:root{--bg:#fff;--card:#fff;--ink:#000;--mute:#666;--line:#d9d9d9;--soft:#f3f3f3;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#000;--card:#111;--ink:#fff;--mute:#999;--line:#333;--soft:#1a1a1a;color-scheme:dark}}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.app{max-width:460px;margin:0 auto;padding:16px;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;gap:14px}
.screen{display:none;flex-direction:column;gap:14px;flex:1}.screen.on{display:flex}
.center{justify-content:center;align-items:center;text-align:center}.center .btn{max-width:320px;margin-top:10px}
h1{font-size:28px;line-height:1.1;margin:0}h2{font-size:19px;margin:0}p{margin:0;color:var(--mute);line-height:1.45}.small{font-size:12px;margin-top:10px}.note{font-size:12px;text-align:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.btn{appearance:none;border:1px solid var(--ink);border-radius:12px;padding:14px 16px;font-size:16px;font-weight:600;background:var(--ink);color:var(--bg);cursor:pointer;width:100%}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn:disabled{opacity:.5}
label{display:block;font-size:13px;color:var(--mute);margin:12px 0 6px}
input[type=text],input[type=email],input[type=password]{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:16px}
.row{display:flex;gap:8px}.row>*{flex:1}
.logo{max-width:220px;max-height:96px;object-fit:contain}
.mono{width:60px;height:60px;border-radius:16px;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-size:28px;font-weight:800}
.stage{position:relative;aspect-ratio:1/1;width:min(100%,50vh);width:min(100%,50dvh);margin:0 auto;border-radius:16px;overflow:hidden;background:#000}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;justify-content:center;min-height:0}.thumbs img{width:56px;height:56px;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.stage video.back{transform:none}
.flip{position:absolute;top:10px;right:10px;border:0;border-radius:999px;padding:8px 14px;font-size:14px;font-weight:600;background:rgba(0,0,0,.6);color:#fff;cursor:pointer}
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.count{position:absolute;inset:0;display:grid;place-items:center;font-size:120px;font-weight:800;color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.5)}
.seg{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}.seg button{flex:1;padding:12px;border:0;background:var(--card);color:var(--ink);font-size:15px;font-weight:600;cursor:pointer}.seg button.on{background:var(--ink);color:var(--bg)}
.strip{display:block;margin:0 auto;max-height:42vh;max-height:42dvh;max-width:100%;width:auto;border-radius:8px;box-shadow:0 6px 24px rgba(0,0,0,.18)}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 4px;border-bottom:1px solid var(--line)}th{color:var(--mute)}
.url{font-family:ui-monospace,Menlo,monospace;font-size:13px;background:var(--soft);padding:10px;border-radius:10px;word-break:break-all}
.big{font-size:32px;font-weight:800}.err{color:#d00;font-size:14px;margin-top:8px}