:root { color-scheme: dark; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif; background:#090d12; color:#f6f8fc; --muted:#a9b5c6; --accent:#57e6a0; }
* { box-sizing:border-box; }
body { margin:0; overscroll-behavior:none; }
button, select { font:inherit; }
button { border:1px solid #354151; background:#18212d; color:inherit; border-radius:16px; min-height:48px; padding:10px 14px; font-weight:700; cursor:pointer; touch-action:manipulation; -webkit-tap-highlight-color:transparent; }
button:active { filter:brightness(.82); }
button:focus-visible, select:focus-visible { outline:3px solid #8bbfff; outline-offset:3px; }
button:disabled { opacity:.4; cursor:default; }
[hidden] { display:none !important; }
#clock { height:100svh; height:100dvh; min-height:540px; max-width:600px; margin:auto; display:flex; flex-direction:column; gap:12px; padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
body.neck #clock { transform:rotate(180deg); padding-top:max(12px, env(safe-area-inset-bottom)); padding-bottom:max(12px, env(safe-area-inset-top)); }
header { display:flex; justify-content:space-between; align-items:center; gap:8px; }
.quiet { border:0; background:transparent; font-size:12px; padding:8px 4px; border-radius:8px; }
.brand { font-size:18px; font-weight:900; white-space:nowrap; }
.brand > span:first-child { color:var(--accent); }
.ref-label { display:block; color:var(--muted); font-size:8px; letter-spacing:2px; text-align:center; }
.tools { display:flex; gap:7px; }
.tools button { flex:1; padding:8px 4px; font-size:11px; border-radius:10px; }
.tools button[aria-pressed=true] { border-color:var(--accent); color:var(--accent); }
.display { flex:1; display:flex; flex-direction:column; justify-content:center; text-align:center; min-height:180px; }
h1 { margin:0 0 12px; font-size:13px; font-weight:600; color:var(--muted); }
#state { margin:0; font-size:15px; font-weight:800; letter-spacing:4px; color:var(--accent); }
#digits { font-size:clamp(100px, 43vw, 220px); line-height:1.08; letter-spacing:-.055em; font-weight:850; font-variant-numeric:tabular-nums; }
.progress { height:5px; background:#25303e; border-radius:8px; margin:12px 18px 0; overflow:hidden; }
#progress { height:100%; width:100%; background:var(--accent); }
#hint { font-size:12px; color:var(--muted); margin:12px 0 0; min-height:30px; }
#clock[data-state=paused] #digits, #clock[data-state=paused] #state { color:#ffcf70; }
#clock.warning #digits { color:#ffcf70; }
#clock.urgent #digits, #clock[data-state=expired] #state { color:#ff7785; }
#clock.urgent #progress { background:#ff7785; }
.controls { display:grid; gap:10px; }
.primary { background:var(--accent); border-color:var(--accent); color:#062618; min-height:68px; font-size:23px; font-weight:850; width:100%; }
#clock[data-state=running] .primary { background:#f6f8fc; border-color:#f6f8fc; color:#111a26; }
.secondary { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.secondary:has(button[hidden]) { display:none; }
.secondary button { min-height:60px; font-size:19px; }
.minor { display:grid; grid-template-columns:1.4fr 1fr; gap:10px; }
.minor button { min-height:48px; font-size:14px; }
footer { font-size:10px; color:var(--muted); text-align:center; }
#notice { color:#ffcf70; min-height:14px; margin:0 0 8px; }
.health { display:flex; justify-content:center; flex-wrap:wrap; gap:8px 16px; }
.rule-note { font-size:9px; margin:8px 0 0; }
dialog { border:1px solid #415064; border-radius:22px; color:#f6f8fc; background:#111923; padding:24px; width:calc(100% - 36px); max-width:420px; max-height:calc(100dvh - 40px); overflow:auto; }
dialog::backdrop { background:#000c; }
body.neck dialog { transform:rotate(180deg); }
dialog h2 { margin:0 0 18px; font-size:22px; }
dialog p { color:var(--muted); line-height:1.5; }
dialog form { display:grid; gap:12px; }
dialog label { font-size:14px; font-weight:700; }
select { width:100%; padding:12px; color:inherit; background:#202b39; border:1px solid #415064; border-radius:10px; min-height:48px; }
.help { margin:0; font-size:12px; }
dialog .primary { min-height:54px; font-size:18px; }
.danger { width:100%; margin-top:12px; border-color:#b84a5a; color:#ffa6ae; }
@media (max-height:700px) { #clock { gap:8px; } #digits { font-size:clamp(95px, 37vw, 160px); } h1 { margin-bottom:6px; } .primary { min-height:58px; font-size:21px; } .secondary button { min-height:50px; } #hint { margin-top:8px; } }
@media (orientation:landscape) and (max-height:600px) { #clock { max-width:900px; min-height:360px; display:grid; grid-template-columns:1fr 1fr; grid-template-rows:auto auto 1fr auto; } header, .tools, footer { grid-column:1 / -1; } .display { grid-column:1; grid-row:3; } .controls { grid-column:2; grid-row:3; align-content:center; } #digits { font-size:110px; } #hint { margin:6px 0; } }
.secondary:has(#pause[hidden]):not(:has(#restart[hidden])) { display:grid; grid-template-columns:1fr; }
@media (orientation:portrait) and (max-height:600px) { #clock { min-height:0; gap:6px; padding-top:max(6px, env(safe-area-inset-top)); padding-bottom:max(6px, env(safe-area-inset-bottom)); } .display { min-height:120px; } #digits { font-size:96px; } h1 { display:none; } .tools button { min-height:36px; } header button { min-height:36px; } .primary { min-height:46px; font-size:19px; } .secondary button { min-height:44px; font-size:17px; } .minor button { min-height:42px; } .controls { gap:6px; } #hint { font-size:10px; min-height:24px; } .progress { margin-top:4px; } footer { font-size:9px; } }