:root{
  --bg:#08090c;
  --panel:#0e1015;
  --panel2:#12151c;
  --line:rgba(255,255,255,.075);
  --line2:rgba(255,255,255,.14);
  --fg:#e9edf3;
  --dim:#8b95a4;
  --dim2:#5f6875;
  --accent:#5ee7ff;
  --accent-dim:rgba(94,231,255,.14);
  --rail:300px;
  --insp:324px;
  --r:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:
    radial-gradient(1200px 600px at 18% -10%, rgba(94,231,255,.06), transparent 60%),
    radial-gradient(900px 500px at 90% 110%, rgba(255,92,138,.05), transparent 60%),
    var(--bg);
  color:var(--fg);
  font:400 14px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
button,a,input,select,textarea{font:inherit;color:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.18)}
::-webkit-scrollbar-track{background:transparent}

.app{height:100%;display:flex;flex-direction:column}

/* ── 顶栏 ── */
.topbar{
  height:54px;flex:0 0 auto;display:flex;align-items:center;gap:18px;
  padding:0 18px;border-bottom:1px solid var(--line);
  background:rgba(10,12,16,.75);backdrop-filter:blur(12px);
}
.brand{display:flex;align-items:center;gap:9px;white-space:nowrap}
.brand .mark{color:var(--accent);font-size:16px;letter-spacing:-2px}
.brand .ttl{font-weight:600;font-size:15px;letter-spacing:.2px}
.brand .code{
  font:500 11px/1 "SF Mono",Menlo,monospace;font-style:normal;color:var(--accent);
  background:var(--accent-dim);border:1px solid rgba(94,231,255,.24);
  padding:4px 7px;border-radius:6px;letter-spacing:.5px;
}
.search{
  display:flex;align-items:center;gap:7px;color:var(--dim);
  background:var(--panel2);border:1px solid var(--line);border-radius:9px;
  padding:0 11px;height:34px;width:min(360px,34vw);transition:border-color .15s;
}
.search:focus-within{border-color:rgba(94,231,255,.38)}
.search input{flex:1;background:none;border:0;outline:0;font-size:13px}
.search input::placeholder{color:var(--dim2)}
.stat{margin-left:auto;color:var(--dim);font-size:12px;display:flex;align-items:center;gap:6px}
.stat b{color:var(--fg);font-weight:600}
.stat .dot{width:3px;height:3px;border-radius:50%;background:var(--dim2);margin:0 2px}

/* ── 主区 ── */
.body{flex:1;display:grid;grid-template-columns:var(--rail) minmax(0,1fr) var(--insp);min-height:0}

/* ── 左：素材列表 ── */
.rail{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:rgba(14,16,21,.5)}
.cats{display:flex;gap:6px;flex-wrap:wrap;padding:12px 12px 8px}
.cats:empty{display:none}
.chip{
  border:1px solid var(--line);background:transparent;color:var(--dim);
  padding:4px 9px;border-radius:7px;font-size:12px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.chip:hover{color:var(--fg);border-color:var(--line2)}
.chip.on{color:#04161b;background:var(--accent);border-color:var(--accent);font-weight:600}
.cards{flex:1;overflow-y:auto;padding:4px 12px 18px;display:flex;flex-direction:column;gap:10px}
.card{
  display:block;width:100%;text-align:left;padding:0;cursor:pointer;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:.16s;
  position:relative;flex:0 0 auto;
}
.card:hover{border-color:var(--line2);transform:translateY(-1px)}
.card[hidden]{display:none}
.card.on{border-color:rgba(94,231,255,.55);box-shadow:0 0 0 1px rgba(94,231,255,.28),0 8px 26px -14px rgba(94,231,255,.55)}
.card .thumb{display:block;aspect-ratio:16/9;background:#07080b;position:relative;overflow:hidden}
.card .thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none}
.card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.55))}
.card .row{display:flex;align-items:center;gap:8px;padding:9px 11px 10px}
.card .nm{display:block;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .en{display:block;font:400 11px/1 "SF Mono",Menlo,monospace;color:var(--dim2);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .txt{min-width:0;flex:1}
.card .cp{
  flex:0 0 auto;width:26px;height:26px;border-radius:7px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--dim);background:rgba(255,255,255,.02);
}
.card:hover .cp{color:var(--fg);border-color:var(--line2)}
.card .hot-pill{
  position:absolute;top:8px;right:8px;z-index:2;font-size:10px;letter-spacing:.3px;
  padding:2px 6px;border-radius:5px;color:#0a1418;background:var(--accent);
  font-weight:700;box-shadow:0 2px 10px -2px rgba(94,231,255,.6);
}
.card .cat-pill{
  position:absolute;top:8px;left:8px;z-index:2;font-size:10px;letter-spacing:.4px;
  padding:2px 6px;border-radius:5px;background:rgba(6,8,11,.72);color:var(--dim);
  border:1px solid rgba(255,255,255,.09);backdrop-filter:blur(6px);
}
.skeleton{height:196px;border-radius:var(--r);background:linear-gradient(100deg,#101319 30%,#171b22 50%,#101319 70%);background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{0%{background-position:150% 0}100%{background-position:-50% 0}}
.empty{padding:36px 10px;text-align:center;color:var(--dim2);font-size:13px}

/* ── 中：预览 ── */
.stage{display:flex;flex-direction:column;min-width:0;padding:20px 22px 14px;gap:14px}
.stage-head{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}
.names{display:flex;align-items:baseline;gap:10px;min-width:0}
.names h1{margin:0;font-size:19px;font-weight:650;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#t-en{font:400 12px/1 "SF Mono",Menlo,monospace;color:var(--dim2)}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11px;color:var(--dim);border:1px solid var(--line);border-radius:6px;padding:2px 7px}

