var(--panel-hover)}
.seg-btn.active{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 3px 10px rgba(255,77,141,.3);
}

/* 笔刷 */
.brush-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.brush-row input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer}
.brush-row b{min-width:22px;text-align:right;color:var(--text);font-size:13px}

/* 图层 */
.layers{list-style:none;display:flex;flex-direction:column;gap:6px;max-height:176px;overflow-y:auto;margin-top:2px}
.layer-item{
  display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:9px;
  background:rgba(255,255,255,.04);border:1px solid var(--btn-border);cursor:pointer;font-size:12px;transition:.15s;
}
.layer-item:hover{background:var(--panel-hover)}
.layer-item.active{
  border-color:transparent;
  background:linear-gradient(160deg,rgba(255,77,141,.35),rgba(124,92,255,.35));
  box-shadow:0 0 0 1px rgba(255,255,255,.12);
}
.layer-item .eye{color:var(--muted);font-size:13px;width:16px;text-align:center;cursor:pointer;flex-shrink:0}
.layer-item .eye:hover{color:var(--text)}
.layer-item .eye.hidden{opacity:.35}
.layer-item .lnm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.layer-item .lmini{
  width:22px;height:22px;border-radius:4px;border:1px solid rgba(255,255,255,.2);
  image-rendering:pixelated;flex-shrink:0;background:#181c28;
}
.ops-row{display:flex;gap:5px;margin-top:7px;align-items:center;flex-wrap:wrap}
.ops-lbl{font-size:10px;color:var(--muted);margin-left:auto}
.opacity-row{display:flex;align-items:center;gap:7px;margin-top:8px;font-size:11px;color:var(--muted)}
.opacity-row input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer}
.opacity-row b{min-width:40px;text-align:right;color:var(--text)}
.lbl{font-size:11px;white-space:nowrap}

/* 开关 */
.switch{display:inline-flex;align-items:center;gap:7px;cursor:pointer;user-select:none}
.switch input{display:none}
.switch .track{
  width:28px;height:15px;border-radius:8px;background:rgba(255,255,255,.15);position:relative;transition:.2s;flex-shrink:0;
}
.switch .track::after{
  content:"";position:absolute;top:2px;left:2px;width:11px;height:11px;border-radius:50%;
  background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.4);
}
.switch input:checked + .track{background:linear-gradient(135deg,var(--accent),var(--accent2))}
.switch input:checked + .track::after{left:15px}
.fill-row{font-size:12px;color:var(--muted);margin-top:8px}

/* 颜色 */
.color-field{display:flex;align-items:center;gap:10px}
#colorPicker{
  width:52px;height:52px;border:none;border-radius:12px;cursor:pointer;padding:0;background:none;flex-shrink:0;
  box-shadow:0 0 0 2px rgba(255,255,255,.12),0 6px 18px rgba(0,0,0,.35);
}
#colorPicker::-webkit-color-swatch-wrapper{padding:0}
#colorPicker::-webkit-color-swatch{border:none;border-radius:10px}
.color-meta{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.hex-input{font-size:14px;letter-spacing:.5px;width:100%}
.micro{font-size:10px;color:var(--muted)}
.hsb-row{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.hsb-line{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.hsb-lbl{width:28px;flex-shrink:0}
.hsb-line input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer}
.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:5px;margin-top:9px}
.swatch{
  aspect-ratio:1; border-radius:7px; cursor:pointer; border:none;
  transition:transform .12s,box-shadow .12s; position:relative;
  box-shadow:0 1px 3px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.35), inset 0 -1px 0 rgba(0,0,0,.25);
}
.swatch::after{content:"";position:absolute;inset:0;border-radius:7px;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.28),rgba(255,255,255,.05) 45%,rgba(0,0,0,.15))}
.swatch:hover{transform:scale(1.18);z-index:2;box-shadow:0 4px 12px rgba(0,0,0,.4)}
.swatch.active{outline:2px solid #fff;outline-offset:2px}
.swatch.cust{position:relative}
.swatch .x{
  position:absolute;top:0;right:0;width:12px;height:12px;line-height:12px;text-align:center;font-size:8px;
  background:rgba(0,0,0,.6);color:#fff;border-radius:0 7px 0 6px;display:none;z-index:3;cursor:pointer;
}
.swatch.cust:hover .x{display:block}
.palette#recentColors:empty::before,.palette#customPalette:empty::before{content:"暂无";font-size:11px;color:var(--muted)}

/* 画布操作 */
.resize-row{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.resize-row input[type=number]{width:56px}
.resize-row select{font-size:12px}

