:root{color-scheme:dark;--ink:#eae7ce;--muted:#a1b4ab;--gold:#e4ba6b;--bg:#102728;--line:#35504c}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 20% 0,#22403a,transparent 70%),var(--bg);color:var(--ink);font-family:Georgia,serif}main{max-width:1180px;margin:auto;padding:32px 42px 20px}header{display:flex;align-items:center;gap:18px;padding-bottom:25px;border-bottom:1px solid var(--line)}.brand{border:1px solid var(--gold);color:var(--gold);border-radius:50%;width:58px;height:58px;display:grid;place-content:center;text-decoration:none;font-size:22px;position:relative;letter-spacing:-5px;padding-right:5px}.brand span{font-size:12px;position:absolute;top:5px;left:23px}.eyebrow{font-family:system-ui,sans-serif;font-size:10px;letter-spacing:2px;font-weight:700;color:var(--gold);margin:0 0 8px}h1{font-size:26px;margin:0;font-weight:normal}h1 i{font-size:15px;color:var(--muted);margin-left:10px}header button{margin-left:auto}button,select,input{font-family:system-ui,sans-serif}button,select{border:1px solid var(--line);background:#1c3937;color:var(--ink);border-radius:6px;font-size:12px;padding:11px 14px}button{cursor:pointer;transition:background .2s,transform .2s}button:hover:enabled{background:#355951;transform:translateY(-1px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.quiet{background:transparent}.intro{display:flex;justify-content:space-between;align-items:center;padding:22px 0}.intro>p{font-size:32px;line-height:1.15;margin:0}.intro em{color:var(--gold);font-weight:normal}.intro-note{font-family:system-ui,sans-serif;font-size:12px;color:var(--muted);line-height:1.7;border-left:1px solid var(--line);padding-left:24px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:22px}.arena-panel,aside{background:#132d2c;border:1px solid var(--line);border-radius:12px;overflow:hidden}.arena-panel{padding:22px}.match-head{display:flex;align-items:center;justify-content:space-between;gap:10px}h2{font-weight:normal;font-size:24px;margin:0}.rival-note{font-family:system-ui,sans-serif;color:var(--muted);font-size:12px;line-height:1.6;margin:9px 0 15px;min-height:20px}.meters{display:flex;gap:36px;margin-bottom:12px}.meters>div{width:50%}.meters span{display:block;font:11px system-ui;color:#91d9c8;margin-bottom:6px}.meters b{float:right;font-weight:normal}.meters .enemy-meter span{color:#efa58d}meter{width:100%;height:5px;display:block;appearance:none;background:#35504c;border:0}meter::-webkit-meter-bar{background:#35504c;border:0}meter::-webkit-meter-optimum-value{background:#73c2b1}.enemy-meter meter::-webkit-meter-optimum-value{background:#df937c}.court{position:relative;background:#102525;border:1px solid #486155;border-radius:7px;overflow:hidden;aspect-ratio:1.5}canvas{display:block;width:100%;height:100%}#curtain{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#0b2529b8;padding:30px;pointer-events:none;backdrop-filter:blur(1px)}#curtain[hidden]{display:none}.seal{font-size:44px;color:var(--gold);margin-bottom:16px}#curtain h2{font-size:30px}#curtain p{color:#bac9bd;max-width:350px;font:13px/1.7 system-ui}#clock{position:absolute;bottom:12px;left:14px;font:10px system-ui;letter-spacing:2px;color:#d4dac5;background:#102728d9;padding:5px 9px;border-radius:3px}.transport{display:flex;gap:9px;align-items:center;margin-top:16px}.primary{background:var(--gold);border-color:var(--gold);color:#1a332c;font-weight:700;padding:13px 22px;min-width:145px}.primary span{padding-left:16px}.primary:hover:enabled{background:#f2d495}.speed-label{margin-left:auto;font:11px system-ui;color:var(--muted)}.speed-label