.frame{flex:1;min-height:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel)}
.frame-inner{flex:1;min-height:0;position:relative;background:#07080b}
.frame-inner.checker{
  background-color:#0d0f13;
  background-image:
    linear-gradient(45deg,#181c22 25%,transparent 25%,transparent 75%,#181c22 75%),
    linear-gradient(45deg,#181c22 25%,transparent 25%,transparent 75%,#181c22 75%);
  background-size:22px 22px;background-position:0 0,11px 11px;
}
.frame-inner.light{background:#eef1f5}
#preview{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;display:block}
.frame-bar{
  flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:8px 10px;
  border-top:1px solid var(--line);background:rgba(12,14,19,.9);
}
.tb{
  height:30px;min-width:30px;padding:0 8px;display:inline-grid;place-items:center;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--dim);cursor:pointer;transition:.14s;
}
.tb:hover{color:var(--fg);border-color:var(--line2);background:rgba(255,255,255,.05)}
.sep{width:1px;height:18px;background:var(--line);margin:0 4px}
.bgpick{display:inline-flex;gap:4px}
.chip[data-bg]{padding:3px 8px;border-radius:6px}
.grow{flex:1}
.ratio{font:400 11px/1 "SF Mono",Menlo,monospace;color:var(--dim2);margin-right:6px}
.hint{margin:0;color:var(--dim2);font-size:12px}

/* ── 右：参数 ── */
.inspector{border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:rgba(14,16,21,.55)}
.insp-scroll{flex:1;overflow-y:auto;padding:16px 16px 4px}
.sec-title{
  display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:1.2px;color:var(--dim2);
  text-transform:uppercase;margin:2px 0 10px;font-weight:600;
}
.sec-title:not(:first-child){margin-top:20px}
#p-count{color:var(--dim2);letter-spacing:0;text-transform:none;font-weight:400}
.params{display:flex;flex-direction:column;gap:11px}
.fld{display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center}
.fld label{font-size:12px;color:var(--dim);white-space:nowrap}
.fld .val{font:400 11px/1 "SF Mono",Menlo,monospace;color:var(--accent)}
.fld .ctl{grid-column:1/-1}
input[type=text],input[type=number],textarea,select{
  width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:7px 9px;font-size:12.5px;outline:0;transition:border-color .15s;
}
input[type=text]:focus,input[type=number]:focus,textarea:focus,select:focus{border-color:rgba(94,231,255,.4)}
textarea{resize:vertical;min-height:76px;font:12px/1.55 "SF Mono",Menlo,monospace}
select{appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--dim) 50%),linear-gradient(135deg,var(--dim) 50%,transparent 50%);background-position:calc(100% - 14px) 52%,calc(100% - 9px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
input[type=color]{
  -webkit-appearance:none;appearance:none;width:34px;height:22px;padding:0;border:1px solid var(--line2);
  border-radius:6px;background:transparent;cursor:pointer;
}
input[type=color]::-webkit-color-swatch-wrapper{padding:0}
input[type=color]::-webkit-color-swatch{border:0;border-radius:5px}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:3px;border-radius:3px;
  background:rgba(255,255,255,.12);outline:0;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:var(--accent);
  border:2px solid #0b0d11;box-shadow:0 0 0 1px rgba(94,231,255,.45);cursor:pointer;
}
.sw{position:relative;width:34px;height:19px;border-radius:99px;background:rgba(255,255,255,.12);cursor:pointer;transition:.16s;border:0;padding:0}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.16s}
.sw.on{background:rgba(94,231,255,.75)}
.sw.on::after{transform:translateX(15px);background:#062026}
.colorline{display:flex;align-items:center;gap:8px}
.colorline .hex{flex:1;font:400 11.5px/1 "SF Mono",Menlo,monospace;color:var(--dim)}

.meta{margin:0;display:grid;grid-template-columns:auto 1fr;gap:7px 12px;font-size:12px}
.meta dt{color:var(--dim2);white-space:nowrap}
.meta dd{margin:0;color:var(--dim);word-break:break-all}
.meta dd.mono{font:400 11px/1.45 "SF Mono",Menlo,monospace}
.meta dd a{color:var(--accent);text-decoration:none;border-bottom:1px dashed rgba(94,231,255,.4)}
.meta dd a:hover{border-bottom-style:solid}

.actions{flex:0 0 auto;padding:12px 16px 16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;background:rgba(10,12,16,.6)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.btn{
  height:36px;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--fg);font-size:12.5px;cursor:pointer;transition:.14s;display:flex;align-items:center;justify-content:center;gap:7px;
}
.btn:hover{background:rgba(255,255,255,.07);border-color:var(--line2)}
.btn.primary{background:var(--accent);color:#04161b;font-weight:650;border-color:transparent;height:40px;font-size:13.5px}
.btn.primary:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.45;cursor:not-allowed}

.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,14px);
  background:rgba(16,20,26,.96);border:1px solid rgba(94,231,255,.35);color:var(--fg);
  padding:9px 16px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;
  transition:.22s;box-shadow:0 18px 40px -18px rgba(0,0,0,.9);z-index:99;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:1180px){
  :root{--rail:250px;--insp:290px}
  .stage{padding:16px}
}
@media (max-width:900px){
  body{overflow:auto}
  .body{grid-template-columns:1fr;grid-template-rows:auto auto auto}
  .rail{border-right:0;border-bottom:1px solid var(--line)}
  .cards{flex-direction:row;overflow-x:auto;padding-bottom:12px}
  .card{flex:0 0 232px}
  .inspector{border-left:0;border-top:1px solid var(--line)}
  .app,.body{height:auto;min-height:100%}
  .frame{min-height:52vw}
}