:root{color-scheme:light dark;--paper:light-dark(#fafaf7,#202520);--ink:light-dark(#23352c,#eef3ec);--soft:light-dark(#e9eee7,#303b32);--muted:light-dark(#58645c,#b6c3b7);--action:light-dark(#244e39,#b4d7aa);--on-action:light-dark(#fff,#17311e);font-family:system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper)}
.switch{display:flex;gap:6px;margin:24px 0;background:var(--soft);padding:4px;border-radius:18px}.switch button{min-height:44px;background:transparent;font-size:14px}.switch button[aria-pressed=true]{background:var(--action);color:var(--on-action)}.sample-control{display:flex;align-items:center;gap:8px;min-height:44px;font-size:14px}.sample-control input{width:20px;height:20px;accent-color:var(--action)}.period-nav{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;gap:6px;align-items:center}.period-nav button{min-height:44px;font-size:24px;padding:4px}.period-nav p{text-align:center;font-size:13px;margin:0}.period-total{text-align:center;font-variant-numeric:tabular-nums}.period-total strong{display:inline;font-size:36px}.period-total>span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.plot{display:grid;grid-template-columns:32px minmax(0,1fr);gap:4px}#axis{height:200px;display:flex;flex-direction:column;justify-content:space-between;text-align:right;font-size:11px;color:var(--muted)}#axis span{transform:translateY(-50%)}#bars{display:grid;gap:2px;background:repeating-linear-gradient(to top,transparent 0,transparent 49px,var(--soft) 49px,var(--soft) 50px);background-size:100% 200px;background-repeat:no-repeat;min-width:0}.bar-day{min-height:224px!important;border-radius:0;padding:0!important;background:transparent!important;display:flex;flex-direction:column;align-items:stretch;position:relative;min-width:0}.bar-day .bar-track{height:200px;display:flex;flex-direction:column-reverse;margin:0 12%;overflow:hidden}.bar-day .bar-segment{display:block;flex-shrink:0;margin:0;min-height:0}.bar-day .bar-label{display:block;height:24px;font-size:11px;margin:0;padding-top:7px;line-height:17px}.bar-day[aria-pressed=true]{box-shadow:inset 0 -3px var(--action);background:var(--soft)!important}#legend{display:flex;flex-wrap:wrap;gap:10px 14px;margin:20px 0}#legend>span{display:flex;align-items:center;gap:5px;font-size:12px}#legend i{display:inline-block;width:12px;height:12px;border-radius:3px}.day-detail{border-top:1px solid var(--soft);padding-top:20px;margin-top:24px}.day-detail label{display:block;margin-bottom:12px;font-size:14px}#detail-total{font-size:14px}#review-screen h1{margin-top:28px}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}main{max-width:420px;margin:auto;padding:28px 24px max(24px,env(safe-area-inset-bottom))}header{display:flex;justify-content:space-between;align-items:center}.brand{font-size:12px;letter-spacing:2px;font-weight:600}.badge{font-size:11px;padding:5px 8px;border-radius:8px;background:var(--soft)}.date{font-size:13px;color:var(--muted);margin:28px 0 10px}h1{font-size:24px;font-weight:600;margin:0 0 28px}.muted{font-size:13px;color:var(--muted)}button,select{font:inherit;color:var(--ink);background:var(--soft);border:0;border-radius:16px;min-height:56px;padding:12px;width:100%;touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:active:not(:disabled){filter:brightness(.9)}:focus-visible{outline:3px solid var(--action);outline-offset:3px}.grade-row{display:grid;grid-template-columns:76px minmax(0,1fr) 76px;gap:10px;margin:12px 0 28px}.grade-row b{display:block;font-size:24px;font-weight:500}small{font-size:12px}#grade{font-size:24px;text-align:center;font-weight:600}.actions{display:grid;gap:12px}.actions button{min-height:72px;font-size:21px;font-weight:600}button span{display:block;font-size:12px;font-weight:400;margin-top:4px}.primary{background:var(--action);color:var(--on-action)}.round{background:light-dark(#dae7d6,#3b503b)}.quiet{background:transparent;font-size:13px;min-height:48px}#feedback{font-size:13px;min-height:20px;margin:18px 0 0;text-align:center}.summary{margin-top:24px;border-top:1px solid var(--soft);padding-top:8px}.numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}strong{display:block;font-size:28px;font-weight:500;font-variant-numeric:tabular-nums}.numbers span{font-size:12px;color:var(--muted)}#end{margin-top:20px}#history{margin-top:32px}#history label{font-size:14px;display:block;margin-bottom:10px}table{width:100%;border-collapse:collapse;margin-top:16px;font-size:13px;text-align:right}th,td{padding:10px 3px;border-bottom:1px solid var(--soft);font-variant-numeric:tabular-nums}th:first-child,td:first-child{text-align:left}footer{font-size:12px;color:var(--muted);line-height:1.7;margin-top:36px}.note,#error{font-size:13px;line-height:1.7;background:var(--soft);border-radius:12px;padding:12px}#error{color:light-dark(#9b2424,#ffb4b4)}@media(max-width:360px){main{padding:20px 18px}.grade-row{grid-template-columns:64px minmax(0,1fr) 64px;gap:8px}}
.switch button[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink);font-weight:700}.switch button[aria-pressed=true]::before{content:'✓ ';font-weight:700}.bar-day[aria-pressed=true]{background:transparent!important;box-shadow:inset 2px 0 var(--ink),inset -2px 0 var(--ink),inset 0 -3px var(--ink)}.bar-day[aria-pressed=true]::before{content:'▼';position:absolute;top:-17px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--ink)}.plot{margin-top:24px}#bars.single-day .bar-track{width:64px;max-width:80%;margin:0 auto}#bars.single-day .bar-day{box-shadow:none}#bars.single-day .bar-day::before{display:none}.day-detail h2{font-size:16px;font-weight:600}
:root{color-scheme:light;--paper:#fff;--ink:#232326;--soft:#f0f0f2;--muted:#626268;--highlight:#dcefd6}
:root[data-theme=dark]{color-scheme:dark;--paper:#18181b;--ink:#f4f4f5;--soft:#2b2b30;--muted:#b3b3bc;--highlight:#364b31}
#theme-toggle{width:auto;min-height:44px;padding:8px 12px;font-size:12px}
.switch button[aria-pressed=true]{background:var(--highlight);box-shadow:none;color:var(--ink)}
.switch button[aria-pressed=true]::before{content:none}
.bar-day[aria-pressed=true]{box-shadow:none;background:transparent!important}
.bar-day[aria-pressed=true]::before{content:none}
.bar-day[aria-pressed=true]::after{content:'';position:absolute;top:0;left:0;right:0;height:200px;background:var(--highlight);z-index:0;pointer-events:none}
.bar-day .bar-track,.bar-day .bar-label{position:relative;z-index:1}
#bars.single-day .bar-day::after{display:none}
.grade-swatch{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:middle}