:root{--ink:#101828;--muted:#667085;--line:#e4e7ec;--surface:#fff;--canvas:#f4f7fb;--aqua:#15b8c8;--lime:#70db75;--navy:#111d31;--orange:#ff9f43;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter",ui-sans-serif,system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(ellipse 65% 45% at 100% 0,rgba(21,184,200,.12),transparent 66%),var(--canvas);color:var(--ink);letter-spacing:-.018em}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;height:72px;padding:0 max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(16,24,40,.07);background:rgba(255,255,255,.84);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;color:var(--ink);font-size:20px;font-weight:900;letter-spacing:-.06em;text-decoration:none}.brand i{width:10px;height:10px;margin-right:7px;border-radius:50%;background:linear-gradient(135deg,var(--aqua),var(--lime))}
.topbar nav{display:flex;align-items:center;gap:13px}.topbar nav>a{color:var(--muted);font-size:12px;font-weight:780;text-decoration:none}
.roundButton{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:44px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:800 12px inherit;cursor:pointer}.roundButton.theme b{font-size:11px}
main{max-width:1180px;margin:auto;padding:70px 24px}.intro{max-width:850px;margin-bottom:39px}.eyebrow{margin:0 0 10px;color:#087f8b;font-size:10px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.intro h1{margin:0;font-size:clamp(50px,7vw,78px);line-height:.91;letter-spacing:-.077em}.intro>p:not(.eyebrow){max-width:700px;margin:21px 0 17px;color:var(--muted);font-size:16px;line-height:1.55}.introChips{display:flex;flex-wrap:wrap;gap:7px}.introChips span{padding:7px 9px;border:1px solid #cfe4e6;border-radius:999px;background:#f3fcfc;color:#087f8b;font-size:10px;font-weight:850}
.workspace{display:grid;grid-template-columns:370px minmax(0,1fr);gap:16px;align-items:start}.card{border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:0 19px 55px rgba(16,24,40,.07)}.setupCard{position:sticky;top:88px;padding:20px}.resultCard{min-height:680px;padding:25px}
.cardHead{display:flex;gap:11px;align-items:center;margin-bottom:18px}.glyph{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:var(--navy);color:#a9ef87;font-size:18px;font-weight:950}.cardHead h2{margin:0;font-size:21px;letter-spacing:-.05em}.cardHead p{margin:3px 0 0;color:var(--muted);font-size:10px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field.wide{grid-column:1/-1}.field label{display:block;margin-bottom:5px;color:#344054;font-size:10px;font-weight:850}.field input,.field select{width:100%;height:43px;padding:0 11px;border:1px solid #d7dde7;border-radius:11px;background:#fff;color:var(--ink);font:750 12px inherit;outline:0}.field input:focus,.field select:focus{border-color:var(--aqua);box-shadow:0 0 0 3px rgba(21,184,200,.12)}.unitInput{position:relative}.unitInput input{padding-right:48px}.unitInput span{position:absolute;right:10px;top:14px;color:var(--muted);font-size:9px;font-weight:800}
.details{margin-top:14px;border:1px solid var(--line);border-radius:13px}.details summary{padding:11px 12px;cursor:pointer;color:#087f8b;font-size:10px;font-weight:850}.detailFields{padding:3px 12px 12px}.details>p{margin:0;padding:0 12px 12px;color:var(--muted);font-size:8px;line-height:1.4}.calculate{width:100%;margin-top:14px;padding:12px;border:0;border-radius:12px;background:var(--navy);color:#fff;font:850 11px inherit;cursor:pointer;box-shadow:0 11px 25px rgba(17,29,49,.15)}.formError{margin:10px 0 0;padding:9px 10px;border:1px solid #f0c480;border-radius:10px;background:#fff7ea;color:#814b0b;font-size:9px;line-height:1.4}
