:root{--bg:#f4f6fa;--surface:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#047857;--primary-dark:#065f46;--primary-soft:#ecfdf5;--accent:#d97706;--danger:#b91c1c;--radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(15,23,42,.06),0 12px 32px -16px rgba(15,23,42,.22)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:900px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:10;background:var(--surface);box-shadow:0 1px 3px rgba(15,23,42,.08)}
.bar{display:flex;justify-content:space-between;align-items:center;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);text-decoration:none}
.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;font-size:15px}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-weight:500}nav a:hover{color:var(--primary)}
h1{font-size:clamp(30px,5vw,42px);letter-spacing:-.02em;margin:36px 0 8px}
.intro{color:var(--muted);max-width:68ch;margin:0 0 24px}
.card{background:var(--surface);border-radius:16px;box-shadow:var(--shadow);padding:28px 20px;margin-bottom:22px}
@media(min-width:640px){.card{padding:28px}}
h2{display:flex;align-items:center;gap:10px;font-size:21px;margin:0 0 18px}
.ic{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--primary-soft);font-size:17px}
.grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
input[type=text],input[type=time]{height:46px;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;font:inherit;font-weight:400;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
input:focus-visible{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(4,120,87,.15)}
input:disabled{background:var(--bg);color:var(--muted)}
.sw{flex-direction:row;align-items:center;gap:12px;margin-top:18px;cursor:pointer}
.sw input{position:absolute;opacity:0}
.track{position:relative;flex:none;width:46px;height:26px;border-radius:99px;background:#cbd5e1;transition:background .2s}
.track::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .2s}
.sw input:checked+.track{background:var(--primary)}.sw input:checked+.track::after{transform:translateX(20px)}
.sw input:focus-visible+.track{box-shadow:0 0 0 3px rgba(4,120,87,.25)}
.err{color:var(--danger);background:#fef2f2;border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;margin:16px 0 0}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.btn{height:42px;padding:0 16px;display:inline-flex;align-items:center;border:1.5px solid var(--primary);border-radius:var(--radius-sm);background:var(--primary);color:#fff;font:600 14px inherit;font-family:inherit;text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--primary-dark)}.btn.ghost{background:#fff;color:var(--primary)}.btn.ghost:hover{background:var(--primary-soft)}
.btn:focus-visible{outline:3px solid rgba(4,120,87,.35);outline-offset:2px}
.top{display:grid;gap:16px}
@media(min-width:720px){.top{grid-template-columns:1.2fr 1fr}}
.hero{background:var(--primary-soft);box-shadow:inset 0 0 0 1.5px rgba(4,120,87,.25);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:2px}
.hero strong{font-size:48px;font-weight:800;line-height:1.1;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.nd{color:var(--primary-dark);font-weight:600}
.count{background:var(--ink);color:#fff;border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:2px;justify-content:center}
.count strong{font-size:40px;font-weight:700;font-variant-numeric:tabular-nums}
.lbl{font-size:14px;color:var(--muted)}.count .lbl{color:#94a3b8}
.details{display:grid;gap:12px;margin:16px 0;grid-template-columns:1fr}
@media(min-width:640px){.details{grid-template-columns:1fr 1fr}}
.details div{border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px}
.details span{display:block;font-size:13px;color:var(--muted)}.details b{font-size:15px}
.tl-wrap{padding:34px 8px 6px}
.tl{position:relative;height:22px;border-radius:99px;background:var(--line)}
.seg{position:absolute;top:0;height:100%}.seg.w{background:var(--primary)}.seg.p{background:var(--accent)}
.seg.first{border-radius:99px 0 0 99px}.seg.last{border-radius:0 99px 99px 0}
.mk{position:absolute;top:-6px;bottom:-6px;width:0;border-left:2px solid var(--ink)}
.mk.now{border-color:var(--danger)}
.mk span{position:absolute;bottom:100%;left:0;transform:translateX(-50%);font-size:12px;font-weight:600;white-space:nowrap;padding-bottom:3px}
.mk.s span{transform:translateX(-10%)}.mk.e span{transform:translateX(-90%)}
.legend{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-top:14px;flex-wrap:wrap}
.legend i{width:14px;height:8px;border-radius:4px;display:inline-block;margin-left:10px}
.legend .w{background:var(--primary)}.legend .p{background:var(--accent)}.legend .n{background:var(--danger);width:3px;height:14px}
h3{font-size:15px;margin:24px 0 8px}
.hist{list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted)}.hist li{padding:6px 0;border-top:1px solid var(--line)}
.formulas{margin:0;padding-left:20px}.formulas li{margin:6px 0}
.faq details{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:12px;padding:16px 0;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:18px;transition:transform .2s}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.faq p{margin:0 0 16px;color:var(--muted);animation:fd .25s ease}
@keyframes fd{from{opacity:0;transform:translateY(-4px)}}
.rel{display:flex;gap:12px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.rel a{display:block;padding:10px 16px;border:1.5px solid var(--line);border-radius:var(--radius-sm);color:var(--primary);font-weight:600;text-decoration:none}
footer.site{background:var(--ink);color:#cbd5e1;padding:32px 0;margin-top:40px;font-size:14px}
footer.site a{color:#fff}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{header.site,footer.site,.actions,.faq,.rel,form .sw,#result~section,.card:last-of-type{display:none!important}
body{background:#fff}.card{box-shadow:none;border:1px solid #999;break-inside:avoid}.count{background:#fff;color:#000;border:1px solid #999}.count .lbl{color:#000}.hist{display:none}}

.mark-img{width:40px;height:40px;border-radius:14px;display:block;flex:none}