:root{--ink:#2c2016;--muted:#817b77;--accent:#5a3b20;--lime:#eac4a3;--paper:#f7f8f3;--line:#e8e3df;--white:#fff;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9f7551;outline-offset:3px}[hidden]{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:#2c1f13;color:#d1cac3;padding:36px 24px;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-size:48px;color:#fff;line-height:1}.brand>span{font-size:34px;font-weight:650;letter-spacing:-1.5px}.brand-dot{color:#e6bc98}.brand 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#e6ded7;border-radius:14px;background:#f0e8e1;overflow:hidden;position:relative}.hero-copy{padding:40px 0 40px 38px;position:relative;z-index:1}.hero-copy p{max-width:360px;font-size:13px;line-height:1.8;color:#78716a}.hero-copy h1{font-size:44px;margin:15px 0}.hero-copy .button{margin-top:14px}.hero-copy .hero-note{font-size:10px;display:block;margin-top:14px;color:#908377}.hero-art{display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:radial-gradient(ellipse at center,#f4f4de 0%,transparent 65%)}.mini-board{width:258px;height:258px;display:grid;grid-template-columns:repeat(8,1fr);transform:perspective(700px) rotateX(22deg) rotateZ(-16deg);box-shadow:14px 25px 25px #39291c29;border:8px solid #544436;border-bottom-width:15px;border-radius:3px;position:relative}.mini-board span{display:flex;align-items:center;justify-content:center;font-family:'Segoe UI Symbol','DejaVu Sans',serif;font-size:26px;color:#f8f7df;text-shadow:0 2px 1px 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100px)}}@media(max-width:800px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:235px}.sidebar.open{transform:translateX(0)}.shell{margin-left:0}.topbar{height:67px}.menu-toggle{display:block;background:none;border:0;color:var(--ink);font-size:20px;padding:8px}.live-label{display:none}.topbar #breadcrumb{margin-right:auto;margin-left:12px}.hero-copy h1{font-size:36px}.hero-art .mini-board{width:220px;height:220px}.columns{grid-template-columns:1fr 1fr}.square{font-size:5vw}.toast{left:50%}.game-layout{grid-template-columns:1fr}.board-shell{max-width:620px;width:100%;margin:auto}.square{font-size:8vw;max-height:74px}.game-info{grid-template-columns:1fr 1fr}.admin-row{grid-template-columns:1fr 1fr}.stats-grid{gap:10px}.stat-card{padding:15px 12px;gap:10px}}@media(max-width:550px){main{padding:24px 18px 40px}.hero{grid-template-columns:1fr}.hero-copy{padding:28px 26px 0}.hero-copy h1{font-size:38px}.hero-art{height:230px}.hero-art .mini-board{width:184px;height:184px}.hero-art .mini-board span{font-size:21px}.hero-tag{font-size:8px;bottom:18px;right:16px}.hero-copy p{font-size:12px}.hero-copy .hero-note{margin-top:10px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:7px}.stat-card{padding:14px 10px;display:block}.stat-icon{width:30px;height:30px;font-size:18px;margin-bottom:9px}.stat-card strong{font-size:21px}.stat-card small{font-size:9px}.stat-card .suffix{display:none}.columns,.account-grid,.game-info{grid-template-columns:1fr}.section-head h2{font-size:21px}.card{padding:20px}.board-shell{padding:10px}.square{font-size:9vw}.game-layout{gap:18px}.page-intro h1{font-size:30px}.top-actions{gap:10px}footer span:nth-child(2){display:none}.order-number{font-size:21px}.move-list{max-height:150px}}
.game-clock{display:flex;gap:24px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.game-clock span{font-size:10px;color:var(--muted)}.game-clock strong{display:block;font-size:25px;font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
#language-select{width:62px;padding:6px 8px;min-height:32px;font-size:11px;background:transparent;border-color:var(--line);margin:0}
.original-board-shell{border-radius:12px;overflow:hidden;background:#4a3226;box-shadow:0 8px 24px #271d1418}.original-board-frame{display:block;width:100%;aspect-ratio:2/3;border:0;min-height:560px}.original-game-layout{grid-template-columns:minmax(320px,680px) minmax(210px,1fr)}@media(max-width:800px){.original-game-layout{grid-template-columns:1fr}.original-board-frame{min-height:0}.original-board-shell{max-width:680px;width:100%;margin:auto}}

/* Original Chess ZTI identity: cream sidebar, crown logo and board-inspired wood/gold. */
:root{--ink:#4e3426;--muted:#927f70;--accent:#795034;--lime:#ecd398;--paper:#fffdf9;--line:#e9ddcd;--serif:Georgia,'Times New Roman',serif}
