:root{
  --bg:#1c1f26; --panel:#262a33; --panel2:#2f343f; --line:#3a3f4b;
  --txt:#e6e8ec; --sub:#9aa1ad; --accent:#4ea1ff; --accent2:#37c98a; --danger:#ff6b6b;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);font-size:13px}
body{display:flex;flex-direction:column}

/* 顶栏 + tab */
#topbar{height:46px;flex:0 0 46px;display:flex;align-items:center;gap:18px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:6px}
.tab{background:transparent;color:var(--sub);border:1px solid transparent;padding:6px 14px;border-radius:7px;cursor:pointer;font-size:13px}
.tab.on{background:var(--panel2);color:#fff;border-color:var(--line);font-weight:600}
#wsBar{display:flex;align-items:center;gap:6px;margin-left:20px}
#wsBar .tbtn{padding:4px 8px}
#wsBar .ws-label{font-size:11px;color:var(--sub);letter-spacing:.5px;margin-left:6px}
#wsBar #wsProject{max-width:160px}
.ws-status{font-size:11px;color:var(--sub);margin-left:4px;white-space:nowrap}
#topbar .brand{color:var(--sub);font-size:12px;margin-left:auto}
#topbar .brand a{color:var(--accent);text-decoration:none}

#views{flex:1;min-height:0}
.view{display:flex;height:100%}
[hidden]{display:none !important}

/* ===== 左侧控制面板（处理模式） ===== */
#side{width:312px;min-width:312px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto}
.grp{padding:14px 16px;border-bottom:1px solid var(--line)}
.grp .lbl{color:var(--sub);font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}
.hint{color:var(--sub);font-size:11px;line-height:1.6;margin:8px 0 4px}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;vertical-align:middle}
#engineSeg,#exFmt{display:flex;width:100%}
.seg button{flex:1;background:var(--panel2);color:var(--sub);border:none;padding:6px 12px;cursor:pointer;font-size:12px}
.seg button.on{background:var(--accent);color:#fff;font-weight:600}

.slider{margin:12px 0}
.slider .head{display:flex;justify-content:space-between;margin-bottom:4px;font-size:12px;color:var(--sub)}
.slider .head .v{color:var(--accent);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--accent)}

.check{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none;margin-top:10px}
.check input{accent-color:var(--accent2);width:15px;height:15px}
.row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--sub)}
.row2{display:flex;align-items:center;gap:6px;margin-top:8px}
.row2 input[type=number]{width:64px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:4px 6px}
.row2 label{color:var(--sub);font-size:12px;margin-right:2px}

button.act{width:100%;padding:9px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);border-radius:6px;cursor:pointer;font-size:12px;margin-top:8px;transition:.12s}
button.act:hover{border-color:var(--accent);color:#fff}
button.act.eye.on{background:var(--accent2);border-color:var(--accent2);color:#06281c;font-weight:600}
button.primary{background:var(--accent2);border-color:var(--accent2);color:#06281c;font-weight:700}
button.primary:hover{filter:brightness(1.08)}
button.danger{border-color:#5a3a3f}
button.danger:hover{border-color:var(--danger);color:var(--danger)}
button.act:disabled{opacity:.4;cursor:not-allowed}

.stat{display:flex;justify-content:space-between;color:var(--sub);font-size:12px;margin:6px 0;font-variant-numeric:tabular-nums}
.stat b{color:var(--txt);font-weight:600}
.swatch{width:16px;height:16px;border-radius:4px;border:1px solid var(--line);display:inline-block;vertical-align:middle}

/* ===== 右侧画布（处理模式） ===== */
#main{flex:1;display:flex;flex-direction:column;min-width:0}
#toolbar{height:46px;display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);font-size:12px;color:var(--sub)}
#toolbar .fname{color:var(--txt);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#toolbar .grow{flex:1}
#toolbar select,#toolbar input[type=range]{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:3px 6px}
#toolbar .bgctl{display:inline-flex;align-items:center;gap:8px}
.tbtn{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:4px 9px;cursor:pointer;font-size:12px;white-space:nowrap}
.tbtn:hover{border-color:var(--accent);color:#fff}

