:root{
  --paper:#F7F3E8;--card:#FFFDF6;--ink:#17233F;--muted:#6A6656;--line:#D9D2C0;
  --red:#D23B2C;--blue:#1E4FA6;--stamp:#C8A24B;--stage:#EFE8D6;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#12141C;--card:#1A1F2C;--ink:#F2EEE3;--muted:#A49F8E;--line:#2C3346;--stage:#202637;color-scheme:dark}}
:root[data-theme="dark"]{--paper:#12141C;--card:#1A1F2C;--ink:#F2EEE3;--muted:#A49F8E;--line:#2C3346;--stage:#202637;color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Space Grotesk",system-ui,sans-serif;font-size:16px;line-height:1.45;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.dsp{font-family:"Archivo Black",Impact,sans-serif;letter-spacing:-.01em}
.mono{font-family:"DM Mono",ui-monospace,monospace}
.muted{color:var(--muted)}
.app{max-width:960px;margin:0 auto;min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top,0) 0 env(safe-area-inset-bottom,0)}

.top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:14px 16px 10px}
.wm{font-family:"Archivo Black",Impact,sans-serif;font-size:24px;letter-spacing:-.02em}
.wm i{font-style:normal;color:var(--red)}
.top-sub{font-size:12px;letter-spacing:.12em;color:var(--muted)}

main{display:grid;gap:8px}
@media (min-width:820px){main{grid-template-columns:1.15fr 1fr;align-items:start;padding:0 16px;gap:20px}.viewer-card{position:sticky;top:12px}}

/* sahne */
.stage{position:relative;margin:0 16px;border-radius:14px;overflow:hidden;background:var(--stage);background:
  radial-gradient(120% 80% at 50% 30%,color-mix(in srgb,var(--stage) 60%,var(--card)) 0%,var(--stage) 70%);
  border:1.5px solid var(--line)}
@media (min-width:820px){.stage{margin:0}}
model-viewer{display:block;width:100%;height:min(62vh,460px);min-height:300px;background:transparent;--poster-color:transparent;outline:none}
.hint{position:absolute;left:0;right:0;top:10px;text-align:center;font-size:11px;color:var(--muted);pointer-events:none;letter-spacing:.04em}
.progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
.progress i{display:block;height:100%;width:0;background:var(--red);transition:width .2s}
.progress.done{opacity:0;transition:opacity .4s .2s}

.ar-btn{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;
  background:var(--red);color:#fff;border:0;border-radius:999px;padding:12px 20px 12px 16px;font-weight:700;font-size:16px;
  box-shadow:0 6px 18px rgba(210,59,44,.35);white-space:nowrap;min-height:50px}
.ar-btn span{font-weight:500;font-size:12px;opacity:.85}
@media (max-width:360px){.ar-btn span{display:none}}

/* fiş kartı */
.rcpt{background:var(--card);border:1.5px solid var(--line);margin:12px 16px 0;padding:16px 18px 20px;border-radius:2px;position:relative}
@media (min-width:820px){.rcpt{margin:12px 0 0}}
.rcpt::after{content:"";position:absolute;left:-1.5px;right:-1.5px;bottom:-8px;height:8px;
  background:radial-gradient(circle at 6px 0,transparent 5px,var(--card) 5.5px) -1px 0/12px 8px repeat-x}
.hd{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:2px dashed var(--line);padding-bottom:10px;margin-bottom:10px}
.hd h1{font-size:22px;margin:0;line-height:1.1}
.hd span{font-size:15px;font-weight:500;white-space:nowrap}
.sub{color:var(--muted);font-size:14px;margin:0 0 14px}

.sizes{display:flex;gap:8px;flex-wrap:wrap}
.sizes button{flex:1 1 0;min-width:60px;padding:6px 4px;min-height:52px;background:none;border:1.5px dashed var(--line);border-radius:10px;text-align:center;line-height:1.15}
.sizes button b{display:block;font-size:13px;white-space:nowrap}
.sizes button small{display:block;font-size:11px;color:var(--muted);font-family:"DM Mono",ui-monospace,monospace}
.sizes button[aria-checked="true"]{border:2px solid var(--ink);background:rgba(128,128,128,.1);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.dims{font-size:13px;margin:12px 0 4px}
.dims b{font-weight:500}

.scale{margin:6px 0 10px;display:flex;align-items:flex-end;gap:14px}
.scale svg{display:block;max-width:100%;height:auto}
.scale figcaption{font-size:11px;color:var(--muted)}

.no-ar{border:1.5px dashed var(--stamp);border-radius:10px;padding:12px;font-size:14px;margin:8px 0 6px}
.no-ar b{display:block;margin-bottom:4px}
.btn{display:block;width:100%;margin-top:10px;background:var(--red);color:#fff;border:0;border-radius:8px;padding:12px 16px;font-weight:700;font-size:14px;min-height:46px}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}

.lbl{font-family:"Archivo Black",Impact,sans-serif;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:16px 0 6px}
.ings{list-style:none;margin:0;padding:0}
.ings li{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dotted var(--line);font-size:15px}
.ings li:last-child{border-bottom:0}
.ings li span{color:var(--muted);font-size:12px;font-family:"DM Mono",ui-monospace,monospace}
.algs{display:flex;flex-wrap:wrap;gap:6px}
.alg{font-size:12px;font-weight:700;border:1.5px solid var(--red);color:var(--red);border-radius:999px;padding:3px 9px}
.alg.may{border-style:dashed;border-color:var(--muted);color:var(--muted);font-weight:500}

/* liste */
.list{padding:22px 0 0}
@media (min-width:820px){.list{padding:0}}
.sh{display:flex;justify-content:space-between;align-items:baseline;margin:0 16px 6px}
@media (min-width:820px){.sh{margin:0 0 6px}}
.sh h2{font-family:"Archivo Black",Impact,sans-serif;font-size:17px;margin:0;letter-spacing:.02em;text-transform:uppercase}
.sh span{font-size:12px}
.rows{border-top:1.5px solid var(--line)}
.row{display:grid;grid-template-columns:84px 1fr auto;gap:12px;align-items:center;width:100%;background:none;border:0;border-bottom:1px dotted var(--line);padding:10px 16px;text-align:left}
@media (min-width:820px){.row{padding:10px 4px}}
.row img{width:84px;height:62px;object-fit:contain;display:block}
.row b{font-size:16px;display:block;line-height:1.2}
.row small{color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row .p{font-family:"DM Mono",ui-monospace,monospace;font-weight:500;white-space:nowrap}
.row[aria-current="true"]{background:rgba(210,59,44,.08);background:color-mix(in srgb,var(--red) 7%,transparent)}
.row[aria-current="true"] b{color:var(--red)}
@media (hover:hover){.row:hover{background:rgba(128,128,128,.07);background:color-mix(in srgb,var(--ink) 4%,transparent)}}
.tag{display:inline-block;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:3px;letter-spacing:.06em;margin-left:6px;vertical-align:2px}
.tag.b{background:var(--blue)}

.foot{padding:26px 16px 30px;font-size:12px;color:var(--muted);text-align:center}
.foot p{margin:0 0 6px}
.foot .demo{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 10px;letter-spacing:.08em;font-size:10px;text-transform:uppercase}

.boot{padding:18px 16px;color:var(--muted);font-size:14px}