:root{--bg:#f5f4f0;--paper:#fffefb;--ink:#282334;--muted:#85808b;--line:#e5e2dc;--lime:#d3ef81;--lilac:#e8dff4;--rose:#f3dce0;--board-light:#eedcba;--board-dark:#ae8a67;--board-last-light:#cdd183;--board-last-dark:#c2c677;--coord-light:#ae8a67;--coord-dark:#eedcba;--shadow:0 9px 28px #28233406;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Segoe UI',Arial,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{opacity:.45;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #9f81c5;outline-offset:3px}button{border:0;background:none}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.sidebar{width:230px;padding:32px 23px 20px;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;background:var(--paper);display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;font-weight:800;letter-spacing:-1.8px;font-size:32px}.brand-mark{display:grid;place-items:center;background:var(--lime);width:39px;height:41px;border-radius:11px;margin-right:9px;font-size:30px;font-family:'Segoe UI Symbol',serif;line-height:1}.brand-dot{color:#87aa31}.sidebar-caption{font-size:8px;letter-spacing:1.4px;margin:14px 0 38px;color:var(--muted)}nav{display:grid;gap:8px}.nav-item{text-align:left;display:flex;align-items:center;gap:13px;font-weight:600;padding:14px 12px;border-radius:10px;color:#736c7e;font-size:13px}.nav-item>span:first-child{font-size:20px;width:23px;text-align:center}.nav-item.active{color:var(--ink);background:var(--lilac)}.nav-arrow{margin-left:auto}.sidebar-bottom{margin-top:auto}.daily-card{margin-top:24px;border:1px solid var(--line);border-radius:13px;padding:17px;background:var(--bg)}.eyebrow{font-size:9px;font-weight:700;letter-spacing:1.7px;color:var(--muted)}.daily-card .eyebrow{font-size:7px;letter-spacing:1px}.daily-star{display:block;font-size:38px;margin:9px 0;color:#9b82b3}.daily-card p{font-size:12px;line-height:1.7}.daily-card button{display:flex;justify-content:space-between;width:100%;padding:8px 0;font-size:11px;font-weight:600}.guest{border-top:1px solid var(--line);margin-top:22px;padding-top:20px;display:flex;align-items:center;gap:10px}.guest strong{font-size:12px}.guest small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.guest button{margin-left:auto}.avatar{width:37px;height:37px;background:var(--lilac);border-radius:11px;display:grid;place-items:center;font-size:18px;font-weight:700}.avatar.dark{background:var(--ink);color:#fff;font-size:26px}.avatar.lime{background:var(--lime)}main{margin-left:230px;padding:0 40px;max-width:1550px}.topbar{height:72px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:9px;letter-spacing:1.5px;color:var(--muted)}.topbar button{letter-spacing:0;font-size:12px;display:flex;gap:8px;align-items:center}.status-dot{display:inline-block;background:#8fab55;width:6px;height:6px;border-radius:50%;margin-right:8px}.intro{display:flex;justify-content:space-between;align-items:center;padding:33px 0 26px}.intro h1{font-size:38px;letter-spacing:-1.4px;line-height:1.12;margin:13px 0 11px;font-weight:650}.intro h1 em{font-weight:450;font-family:Georgia,serif;font-style:italic}.intro p{color:var(--muted);font-size:12px;margin:0}.intro-stamp{width:115px;height:115px;border:1px solid #d4cfdb;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(8deg);margin-right:20px;color:#9783ac}.intro-stamp>span{font-family:Georgia,serif;font-size:42px;line-height:1}.intro-stamp small{font-size:6px;letter-spacing:1px;text-align:center;margin-top:9px;line-height:1.6}.workspace{display:grid;grid-template-columns:minmax(280px,1.45fr) minmax(290px,1fr);gap:26px;align-items:start;max-width:1090px}.board-column{min-width:0}.player-row{display:flex;align-items:center;gap:11px;padding:0 1px 13px}.player-row strong{font-size:13px}.player-row small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.clock{font-size:22px;font-weight:600;letter-spacing:1px;margin-left:auto;background:var(--paper);padding:7px 14px;border:1px solid var(--line);border-radius:8px;font-variant-numeric:tabular-nums;min-width:72px;text-align:center}.clock.running{background:var(--lime);border-color:var(--lime)}.board-frame{position:relative}.