/* base reset */
html{color-scheme:light}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: two-pane studio — control rail left, sticky preview stage right; stacks on phones */
:root{
  --bg:#eceef2; --panel:#ffffff; --ink:#15171c; --muted:#5b616d; --line:#dcdfe5;
  --field:#f5f6f8; --accent:#2747f5; --accent-ink:#ffffff; --stage:#dfe2e8; --warn:#b4540a; --warn-bg:#fff3e6;
  --f-display:"Bricolage Grotesque", "Geist", system-ui, sans-serif;
  --f-body:"Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0f1115; --panel:#171a20; --ink:#e8eaee; --muted:#959ba7; --line:#2a2e36;
  --field:#1f232a; --accent:#7d93ff; --accent-ink:#0b0d12; --stage:#0a0c0f; --warn:#f2a660; --warn-bg:#2b1d10; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0f1115; --panel:#171a20; --ink:#e8eaee; --muted:#959ba7; --line:#2a2e36;
  --field:#1f232a; --accent:#7d93ff; --accent-ink:#0b0d12; --stage:#0a0c0f; --warn:#f2a660; --warn-bg:#2b1d10; color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.45}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--panel)}
.brand{font-family:var(--f-display);font-weight:700;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.brand i{width:22px;height:22px;border-radius:7px;background:var(--ink);display:inline-grid;place-items:center}
.brand i::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent)}
.tag{font-family:var(--f-mono);font-size:11px;color:var(--muted);border:1px solid var(--line);padding:3px 8px;border-radius:99px;text-transform:uppercase;letter-spacing:.06em}

.app{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);min-height:calc(100vh - 60px)}
.rail{background:var(--panel);border-right:1px solid var(--line);padding:8px 20px 40px;display:flex;flex-direction:column}
.sec{padding-block:18px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.sec:last-child{border-bottom:0}
.sec h2{margin:0;font-family:var(--f-mono);font-weight:500;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
label.f{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:13px;min-width:0}
label.f small{font-weight:400;color:var(--muted);font-size:12px}
input[type=text],input[type=url],textarea,select{width:100%;font:inherit;color:var(--ink);background:var(--field);border:1px solid var(--line);border-radius:10px;padding:9px 11px;outline:none}
textarea{resize:vertical;min-height:96px;line-height:1.4}
input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.count{font-family:var(--f-mono);font-size:11px;color:var(--muted);text-align:right;margin-top:-6px}

.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--field);border:1px solid var(--line);border-radius:11px;padding:3px;gap:3px}
.seg button{font:inherit;font-weight:500;font-size:13px;color:var(--muted);background:transparent;border:0;border-radius:8px;padding:7px 6px;cursor:pointer;white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--panel);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12),0 0 0 1px var(--line)}
.seg.wrap{grid-auto-flow:row;grid-template-columns:1fr 1fr}

.tpl{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tpl button{font:inherit;text-align:left;background:var(--field);border:1px solid var(--line);border-radius:12px;padding:10px 12px;cursor:pointer;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.tpl button b{font-weight:600;font-size:14px;display:flex;align-items:center;gap:7px}
.tpl button span{font-size:11.5px;color:var(--muted)}
.tpl button .dot{width:8px;height:8px;border-radius:50%}
.soon{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;padding:12px 14px;border-radius:12px;border:1px dashed #8f7ee7;background:color-mix(in srgb,#b36ceb 10%,transparent)}
.soon b{font-weight:600;font-size:13.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.soon span{font-size:12px;color:var(--muted)}
.soon .lz{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 7px;border-radius:99px;background:#8a3fd1;color:#fff}
.soon svg{width:22px;height:22px;fill:none;stroke:#8a3fd1;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:1px}
.seg button.is-soon{opacity:.55;cursor:not-allowed}
.tpl button[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}

.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:500;font-size:13px;cursor:pointer}
.toggle input{appearance:none;width:36px;height:21px;border-radius:99px;background:var(--line);position:relative;cursor:pointer;flex:none;transition:background .15s}
.toggle input::after{content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .15s}
.toggle input:checked{background:var(--accent)}
.toggle input:checked::after{transform:translateX(15px)}
.range{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;font-size:13px;font-weight:500}
.range output{font-family:var(--f-mono);font-size:11px;color:var(--muted);min-width:30px;text-align:right}
input[type=range]{accent-color:var(--accent);width:100%}
input[type=color]{width:100%;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--field);padding:3px;cursor:pointer}

.avatar-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.av-edit{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:start}
#avCrop{width:112px;height:112px;border-radius:14px;background:var(--field);border:1px solid var(--line);cursor:grab;touch-action:none;display:block}
#avCrop.dragging{cursor:grabbing}
.av-edit .col{display:flex;flex-direction:column;gap:10px;min-width:0}
@media (max-width:420px){ .av-edit{grid-template-columns:minmax(0,1fr)} }
.avatar-row img,.avatar-row .ph{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none;background:var(--field);border:1px solid var(--line)}
.btn{font:inherit;font-weight:600;font-size:13px;border-radius:10px;padding:9px 14px;cursor:pointer;border:1px solid var(--line);background:var(--field);color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:transparent}
.file{position:relative;overflow:hidden}
.file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.chip{font-family:var(--f-mono);font-size:11.5px;color:var(--muted)}
.chip.ok{color:var(--accent)}

