/* /loom 功能页样式(自原型迁出,行为零改动) */
body.loom-page{overflow:hidden}
#pillar{position:fixed;inset:0;display:block;z-index:0;mix-blend-mode:screen} /* 同 LightPillar 组件容器的 mixBlendMode */
/* 剧照垫底:织机/世界树两张随 morph 交叉淡化(由场景脚本逐帧控制 opacity) */
#still{position:fixed;inset:-3%;z-index:0;pointer-events:none;
  background:url("../assets/loom-still.jpg") center/cover no-repeat;
  filter:blur(5px) saturate(1.08);opacity:.85}
#stillTree{position:fixed;inset:-3%;z-index:0;pointer-events:none;
  background:url("../assets/tree-still.jpg") center/cover no-repeat;
  filter:blur(3px) saturate(1.08);opacity:0}
#loom{position:fixed;inset:0;display:block;z-index:1;filter:saturate(1.18) contrast(1.06)}
.vignette{position:fixed;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(120% 95% at 50% 50%, transparent 50%, rgba(0,0,0,.62) 100%),
    linear-gradient(180deg, rgba(0,0,0,.5), transparent 16%, transparent 84%, rgba(0,0,0,.6));
}

header{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:14px 22px}
.brand{display:flex;align-items:baseline;gap:14px}
.brand h1{color:var(--bone);font-size:19px;font-weight:800;letter-spacing:.42em;text-indent:.42em;text-shadow:0 0 18px rgba(26,255,140,.45)}
.brand h1 a{color:inherit;text-decoration:none}
.brand .sub{font-family:var(--mono);font-size:10px;letter-spacing:.28em;color:var(--loom-soft);border:1px solid var(--line);padding:3px 8px;border-radius:2px;opacity:.85}
.topbtns{display:flex;gap:10px}

#morphBtn{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:10;width:64px;height:64px;border-radius:50%;
  border:1px solid var(--line);background:rgba(4,20,14,.7);cursor:pointer;display:grid;place-items:center;
  transition:box-shadow .3s,border-color .3s;backdrop-filter:blur(8px)}
#morphBtn:hover{border-color:var(--loom);box-shadow:0 0 30px rgba(26,255,140,.45)}
#morphBtn svg{width:30px;height:30px;transition:transform .9s cubic-bezier(.7,0,.2,1)}
#morphBtn.tree svg{transform:rotate(180deg)}
#morphBtn .hint{position:absolute;top:-26px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10px;
  letter-spacing:.3em;text-indent:.3em;color:var(--loom-soft);white-space:nowrap;opacity:.8;pointer-events:none}

#panel{position:fixed;top:64px;left:18px;bottom:18px;z-index:9;width:330px;max-width:calc(100vw - 36px);
  background:var(--panel);border:1px solid var(--line);border-radius:4px;backdrop-filter:blur(14px);
  display:flex;flex-direction:column;transition:transform .4s cubic-bezier(.7,0,.2,1),opacity .4s;
  box-shadow:0 0 40px rgba(0,0,0,.5), inset 0 0 60px rgba(26,255,140,.03)}
#panel.hidden{transform:translateX(-110%);opacity:0;pointer-events:none}
#panel .ph{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--line)}
#panel .ph b{color:var(--bone);font-size:13px;letter-spacing:.3em;font-weight:700}
#panel .ph .x{background:none;border:none;color:var(--loom-dim);font-size:16px;cursor:pointer;padding:2px 6px}
#panel .ph .x:hover{color:var(--loom)}
#panel .body{flex:1;overflow-y:auto;padding:14px 16px 18px;scrollbar-width:thin;scrollbar-color:var(--loom-dim) transparent}
#panel .body::-webkit-scrollbar{width:5px}
#panel .body::-webkit-scrollbar-thumb{background:var(--loom-dim);border-radius:3px}

.field{margin-bottom:13px}
.field label{display:flex;align-items:baseline;gap:8px;margin-bottom:5px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--loom-soft)}
.field label .step{color:var(--gold);font-size:9px;opacity:.95}
.field input,.field textarea{width:100%;background:rgba(2,12,8,.7);border:1px solid var(--line);border-radius:2px;
  color:var(--bone);font-family:var(--sans);font-size:12.5px;line-height:1.5;padding:8px 10px;resize:vertical;transition:border-color .2s}
.field textarea{min-height:52px}
.field input::placeholder,.field textarea::placeholder{color:rgba(159,212,184,.35)}
.field input:focus,.field textarea:focus{border-color:rgba(26,255,140,.5)}

/* ── 渐进式向导 ── */
.stepdots{display:flex;gap:5px;align-items:center}
.stepdots i{width:5px;height:5px;border-radius:50%;background:rgba(26,255,140,.18);transition:all .35s}
.stepdots i.done{background:var(--loom-dim)}
.stepdots i.cur{background:var(--loom);box-shadow:0 0 8px rgba(26,255,140,.9);transform:scale(1.25)}