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;border-radius:7px;overflow:hidden;box-shadow:0 10px 30px #28233410}.square{border:0;padding:0;position:relative;display:grid;place-items:center;background:var(--board-light);aspect-ratio:1;min-width:0;touch-action:manipulation}.square.dark{background:var(--board-dark)}.square.last{background:var(--board-last-light)}.square.dark.last{background:var(--board-last-dark)}.square.selected{box-shadow:inset 0 0 0 4px #7b6352;background:#d5c292}.square.check{background:#d68083}.square.best{box-shadow:inset 0 0 0 4px #7eaa41}.square .piece{width:85%;height:85%;filter:drop-shadow(0 3px 1px #0002);pointer-events:none;z-index:1}.square .coord{position:absolute;font-size:10px;color:var(--coord-light);font-weight:600;line-height:1}.square.dark .coord{color:var(--coord-dark)}.coord.file{bottom:3px;right:5px}.coord.rank{top:4px;left:5px}.square.target:after{content:'';width:23%;height:23%;border-radius:50%;background:#36254044;position:absolute}.square.target:has(.piece):after{width:85%;height:85%;background:transparent;border:5px solid #36254044}.player-row.bottom{padding:14px 1px 0}.board-tools{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:10px;margin-top:16px;padding-bottom:5px;min-height:28px}.board-tools button{font-size:11px;white-space:nowrap}.board-tools button:first-child{font-size:20px}.board-tools #board-status{margin-left:auto;font-size:10px}.control-panel{border:1px solid var(--line);border-radius:15px;background:var(--paper);box-shadow:var(--shadow);overflow:hidden}.mode-tabs{padding:7px;display:flex;border-bottom:1px solid var(--line);gap:4px}.mode-tabs button{flex:1;padding:11px 4px;font-size:11px;font-weight:600;border-radius:8px;color:var(--muted)}.mode-tabs button.active{background:var(--lilac);color:var(--ink)}.panel-body{padding:24px 23px 15px}.panel-body h2{font-size:20px;letter-spacing:-.5px;line-height:1.3;margin:13px 0 9px}.muted{color:var(--muted);font-size:12px;line-height:1.7}.bot-profile{display:flex;align-items:center;gap:12px;margin:19px 0 25px}.bot-face{background:var(--lilac);font-size:43px;width:62px;height:64px;border-radius:14px;display:grid;place-items:center;color:#6c527f;flex-shrink:0}.bot-profile h2{margin:0;font-size:16px;letter-spacing:-.3px}.bot-profile p{font-size:10px;color:var(--muted);max-width:145px;line-height:1.6;margin:5px 0 0}.tag{align-self:start;font-size:7px;white-space:nowrap;color:var(--muted);border:1px solid var(--line);padding:4px;border-radius:4px;margin-left:auto}.difficulty-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:600}.difficulty-label strong{font-size:22px}.difficulty-label small{color:var(--muted);font-size:10px;font-weight:400}input[type=range]{width:100%;accent-color:#947daf;margin:13px 0 6px;cursor:pointer}.range-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:9px}.field-label{display:block;font-size:10px;font-weight:600;margin:22px 0 9px}.segmented{display:flex;gap:5px}.segmented button{flex:1;border:1px solid var(--line);border-radius:7px;font-size:10px;padding:10px 2px;color:var(--muted)}.segmented button.active{border-color:#a08caf;background:var(--lilac);color:var(--ink)}select,.text-input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:11px 