#stage{flex:1;overflow:auto;position:relative;display:flex;align-items:center;justify-content:center}
.checker{background-image:
  linear-gradient(45deg,#41464f 25%,transparent 25%),linear-gradient(-45deg,#41464f 25%,transparent 25%),
  linear-gradient(45deg,transparent 75%,#41464f 75%),linear-gradient(-45deg,transparent 75%,#41464f 75%);
  background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0}
.bg-black{background:#000}.bg-white{background:#fff}.bg-magenta{background:#f0f}
#cv{display:block;cursor:crosshair;box-shadow:0 0 0 1px rgba(255,255,255,.08)}

#drop{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--sub);text-align:center}
#drop.hide{display:none}
#drop .big{font-size:17px;color:var(--txt)}
#drop kbd{background:var(--panel2);border:1px solid var(--line);border-radius:4px;padding:1px 6px;font-size:11px}
#stage.dragover{outline:2px dashed var(--accent);outline-offset:-12px}

/* ===== 拼装模式 ===== */
#trayPanel{width:208px;min-width:208px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column}
.tray-head{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--line);font-size:12px;color:var(--sub)}
#tray{flex:1;overflow-y:auto;padding:12px}
#trayPanel.dragover{outline:2px dashed var(--accent);outline-offset:-6px}
.tray-empty{color:var(--sub);font-size:12px;line-height:1.7;text-align:center;margin-top:40px}
.tray-item{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:8px;position:relative}
.tray-thumb{cursor:pointer;border-radius:4px;background:
  linear-gradient(45deg,#41464f 25%,transparent 25%),linear-gradient(-45deg,#41464f 25%,transparent 25%),
  linear-gradient(45deg,transparent 75%,#41464f 75%),linear-gradient(-45deg,transparent 75%,#41464f 75%);
  background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0;max-width:64px;max-height:64px}
.tray-meta{flex:1;min-width:0}
.tray-meta .tn{font-size:12px;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tray-meta .td{font-size:11px;color:var(--sub);font-variant-numeric:tabular-nums}
.tray-del{position:absolute;top:4px;right:4px;width:18px;height:18px;border:none;border-radius:4px;background:transparent;color:var(--sub);cursor:pointer;font-size:12px}
.tray-del:hover{color:var(--danger);background:rgba(255,107,107,.12)}
.tray-vis{margin-top:4px;border:1px solid var(--line);border-radius:4px;background:var(--bg);cursor:pointer;font-size:12px;line-height:1;padding:2px 6px}
.tray-vis:hover{border-color:var(--accent)}
.hidden-item{opacity:.55}
.hidden-item .tray-thumb{opacity:.35;filter:grayscale(.6)}
.hidden-item .tray-vis{border-color:var(--accent2);color:var(--accent2)}

#boardWrap{flex:1;overflow:auto;display:flex;align-items:safe center;justify-content:safe center;background:#15171c;position:relative}
#board{box-shadow:0 0 0 1px rgba(255,255,255,.1),0 8px 30px rgba(0,0,0,.4);margin:auto}
#boardZoomBar{position:absolute;top:10px;right:10px;z-index:5;display:flex;align-items:center;gap:6px;
  background:rgba(38,42,51,.92);border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:12px;color:var(--sub);font-variant-numeric:tabular-nums}
#boardZoomBar .tbtn{padding:2px 8px}
#boardZoomV{min-width:42px;text-align:center}

#inspector{width:264px;min-width:264px;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto}

