:root {
  --bg:#fffaf0; --panel:#fffdf7; --paper:#fffaf0; --grid:#b9dfe0; --ink:#3d3832; --muted:#8a7c6e;
  --line:#d9cfc1; --mint:#9eddbd; --blue:#8fc9eb; --yellow:#f7d66c; --coral:#f28c78; --purple:#b8a7e8; --shadow:#d6c8b7;
}
[data-theme="dark"] {
  --bg:#17232b; --panel:#20323a; --paper:#1b2b33; --grid:#38535b; --ink:#fff4dc; --muted:#a8b8b2;
  --line:#4d6668; --mint:#86cda9; --blue:#76b8de; --yellow:#f1ce63; --coral:#eb806f; --purple:#a99add; --shadow:#0d171d;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font:12px ui-rounded,"SF Pro Rounded","Arial Rounded MT Bold",system-ui,sans-serif}
body{display:flex;justify-content:center}button,a{-webkit-tap-highlight-color:transparent}
.page{width:min(500px,100%);padding:14px 14px calc(22px + env(safe-area-inset-bottom))}
.topbar{min-height:58px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;border-bottom:2px dashed var(--line);margin-bottom:11px}
.back,.topbar>button{min-height:44px;display:flex;align-items:center;padding:8px 0;border:0;background:none;color:var(--muted);font:900 10px inherit;letter-spacing:.08em;text-decoration:none;cursor:pointer}
.topbar>button{justify-content:flex-end}.back:hover,.back:focus-visible,.topbar>button:hover,.topbar>button:focus-visible{color:var(--coral);outline:none}
.brand{text-align:center;min-width:0}.brand h1{margin:0;font-size:clamp(17px,4.8vw,23px);font-weight:950;letter-spacing:.08em;line-height:1;white-space:nowrap;transform:rotate(-1deg)}
.brand span{display:block;margin-top:5px;color:var(--muted);font-size:8px;font-weight:900;letter-spacing:.1em;white-space:nowrap}
.toolbar{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:min(100%,400px);margin:0 auto 9px}.stat-pill{position:relative;padding:9px 12px;border:2px solid var(--ink);border-radius:13px 10px 14px 11px;background:var(--panel);box-shadow:2px 3px var(--shadow);display:flex;justify-content:space-between;align-items:center}.stat-pill span{color:var(--muted);font-size:8px;font-weight:900;letter-spacing:.1em}.stat-pill b{font-size:18px;line-height:1}.stat-score b{color:var(--coral)}.stat-best b{color:var(--purple)}
.frame{position:relative;width:min(100%,400px);margin:auto;padding:5px;border:3px solid var(--ink);border-radius:23px 19px 25px 20px;background:var(--paper);box-shadow:7px 8px var(--shadow);transform:rotate(.25deg)}
.frame canvas{display:block;width:100%;height:auto;aspect-ratio:2/3;border-radius:15px 12px 18px 14px;background:var(--paper);touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.overlay{position:absolute;inset:5px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:13px;padding:22px;border-radius:15px 12px 18px 14px;background:color-mix(in srgb,var(--paper) 92%,transparent);text-align:center}.overlay.hide{display:none}.stamp{color:var(--coral);font-size:39px;line-height:1;transform:rotate(-10deg)}.overlay b{font-size:clamp(24px,7vw,35px);font-weight:950;letter-spacing:.06em;line-height:1;transform:rotate(-2deg)}.overlay span{max-width:240px;color:var(--muted);font-size:9px;font-weight:900;letter-spacing:.1em;line-height:1.5}.overlay button{min-height:48px;padding:12px 20px;border:2px solid var(--ink);border-radius:15px 11px 17px 12px;background:var(--yellow);color:var(--ink);box-shadow:3px 4px var(--ink);cursor:pointer;font:950 11px inherit;letter-spacing:.08em}.overlay button:hover,.overlay button:focus-visible{background:var(--mint);outline:none}.overlay button:active{transform:translate(2px,2px);box-shadow:1px 2px var(--ink)}
.tips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 16px;margin:14px auto 0;color:var(--muted);font-size:8px;font-weight:900;letter-spacing:.08em}.tips span:before{content:"✦";color:var(--coral);margin-right:4px}footer{margin-top:11px;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.08em;line-height:1.5;text-align:center}
@media(max-width:480px){.page{padding:10px 10px max(18px,env(safe-area-inset-bottom))}.topbar{min-height:54px;gap:4px}.brand h1{font-size:17px}.brand span{font-size:6px;letter-spacing:.07em}.back,.topbar>button{font-size:8px}.frame{border-width:2px;border-radius:18px 15px 21px 16px;box-shadow:5px 6px var(--shadow)}.frame canvas,.overlay{border-radius:11px 9px 14px 10px}.overlay{inset:4px}.overlay b{font-size:25px}.overlay span{font-size:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}