10px;font-size:11px}textarea{resize:vertical;min-height:80px;line-height:1.7}.primary,.secondary{border-radius:9px;font-size:12px;font-weight:600;width:100%;padding:14px 15px;display:flex;justify-content:space-between;align-items:center;margin-top:20px}.primary{background:var(--lime)}.primary:hover{filter:brightness(.97)}.primary>span{font-size:18px;line-height:1}.secondary{background:var(--lilac);justify-content:center;margin-top:10px}.text-button{font-size:11px;padding:12px 5px;color:var(--muted);width:100%}.gentle-note{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);padding:17px 0 0;margin-top:12px;color:var(--muted)}.gentle-note>span{font-size:21px;color:#9d88b4}.gentle-note p{font-size:10px;line-height:1.7;margin:0}.notation{border-top:1px solid var(--line);padding:18px 23px}.notation>div:first-child{display:flex;justify-content:space-between}.notation #move-count{font-size:9px;color:var(--muted)}.move-list{max-height:106px;overflow:auto;font-size:11px;margin-top:13px}.move-list p{font-size:10px;color:var(--muted);margin:0}.move-pair{display:grid;grid-template-columns:30px 1fr 1fr;gap:10px;margin-bottom:4px;align-items:center}.move-pair>span{color:var(--muted);font-size:10px}.move-pair button{text-align:left;border-radius:4px;padding:4px}.move-pair button.current{background:var(--lilac)}.move-pair button.bad{color:#b2696b}.feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:1090px;margin-top:26px}.feature-strip>button{display:flex;gap:14px;align-items:center;text-align:left;border:1px solid var(--line);background:var(--paper);padding:18px;border-radius:12px}.feature-strip>button>span:last-child{margin-left:auto}.feature-icon{width:39px;height:39px;border-radius:10px;display:grid;place-items:center;font-size:24px;flex-shrink:0}.rose{background:var(--rose)}.lavender{background:var(--lilac)}.feature-strip strong{font-size:11px}.feature-strip small{display:block;font-size:9px;color:var(--muted);margin-top:5px}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:30px;padding:22px 0;font-weight:700;font-size:15px;max-width:1090px}footer small{font-size:9px;color:var(--muted);font-weight:400;margin-left:11px}footer button{font-weight:400;font-size:10px;color:var(--muted)}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:15px 22px;max-width:min(90vw,540px);border-radius:10px;z-index:50;box-shadow:0 4px 30px #0003;line-height:1.5;font-size:13px}dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:18px;width:min(440px,90vw);padding:28px;box-shadow:0 10px 60px #0002}dialog::backdrop{background:#28233477}dialog h2{font-size:24px;margin-top:0}dialog p{line-height:1.8;font-size:13px;color:var(--muted)}.promotion{display:flex;gap:8px}.promotion button{background:var(--lilac);border-radius:9px;width:75px;height:75px}.promotion svg{width:90%;height:90%}.inline-actions{display:flex;gap:8px;margin-top:15px}.inline-actions button{font-size:10px;border:1px solid var(--line);border-radius:7px;padding:9px;flex:1}.eval-bar{position:absolute;left:-20px;width:12px;top:0;bottom:0;border-radius:5px;overflow:hidden;background:#332e3a;border:1px solid #8b8095}.eval-bar>div{position:absolute;bottom:0;width:100%;background:#fffefb;height:50%;transition:height .4s}.eval-bar>span{position:absolute;bottom:5px;left:0;font-size:7px;transform:rotate(-90deg);color:#675d70}.accuracy-cards{display:flex;gap:8px;margin-top:18px}.accuracy-cards>div{flex:1;background:var(--bg);border-radius:9px;padding:12px}.accuracy-cards small{display:block;font-size:9px;color:var(--muted)}.accuracy-cards strong{font-size:28px;display:block;margin-top:4px}.eval-chart{height:66px;background:var(--bg);margin-top:12px;border-radius:7px;overflow:hidden;position:relative}.eval-chart