[hidden]{display:none!important}
:root{
  color-scheme:dark;
  --bg:#0e0e11;
  --panel:#141419;
  --panel2:#19191f;
  --line:#2b2b34;
  --line2:#3a3a44;
  --text:#f2f2f4;
  --muted:#9a9aa6;
  --soft:#c5c5cd;
  --accent:#76a7ff;
  --red:#ff646b;
  --green:#65d38a;
  --magenta:#df63e7;
  --paper:#efeee9;
  --sidebar:318px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif}
button,input,select{font:inherit}
button,a{touch-action:manipulation}
a{color:inherit;text-decoration:none}
.topbar{height:58px;position:sticky;top:0;z-index:50;background:rgba(12,12,15,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;min-width:260px}
.brandLogo{width:34px;height:34px;flex:0 0 34px;display:block;object-fit:contain}
.brandText{display:flex;flex-direction:column;line-height:1.05}
.brandText strong{font-size:15px}.brandText small{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;margin-top:4px}
.topActions{margin-left:auto;display:flex;gap:7px;align-items:center}
.btn,.btnPrimary,.btnSecondary{border:1px solid var(--line2);background:#1c1c22;color:var(--text);border-radius:9px;min-height:34px;padding:7px 12px;font-weight:650;cursor:pointer;transition:.14s ease;display:inline-flex;align-items:center;justify-content:center}
.btn:hover,.btnSecondary:hover{background:#25252d;border-color:#555562}.btn.active{border-color:#6a95e8;box-shadow:inset 0 0 0 1px #32598b}.btnGhost{background:transparent}
.appShell{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);min-height:calc(100vh - 58px)}
.sidebar{position:sticky;top:58px;height:calc(100vh - 58px);overflow:auto;border-right:1px solid var(--line);background:var(--panel);padding:28px 22px 24px}
.eyebrow{font-size:10px;line-height:1.2;font-weight:800;letter-spacing:.13em;color:#b2b2bc}.eyebrow.accent{color:#8db2ff}
.sidebar h1{font-size:31px;line-height:.98;letter-spacing:-.05em;margin:11px 0 14px}.intro{font-size:13px;line-height:1.55;color:var(--soft);margin:0}
.controlGroup{border-top:1px solid var(--line);padding-top:17px;margin-top:22px}.fieldLabel{display:block;font-size:11px;color:#b6b6c0;margin-bottom:7px}
.textInput,.selectInput{width:100%;height:38px;border-radius:8px;border:1px solid #363640;background:#0f0f13;color:var(--text);padding:0 10px;outline:none}.textInput:focus,.selectInput:focus{border-color:#678fd7}
.filterStack{display:grid;gap:6px}.filterBtn{width:100%;border:1px solid transparent;background:transparent;color:#bdbdc7;padding:7px 8px;text-align:left;border-radius:7px;cursor:pointer;display:flex;justify-content:space-between}.filterBtn:hover{background:#1d1d23}.filterBtn.active{background:#24242c;color:#fff;border-color:#41414c}.filterCount{color:#747481;font-size:11px}
.splitControls{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sidebarNote{border:1px solid #343440;background:#111116;border-radius:10px;padding:13px;margin-top:22px}.sidebarNote strong{font-size:11px}.sidebarNote p{font-size:11px;color:#aaaab5;line-height:1.45;margin:7px 0 0}.copyright{font-size:10px;line-height:1.6;color:#747481;margin-top:28px}
.main{min-width:0;padding:35px 36px 70px}.heroRow{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:28px}.heroRow h2{font-size:42px;line-height:.95;letter-spacing:-.055em;margin:10px 0 0}.heroMeta{max-width:280px;text-align:right;display:grid;gap:5px;color:#91919c;font-size:11px;line-height:1.4}.heroMeta strong{color:#dedee4;font-size:12px}
.templateGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}.card{min-width:0;cursor:pointer}.cardPreviewShell{aspect-ratio:2550/3300;background:#292930;border:1px solid #383842;border-radius:9px;overflow:hidden;position:relative;transition:.16s ease;box-shadow:0 12px 26px rgba(0,0,0,.18)}.card:hover .cardPreviewShell{transform:translateY(-2px);border-color:#5a5a68;box-shadow:0 18px 34px rgba(0,0,0,.3)}.cardPreview{width:100%;height:100%;display:block;background:var(--paper)}
