:root{--bg:#F5F8F7;--card:#FFFFFF;--ink:#10282B;--muted:#3C5558;--line:#D5E2DF;--accent:#0B6366;--soft:#E3EEEB;--lav:#ECE9F7;--lav-ink:#3B2F6B;--lav-line:#CFC8E8;--field:#FFFFFF;--c-shift:#0B6366;--c-comm:#9FB5B1;--c-sleep:#8E82C9;--c-nap:#CFC8E8;--alert:#FBE9E7;--alert-ink:#7A1F14;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0C1A1C;--card:#13272A;--ink:#E8F1EF;--muted:#A9C0BC;--line:#264246;--accent:#5FC0BE;--soft:#17302F;--lav:#262240;--lav-ink:#D9D3F5;--lav-line:#3A3560;--field:#0C1A1C;--c-shift:#5FC0BE;--c-comm:#4A6663;--c-sleep:#A99FE0;--c-nap:#5B5290;--alert:#3A1A17;--alert-ink:#FFC9C2;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0C1A1C;--card:#13272A;--ink:#E8F1EF;--muted:#A9C0BC;--line:#264246;--accent:#5FC0BE;--soft:#17302F;--lav:#262240;--lav-ink:#D9D3F5;--lav-line:#3A3560;--field:#0C1A1C;--c-shift:#5FC0BE;--c-comm:#4A6663;--c-sleep:#A99FE0;--c-nap:#5B5290;--alert:#3A1A17;--alert-ink:#FFC9C2;color-scheme:dark}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.5}
.wrap{max-width:1000px;margin:0 auto;padding:24px}
.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.brand{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}
.back{color:var(--accent);font-weight:700;text-decoration:none;font-size:15px}
h1{font-size:40px;line-height:1.1;letter-spacing:-0.02em;font-weight:800;margin:40px 0 0}
.sub{color:var(--muted);font-size:18px;margin:12px 0 0;max-width:640px}
.grid{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;align-items:flex-start}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}
.form{flex:1 1 360px}
.result{flex:1 1 460px;background:var(--soft);border-color:transparent}
.field{margin-bottom:20px}
.field:last-child{margin-bottom:0}
label.l{display:block;font-weight:700;font-size:15px;margin-bottom:8px}
.two{display:flex;gap:12px;flex-wrap:wrap}
.two>div{flex:1 1 140px}
input[type=time],select{min-height:48px;border-radius:12px;border:1px solid var(--line);background:var(--field);color:var(--ink);font-family:inherit;font-size:16px;padding:0 14px;width:100%}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}
.hint{font-size:13px;color:var(--muted);margin:6px 0 0}
.lbl{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em}
.type{font-size:26px;font-weight:800;letter-spacing:-0.02em;color:var(--accent);margin:6px 0 0}
.lane{margin-top:14px}
.lane small{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:4px}
.track{position:relative;height:18px;border-radius:9px;background:var(--line);overflow:hidden}
.track i{position:absolute;top:0;bottom:0;display:block}
.axis{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:4px}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:12px;font-size:13px;color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;background:var(--k)}
.list{margin:20px 0 0;padding:0;list-style:none}
.list li{background:var(--card);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.list .h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.list b{font-size:16px}
.list .t{font-weight:800;font-size:18px;color:var(--accent)}
.list .d{display:block;font-size:14px;color:var(--muted);margin-top:2px}
h2{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em;margin:24px 0 8px}
.tips{margin:0;padding:0 0 0 20px;font-size:15px}
.tips li{margin-bottom:8px}
.warn{background:var(--alert);color:var(--alert-ink);border:1px solid #C0392B;border-radius:12px;padding:12px 16px;font-size:14px;font-weight:700;margin-top:16px}
.note{color:var(--muted);font-size:13px;margin:24px 0 0}
.hint2{font-size:14px;color:var(--muted);margin:0}
[hidden]{display:none!important}
@media (max-width:520px){h1{font-size:32px}.card{padding:20px}}