svg{width:100%;height:100%}.review-navigation{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.review-navigation strong{font-size:11px}.review-navigation button{width:34px;height:30px;background:var(--bg);border-radius:7px}.coach{border-left:3px solid #a98abc;margin:13px 0;padding:10px 12px;background:var(--bg);font-size:11px;line-height:1.7;min-height:65px}.coach .badge{font-weight:700;font-size:12px;display:block;margin-bottom:3px}.analysis-note{display:block;color:var(--muted);font-size:8px;line-height:1.6;margin-top:8px}.progress-track{height:5px;border-radius:4px;background:var(--line);margin:12px 0}.progress-track>span{height:100%;background:#a184b9;display:block;border-radius:4px}.content-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.content-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:23px;display:flex;flex-direction:column}.content-card .big-symbol{font-size:32px;color:#9275a8;margin:12px 0}.content-card h2{font-size:18px;line-height:1.3}.content-card p{color:var(--muted);font-size:12px;line-height:1.8;flex:1}.content-card button{text-align:left;padding:13px 0 0;font-size:12px;font-weight:600}.lesson-layout{display:grid;grid-template-columns:minmax(280px,1fr) minmax(260px,.8fr);gap:26px;max-width:950px}.lesson-copy{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:28px}.lesson-copy h2{font-size:24px}.lesson-copy p{line-height:1.9;color:var(--muted);font-size:13px}.lesson-copy .badge{padding:5px 9px;background:var(--lilac);border-radius:7px;font-size:10px}.history-row{background:var(--paper);border:1px solid var(--line);padding:19px 22px;border-radius:11px;margin-bottom:12px;display:flex;align-items:center;gap:15px}.history-row strong{font-size:13px}.history-row small{color:var(--muted);display:block;margin-top:5px;font-size:10px}.history-row button{margin-left:auto;background:var(--lilac);padding:10px 13px;border-radius:7px;font-size:11px}.empty-state{padding:45px;background:var(--paper);border:1px solid var(--line);border-radius:14px;text-align:center;color:var(--muted);line-height:1.8}.body-dark{--bg:#211f27;--paper:#2b2832;--ink:#ede7f1;--muted:#aea3b9;--line:#413b49;--lilac:#43364f;--lime:#bcd574;--rose:#59404b;color-scheme:dark}.body-dark .primary{color:#282334}.body-dark .avatar.lime{color:#282334}.body-dark .clock.running{color:#282334}.body-dark .toast{color:#282334}
@media(min-width:1450px){.workspace{grid-template-columns:minmax(280px,590px) minmax(290px,380px)}main{padding:0 55px}.intro{padding-top:40px}}
@media(max-width:1150px){.sidebar{width:190px;padding:28px 17px}.brand{font-size:28px}main{margin-left:190px;padding:0 25px}.workspace{gap:19px;grid-template-columns:minmax(270px,1fr) 300px}.panel-body{padding:22px 18px 14px}.intro h1{font-size:34px}.board-tools{gap:5px}.board-tools span{font-size:9px}.intro-stamp{width:95px;height:95px}.content-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:920px){.sidebar{width:76px;padding:24px 12px}.brand{font-size:0}.brand-mark{margin:0;width:44px;height:46px}.brand-dot,.sidebar-caption,.sidebar-bottom{display:none}.nav-item{font-size:0;padding:14px 9px;justify-content:center}.nav-arrow{display:none}.nav-item>span:first-child{font-size:26px;margin:0}.sidebar nav{margin-top:35px}main{margin-left:76px;padding:0 23px}.workspace{grid-template-columns:minmax(270px,1fr) 290px}.feature-strip strong{font-size:10px}.intro-stamp{margin-right:0}.panel-body h2{font-size:18px}}