.planningModeFirst{margin-bottom:14px;padding:13px;border:1px solid #bfe5e8;border-radius:14px;background:#f1fbfc}.planningModeFirst label{display:block;margin-bottom:6px;color:#087f8b;font-size:12px;font-weight:900}.planningModeFirst select{width:100%;min-height:44px;padding:0 11px;border:1px solid #bcdde1;border-radius:11px;background:#fff;color:var(--ink);font:800 12px inherit}.raceContextCard{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;padding:11px 12px;border:1px solid var(--line);border-radius:13px;background:#f8fafc}.raceContextCard span{display:block;color:var(--muted);font-size:10px}.raceContextCard b{display:block;margin-top:2px;font-size:12px}.raceContextCard button{min-height:44px;padding:8px 11px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#087f8b;font:850 11px inherit;cursor:pointer}.contextDetails{margin-bottom:12px}.details summary small{display:block;margin-top:3px;color:var(--muted);font-size:10px;font-weight:700}html[data-theme="dark"] .planningModeFirst,html[data-theme="dark"] .raceContextCard{border-color:var(--line);background:#102832}html[data-theme="dark"] .planningModeFirst select,html[data-theme="dark"] .raceContextCard button{border-color:var(--line);background:#0a1423;color:var(--ink)}
.empty{display:grid;place-items:center;min-height:625px;text-align:center}.empty i{display:grid;place-items:center;width:56px;height:56px;margin-bottom:13px;border-radius:18px;background:#effbfc;color:#078898;font-size:22px;font-style:normal}.empty b{font-size:20px}.empty span{max-width:340px;margin-top:7px;color:var(--muted);font-size:11px;line-height:1.5}
.resultHead{display:flex;justify-content:space-between;gap:16px;align-items:start;padding-bottom:17px;border-bottom:1px solid var(--line)}.resultHead h2{margin:0;font-size:26px;letter-spacing:-.05em}.printButton{padding:10px 13px;border:0;border-radius:11px;background:var(--navy);color:#fff;font:850 10px inherit;cursor:pointer}.finishHero{display:grid;grid-template-columns:1.3fr .7fr;margin-top:15px;border-radius:18px;background:linear-gradient(125deg,#111d31,#294369);color:#fff;overflow:hidden}.finishHero div{padding:19px}.finishHero div+div{border-left:1px solid rgba(255,255,255,.14)}.finishHero span{display:block;color:#aebfd4;font-size:8px;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.finishHero b{display:block;margin-top:5px;font-size:38px;letter-spacing:-.07em}.finishHero div+div b{font-size:27px}.modeNotice,.cutoffNotice{margin-top:12px;padding:11px 12px;border:1px solid #c9e7ea;border-radius:12px;background:#f1fbfc;color:#3d6168;font-size:10px;line-height:1.45}.modeNotice b,.cutoffNotice b{color:#087f8b}
.splitGrid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:14px;border:1px solid var(--line);border-radius:15px;overflow:hidden}.splitCard{padding:11px;border-right:1px solid var(--line)}.splitCard:last-child{border:0}.splitCard span{display:block;color:var(--muted);font-size:8px;font-weight:850;text-transform:uppercase}.splitCard b{display:block;margin-top:5px;font-size:16px}.splitCard small{display:block;margin-top:3px;color:#087f8b;font-size:8px;font-weight:750}
.timelineBlock,.checkpointBlock{margin-top:23px}.sectionHead{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:10px}.sectionHead h3{margin:0;font-size:17px;letter-spacing:-.04em}.sectionHead p{margin:3px 0 0;color:var(--muted);font-size:9px}.raceRail{display:flex;min-height:70px;border:1px solid var(--line);border-radius:14px;overflow:hidden}.railSegment{display:flex;min-width:42px;flex-direction:column;justify-content:end;padding:9px;color:#16313b;overflow:hidden}.railSegment span{font-size:8px;font-weight:900;text-transform:uppercase}.railSegment b{font-size:10px}.railSegment.swim{background:#b8eef2}.railSegment.t1,.railSegment.t2{background:#f8d9a5}.railSegment.bike{background:#cbedcb}.railSegment.run{background:#d9d2ff}
.tableWrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;font-size:9px}th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left}th{background:#f7f9fc;color:var(--muted);font-size:8px;text-transform:uppercase}tr:last-child td{border:0}td:first-child{font-weight:800}.checkpointDiscipline{display:inline-grid;place-items:center;width:19px;height:19px;margin-right:6px;border-radius:6px;background:#edfafd;color:#087f8b;font-size:7px;font-weight:900}
