:root{color-scheme:light;--bg:#edf5ef;--surface:#fff;--ink:#173d37;--muted:#49645e;--accent:#194e48;--on-accent:#fff;--line:#b8cec5;--soft:#ddebe2;--error:#9b2828;--space:clamp(1rem,3vw,1.75rem);font-family:"Segoe UI",system-ui,sans-serif;font-size:16px;line-height:1.55;background:var(--bg);color:var(--ink)}
:root[data-theme=dark]{color-scheme:dark;--bg:#102b27;--surface:#173a33;--ink:#f1f6ed;--muted:#bed0c7;--accent:#c2e4cc;--on-accent:#15372f;--line:#54776a;--soft:#23483d;--error:#ffb3a9}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{border:1px solid var(--line);border-radius:.7rem;min-height:44px;padding:.65rem 1rem;font-weight:600;background:var(--surface);color:var(--ink)}button:disabled{opacity:.55;cursor:default}button:not(:disabled):hover{border-color:var(--accent);background:var(--soft)}a{color:var(--ink);text-underline-offset:.22em}a:hover{color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;top:0;left:1rem;transform:translateY(-150%);background:var(--surface);padding:.8rem;z-index:10}.skip:focus{transform:translateY(0)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:76rem;margin:auto;padding:var(--space);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;font-weight:600}.brand b{font-weight:400;color:var(--muted);margin-left:.25rem}.brand img{object-fit:contain}.quiet{background:transparent}
main{max-width:42rem;margin:0 auto;padding:0 var(--space) 2rem}.intro{margin:clamp(1rem,4vh,3rem) 0 1.8rem;text-align:center}.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.15em;color:var(--muted)}h1{font-size:clamp(1.7rem,4vw,2.25rem);line-height:1.2;letter-spacing:-.035em;margin:.4rem 0 .6rem}h2{font-size:1rem;line-height:1.4;margin:0 0 .5rem}p{margin:.6rem 0;color:var(--muted)}.intro>p:last-child{font-size:.95rem}
.timer-face{padding:clamp(1.2rem,4vw,2rem);border:1px solid var(--line);border-radius:1.5rem;background:var(--surface);text-align:center}.modes{display:flex;max-width:17rem;padding:.25rem;gap:.25rem;margin:auto;border-radius:.85rem;background:var(--soft)}.modes button{flex:1;border:0;background:transparent}.modes button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #0001}.phase{font-size:.85rem;margin:1.5rem 0 0}.countdown{font-family:ui-monospace,"Cascadia Mono","Consolas",monospace;font-variant-numeric:tabular-nums;font-size:clamp(3.3rem,15.5vw,7.75rem);font-weight:500;letter-spacing:-.075em;line-height:1.3;white-space:nowrap}progress{display:block;width:100%;height:.3rem;border:none;border-radius:1rem;background:var(--soft);color:var(--accent);margin:1rem 0 1.7rem}progress::-webkit-progress-bar{background:var(--soft);border-radius:1rem}progress::-webkit-progress-value{background:var(--accent);border-radius:1rem}progress::-moz-progress-bar{background:var(--accent)}
.duration{display:flex;align-items:center;justify-content:center;gap:.75rem;margin:0 0 1.1rem;color:var(--muted);font-size:.9rem}input[type=number]{width:5.5rem;padding:.45rem .6rem;min-height:44px;border:1px solid var(--line);border-radius:.5rem;background:var(--surface);color:var(--ink)}.controls{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center}.controls .primary{flex:1;min-width:9rem;background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.controls .primary:hover{background:var(--accent);filter:brightness(1.1)}.status{min-height:1.6em;font-size:.82rem;margin:1rem 0 .25rem}.error{color:var(--error);font-size:.9rem}.preferences{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;text-align:left;border-top:1px solid var(--line);margin-top:1.2rem;padding-top:1rem;color:var(--muted);font-size:.78rem}.sound{display:flex;align-items:center;gap:.5rem;min-height:44px}.sound input{width:1.1rem;height:1.1rem;accent-color:var(--accent)}.theme{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}select{max-width:100%;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:.5rem;padding:.35rem}
.help{margin:1.3rem 0;border-bottom:1px solid var(--line)}summary{min-height:48px;padding:.65rem 0;font-weight:600;font-size:.9rem}.help section{padding:1rem 0;border-top:1px solid var(--line)}.help p{font-size:.88rem}.help .small{font-size:.78rem}.help-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin:.8rem 0}.help-actions button,.help .danger{font-size:.83rem}.danger{color:var(--error)}.notice{border:1px solid var(--line);background:var(--soft);border-radius:.8rem;padding:1rem;margin:1rem 0;font-size:.85rem}.notice button{margin-top:.5rem}footer{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.78rem;color:var(--muted);padding:.3rem 0}#remove-confirm{margin-top:.8rem}#remove-confirm button{margin:.3rem .3rem .3rem 0}
@media(max-width:360px){.brand{font-size:.9rem}.topbar{gap:.5rem}.topbar button{font-size:.8rem;padding:.5rem .65rem}.preferences{gap:.3rem}.timer-face{padding:1rem}.countdown{font-size:3.6rem}}
@media(prefers-reduced-motion:no-preference){button{transition:background-color .15s,border-color .15s}}
.topbar{padding-top:max(var(--space),env(safe-area-inset-top));padding-left:max(var(--space),env(safe-area-inset-left));padding-right:max(var(--space),env(safe-area-inset-right))}main{padding-bottom:max(2rem,env(safe-area-inset-bottom))}.timer-face{border-radius:1rem}.countdown{letter-spacing:-.04em;font-size:clamp(3.3rem,15.5vw,6rem)}h1{text-wrap:balance}button,summary{touch-action:manipulation}::selection{background:var(--accent);color:var(--on-accent)}