select{padding:8px;margin-left:6px}.readout{display:flex;justify-content:space-between;gap:15px;font:11px/1.6 system-ui;color:var(--muted);padding-top:14px;min-height:34px}aside{padding:23px 22px;background:linear-gradient(140deg,#24413b,#182f2e)}.panel-head{display:flex;justify-content:space-between;gap:5px}.panel-head .eyebrow{letter-spacing:1px}.tiny{font:9px system-ui;color:var(--muted)}aside h2{margin-top:14px;font-size:26px}.muted{font:12px/1.7 system-ui;color:var(--muted);margin:12px 0 20px}fieldset{border:0;padding:0;margin:0}fieldset>label{display:block;font:12px system-ui;margin:17px 0 8px;color:#dedfc7}fieldset select{display:block;width:100%;margin-top:10px}output{float:right;color:var(--gold);font-variant-numeric:tabular-nums}input[type=range]{width:100%;display:block;margin:13px 0;accent-color:var(--gold)}.hint{font:10px/1.5 system-ui;color:var(--muted);margin-top:-2px}fieldset>.toggle{display:flex;gap:10px;align-items:center;margin-top:17px}input[type=checkbox]{accent-color:var(--gold);width:17px;height:17px;margin:0}.toggle small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.presets{display:flex;gap:6px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;margin-top:23px}.presets span{width:100%;font-size:9px;margin-bottom:3px}.presets button{padding:7px 11px;font-size:10px}.lesson{border-left:2px solid var(--gold);padding-left:13px;margin-top:22px}.lesson p{font:11px/1.65 system-ui;color:var(--muted);margin:0}.league{display:flex;gap:30px;align-items:center;padding:30px 0 24px}.league h2{font-size:22px}#passport{display:flex;gap:10px;flex:1;justify-content:flex-end}.stamp{border:1px solid var(--line);background:transparent;padding:14px 12px;flex:1;max-width:160px;text-align:left}.stamp b{display:block;color:var(--gold);font:17px Georgia;margin-bottom:5px}.stamp span{font-size:10px;color:var(--muted)}.stamp.won{border-color:#a98c55;background:#a98c5515}.stamp.active{box-shadow:inset 0 -2px var(--gold)}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0;font:10px/1.8 system-ui;color:var(--muted)}a{color:inherit}dialog{max-width:540px;background:#203b36;color:var(--ink);border:1px solid var(--gold);border-radius:12px;padding:32px;line-height:1.7}dialog::backdrop{background:#061c22c9}dialog>button{float:right}dialog h2{clear:both;padding-top:10px}dialog li,dialog>p:not(.eyebrow){font:13px/1.8 system-ui;color:#bfcdc1}dialog ol{padding-left:20px}dialog li{padding:6px 0}@media(max-width:950px){main{padding:22px}.layout{grid-template-columns:minmax(0,1fr) 265px}.arena-panel{padding:15px}aside{padding:18px 15px}.league{display:block}#passport{margin-top:20px}.intro>p{font-size:30px}.intro-note{font-size:10px}}@media(max-width:710px){main{padding:18px 14px}h1{font-size:21px}h1 i{display:block;margin:5px 0 0;font-size:12px}.brand{width:48px;height:48px;flex-shrink:0}header{gap:12px}header button{padding:8px;font-size:10px}.intro{padding:24px 0}.intro>p{font-size:27px}.intro-note{display:none}.layout{display:flex;flex-direction:column}.match-head{align-items:flex-start}.match-head select{max-width:130px;padding:8px;font-size:10px}h2{font-size:21px}.rival-note{font-size:11px}.transport{gap:7px}.primary{min-width:0;padding:12px}.primary span{padding-left:5px}.transport button{font-size:10px}.speed-label{font-size:0}.speed-label select{font-size:10px}.readout{font-size:10px}#curtain h2{font-size:23px}#curtain p{font-size:11px}.seal{margin-bottom:0}#passport{gap:5px}.stamp{padding:10px 6px}.stamp span{font-size:8px}.stamp b{font-size:15px}footer{gap:20px;font-size:9px}aside h2{margin-top:8px}.muted{margin-bottom:10px}}