[hidden]{display:none!important}
:root{--bg:#fbfaf7;--fg:#1d1d1f;--muted:#55565b;--card:#fff;--line:#dcd9d0;--accent:#1f5fbf;--accent-fg:#fff;--ok:#1e7a45;--fs:18px;--ls:normal;--ws:normal;--lh:1.5}
@media (prefers-color-scheme:dark){:root{--bg:#141518;--fg:#f2f2f2;--muted:#b8b9bd;--card:#1f2125;--line:#3a3c42;--accent:#7fb0ff;--accent-fg:#0b1220}}
html.large{--fs:23px}
html.contrast{--bg:#000;--fg:#fff;--muted:#fff;--card:#000;--line:#fff;--accent:#ffd400;--accent-fg:#000}
html.spacing{--ls:.06em;--ws:.16em;--lh:1.85}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:400 var(--fs)/var(--lh) system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;letter-spacing:var(--ls);word-spacing:var(--ws)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--accent);color:var(--accent-fg);padding:8px 12px;z-index:9}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;max-width:760px;margin:0 auto;padding:20px 20px 0}
h1{font-size:1.3em;margin:0}
.prefs{display:flex;flex-wrap:wrap;gap:6px}
main{max-width:760px;margin:0 auto;padding:12px 20px 40px}
h2{font-size:1.5em;margin:.6em 0 .2em}
.hint,.meta{color:var(--muted)}
.small{font-size:.85em}
textarea{width:100%;font:inherit;padding:14px;border:2px solid var(--line);border-radius:12px;background:var(--card);color:var(--fg);resize:vertical}
button{font:inherit;min-height:48px;padding:10px 16px;border-radius:12px;border:2px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg);font-weight:650}
button.ghost{background:transparent}
button.danger{color:#b3261e}
html.contrast button.danger{color:var(--fg)}
button.pref{min-height:40px;padding:6px 12px;font-size:.8em}
button[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
:focus-visible{outline:4px solid var(--accent);outline-offset:3px}
kbd{font:600 .75em ui-monospace,monospace;border:1px solid currentColor;border-radius:5px;padding:0 5px;margin-right:4px;opacity:.8}
.row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.energy{border:0;padding:0;margin:16px 0 0}.energy legend{font-weight:600}.energy label{display:block;padding:6px 0}
.energy input{width:22px;height:22px;vertical-align:middle;margin-right:8px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75em;color:var(--muted);margin:24px 0 8px}
.card{background:var(--card);border:2px solid var(--line);border-radius:18px;padding:28px 24px;box-shadow:0 6px 24px rgba(0,0,0,.06)}
.task{font-size:1.9em;font-weight:700;line-height:1.25;margin:0 0 .4em}
.task:focus{outline:none}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
@media (max-width:520px){.actions{grid-template-columns:1fr}}
.timer{margin-top:16px;padding:16px;border-radius:14px;border:2px dashed var(--accent);display:flex;align-items:center;justify-content:space-between;gap:12px}
.timer p{margin:0;font:700 2.2em ui-monospace,monospace}
.progress{margin-top:18px;color:var(--ok);font-weight:600}
details{margin-top:12px}summary{cursor:pointer;min-height:44px;padding:8px 0}
#list li{padding:6px 0;border-bottom:1px solid var(--line)}#list li.done{text-decoration:line-through;color:var(--muted)}
footer{max-width:760px;margin:0 auto;padding:0 20px 30px;color:var(--muted);font-size:.8em}
@media (prefers-reduced-motion:no-preference){html:not(.calm) .card{animation:pop .25s ease-out}}
@keyframes pop{from{transform:translateY(6px);opacity:.4}to{transform:none;opacity:1}}
html.calm .card{box-shadow:none}html.calm .progress{color:var(--muted)}