.trail{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.trail:empty{display:none}
.trail .tchip{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--loom-soft);
  background:rgba(8,30,20,.7);border:1px solid var(--line);border-radius:2px;padding:4px 8px;cursor:pointer;
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:all .25s;animation:optIn .4s both}
.trail .tchip b{color:var(--gold);font-weight:400;margin-right:5px}
.trail .tchip:hover{border-color:var(--loom);color:var(--bone)}

.stepbox{position:relative;min-height:230px}
.step-card{animation:stepIn .45s cubic-bezier(.2,.8,.2,1) both}
.step-card.leaving{animation:stepOut .3s ease both;pointer-events:none}
@keyframes stepIn{from{opacity:0;transform:translateX(34px)}to{opacity:1;transform:none}}
@keyframes stepOut{from{opacity:1}to{opacity:0;transform:translateX(-26px)}}
.step-card .sq{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.step-card .sq .step{color:var(--gold);font-family:var(--mono);font-size:10px;letter-spacing:.2em}
.step-card .sq b{color:var(--bone);font-size:14px;letter-spacing:.2em;font-weight:700}
.step-card .ask{font-size:12px;color:var(--loom-soft);line-height:1.7;margin-bottom:12px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:block;width:100%;text-align:left;font-family:var(--sans);font-size:12.5px;line-height:1.55;color:var(--mist);
  background:rgba(2,12,8,.7);border:1px solid var(--line);border-radius:3px;padding:10px 12px;cursor:pointer;
  transition:border-color .2s,box-shadow .2s,color .2s,transform .2s;animation:optIn .45s both}
.opt:hover{border-color:var(--loom);color:var(--bone);box-shadow:0 0 14px rgba(26,255,140,.2);transform:translateX(3px)}
.opt .marker{color:var(--loom-dim);font-family:var(--mono);font-size:10px;margin-right:8px}
.opt:hover .marker{color:var(--loom)}
@keyframes optIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.opts.loading .opt{opacity:.35;pointer-events:none}
.step-tools{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.step-tools .btn{padding:7px 12px;font-size:10px}
.customwrap{margin-top:10px;display:flex;flex-direction:column;gap:8px;animation:optIn .35s both}
.customwrap textarea{width:100%;background:rgba(2,12,8,.7);border:1px solid var(--line);border-radius:2px;
  color:var(--bone);font-family:var(--sans);font-size:12.5px;line-height:1.5;padding:8px 10px;min-height:56px;resize:vertical}
.customwrap textarea:focus{border-color:rgba(26,255,140,.5)}
.suggest-note{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--loom-dim);margin-top:8px;min-height:12px}
.suggest-note.busy{color:var(--loom-soft);animation:blink 1.1s steps(2) infinite}
.summary{border:1px dashed var(--line);border-radius:3px;padding:10px 12px;margin-bottom:12px}
.summary .sl{font-family:var(--mono);font-size:9px;letter-spacing:.22em;color:var(--gold);margin-bottom:6px}
.summary p{font-size:11.5px;line-height:1.8;color:var(--mist)}

.styles{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.chip{font-size:11px;padding:5px 10px;border-radius:999px;cursor:pointer;user-select:none;border:1px solid var(--line);color:var(--mist);transition:all .2s}
.chip.on{color:#02140a;background:var(--loom);border-color:var(--loom);font-weight:600;box-shadow:0 0 12px rgba(26,255,140,.4)}
.chip:hover{border-color:var(--loom)}

.rowflex{display:flex;gap:10px;align-items:center}
.rowflex input[type=range]{flex:1;accent-color:var(--loom)}
#countVal{font-family:var(--mono);color:var(--bone);font-size:12px;min-width:18px;text-align:center}
#genBtn{width:100%;margin-top:4px;padding:12px}
.status{margin-top:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--loom-soft);min-height:16px;line-height:1.6}
.status.err{color:#ff9a7a}
.blink{animation:blink 1.1s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}

details.apibox{margin-top:14px;border-top:1px dashed var(--line);padding-top:10px}
details.apibox summary{cursor:pointer;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--loom-dim);list-style:none}
details.apibox summary::before{content:"▸ ";color:var(--gold)}
details[open].apibox summary::before{content:"▾ "}
details.apibox .note{font-size:10.5px;color:rgba(159,212,184,.55);line-height:1.6;margin:8px 0}

#panelTab{position:fixed;top:72px;left:0;z-index:8;writing-mode:vertical-rl;letter-spacing:.3em;border-left:none;border-radius:0 3px 3px 0;padding:14px 7px}