@media(max-width:740px){.sidebar{position:sticky;top:0;width:100%;height:62px;flex-direction:row;align-items:center;justify-content:space-between;padding:8px 18px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:24px;letter-spacing:-1px}.brand-mark{font-size:24px;width:31px;height:34px;margin-right:7px}.brand-dot{display:block}.sidebar nav{display:flex;margin:0;gap:3px}.nav-item{padding:9px;border-radius:7px}.nav-item>span:first-child{font-size:20px;width:20px}main{margin:0;padding:0 18px}.topbar{height:43px;font-size:7px;letter-spacing:1px}.intro{padding:24px 0 23px}.intro h1{font-size:30px}.intro .eyebrow{font-size:7px}.intro-stamp{width:77px;height:77px;flex-shrink:0;margin-left:12px}.intro-stamp>span{font-size:31px}.intro-stamp small{font-size:5px;margin-top:5px}.intro p{font-size:10px}.workspace{grid-template-columns:1fr;gap:24px;max-width:560px;margin:auto}.board-column{width:100%}.player-row strong{font-size:12px}.player-row small{font-size:9px}.clock{font-size:19px}.board-tools #board-status{font-size:10px}.board-tools #undo span{display:none}.control-panel{border-radius:12px}.panel-body{padding:21px}.bot-profile p{max-width:230px}.feature-strip{grid-template-columns:1fr;gap:10px;max-width:560px;margin:20px auto 0}.feature-strip>button{padding:15px}.feature-strip strong{font-size:12px}.feature-strip small{font-size:10px}footer small{display:none}.content-cards{grid-template-columns:1fr}.lesson-layout{grid-template-columns:1fr}.lesson-copy{padding:23px}.eval-bar{left:-14px;width:8px}.eval-bar>span{display:none}.board-frame{margin-left:0}.history-row{padding:16px 14px;gap:10px}.history-row strong{font-size:12px}.history-row button{font-size:10px}.coord.file,.coord.rank{font-size:8px}}
.puzzle-toolbar,.puzzle-pagination{display:flex;gap:15px;align-items:center;justify-content:space-between;margin:0 0 20px;color:var(--muted);font-size:12px}.puzzle-toolbar select{width:auto;min-width:170px}.puzzle-pagination{margin-top:22px;justify-content:center}.puzzle-pagination button{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:10px 18px}.dataset-note{color:var(--muted);font-size:10px;line-height:1.7}.dataset-note a{text-decoration:underline}
@media(max-width:420px){.sidebar{padding:8px 12px}.brand{font-size:20px}.brand-mark{width:26px;height:30px;margin-right:5px;font-size:22px}.nav-item{padding:9px 6px}.intro-stamp{display:none}.intro h1{font-size:30px}.intro{padding:25px 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.topbar-actions{display:flex;gap:20px;align-items:center}.appearance-dialog{width:min(620px,94vw);max-height:90vh;overflow:auto}.appearance-group{border:0;padding:0;margin:24px 0}.appearance-group legend{font-size:12px;font-weight:700;margin-bottom:12px}.board-choices,.piece-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.appearance-option{border:2px solid var(--line);background:var(--bg);padding:9px;border-radius:10px;min-width:0}.appearance-option[aria-pressed=true]{border-color:#899d47;box-shadow:0 0 0 1px #899d47}.appearance-option strong{display:block;font-size:11px;margin-top:8px}.board-swatch{display:grid;grid-template-columns:repeat(4,1fr);aspect-ratio:1.7;border-radius:5px;overflow:hidden}.board-swatch i{background:var(--swatch-light)}.board-swatch i:nth-child(8n+2),.board-swatch i:nth-child(8n+4),.board-swatch i:nth-child(8n+5),.board-swatch i:nth-child(8n+7){background:var(--swatch-dark)}.piece-swatch{display:flex;align-items:center;justify-content:center;background:var(--board-light);border-radius:5px;aspect-ratio:1.5}.piece-swatch svg{width:48%;height:auto;max-height:100%}.settings-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;color:var(--muted);font-size:11px}.settings-footer .text-button{width:auto;font-size:11px}.appearance-dialog #close-modal{background:var(--lilac);border-radius:8px;margin-top:12px;color:var(--ink)}
