:root{--bg:#f7f8fc;--panel:#fff;--ink:#0b1030;--muted:#5a6185;--line:#e3e6f2;--accent:#1636ff;--accent-ink:#fff;--soft:#eef1ff;--stage:#cfe0f5;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#080b1c;--panel:#0f1430;--ink:#eef1ff;--muted:#9aa2cc;--line:#232a52;--accent:#4d66ff;--soft:#171f4a;--stage:#0c1230;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#080b1c;--panel:#0f1430;--ink:#eef1ff;--muted:#9aa2cc;--line:#232a52;--accent:#4d66ff;--soft:#171f4a;--stage:#0c1230}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.45 "Space Grotesk",system-ui,sans-serif;overflow-x:hidden}
.top{height:56px;display:flex;align-items:center;gap:18px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--panel)}
.logo{font-weight:700;font-size:22px;letter-spacing:-.03em;color:var(--ink);text-decoration:none}.logo span{color:var(--accent)}
.tag{margin:0;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app{display:grid;grid-template-columns:1fr 420px;height:calc(100vh - 56px)}
.stage{position:relative;background:var(--stage);min-height:0}
#c{width:100%;height:100%;display:block;touch-action:none}
.loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:12px;color:var(--muted);background:var(--stage)}
.spin{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:s 1s linear infinite}@keyframes s{to{transform:rotate(1turn)}}
.stage-ui{position:absolute;left:16px;right:16px;top:16px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none}
.stage-ui>*{pointer-events:auto}
.model-title h1{margin:0;font-size:34px;letter-spacing:-.04em;line-height:1;color:#0b1030;text-shadow:0 1px 12px #fff8}
.model-title p{margin:4px 0 0;font-size:13px;color:#2a3260}
.chip{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:999px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.panel{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.steps{display:flex;gap:4px;overflow-x:auto;padding:12px 16px;border-bottom:1px solid var(--line);scrollbar-width:none}
.steps button{flex:none;border:0;background:none;color:var(--muted);font:inherit;font-size:13px;font-weight:600;padding:6px 10px;border-radius:999px;cursor:pointer}
.steps button.on{background:var(--accent);color:var(--accent-ink)}
.step{flex:1;overflow-y:auto;padding:20px 16px}
.step h2{margin:0 0 4px;font-size:24px;letter-spacing:-.03em}
.step .sub{color:var(--muted);margin:0 0 16px;font-size:13px}
.muted{color:var(--muted)}
.opts{display:grid;gap:8px}
.opt{display:flex;justify-content:space-between;gap:12px;align-items:center;text-align:left;width:100%;border:1.5px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;padding:12px 14px;font:inherit;cursor:pointer}
.opt:hover{border-color:var(--accent)}.opt.on{border-color:var(--accent);background:var(--soft)}
.opt small{display:block;color:var(--muted);font-size:12px}.opt .p{font-weight:600;white-space:nowrap}
.sw{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.sw button{aspect-ratio:1;border-radius:50%;border:3px solid var(--panel);box-shadow:0 0 0 1.5px var(--line);cursor:pointer}
.sw button.on{box-shadow:0 0 0 2.5px var(--accent)}
.picked{font-weight:600}.picked span{color:var(--muted);font-weight:400}
.layers{display:flex;height:120px;border-radius:10px;overflow:hidden;margin:14px 0;border:1px solid var(--line)}
.layers div{display:flex;align-items:flex-end;justify-content:center;font-size:10px;padding:4px 2px;writing-mode:vertical-rl;transform:rotate(180deg);color:#0b1030;transition:flex-basis .4s}
.stepnav{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.btn{flex:1;border:0;background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:700;border-radius:12px;padding:12px 16px;cursor:pointer}
.btn.ghost{background:var(--soft);color:var(--ink)}
.pricebar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--ink);color:var(--bg)}
.pricebar s{display:block;font-size:12px;opacity:.6}.pricebar strong{font-size:24px;letter-spacing:-.03em;display:block}
.pricebar small{font-size:11px;opacity:.7}.pricebar .btn{flex:none}
table{width:100%;border-collapse:collapse;font-size:13px;margin:8px 0 18px}
td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}td:last-child{text-align:right;padding-left:8px}
h3{font-size:15px;margin:18px 0 4px}
.thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}
.thumbs img{width:84px;height:62px;object-fit:cover;border-radius:8px;cursor:zoom-in;flex:none;border:1px solid var(--line)}
.pill{display:inline-block;margin-top:12px;padding:8px 14px;border-radius:999px;background:var(--soft);color:var(--accent);font-weight:600;font-size:13px}
.src{font-size:12px;color:var(--muted)}.src a{color:var(--accent)}
select{width:100%;font:inherit;padding:10px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel);color:var(--ink)}
dialog{border:0;border-radius:16px;padding:0;background:var(--panel);color:var(--ink);max-width:calc(100vw - 32px)}
dialog::backdrop{background:#050820cc}
.lightbox img{display:block;max-width:90vw;max-height:85vh}
.x{position:absolute;right:10px;top:8px;border:0;background:var(--soft);color:var(--ink);width:32px;height:32px;border-radius:50%;font-size:20px;cursor:pointer}
.lightbox{position:relative}
.modal{width:440px}.modal form,.thanks{padding:24px;display:grid;gap:12px;position:relative}
.modal h2{margin:0}.modal label{display:grid;gap:4px;font-size:13px;font-weight:600}
.modal input:not([type=radio]){font:inherit;padding:10px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink)}
fieldset{border:1px solid var(--line);border-radius:10px;display:flex;gap:16px;flex-wrap:wrap}legend{font-size:13px;font-weight:600}
.modal label.r{display:flex;gap:6px;align-items:center;font-weight:400}
@media (max-width:860px){
  .tag{display:none}
  .app{grid-template-columns:1fr;grid-template-rows:46vh 1fr;height:calc(100dvh - 56px)}
  .panel{border-left:0;border-top:1px solid var(--line);border-radius:18px 18px 0 0;margin-top:-18px;position:relative;z-index:2}
  .model-title h1{font-size:24px}
  .pricebar strong{font-size:20px}
}
[hidden]{display:none!important}
html,body{overflow-x:hidden;max-width:100%}
.app>*,.panel>*,.stepnav>*,.opt>*{min-width:0}
.panel,.step,.stage{min-width:0;width:100%}
.layers{width:100%}.layers div{min-width:0;overflow:hidden}
.steps{max-width:100%}
@media (max-width:860px){.app{grid-template-columns:minmax(0,1fr)}}