.node{position:fixed;z-index:5;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;transition:opacity .5s}
.node .dot{width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #d6ffe9, var(--loom) 55%, rgba(26,255,140,0) 75%);
  box-shadow:0 0 14px rgba(26,255,140,.9),0 0 36px rgba(26,255,140,.45);animation:pulse 2.4s ease-in-out infinite}
.node:hover .dot{box-shadow:0 0 22px rgba(26,255,140,1),0 0 60px rgba(26,255,140,.7)}
@keyframes pulse{50%{transform:scale(.78);opacity:.8}}
.node .tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;white-space:nowrap;color:var(--bone);
  background:rgba(2,12,8,.72);border:1px solid var(--line);padding:3px 8px;border-radius:2px;backdrop-filter:blur(4px);
  text-shadow:0 0 8px rgba(26,255,140,.6)}
.node.gold .dot{background:radial-gradient(circle at 35% 35%, #fff3d0, var(--gold) 55%, rgba(216,165,49,0) 75%);
  box-shadow:0 0 14px rgba(216,165,49,.9),0 0 36px rgba(216,165,49,.4)}

#drawer{position:fixed;top:64px;right:18px;bottom:18px;z-index:11;width:380px;max-width:calc(100vw - 36px);
  background:var(--panel);border:1px solid var(--line);border-radius:4px;backdrop-filter:blur(16px);
  transform:translateX(115%);transition:transform .45s cubic-bezier(.7,0,.2,1);display:flex;flex-direction:column;
  box-shadow:0 0 60px rgba(0,0,0,.6)}
#drawer.open{transform:translateX(0)}
#drawer .dh{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line)}
#drawer .dh .style{font-family:var(--mono);font-size:10px;letter-spacing:.25em;color:var(--gold)}
#drawer .dh .x{background:none;border:none;color:var(--loom-dim);font-size:18px;cursor:pointer}
#drawer .dh .x:hover{color:var(--loom)}
#drawer .dbody{flex:1;overflow-y:auto;padding:18px;scrollbar-width:thin;scrollbar-color:var(--loom-dim) transparent}
#drawer h2{color:var(--bone);font-size:21px;font-weight:800;letter-spacing:.12em;margin-bottom:4px;text-shadow:0 0 16px rgba(26,255,140,.4)}
#drawer .tagline{font-size:12px;color:var(--loom-soft);margin-bottom:14px;font-style:italic}
.divg{margin:0 0 16px}
.divg .lbl{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--loom-soft);margin-bottom:5px}
.divg .bar{height:4px;background:rgba(26,255,140,.12);border-radius:2px;overflow:hidden}
.divg .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--loom),var(--gold));box-shadow:0 0 8px rgba(26,255,140,.8);border-radius:2px;transition:width .8s ease}
.preview{width:100%;aspect-ratio:16/9;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:#031009;margin-bottom:14px;position:relative}
.preview canvas,.preview img{width:100%;height:100%;object-fit:cover;display:block}
.preview .pvlabel{position:absolute;right:6px;bottom:6px;font-family:var(--mono);font-size:8.5px;letter-spacing:.2em;
  color:rgba(234,255,243,.55);background:rgba(0,0,0,.45);padding:2px 6px;border-radius:2px}
#drawer .wv{font-size:13px;line-height:1.85;color:var(--mist);margin-bottom:16px;text-align:justify}
.promptbox{border:1px dashed var(--line);border-radius:3px;padding:10px 12px;margin-bottom:14px}
.promptbox .pl{font-family:var(--mono);font-size:9px;letter-spacing:.22em;color:var(--gold);margin-bottom:6px}
.promptbox p{font-size:11.5px;line-height:1.7;color:var(--loom-soft);word-break:break-all}
.dactions{display:flex;gap:8px;flex-wrap:wrap}

#toast{position:fixed;left:50%;bottom:104px;transform:translateX(-50%);z-index:20;font-family:var(--mono);font-size:11px;
  letter-spacing:.25em;color:var(--bone);background:rgba(4,20,14,.85);border:1px solid var(--line);border-radius:2px;
  padding:9px 18px;opacity:0;transition:opacity .35s;pointer-events:none;text-shadow:0 0 10px rgba(26,255,140,.7);backdrop-filter:blur(6px)}
#toast.show{opacity:1}

@media (max-width:760px){
  .brand h1{font-size:15px;letter-spacing:.28em}
  .brand .sub{display:none}
  #panel{top:58px;left:10px;bottom:96px;width:calc(100vw - 20px)}
  #drawer{top:58px;right:10px;bottom:10px;width:calc(100vw - 20px)}
}
@media (prefers-reduced-motion:reduce){
  .node .dot{animation:none}
  .step-card,.step-card.leaving,.opt,.trail .tchip,.customwrap{animation:none}
}