/* ===== 模板 / 规格模式（复用拼装样式） ===== */
#specList{width:208px;min-width:208px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column}
#slotList{flex:1;overflow-y:auto;padding:8px}
.slot-row{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:7px 9px;margin-bottom:6px;cursor:pointer;position:relative}
.slot-row.on{border-color:var(--accent)}
.slot-summary{font-size:11px;color:var(--sub);padding:2px 2px 8px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.slot-row .slot-cb{accent-color:var(--accent2);width:14px;height:14px;flex:0 0 auto;cursor:pointer;margin:0}
.slot-row .sdot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.slot-row .sn{flex:1;font-size:12px;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot-row .sd{font-size:11px;color:var(--sub);font-variant-numeric:tabular-nums;margin-right:14px}
#specBoardWrap{flex:1;overflow:auto;display:flex;align-items:safe center;justify-content:safe center;background:#15171c;position:relative}
#specBoard{box-shadow:0 0 0 1px rgba(255,255,255,.1),0 8px 30px rgba(0,0,0,.4);margin:auto;cursor:crosshair}
#specZoomBar{position:absolute;top:10px;right:10px;z-index:5;display:flex;align-items:center;gap:6px;
  background:rgba(38,42,51,.92);border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:12px;color:var(--sub);font-variant-numeric:tabular-nums}
#specZoomBar .tbtn{padding:2px 8px}
#specZoomV{min-width:42px;text-align:center}
/* ===== 效果图工作台 ===== */
#mockSide{width:300px;min-width:300px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto}
#mockSide textarea{width:100%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:6px;font-family:inherit;font-size:12px;resize:vertical}
#mockSide input[type=text],#mockSide input[type=number]{flex:1;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:4px 6px;min-width:0}
#mockStage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#15171c;position:relative;overflow:auto;padding:20px;gap:14px}
.mock-empty{color:var(--sub);text-align:center;font-size:15px;line-height:1.9}.mock-empty span{font-size:12px}
#mockCarousel{display:flex;align-items:center;gap:14px;max-width:100%}
#mockBig{max-width:62vw;max-height:72vh;border-radius:10px;box-shadow:0 0 0 1px rgba(255,255,255,.1),0 10px 40px rgba(0,0,0,.5);touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none}
.mnav{width:38px;height:38px;min-width:38px;border-radius:50%;border:1px solid var(--line);background:var(--panel2);color:var(--txt);font-size:20px;cursor:pointer}
.mnav:hover{border-color:var(--accent);color:#fff}
.mock-counter{color:var(--sub);font-size:12px;font-variant-numeric:tabular-nums}
#mockThumbs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:80%}
.vthumb{width:54px;height:54px;object-fit:cover;border-radius:6px;cursor:pointer;border:2px solid transparent;opacity:.55}
.vthumb.on{border-color:var(--accent);opacity:1}
.mref{display:flex;gap:8px;flex-wrap:wrap;min-height:40px;align-items:center}
.mref .ph{color:var(--sub);font-size:12px}
.rthumb{position:relative;display:inline-block}
.rthumb img{width:52px;height:52px;object-fit:cover;border-radius:6px;border:1px solid var(--line);display:block}
.rthumb button{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;border:none;background:var(--danger);color:#fff;font-size:11px;cursor:pointer;line-height:1}
#aiStatus .ok{color:var(--accent2)}#aiStatus .off{color:var(--sub)}

/* ===== 动画工作台（复用 mock 布局） ===== */
#animSide{width:280px;min-width:280px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto}
#animSide input[type=number]{flex:1;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:4px 6px;min-width:0}
#animStage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#15171c;position:relative;overflow:auto;padding:20px;gap:12px}
#animCanvas{border-radius:8px;box-shadow:0 0 0 1px rgba(255,255,255,.1),0 8px 30px rgba(0,0,0,.45);background:
  linear-gradient(45deg,#41464f 25%,transparent 25%),linear-gradient(-45deg,#41464f 25%,transparent 25%),
  linear-gradient(45deg,transparent 75%,#41464f 75%),linear-gradient(-45deg,transparent 75%,#41464f 75%);
  background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}

/* HTML→规格 捕获模态 */
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.72);display:flex;flex-direction:column}
.modal-head{height:44px;display:flex;align-items:center;gap:16px;padding:0 16px;color:var(--txt);background:var(--panel);border-bottom:1px solid var(--line);font-size:13px}
.modal-head .tbtn{margin-left:auto}
#htmlFrameWrap{flex:1;overflow:auto;padding:12px;display:flex;align-items:flex-start}
#htmlFrame{border:0;background:#fff;cursor:crosshair}

#specInspector{width:264px;min-width:264px;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto}
#specInspector input[type=text],#specInspector select,#specInspector input[type=number]{flex:1;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:4px 6px;min-width:0}
#specInspector textarea{width:100%;margin-top:8px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:5px;padding:6px;font-family:inherit;font-size:12px;resize:vertical}
#jsonView{font-family:"Consolas",monospace;font-size:11px;line-height:1.45;white-space:pre;overflow:auto}
.palette{display:flex;gap:4px;margin:6px 0 2px}
.palette .pal{width:22px;height:22px;border-radius:4px;border:1px solid var(--line)}
.child-row{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:5px 7px;margin-bottom:5px;cursor:pointer}
.child-row.on{border-color:var(--accent)}
.child-row select{flex:1;background:var(--bg);color:var(--txt);border:1px solid var(--line);border-radius:4px;padding:2px 4px;font-size:12px}
.child-row .cz{font-size:11px;color:var(--sub);font-variant-numeric:tabular-nums;white-space:nowrap}