:root{font:16px Arial,Helvetica,sans-serif;color:#F4F7F9;background:#18162F;color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 100% 0,#282941,transparent 42%),#18162F}header{border-bottom:1px solid #5E7A86;padding:16px max(18px,calc((100vw - 1100px)/2));display:flex;justify-content:space-between;align-items:center;gap:15px}a{color:#F4F7F9}main{max-width:1100px;margin:auto;padding:30px 18px 70px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:800;color:#D5DEE3}h1{font-size:clamp(32px,5vw,48px);letter-spacing:-.04em;margin:10px 0}h2{font-size:23px;margin:0 0 16px}p{line-height:1.5;color:#D5DEE3}.intro{margin:0 0 20px}.tabs,.chips{display:flex;gap:8px;flex-wrap:wrap}.tabs{margin-bottom:18px}.tabs button{min-width:120px}.chips button,.tabs button{min-height:44px;padding:10px 13px;border:1px solid #708393;border-radius:9px;background:#25243C;color:#F4F7F9;font:700 15px Arial;cursor:pointer}.chips button[aria-pressed=true],.tabs button[aria-selected=true]{border-color:#E6007E;box-shadow:inset 0 -3px #E6007E;background:#39304C}.layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:18px;align-items:start}.panel{min-width:0;background:#25243C;border:1px solid #53687A;border-radius:18px;padding:24px}.result{border-top:3px solid #E6007E}.panel>h2:first-child{border-left:3px solid #E6007E;padding-left:12px}fieldset{border:0;padding:0;margin:0 0 22px}legend,label{display:block;font-weight:700;margin-bottom:8px}label small{font-weight:400;color:#B9CAD3}input{display:block;width:100%;min-width:0;min-height:46px;padding:9px 10px;background:#201F38;color:#F4F7F9;border:1px solid #708393;border-radius:9px;font:inherit}#distance-field,#time-field,#speed-field{margin:18px 0}.quick{margin:8px 0 12px}.quick button{font-size:14px}.time-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.time-grid label{font-size:13px;color:#D5DEE3}.time-grid input{margin-top:6px;font-size:17px}.compare-grid{display:grid;gap:10px}details{margin-top:20px;border-top:1px solid #53687A;padding-top:17px}summary{cursor:pointer;font-weight:700;min-height:36px}#general-result,#track-primary{display:grid;gap:5px}#general-primary,#track-primary{font-size:clamp(30px,4vw,42px);letter-spacing:-.04em}#general-secondary{color:#D5DEE3}.hint{font-size:14px;color:#B9CAD3}.lap-panel,.save-panel{margin-top:18px}.lap-panel table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.lap-panel th,.lap-panel td{text-align:right;border-bottom:1px solid #53687A;padding:10px 7px;font-size:15px}.lap-panel th:first-child,.lap-panel td:first-child{text-align:left}.lap-panel tr:last-child{font-weight:700;color:#fff}#pacing-options{margin:16px 0}#save-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}#save-controls label{grid-column:1/-1;margin:0}#save-controls button{border:0;border-radius:9px;padding:10px 15px;min-height:46px;font-weight:700}#saved-list button{display:block;text-align:left;width:100%;margin:8px 0;padding:13px;--tgl-action-secondary-bg:#201F38;border:1px solid #708393;border-radius:9px}#saved-list small{display:block;color:#B9CAD3;margin-top:4px}footer{max-width:1100px;margin:auto;padding:0 18px 30px;font-size:14px;color:#B9CAD3}[hidden]{display:none!important}@media(max-width:760px){.layout{grid-template-columns:1fr}.panel{padding:18px}.tabs button{flex:1}.time-grid{gap:7px}}@media(max-width:360px){.time-grid input{padding:8px 5px}.lap-panel th,.lap-panel td{padding:8px 3px;font-size:14px}}

.saved-row{display:flex;gap:8px;align-items:center}.saved-row button:first-child{flex:1;min-width:0}.saved-row button:last-child{width:auto;flex:none;border:1px solid #708393;padding:10px;border-radius:9px;min-height:44px}@media(max-width:420px){.saved-row{flex-wrap:wrap}.saved-row button:first-child{flex-basis:100%}.saved-row button:last-child{margin:-5px 0 12px auto}}

