.rt-board *,.rt-board ::after,.rt-board ::before{box-sizing:border-box}
.rt-board,.rt-title{color:var(--rt-text);overflow:hidden}
.rt-board{--rt-bg:#000;--rt-text:#b0b8c8;--rt-accent:#ffd740;--rt-border:#333;--rt-racer:#64b5f6;--rt-current:#fff;background:var(--rt-bg);border:1px solid var(--rt-border);border-radius:8px;padding:1.25rem 1.5rem 1.5rem;container-type:inline-size}
.rt-title{text-align:center;font-weight:700;letter-spacing:.04em;font-size:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--rt-border);margin-bottom:1rem;white-space:nowrap;text-overflow:ellipsis}
.rt-timer-wrap{text-align:center;padding:.5rem 0 1rem}
.rt-timer{font-size:clamp(2rem,15cqi,7rem);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.03em;line-height:1;color:var(--rt-current)}
.rt-timer-status{margin-top:.4rem;font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--rt-text);opacity:.8}
.rt-timer-status--running{color:var(--rt-accent);opacity:1}
.rt-timer-status--stopped{color:var(--rt-text);opacity:1}
.rt-racers{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-direction:column;gap:.4rem}
.rt-racer{display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;gap:.6rem .8rem;padding:.6rem .9rem;border:1px solid var(--rt-border);border-radius:6px;background:rgba(255,255,255,.02);font-size:1rem}
.rt-racer--finished{background:rgba(255,255,255,.05)}
.rt-racer--clickable{cursor:pointer;user-select:none;transition:background .15s,transform 50ms}
.rt-racer--clickable:hover{background:rgba(255,255,255,.09)}
.rt-racer--clickable:active{transform:scale(.995)}
.rt-rank{font-weight:700;font-variant-numeric:tabular-nums;color:var(--rt-accent);min-width:2ch}
.rt-racer-name{font-weight:700;color:var(--rt-racer);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.rt-racer-time,input.rt-racer-time-input{font-weight:800;font-variant-numeric:tabular-nums;color:var(--rt-current);font-size:1.1em}
input.rt-racer-time-input{font:inherit;background:0 0;border:1px solid transparent;border-radius:4px;padding:.05em .3em;width:7.5em;max-width:100%;text-align:right;letter-spacing:inherit}
input.rt-racer-time-input:hover{border-color:rgba(255,255,255,.18)}
input.rt-racer-time-input:focus{outline:0;border-color:var(--rt-accent);background:rgba(0,0,0,.3)}
.rt-racer-time--pending{color:var(--rt-text);opacity:.5;font-weight:400;font-size:.8em;font-style:italic}
.rt-racer-label{display:inline-block;min-width:1.6em;padding:.1em .4em;text-align:center;font-weight:700;font-variant-numeric:tabular-nums;color:var(--rt-current);background:rgba(0,0,0,.35);border:2px solid var(--rt-racer);border-radius:4px;font-size:.8em;line-height:1.2}
.rt-racer-label--plain{border-color:var(--rt-border);background:rgba(255,255,255,.06)}
.rt-board.rt-no-rank.rt-no-label .rt-racer{grid-template-columns:1fr auto}
.rt-board.rt-no-label:not(.rt-no-rank) .rt-racer,.rt-board.rt-no-rank:not(.rt-no-label) .rt-racer{grid-template-columns:auto 1fr auto}
.rt-racer-laps{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.3rem;padding-top:.2rem;font-size:.8em}
.rt-racer-lap,input.rt-racer-lap-input{font-variant-numeric:tabular-nums;color:var(--rt-text);background:rgba(255,255,255,.05);padding:.1rem .4rem;border-radius:3px}
input.rt-racer-lap-input{font:inherit;font-size:inherit;border:1px solid transparent;width:6.5em;max-width:100%;text-align:center}
input.rt-racer-lap-input:hover{border-color:rgba(255,255,255,.18)}
input.rt-racer-lap-input:focus{outline:0;border-color:var(--rt-accent);background:rgba(0,0,0,.3);color:var(--rt-current)}
.rt-empty{text-align:center;color:var(--rt-text);opacity:.7;font-style:italic;padding:1.5rem .5rem}
.number-font-roboto-mono .rt-racer-lap,.number-font-roboto-mono .rt-racer-time,.number-font-roboto-mono .rt-rank,.number-font-roboto-mono .rt-timer{font-family:"Roboto Mono",monospace}
.number-font-major-mono .rt-racer-lap,.number-font-major-mono .rt-racer-time,.number-font-major-mono .rt-rank,.number-font-major-mono .rt-timer{font-family:"Major Mono Display",monospace}
.number-font-share-tech .rt-racer-lap,.number-font-share-tech .rt-racer-time,.number-font-share-tech .rt-rank,.number-font-share-tech .rt-timer{font-family:"Share Tech Mono",monospace}
.number-font-mono .rt-racer-lap,.number-font-mono .rt-racer-time,.number-font-mono .rt-rank,.number-font-mono .rt-timer{font-family:"JetBrains Mono",monospace}
.number-font-azeret-mono .rt-racer-lap,.number-font-azeret-mono .rt-racer-time,.number-font-azeret-mono .rt-rank,.number-font-azeret-mono .rt-timer{font-family:"Azeret Mono",monospace}
.number-font-segment .rt-racer-lap,.number-font-segment .rt-racer-time,.number-font-segment .rt-rank,.number-font-segment .rt-timer{font-family:"DSEG7 Classic",monospace}

[class*="number-font-"] .rt-racer-time--pending{font-family:inherit}
.race-admin{display:grid;grid-template-columns:340px 1fr;grid-template-areas:"controls board";gap:1.25rem;max-width:1100px;margin:0 auto;padding:1rem;align-items:start}