/* ===== 画布舞台 ===== */
.center{flex:1;display:flex;flex-direction:column;min-width:0;padding:16px 20px 8px}
.stage{
  flex:1; display:flex; align-items:center; justify-content:center; min-height:0;
  background:rgba(9,11,18,.5);
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:24px 24px;
  border:1px solid var(--panel-border); border-radius:var(--radius);
  overflow:hidden; position:relative;
  box-shadow:inset 0 2px 12px rgba(0,0,0,.5);
  padding:14px;
}
.viewport{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:auto;-webkit-overflow-scrolling:touch}
.canvas-wrap{position:relative;line-height:0;flex-shrink:0}
.sel-marquee{
  position:absolute;pointer-events:none;z-index:5;display:none;
  background:rgba(124,92,255,.16);
  border:1px dashed rgba(124,92,255,.95);
  box-shadow:0 0 0 1px rgba(0,0,0,.3);
  animation:selpulse 1.2s ease-in-out infinite;
}
.sel-marquee.show{display:block}
@keyframes selpulse{0%,100%{box-shadow:0 0 0 1px rgba(124,92,255,.35),0 0 0 9999px rgba(0,0,0,.16)}50%{box-shadow:0 0 0 1px rgba(124,92,255,.5),0 0 0 9999px rgba(0,0,0,.24)}}
#board{
  image-rendering:pixelated;
  border:1px solid rgba(255,255,255,.14); border-radius:3px;
  box-shadow:0 12px 40px rgba(0,0,0,.6),0 0 0 1px #000;
  touch-action:none; cursor:crosshair;
}

/* 帧动画栏 */
.frames-bar{
  display:flex;align-items:center;gap:10px;margin-top:12px;padding:10px 12px;
  background:rgba(255,255,255,.04);border:1px solid var(--panel-border);border-radius:12px;
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
}
.frames-scroll{display:flex;gap:8px;overflow-x:auto;flex:1;min-width:0;padding:2px;-webkit-overflow-scrolling:touch}
.frame-item{
  position:relative;flex-shrink:0;width:64px;height:64px;border-radius:8px;cursor:pointer;
  border:1px solid var(--btn-border);overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:rgba(9,11,18,.6);transition:.15s;
  background-image:repeating-conic-gradient(rgba(255,255,255,.06) 0% 25%,transparent 0% 50%);
  background-size:12px 12px;
}
.frame-item canvas{image-rendering:pixelated;max-width:82%;max-height:82%;border-radius:2px}
.frame-item .fnum{
  position:absolute;left:3px;top:2px;font-size:9px;color:#fff;background:rgba(0,0,0,.55);
  border-radius:4px;padding:0 4px;line-height:14px;z-index:2;
}
.frame-item:hover{border-color:rgba(255,255,255,.3);transform:translateY(-1px)}
.frame-item.active{
  border-color:transparent;
  box-shadow:0 0 0 2px var(--accent),0 4px 14px rgba(255,77,141,.4);
}
.frames-ops{display:flex;align-items:center;gap:6px;flex-shrink:0}
.f-delay{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);white-space:nowrap}
.f-delay input{width:52px;font-size:12px;padding:4px 6px}
.frame-count{font-size:12px;color:var(--muted);white-space:nowrap}

/* 帧卡片操作按钮 + 拖拽排序 */
.frame-item .f-ops{
  position:absolute;right:3px;top:2px;display:flex;gap:2px;z-index:3;opacity:0;transition:.15s;
}
.frame-item:hover .f-ops{opacity:1}
.f-btn{
  background:rgba(0,0,0,.6);border:none;color:#fff;cursor:pointer;
  width:16px;height:16px;line-height:1;font-size:10px;border-radius:4px;padding:0;
}
.f-btn:hover{background:var(--accent)}
.frame-item .f-arr{position:absolute;bottom:2px;left:50%;transform:translateX(-50%);display:flex;gap:2px;z-index:3;opacity:0;transition:.15s}
.frame-item:hover .f-arr{opacity:1}
.frame-item.dragging{opacity:.5;cursor:grabbing}
.frame-item.ghost{opacity:.15}
.frame-item.drop-before{box-shadow:-3px 0 0 0 var(--accent)}
.frame-item.drop-after{box-shadow:3px 0 0 0 var(--accent)}
.frames-scroll.drag-active{background:rgba(255,77,141,.05)}

/* 状态栏 */
.statusbar{
  display:flex; align-items:center; gap:10px; padding:10px 2px 12px;
  font-size:12px; color:var(--muted); flex-wrap:wrap;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.04); border:1px solid var(--btn-border);
  padding:5px 10px; border-radius:9px; font-size:12px;
}
.statusbar input[type=range]{width:110px;accent-color:var(--accent);cursor:pointer}
.statusbar b{color:var(--text)}
.spacer{flex:1}

