:root{--ink:#292b34;--paper:#fffaf2;--blue:#aacddc}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink)}
body{overflow:hidden;font-family:"Hannotate TC","HanziPen TC",system-ui,sans-serif;background-image:radial-gradient(#ac927420 .6px,transparent .8px);background-size:7px 7px}
body.sleep-page main{height:calc(100svh - 86px - env(safe-area-inset-bottom));max-width:466px;margin:auto;padding:max(6px,env(safe-area-inset-top)) 8px 6px;display:flex;flex-direction:column;gap:6px}
header{display:flex;align-items:center;min-height:34px}
h1{margin:0;font-size:clamp(1.22rem,5vw,1.55rem);letter-spacing:.07em}
.stats{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:7px;flex:0 0 auto}
.stats>div{height:50px;border:2px solid var(--ink);border-radius:11px 7px 12px 8px;padding:3px 9px;background:#f6e4c5;overflow:hidden}
.stats>div:nth-child(2){background:#e9eef0}
.stats span{display:block;font-size:.75rem;line-height:1.1;color:#655d51}
.stats strong{font-size:1.22rem;line-height:1.25;font-variant-numeric:tabular-nums}
.stats .next{display:flex;align-items:center;justify-content:space-between;background:#f4eedf;padding:0 5px 0 9px}
.next span{white-space:nowrap}
.next canvas{width:62px;height:46px;max-width:60%}
body.sleep-page .play{position:relative;flex:0 1 auto;min-height:0;align-self:center;width:100%;height:auto;aspect-ratio:450/680;margin:0;border:3px solid var(--ink);border-radius:18px 11px 20px 13px;overflow:hidden;box-shadow:4px 5px 0 var(--ink);background:#f4efe4}
#game{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}
#game:focus-visible{outline:3px solid #df942e;outline-offset:-5px}
#overlay{position:absolute;inset:0;display:grid;place-items:center;background:#fffaf2df;backdrop-filter:blur(3px);text-align:center;padding:20px}
#overlay[hidden]{display:none}
#overlay p{margin:0 0 7px;color:#625b53}
h2{margin:4px 0 8px;font-size:1.65rem}
button{font:inherit;min-height:46px;padding:8px 20px;border:2px solid var(--ink);border-radius:13px 8px 14px 9px;background:var(--blue);color:var(--ink);font-weight:700;box-shadow:2px 3px 0 var(--ink);touch-action:manipulation}
button:active{transform:translateY(2px);box-shadow:1px 1px var(--ink)}
@media(max-width:360px){body.sleep-page main{padding-left:6px;padding-right:6px}.stats{gap:5px}.stats>div{padding-left:7px;padding-right:7px}}
@media(min-width:700px){body.sleep-page main{max-width:466px}body.sleep-page .play{max-width:450px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}