:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
--bg:#e8eef6;--glow:#c5daf5;--card:#fff;--ink:#1b2433;--mute:#5f6e86;--line:#d3dceb;--acc:#2f6fd6;--acc2:#5aa0f0;--accink:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b111a;--glow:#173456;--card:#141d2a;--ink:#e6edf7;--mute:#8797ae;--line:#243246;--acc:#5aa0f0;--acc2:#2f6fd6;--accink:#08111c}}
:root[data-theme="dark"]{--bg:#0b111a;--glow:#173456;--card:#141d2a;--ink:#e6edf7;--mute:#8797ae;--line:#243246;--acc:#5aa0f0;--acc2:#2f6fd6;--accink:#08111c}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(900px 520px at 50% -8%,var(--glow),transparent 70%) no-repeat,var(--bg);color:var(--ink);font:16px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}
main{max-width:460px;margin:0 auto;padding:20px 16px 40px}
h1{font-size:23px;line-height:1.25;margin:8px 0 6px;letter-spacing:.2px}
.sub{color:var(--mute);margin:0 0 18px;font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;margin-bottom:16px;box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 12px 32px -14px rgba(20,50,100,.35)}
.chip{transition:.15s}.chip:hover{border-color:var(--acc)}.chip.sel{box-shadow:0 4px 14px -4px var(--acc)}
.lab{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:0 0 10px;display:flex;justify-content:space-between}
.hero{text-align:center;padding:30px 16px 24px;background:linear-gradient(180deg,color-mix(in srgb,var(--acc) 14%,var(--card)),var(--card) 70%)}
#play{width:120px;height:120px;border-radius:50%;border:0;background:linear-gradient(145deg,var(--acc2),var(--acc));color:var(--accink);font-size:44px;cursor:pointer;box-shadow:0 12px 34px rgba(47,111,214,.45);transition:transform .15s}
#play:active{transform:scale(.95)}
#play.on{animation:pulse 4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 20px rgba(90,160,240,.14),0 12px 34px rgba(47,111,214,.45)}}
#clock{font-size:34px;font-variant-numeric:tabular-nums;margin-top:14px;font-weight:300}
#state{color:var(--mute);font-size:13px;min-height:18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.chip{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:12px;padding:11px 4px;font:inherit;font-size:14px;cursor:pointer}
.chip.sel{background:var(--acc);border-color:var(--acc);color:var(--accink)}
input[type=range]{width:100%;accent-color:var(--acc);height:32px}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}
select{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px;font:inherit;font-size:14px}
.sw{position:relative;width:46px;height:28px;flex:none}
.sw input{opacity:0;position:absolute;inset:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:1}
.sw i{position:absolute;inset:0;background:var(--line);border-radius:14px;transition:.2s}
.sw i:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:.2s}
.sw input:checked+i{background:var(--acc)}.sw input:checked+i:after{transform:translateX(18px)}
.small{font-size:12px;color:var(--mute);margin:10px 0 0}
.adv summary{cursor:pointer;color:var(--mute);font-size:14px;padding:12px 0 4px}
.mrow{display:flex;align-items:center;gap:10px;font-size:14px}.mrow span{width:58px}
.num{display:flex;gap:8px;align-items:center;margin-top:12px;flex-wrap:wrap}
.num input,.num select{width:66px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:9px;font:inherit;text-align:center}
.num input[type=time],.num select{width:auto}
#night{position:fixed;inset:0;background:#000;color:#5a5a5a;display:none;flex-direction:column;align-items:center;justify-content:center;z-index:8;user-select:none}
#night.show{display:flex}#ntime{font-size:min(17vw,28vh);white-space:nowrap;font-weight:200;font-variant-numeric:tabular-nums;line-height:1}
#nsub{font-size:max(4vw,16px);margin-top:2vh}#nhint{position:absolute;bottom:calc(20px + env(safe-area-inset-bottom,0px));font-size:12px;opacity:.6}
#nx{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:16px;background:none;border:1px solid #333;color:#555;border-radius:10px;padding:8px 14px;font:inherit}
.seo h2{font-size:18px;margin:28px 0 8px}.seo p,.seo li{color:var(--mute);font-size:15px}.seo ul{padding-left:20px}
.seo details{border-top:1px solid var(--line);padding:8px 0}.seo summary{cursor:pointer}
footer{text-align:center;color:var(--mute);font-size:13px;margin-top:30px}
#alarm{position:fixed;inset:0;background:rgba(10,10,20,.82);display:none;align-items:center;justify-content:center;z-index:9;padding:20px}
#alarm.show{display:flex}
#alarm div{background:var(--card);border-radius:24px;padding:30px;text-align:center;max-width:320px;width:100%}
#alarm h2{margin:0 0 6px}#alarm button{margin-top:18px;width:100%;border:0;border-radius:14px;padding:16px;font:inherit;font-size:18px;background:var(--acc);color:var(--accink);cursor:pointer}

a{color:var(--acc)}.top{font-size:14px;margin:0 0 2px}
.links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.links a{border:1px solid var(--line);border-radius:999px;padding:7px 13px;color:var(--ink);text-decoration:none;font-size:14px}.links a:hover{border-color:var(--acc)}
footer a{color:var(--mute)}
.bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:14px}#theme{padding:7px 12px;font-size:13px;white-space:nowrap}

#ntime small{font-size:.22em;margin-left:.25em;font-weight:300}
#nl,#nr{position:absolute;top:0;bottom:0;width:50%;-webkit-tap-highlight-color:transparent}#nl{left:0}#nr{right:0}
#ntime,#nsub{pointer-events:none}
#nhint{width:100%;text-align:center;pointer-events:none;animation:hf 1s 10s forwards}@keyframes hf{to{opacity:0}}
.bigbtn{display:flex;flex-direction:column;align-items:center;width:100%;margin-top:20px;padding:16px 12px;border-radius:16px;border:2px solid var(--acc);background:color-mix(in srgb,var(--acc) 16%,var(--card));color:var(--ink);font:inherit;font-size:19px;font-weight:600;cursor:pointer}
.bigbtn small{font-weight:400;font-size:12px;color:var(--mute);margin-top:4px}.bigbtn:hover{background:color-mix(in srgb,var(--acc) 26%,var(--card))}

.bar{flex-wrap:wrap;gap:8px}.bt{display:flex;gap:8px;margin-left:auto}#inst{padding:7px 12px;font-size:13px;white-space:nowrap}
.modal{position:fixed;inset:0;background:rgba(5,10,20,.7);display:none;align-items:center;justify-content:center;z-index:12;padding:16px}.modal.show{display:flex}
.modal>div{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:20px;padding:22px;max-width:420px;width:100%;max-height:88vh;overflow:auto}
.modal h2{margin:0 0 6px;font-size:20px}.modal h3{font-size:15px;margin:16px 0 4px}.modal p{color:var(--mute);font-size:14px;margin:0}
.modal ol{margin:0;padding-left:20px;color:var(--mute);font-size:14px;line-height:1.6}
.modal button{margin-top:18px;width:100%;border:0;border-radius:12px;padding:13px;font:inherit;background:var(--acc);color:var(--accink);cursor:pointer}