.stage{padding:28px 24px 40px;display:flex;flex-direction:column;align-items:center;gap:16px;background:var(--stage);min-width:0}
.stage-inner{position:sticky;top:calc(env(safe-area-inset-top,0px) + 20px);width:100%;max-width:680px;display:flex;flex-direction:column;gap:14px}
.canvas-wrap{width:100%;display:grid;place-items:center;max-height:72vh}
#preview{display:block;touch-action:none;max-width:100%;max-height:72vh;width:auto;height:auto;border-radius:6px;box-shadow:0 1px 2px rgba(0,0,0,.08),0 12px 40px rgba(0,0,0,.14)}
.meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.meta .dims{font-family:var(--f-mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
#preview.can-drag{cursor:grab}
#preview.dragging{cursor:grabbing}
.hint{font-size:12px;color:var(--muted)}
.warn{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:9px 12px;font-size:13px}

.modal{position:fixed;inset:0;background:rgba(8,10,14,.62);display:grid;place-items:center;padding:20px;z-index:20}
.sheet{background:var(--panel);border-radius:16px;padding:18px;max-width:560px;width:100%;display:flex;flex-direction:column;gap:12px;max-height:92vh;overflow:auto}
.sheet img{width:100%;height:auto;border-radius:8px;border:1px solid var(--line)}
.sheet p{margin:0;color:var(--muted);font-size:13px}
.sheet .acts{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

@media (max-width:900px){
  .app{grid-template-columns:minmax(0,1fr)}
  .rail{border-right:0;order:2}
  .stage{order:1;padding:18px 16px}
  .stage-inner{position:static}
  .canvas-wrap,#preview{max-height:60vh}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- site chrome ---------- */
a{color:inherit}
.top a.brand{text-decoration:none}
.top nav{display:flex;gap:4px;flex-wrap:wrap}
.top nav a{text-decoration:none;font-size:13px;font-weight:500;color:var(--muted);padding:6px 10px;border-radius:8px}
.top nav a:hover,.top nav a[aria-current="page"]{color:var(--ink);background:var(--field)}
.hero{padding:22px 20px 18px;background:var(--panel);border-bottom:1px solid var(--line)}
.hero h1{margin:0;font-family:var(--f-display);font-weight:700;font-size:clamp(22px,3.2vw,32px);letter-spacing:-.015em;line-height:1.15;text-wrap:balance;max-width:28ch}
.hero p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:62ch}
.seo{background:var(--panel);border-top:1px solid var(--line);padding-block:48px 56px;padding-inline:20px}
.seo .wrap{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:36px}
.seo h2{font-family:var(--f-display);font-weight:700;font-size:24px;letter-spacing:-.01em;margin:0 0 12px;text-wrap:balance}
.seo h3{font-size:16px;margin:0 0 4px}
.seo p,.seo li{font-size:15.5px;line-height:1.65;color:var(--ink)}
.seo p{margin:0 0 12px}
.seo .muted{color:var(--muted)}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px;counter-reset:s}
.steps li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;counter-increment:s}
.steps li::before{content:counter(s);width:28px;height:28px;border-radius:50%;background:var(--field);border:1px solid var(--line);display:grid;place-items:center;font-family:var(--f-mono);font-size:12px}
.tpl-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.tpl-links a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--field)}
.tpl-links a b{display:block;font-size:14.5px}
.tpl-links a span{font-size:13px;color:var(--muted)}
.tpl-links a:hover{border-color:var(--accent)}
details{border-bottom:1px solid var(--line);padding-block:14px}
details summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::after{content:"+";color:var(--muted);font-family:var(--f-mono)}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0}
.foot{padding-block:28px;padding-inline:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot .wrap{max-width:760px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
.foot nav{display:flex;gap:16px;flex-wrap:wrap}
.legal{max-width:680px;margin:0 auto;padding-block:48px 64px;padding-inline:20px}
.legal h1{font-family:var(--f-display);font-size:30px;margin:0 0 6px}
.legal h2{font-size:18px;margin:28px 0 8px}
.legal p,.legal li{font-size:15.5px;line-height:1.65}
@media (max-width:900px){ .top nav{display:none} }
@media (max-width:900px){
  .hero{padding:16px 16px 14px}
  .hero h1{font-size:22px}
  .hero p{font-size:14px;margin-top:6px}
  .stage{position:sticky;top:0;z-index:6;padding:10px 16px 12px;box-shadow:0 8px 18px rgba(0,0,0,.14)}
  .stage-inner{gap:8px}
  .canvas-wrap,#preview{max-height:34vh}
  .meta .btn{padding:8px 14px}
  .modal .acts .btn{flex:1 1 auto}
}