/* ===== 右侧 ===== */
.preview-wrap{
  width:100%; aspect-ratio:1; border-radius:var(--radius);
  background:rgba(9,11,18,.5); border:1px solid var(--panel-border);
  display:flex; align-items:center; justify-content:center;
  box-shadow:inset 0 2px 8px rgba(0,0,0,.4);
  background-image:repeating-conic-gradient(rgba(255,255,255,.04) 0% 25%,transparent 0% 50%);
  background-size:16px 16px; overflow:hidden;
}
#preview{image-rendering:pixelated;box-shadow:0 3px 12px rgba(0,0,0,.5);max-width:96%;max-height:96%}
.work-list{list-style:none;display:flex;flex-direction:column;gap:7px;margin-top:5px}
.work-item{
  display:flex; align-items:center; gap:9px; padding:8px; border-radius:12px;
  background:rgba(255,255,255,.05); border:1px solid var(--btn-border); font-size:12px; transition:.15s;
}
.work-item:hover{border-color:rgba(255,255,255,.2);transform:translateX(-2px)}
.work-item canvas{image-rendering:pixelated;border-radius:5px;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.work-item .meta{flex:1;min-width:0}
.work-item .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.work-item .dt{color:var(--muted);font-size:11px}
.work-item button{
  background:none;border:none;color:var(--muted);cursor:pointer;font-size:15px;padding:3px 5px;border-radius:6px;transition:.15s;
}
.work-item button:hover{color:#ff6b6b;background:rgba(255,107,107,.12)}

/* ===== 弹窗 ===== */
.modal{
  position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  padding:20px;
}
.modal.show{display:flex}
.modal-card{
  width:min(440px,94vw);max-height:88vh;overflow-y:auto;
  background:rgba(24,28,42,.96);border:1px solid var(--panel-border);border-radius:18px;
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
}
.modal-card h3{font-size:15px;color:var(--text)}
.modal-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.modal-row input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer;min-width:120px}

/* ===== 文字工具输入条 ===== */
.textbar{
  position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:75;
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:rgba(24,28,42,.96);border:1px solid var(--panel-border);border-radius:14px;box-shadow:var(--shadow);
}
.textbar input[type=text]{width:min(220px,60vw)}
.textbar input[type=number]{width:56px}

/* ===== 提示条 ===== */
.toast{
  position:fixed; top:18px; left:50%; transform:translate(-50%,-24px);
  background:rgba(30,34,50,.92); color:var(--text); border:1px solid rgba(255,255,255,.14);
  padding:9px 18px; border-radius:999px; font-size:13px; z-index:99;
  opacity:0; pointer-events:none; transition:opacity .25s,transform .25s;
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  box-shadow:0 8px 24px rgba(0,0,0,.4); max-width:90vw;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 抽屉遮罩 ===== */
.drawer-backdrop{
  position:fixed;inset:0;z-index:65;display:none;background:rgba(0,0,0,.55);
  opacity:0;transition:opacity .25s;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.drawer-backdrop.show{display:block;opacity:1}

/* ===== 作品库抽屉（右侧弹出） ===== */
.works-drawer{
  position:fixed;top:0;right:0;z-index:72;height:100vh;width:min(360px,88vw);
  transform:translateX(105%);transition:transform .28s ease;
  background:rgba(21,24,38,.98);border-left:1px solid var(--panel-border);
  box-shadow:0 12px 44px rgba(0,0,0,.6);padding:20px 16px;overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.works-drawer.open{transform:none}
.wd-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.wd-head h3{font-size:14px;display:flex;align-items:center;gap:6px}
.wd-close{display:inline-flex;background:rgba(255,255,255,.06)}
.works-backdrop{
  position:fixed;inset:0;z-index:71;display:none;background:rgba(0,0,0,.5);
  opacity:0;transition:opacity .25s;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.works-backdrop.show{display:block;opacity:1}

/* 滚动条 */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}
::-webkit-scrollbar-track{background:transparent}

/* ===== 移动端响应式 ===== */
@media (max-width:1024px){
  body{overflow:hidden}
  #menuBtn{display:inline-flex}
  .topbar{gap:8px;padding:10px 12px}
  .ribbon{padding:7px 10px;gap:6px}
  .rb-brush input[type=range]{width:96px}
  .top-actions{overflow-x:auto;white-space:nowrap;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .brand-text{font-size:15px}
  .sep{display:none}
  .bg-field{display:none}

  /* 左侧面板 → 抽屉 */
  .panel.left{
    position:fixed;top:0;left:0;z-index:70;height:100vh;width:min(86vw,340px);
    transform:translateX(-105%);transition:transform .28s ease;
    border-right:1px solid var(--panel-border);background:#151826;
    box-shadow:0 12px 44px rgba(0,0,0,.6);
    padding:64px 14px 20px;overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .panel.left.open{transform:none}
  .panel.right{display:none}

  .center{padding:10px 10px 6px}
  .stage{padding:8px}
  .frames-bar{flex-wrap:wrap;gap:8px;margin-top:10px;padding:8px 10px}
  .frames-scroll{flex-basis:100%;order:1}
  .frames-ops{width:100%;justify-content:flex-end}

  .statusbar{gap:8px;padding:8px 2px 10px}
  .statusbar input[type=range]{width:84px}
  .chip{padding:4px 8px}

  /* 触屏设备：帧操作按钮常显，隐藏拖拽提示 */
  @media (hover:none){
    .frame-item .f-ops,.frame-item .f-arr{opacity:1}
    .frame-item:hover{border-color:var(--btn-border);transform:none}
  }
  .f-arr{display:flex}
}