.structureOverlay{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .15s ease}.showStructure .structureOverlay{opacity:1}.cardMeta{padding:11px 2px 3px}.cardTop{display:flex;justify-content:space-between;gap:10px;align-items:baseline}.card h3{font-size:14px;margin:0;letter-spacing:-.02em}.cardIndex{font-size:10px;color:#6e6e79}.cardSub{font-size:10px;color:#90909b;margin-top:5px;text-transform:uppercase;letter-spacing:.08em}.emptyState{border:1px dashed #383842;border-radius:12px;padding:46px;text-align:center;color:#83838e}
.modalBack{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.76);backdrop-filter:blur(8px)}.detailModal{position:fixed;z-index:90;inset:6vh 6vw;display:grid;grid-template-columns:minmax(320px,1.2fr) minmax(320px,.8fr);background:#141419;border:1px solid #40404a;border-radius:14px;overflow:hidden;box-shadow:0 28px 80px rgba(0,0,0,.58)}.modalClose{position:absolute;z-index:4;top:12px;right:12px;border:1px solid #555560;background:#16161b;color:white;border-radius:50%;width:34px;height:34px;font-size:24px;line-height:1;cursor:pointer}.detailPreviewWrap{background:#292930;padding:30px;display:grid;place-items:center;min-height:0}.detailPreview{height:100%;max-height:78vh;aspect-ratio:2550/3300;position:relative;box-shadow:0 20px 46px rgba(0,0,0,.36);background:#eee;overflow:hidden}.detailPreview>img{width:100%;height:100%;display:block}.detailInfo{padding:52px 42px 40px;overflow:auto}.detailInfo h3{font-size:35px;line-height:1;letter-spacing:-.05em;margin:10px 0 17px}.detailInfo>p{color:#b2b2bd;line-height:1.55;font-size:13px}.specGrid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #33333d;border-bottom:1px solid #33333d;margin:24px 0}.specGrid div{padding:12px 0;border-bottom:1px solid #292933}.specGrid div:nth-last-child(-n+2){border-bottom:0}.specGrid dt{font-size:9px;color:#747480;text-transform:uppercase;letter-spacing:.12em}.specGrid dd{font-size:12px;margin:4px 0 0;color:#e5e5e9}.tagRow{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:10px;border:1px solid #3b3b45;border-radius:999px;padding:5px 8px;color:#bdbdc6}.modalActions{display:flex;gap:9px;margin-top:26px}.btnPrimary{background:#f1f1ef;color:#111;border-color:#fff;min-height:42px}.btnPrimary:hover{background:#fff}.btnSecondary{min-height:42px}.handoffNote{font-size:10px!important;color:#787884!important;margin-top:11px}.toast{position:fixed;left:50%;bottom:26px;z-index:120;transform:translate(-50%,18px);opacity:0;pointer-events:none;background:#efefed;color:#111;border-radius:9px;padding:10px 14px;font-size:12px;font-weight:700;transition:.18s ease}.toast.show{opacity:1;transform:translate(-50%,0)}
.structureSvg{width:100%;height:100%;display:block}.structureSvg .gridLine{stroke:var(--accent);stroke-width:3;opacity:.72}.structureSvg .marginLine{stroke:var(--accent);stroke-width:5;opacity:.88}.structureSvg .axisLine{stroke:var(--magenta);stroke-width:4;stroke-dasharray:16 12;opacity:.7}.structureSvg .spaceBox{fill:none;stroke:var(--red);stroke-width:4;stroke-dasharray:14 10;opacity:.72}
@media(max-width:920px){:root{--sidebar:260px}.main{padding:28px 22px}.templateGrid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.heroRow h2{font-size:34px}.detailModal{inset:3vh 3vw;grid-template-columns:1fr}.detailPreviewWrap{min-height:45vh}.detailInfo{padding:28px}.topbar{overflow-x:auto}.brand{min-width:200px}}
@media(max-width:700px){.appShell{display:block}.sidebar{position:relative;top:0;width:100%;height:auto;border-right:0;border-bottom:1px solid var(--line)}.main{padding:24px 16px 50px}.heroRow{align-items:flex-start;flex-direction:column}.heroMeta{text-align:left}.templateGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.topActions .btnGhost{display:none}.brandText small{display:none}.detailModal{display:block;overflow:auto}.detailPreviewWrap{height:58vh}.detailPreview{height:100%}.modalActions{flex-direction:column}}