/* assets/tools/reading-time.css — Reading Time Calculator additions. Loads after reading-plan.css,
   which carries the shared Storey shell and the reading-* layout this page reuses. */
.rt-unit,.rt-speed,.rt-daily{border:0;padding:0;margin:0 0 22px;min-width:0}
.rt-speed,.rt-daily{margin-top:24px}
.rt-unit legend,.rt-speed legend,.rt-daily legend{font-size:13px;color:var(--mist);display:block;margin-bottom:8px;font-weight:400;padding:0}
.rt-speed legend span{color:var(--dim)}
.rt-chips{display:grid;gap:6px}
.rt-chips-2{grid-template-columns:1fr 1fr}
.rt-chips-4{grid-template-columns:repeat(4,1fr)}
.rt-chips label{position:relative;cursor:pointer;min-width:0}
.rt-chips input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.rt-chips span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:44px;padding:6px 4px;border:1px solid var(--field-border);border-radius:8px;color:var(--dim);font-size:11.5px;line-height:1.25;text-align:center}
.rt-chips span strong{font-size:15px;color:var(--ink);font-weight:700}
.rt-chips-2 span{font-size:13px;color:var(--mist)}
.rt-chips input:checked+span{background:#183229;color:#a3edcc;border-color:#5ce1a64d}
.rt-chips input:checked+span strong{color:#a3edcc}
.rt-chips input:focus-visible+span{outline:2px solid var(--acc);outline-offset:3px}
.rt-own{margin-top:10px}
.rt-length-grid{margin-top:0}
.rt-timer{margin:18px 0 0}
.rt-timer-body{padding:2px 0 16px}
.rt-timer-body .reading-help:first-child{margin-top:0}
.rt-timer-row{display:flex;align-items:center;gap:8px;margin-top:12px}
.rt-timer-button{min-height:44px;padding:10px 18px;border:1px solid #5ce1a666;border-radius:9px;background:#183229;color:#a3edcc;font-size:13px}
.rt-timer-button:disabled{border-color:var(--field-border);background:transparent;color:var(--dim)}
.rt-timer-clock{margin-left:auto;font-family:var(--mono);font-size:20px;color:var(--bright);font-variant-numeric:tabular-nums}
#rt-calculate{width:100%;min-height:48px;font-size:14px;padding:14px 10px;box-shadow:none;border-radius:10px;white-space:normal;line-height:1.35;margin-top:24px}
#rt-detail{color:var(--mist);font-size:14px;line-height:1.7;margin:0}
#rt-note{margin-top:17px}
.rt-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.rt-compare h3{font-size:14px;font-weight:400;margin:0 0 10px}
.rt-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left;font-variant-numeric:tabular-nums}
.rt-table th,.rt-table td{padding:11px 12px;border-bottom:1px solid var(--card-border);line-height:1.5}
.rt-table thead th{font-size:10px;font-weight:400;color:var(--dim);background:#11161c}
.rt-table tbody th{font-weight:400;white-space:nowrap;color:var(--mist)}
.rt-table tbody tr:last-child>*{border-bottom:0}
.rt-table tr.is-current{background:#5ce1a60f}
.rt-table tr.is-current>*{color:#a3edcc}
.rt-next{font-size:13px;line-height:1.7;color:var(--muted);margin:22px 0 0;padding-top:18px;border-top:1px solid var(--card-border)}
.rt-next a,.rt-guide a{text-decoration:underline;text-underline-offset:3px}
.rt-example-number{font-size:40px}
.rt-reference{border-top:1px solid var(--card-border);padding:52px 0 56px}
.rt-reference h2,.rt-guide h2{font-family:var(--display);font-size:30px;letter-spacing:-.035em;line-height:1.15;font-weight:800;margin:0 0 20px}
.rt-reference-table{max-width:860px}
.rt-reference-table td,.rt-reference-table tbody th{font-size:13px}
.rt-reference .reading-help{max-width:860px;margin-top:14px}
.rt-guide{display:grid;grid-template-columns:1fr 1fr;gap:70px;border-top:1px solid var(--card-border);padding:52px 0 56px}
.rt-guide h2{font-size:27px}
.rt-guide p{font-size:14px;line-height:1.8;color:var(--muted)}
.rt-guide sup{font-size:10px;line-height:0}
.rt-sources{max-width:780px;margin:0 auto;padding:0 0 50px}
.rt-sources h2{font-size:15px;font-weight:400;margin:0 0 12px;color:var(--mist)}
.rt-sources ol{margin:0;padding-left:18px}
.rt-sources li{font-size:12px;line-height:1.7;color:var(--dim);margin-bottom:8px;overflow-wrap:anywhere}
@media(max-width:1050px){.rt-guide{gap:38px}}
@media(max-width:860px){.rt-guide{grid-template-columns:1fr;gap:28px}}
@media(max-width:600px){.rt-compare{grid-template-columns:1fr}}
@media(max-width:400px){.rt-chips-4{gap:5px}.rt-chips span{font-size:10.5px}.rt-chips span strong{font-size:14px}.rt-example-number{font-size:34px}.rt-table th,.rt-table td{padding:10px 8px}}