@media(max-width:420px){.topbar{letter-spacing:.2px}.topbar-actions{gap:12px}.topbar button{font-size:10px;gap:4px}.appearance-dialog{padding:20px 14px}.board-choices,.piece-choices{gap:7px}.appearance-option{padding:6px}.appearance-option strong{font-size:9px}.settings-footer{font-size:9px}}

.clock{font-size:clamp(24px,3vw,34px);font-weight:750;font-variant-numeric:tabular-nums;min-width:100px;text-align:center;padding:7px 12px;line-height:1.15}.clock.running{outline:2px solid #899d47}.puzzle-toolbar{flex-wrap:wrap;gap:16px;align-items:end}.puzzle-toolbar label{display:flex;flex-direction:column;gap:6px;font-size:12px}.puzzle-toolbar select{width:auto;max-width:100%;min-width:180px;margin:0}.puzzle-toolbar .checkbox-label{flex-direction:row;align-items:center;padding:12px 0}.checkbox-label input{width:18px;height:18px;accent-color:#899d47}.accuracy-method{font-size:11px;line-height:1.7;color:var(--muted);margin-top:14px}.accuracy-method summary{cursor:pointer;color:var(--ink)}#review-progress{width:100%;height:12px;accent-color:#9171ab;margin-top:16px}#cancel-review{margin-top:12px}.coach p{margin:9px 0}.coach small{display:block;line-height:1.7}.analysis-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:32px;align-items:start}.analysis-copy{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px}.analysis-copy h2{font-size:27px;line-height:1.2}.analysis-copy>p{color:var(--muted);font-size:13px;line-height:1.7}.analysis-copy textarea{width:100%;resize:vertical;word-break:break-all}.analysis-copy .primary{margin-top:16px}.analysis-line{padding:14px 0;border-top:1px solid var(--line)}.analysis-line strong{font-size:18px}.analysis-line small{display:block;color:var(--muted);margin-top:4px}.analysis-line p{font-size:14px;line-height:1.8;overflow-wrap:anywhere}#analysis-cancel{margin-top:12px}.analysis-layout .board-tools{flex-wrap:wrap}
@media(max-width:850px){.analysis-layout{grid-template-columns:1fr;gap:20px}.analysis-copy{padding:22px}.clock{font-size:27px;min-width:90px}.puzzle-toolbar{align-items:stretch}.puzzle-toolbar>span{width:100%}.puzzle-toolbar label{flex:1}.puzzle-toolbar select{width:100%}.puzzle-toolbar .checkbox-label{flex-basis:100%}}

.analysis-note{font-size:11px;line-height:1.7}#review-panel .primary:disabled{opacity:.65;cursor:wait}
@media(max-width:420px){.sidebar .brand{font-size:0}.sidebar .brand-dot{display:none}.sidebar nav{gap:2px}.nav-item{padding:9px 6px}}

.quick-tools{display:flex;align-items:center;gap:8px;margin:0 0 10px}.quick-tools button{min-height:36px;padding:4px 10px;background:var(--paper);border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:8px;font-size:11px}.quick-tools .quick-settings{margin-left:auto;font-size:18px}.quick-tools svg{width:24px;height:27px}.quick-swatch{display:block;width:22px;height:22px;border-radius:3px;background:conic-gradient(var(--a) 25%,var(--b) 0 50%,var(--a) 0 75%,var(--b) 0);border:1px solid #0002}.time-categories{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin:8px 0}.time-categories button{padding:9px 3px;border-radius:6px;font-size:11px;color:var(--muted);background:var(--bg);border:1px solid var(--line)}.time-categories button[aria-pressed=true]{background:var(--lilac);border-color:var(--ink);color:var(--ink);font-weight:600}.time-note{font-size:11px;line-height:1.5;color:var(--muted);margin:7px 0}.rules-link{font-size:11px;text-decoration:underline;padding:4px 0;margin-bottom:13px;color:var(--muted)}.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}.square .piece[data-piece-set=tournament]{width:90%;height:90%;filter:none}
@media(max-width:420px){.quick-tools button{padding:4px 7px;gap:5px;font-size:10px}.time-categories button{font-size:10px}}