.race-admin__board{position:sticky;top:1rem;min-width:0;grid-area:board}
.race-admin .rt-timer-wrap{cursor:pointer;user-select:none;transition:filter .12s,transform .08s}
.race-admin .rt-timer-wrap:hover .rt-timer{filter:brightness(1.25);text-shadow:0 0 12px var(--rt-accent)}
.race-admin .rt-timer-wrap:active{transform:scale(.99)}
.race-admin__controls{display:flex;flex-direction:column;gap:.75rem;min-width:0;grid-area:controls}
.ctrl-section{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:.75rem}
.ctrl-section__title{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 .5rem}
.ctrl-row{display:flex;gap:.4rem;align-items:center;flex-wrap:wrap}
.ctrl-row+.ctrl-row{margin-top:.4rem}
.ctrl-input{background:var(--input-bg);border:1px solid var(--border);border-radius:4px;color:var(--text);font-size:.75rem;padding:.25rem .4rem;font-family:monospace;min-width:0;flex:1}
.ctrl-input[readonly]{opacity:.8}
.btn-timer{display:block;width:100%;padding:.8rem 1rem;font-size:1rem;font-weight:700;border:2px solid;border-radius:8px;cursor:pointer;margin-bottom:.5rem;background:0 0;font-family:inherit;transition:background .15s,color .15s}
.btn-timer--start{border-color:#4caf50;color:#4caf50}
.btn-timer--start:hover:not(:disabled){background:#4caf50;color:#000}
.btn-timer--stop{border-color:#ff9800;color:#ff9800}
.btn-timer--stop:hover:not(:disabled){background:#ff9800;color:#000}
.btn-timer--reset{border-color:#ef5350;color:#ef5350}
.btn-timer--reset:hover:not(:disabled){background:#ef5350;color:#fff}
.btn-timer:disabled{opacity:.4;cursor:default}
.racer-list{display:flex;flex-direction:column;gap:.4rem}
.racer-item{display:grid;grid-template-columns:2.5rem 1fr 2rem 2rem;gap:.4rem;align-items:center}
.racer-item input[type=text]{background:var(--input-bg);border:1px solid var(--border);border-radius:4px;color:var(--text);padding:.35rem .5rem;font:inherit;font-size:.85rem;min-width:0}
.racer-item .racer-label{text-align:center;padding:.35rem .25rem;font-weight:700}
.racer-item input[type=color]{width:2rem;background:0 0;cursor:pointer;padding:0}
.btn-add-racer,.racer-item__remove{background:0 0;color:var(--muted);cursor:pointer}
.racer-item input[type=color],.racer-item__remove{border:1px solid var(--border);border-radius:4px;height:2rem}
.racer-item__remove{font-size:1rem;line-height:1}
.racer-item__remove:hover{color:#ef5350;border-color:#ef5350}
.btn-add-racer{width:100%;border:1px dashed var(--border);border-radius:6px;padding:.4rem;font-size:.8rem;font-family:inherit;margin-top:.4rem}
.btn-add-racer:hover{color:var(--text);border-color:var(--text)}
.confirm-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:200}
.confirm-overlay.show{display:flex}
.confirm-box{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:1.25rem 1.5rem;max-width:360px;text-align:center}
.confirm-box__msg{margin:0 0 1rem;font-size:.9rem}
.confirm-box__btns{display:flex;gap:.5rem;justify-content:center}
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(100%);background:var(--panel,#16213e);color:var(--text,#eee);border:1px solid var(--border,#0f3460);padding:.4rem 1rem;border-radius:6px;font-size:.8rem;font-weight:600;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s;z-index:300}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.demo-styles{margin-top:.5rem;display:flex;flex-wrap:wrap;gap:.35rem}
.toggle-list{display:grid;grid-template-columns:1fr 1fr;gap:.3rem .6rem}
.toggle-item{display:flex;align-items:center;gap:.4rem;font-size:.8rem;color:var(--text);cursor:pointer;user-select:none}
.toggle-item input[type=checkbox]{cursor:pointer;accent-color:#3773c1}
.race-home{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:1.5rem;max-width:1000px;margin:0 auto;padding:1.5rem 1rem;align-items:start}
.race-home__form{display:flex;flex-direction:column;gap:.75rem;min-width:0}
.race-home__preview{position:sticky;top:3rem;min-width:0}
.race-live-body{margin:0;padding:0;min-height:100vh;background:#000;color:#fff;display:flex;align-items:center;justify-content:center;font-family:Arial,sans-serif}
.race-live{width:min(95vw,900px);margin:0 auto;padding:1rem}
.race-live .rt-board{border-radius:12px;padding:2rem}
.race-live-overlay[hidden]{display:none}
.race-live-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#000;color:#fff;font-size:1.2rem;text-align:center;z-index:10}
.fullscreen-btn{position:fixed;top:1rem;right:1rem;background:rgba(0,0,0,.6);color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:.4rem .8rem;font-size:.75rem;cursor:pointer;font-family:inherit;z-index:20}
.fullscreen-btn:hover{background:rgba(0,0,0,.8)}
.auth-error{max-width:420px;margin:3rem auto;text-align:center;padding:1.5rem;background:var(--panel);border:1px solid var(--border);border-radius:8px}
@media (max-width:720px){.race-admin,.race-home{grid-template-columns:1fr}
.race-admin{grid-template-areas:"board""controls"}
.race-admin__board,.race-home__preview{position:static}
}