/* General mode refinement; Track retains its existing layout. */
#general fieldset{margin-bottom:var(--tgl-space-6)}
#general #calculation-choice{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
#general #unit-choice,#general #quick-distances{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--tgl-space-2)}
#general .chips button{min-width:0;white-space:normal;line-height:1.3;padding:10px 8px}
#general #distance-field,#general #speed-field,#general #time-field{margin:0 0 var(--tgl-space-6)}
#general .panel>div:last-child{margin-bottom:0}
#general .quick{margin:var(--tgl-space-2) 0}
#general .time-grid{gap:var(--tgl-space-2)}
#general .time-grid label{margin-bottom:0;font-size:14px}
#general .time-grid input{margin-top:var(--tgl-space-2);font-size:16px}
#general-result-heading{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:#D5DEE3;border:0!important;padding:0!important;margin-bottom:var(--tgl-space-2)}
#general-primary{font-size:clamp(36px,5vw,48px);line-height:1.15;font-variant-numeric:tabular-nums}
#general-secondary,#general-message,#compare p{font-size:14px;line-height:1.5}
#general-message{margin:var(--tgl-space-2) 0 0}
#general-message.error{color:#FFD6AD}
#compare{margin-top:var(--tgl-space-4);padding-top:var(--tgl-space-2)}
#compare summary{min-height:44px;display:flex;align-items:center;gap:12px;list-style:none;line-height:1.4}
#compare summary::-webkit-details-marker{display:none}
#compare summary::after{content:"";width:8px;height:8px;flex:0 0 8px;margin-left:auto;margin-right:3px;border-right:1.5px solid #B9CAD3;border-bottom:1.5px solid #B9CAD3;transform:rotate(45deg)}
#compare[open]>summary::after{transform:rotate(225deg)}
#compare p{margin:var(--tgl-space-2) 0 var(--tgl-space-3)}
body[data-calculator-mode="general"] #save-controls{grid-template-columns:minmax(0,1fr) auto;gap:var(--tgl-space-2);max-width:640px}
body[data-calculator-mode="general"] #save-status:empty{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:600px){#general .panel{padding:16px}body[data-calculator-mode="general"] #save-controls{grid-template-columns:1fr}body[data-calculator-mode="general"] #save-controls button{width:100%}}
@media(max-width:280px){#general .time-grid{grid-template-columns:1fr}#general #unit-choice,#general #quick-distances{grid-template-columns:1fr}}

#general #quick-distances button[data-value="custom"]:last-child:nth-child(odd){grid-column:1/-1}

/* Track inputs only: Part 1. */
#track #track-distances,#track #pacing-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
#track #pacing-options{margin:0}
#track .track-length-row{display:flex;align-items:center;gap:var(--tgl-space-2)}
#track .track-length-row button{min-height:44px;padding:8px 12px;border:0;font:inherit}
#track #lap-custom-field{margin-top:8px}
#track #lap-length{max-width:220px}
#track .time-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
#track #first-lap-hint{margin:8px 0 0}

/* Track presentation: scoped to preserve the approved General calculator. */
#track>p{margin:0 0 20px}
#track .layout>.panel:first-child fieldset{margin-bottom:var(--tgl-space-6)}
#track .track-length-check{color:#B9CAD3;font-size:14px}
#track .track-length-row button{margin-left:var(--tgl-space-1)}
#track .chips button{min-width:0;line-height:1.3;padding:10px 8px}
#track .time-grid label{font-size:14px;margin:0}
#track .time-grid input{font-size:16px;margin-top:8px}
#track .hint{line-height:1.5}
#track #track-custom-field{margin-top:12px}
#track #pacing-explanation{margin:8px 0 0}
#track-result-heading{font-size:14px;text-transform:uppercase;letter-spacing:.08em;border:0!important;padding:0!important;margin:0 0 8px}
#track #track-primary{font-size:clamp(36px,5vw,48px);line-height:1.15;font-variant-numeric:tabular-nums}
#track-speed{margin:8px 0;font-size:18px}
#track-facts,#track-average,#track-message{margin:8px 0 0}
#remaining{border-top:1px solid #53687A;margin-top:20px;padding-top:16px}
#remaining h3{font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px}
#remaining .pace-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0}
#remaining dt{font-size:14px;color:#B9CAD3;margin-bottom:6px}
#remaining dd{margin:0;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
#remaining p{margin:12px 0 0}
#track .lap-panel{max-width:760px}
#track .lap-panel h2{margin-bottom:8px}
#track .lap-panel>p{margin:8px 0 16px}
#track table{table-layout:fixed}
#track tbody th{font-weight:400}
#track tbody tr:last-child th{font-weight:700}
#track table small{display:block;font-size:12px;color:#B9CAD3;margin-top:4px}
#track-method{margin-top:16px;padding-top:8px}
#track-method p{margin:8px 0 0}
body[data-calculator-mode="track"] #save-controls{max-width:640px;gap:8px}
body[data-calculator-mode="track"] #save-status:empty{display:none}
@media(max-width:600px){#track .panel{padding:16px}body[data-calculator-mode="track"] #save-controls{grid-template-columns:1fr}}
@media(max-width:300px){#track .time-grid,#track #pacing-options,#remaining .pace-metrics{grid-template-columns:1fr}#track .lap-panel th,#track .lap-panel td{font-size:12px;padding:8px 2px}}
#track .chips button,#track .chips button[aria-pressed="true"]{color:#F4F7F9!important}

/* Time entry refinements, scoped to this calculator. */
.tabs button[aria-selected="true"]{color:#FFF!important}
#general-time-example,#track-time-example{margin:8px 0 0;font-size:14px;line-height:1.5}
#saved-list .saved-row{display:flex;flex-wrap:nowrap;gap:8px;align-items:center}
#saved-list .saved-row button:first-child{flex:1;flex-basis:auto;min-width:0;overflow-wrap:anywhere}
#saved-list .saved-row button:last-child{width:auto;flex:none;margin:0;min-height:44px;padding:8px;border:0;font-size:14px}