.handoff{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:18px;padding:14px;border-radius:15px;background:#111d31;color:#fff}.handoff b{display:block;font-size:11px}.handoff span{display:block;margin-top:2px;color:#b8c6d8;font-size:8px}.handoffActions{display:flex;gap:6px}.handoff a{padding:9px 10px;border-radius:9px;background:#fff;color:#111d31;font-size:9px;font-weight:850;text-decoration:none;white-space:nowrap}.disclaimer{margin:10px 0 0;color:var(--muted);font-size:8px;line-height:1.4}
.sources{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:end;margin-top:68px;padding:35px;border-radius:25px;background:#111d31;color:#fff}.sources h2{margin:0;font-size:35px;letter-spacing:-.06em}.sources p:not(.eyebrow){max-width:540px;margin:8px 0 0;color:#c3cedd;font-size:11px;line-height:1.5}.sources .eyebrow{color:#8de2ea}.sources>div:last-child{display:grid;gap:7px}.sources a{padding:11px 12px;border:1px solid rgba(255,255,255,.17);border-radius:11px;color:#e7effa;font-size:10px;font-weight:780;text-decoration:none}.sources a::after{content:"↗";float:right;color:#9ee58c}
footer{display:flex;justify-content:space-between;gap:20px;max-width:1180px;margin:auto;padding:25px 24px 42px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}footer nav{display:flex;gap:15px}footer a{color:inherit;text-decoration:none}
html[data-theme="dark"]{--ink:#f5f7fb;--muted:#a8b4c6;--line:rgba(192,211,236,.16);--surface:#101a2b;--canvas:#07101d;--navy:#eaf3ff}html[data-theme="dark"] body{background:radial-gradient(ellipse 65% 45% at 100% 0,rgba(51,183,198,.15),transparent 66%),var(--canvas)}html[data-theme="dark"] .topbar{background:rgba(7,16,29,.86)}html[data-theme="dark"] .roundButton,html[data-theme="dark"] .field input,html[data-theme="dark"] .field select{background:#0a1423;color:var(--ink)}html[data-theme="dark"] .field label{color:#dce6f4}html[data-theme="dark"] .glyph,html[data-theme="dark"] .calculate,html[data-theme="dark"] .printButton{background:#eaf3ff;color:#111d31}html[data-theme="dark"] .modeNotice,html[data-theme="dark"] .cutoffNotice{border-color:rgba(82,215,223,.25);background:#102832;color:#c4e0e4}html[data-theme="dark"] th{background:#0b1524}html[data-theme="dark"] .sources{border:1px solid var(--line);background:#101a2b}
@media(max-width:940px){.workspace{grid-template-columns:1fr}.setupCard{position:relative;top:auto}.sources{grid-template-columns:1fr}.splitGrid{grid-template-columns:repeat(3,1fr)}.splitCard:nth-child(3){border-right:0}.splitCard:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:600px){.topbar{height:64px;padding:0 15px}.topbar nav>a{display:none}.roundButton.theme b{display:none}main{padding:42px 15px 52px}.intro h1{font-size:clamp(42px,13vw,57px)}.fields{grid-template-columns:1fr}.field.wide{grid-column:auto}.setupCard,.resultCard{padding:17px;border-radius:20px}.finishHero{grid-template-columns:1fr}.finishHero div+div{border-top:1px solid rgba(255,255,255,.14);border-left:0}.splitGrid{grid-template-columns:1fr 1fr}.splitCard,.splitCard:nth-child(3){border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.splitCard:nth-child(2n){border-right:0}.splitCard:last-child{border-bottom:0}.raceRail{overflow-x:auto}.handoff{display:block}.handoffActions{display:grid;margin-top:10px}.sources{margin-top:52px;padding:25px 19px;border-radius:21px}footer{display:grid;padding:22px 15px 34px}footer nav{flex-wrap:wrap}}
@media print{@page{size:A4 portrait;margin:10mm}body{background:#fff;color:#111}.noPrint,footer,.sources{display:none!important}main{max-width:none;padding:0}.workspace{display:block}.resultCard{min-height:0;padding:0;border:0;box-shadow:none}.resultHead{padding-bottom:5mm}.finishHero{print-color-adjust:exact;-webkit-print-color-adjust:exact}.splitGrid{break-inside:avoid}.timelineBlock,.checkpointBlock{break-inside:avoid}.tableWrap{overflow:visible}.disclaimer{margin-top:4mm;color:#333}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}}