body{background:#fffdf9}.sidebar{width:260px;background:#fcebdc;color:#63442e;border-right:3px solid #c79670;padding:38px 28px}.shell{margin-left:260px}.brand{display:flex;justify-content:center;align-items:center;min-height:135px}.brand img{width:176px;max-width:100%;height:auto}.nav-label{margin:37px 10px 17px;color:#ad8861;letter-spacing:1.3px;font-size:9px}.sidebar nav{gap:6px}.sidebar nav a{padding:11px 12px;font-size:13px;color:#67442e;border-radius:5px;gap:9px}.sidebar nav a>span{font-size:15px;width:18px;color:#a27b43}.sidebar nav a.active{background:#e9cfaa;color:#583822;box-shadow:inset 3px 0 #9a6d32}.sidebar nav a:hover{background:#f1dbc1}.sidebar-bottom{color:#8f725b;font-size:10px}.sidebar-bottom p{color:#a18a77}.status-dot{background:#b99148}.topbar{background:#fffdf9;border-bottom-color:#eadbca}.avatar{background:#efe0c4;color:#75512d}.live-label i{background:#bd9144}.button{background:linear-gradient(#916543,#6b432b);border:1px solid #71482d;box-shadow:0 2px 0 #4f2f1b15}.button:hover{background:linear-gradient(#a6774b,#795032)}.button.light{background:linear-gradient(#f2dfad,#dfba73);color:#5b3d24;border-color:#cca45f}.button.ghost{background:#fffaf1;color:#775033;border-color:#d9c4a4;box-shadow:none}.button.ghost:hover{background:#f5e8d2}.hero{background:linear-gradient(115deg,#fffaf0,#f8e9ce);border-color:#e9d4af;min-height:350px}.hero-copy{padding:38px 0 38px 34px}.hero-copy h1{font-size:39px;line-height:1.22;color:#67442b}.hero-copy p{color:#92775f;font-size:13px;max-width:400px}.hero-art{background:radial-gradient(ellipse at center,#fff5da,transparent 70%)}.legacy-trophy{width:83%;max-width:280px;height:auto;object-fit:contain;filter:drop-shadow(0 12px 16px #8d562620)}.hero-tag{background:#fff9ebd9;border-color:#dfc697;color:#936f3e;bottom:19px}.eyebrow{color:#a6824e}.hero-copy .hero-note{color:#a48b6d}.stat-card{background:#fffdfa;border-color:#e9decd}.stat-icon{background:#f6e9d1;color:#a07839}.tag{background:#f5ead3;color:#9a743b}.card{background:#fffdfa;border-color:#e8dbca}.level-card{background:#fffdfa;border-color:#e8dbca}.level-card:hover{background:#fdf4e4;border-color:#be9a66}.level-mark{background:#f4e6ce;color:#a57b3f}.level-card .arrow{color:#a17b47}.promo-card{background:linear-gradient(135deg,#f9edd7,#f3dfb7);border-color:#e4cca1}.promo-card p{color:#947451}.promo-card .price{color:#78502e}.promo-card .price small{color:#a1855e}.person-icon{background:#f4e8d2;color:#9b7543}th{color:#a38e76;border-color:#eadfcd}td{border-color:#f2e8d9}.notice{background:#fbf1df;border-color:#e6d2ae}.notice.warning{background:#fff6e2;border-color:#e9cf93}.move-list{background:#faf0df}.game-clock{border-color:#e9d9bf}.toast{background:#68432b}.text-button,.subtle-link{color:#946e38}footer{background:#fffaf2;color:#a28b71;border-color:#e7dac6}.original-board-shell{border:1px solid #a67642;box-shadow:0 6px 26px #75422020}.original-game-layout{align-items:start}.original-board-frame{background:#4b2d1e}dialog{background:#fffdf8}input,select{border-color:#dac6a7}.menu-toggle{color:#6d472c}.game-info .eyebrow{color:#a77c3d}
@media(max-width:1100px){.sidebar{width:230px;padding:30px 22px}.shell{margin-left:230px}.brand img{width:160px}.hero-copy h1{font-size:33px}.hero-copy{padding-left:26px}.legacy-trophy{width:90%}}
@media(max-width:800px){.shell{margin-left:0}.sidebar{width:250px}.hero-copy h1{font-size:34px}.legacy-trophy{max-width:230px}.topbar{padding-left:18px;padding-right:18px}}
@media(max-width:550px){.hero-copy{padding:27px 23px 0}.hero-copy h1{font-size:32px}.hero-art{height:228px}.legacy-trophy{width:205px;max-height:215px}.hero-tag{right:15px;bottom:8px;font-size:8px}.nav-label{margin-top:24px}.sidebar-bottom{bottom:22px}.sidebar nav a{padding-top:9px;padding-bottom:9px}.brand{min-height:115px}.brand img{width:150px}}
.calendar-card{margin:20px 0}.calendar-card h3{font-size:21px;margin-bottom:22px}.competition-calendar{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid #e6d0ae;border-radius:6px;overflow:hidden}.competition-month{display:grid;gap:7px;text-align:center;padding:14px 7px;border-right:1px solid #eadac1;border-bottom:1px solid #eadac1;background:#fffaf0}.competition-month:nth-child(5n){border-right:0}.competition-month:nth-child(n+6){border-bottom:0}.competition-month strong{font-size:12px;color:#81572f;font-weight:600}.competition-month span{font-size:18px;color:#ac8650}.competition-month a{font-size:11px;color:#8f632e;text-decoration:underline;text-underline-offset:3px}.protocol-archive{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;font-size:12px}.protocol-archive a{color:#926c34}.protocol-archive a span{font-size:10px;color:#ac987c;display:block}.legacy-results-table th,.legacy-results-table td{padding:13px 11px}.level-wins{font-size:11px;font-variant-numeric:tabular-nums}.country-label{font-size:10px;color:#a28251;letter-spacing:1px}.country-label img{vertical-align:middle;object-fit:cover}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.gallery-grid figure{margin:0;background:#fff9ee;border:1px solid #e5d1ae;border-radius:7px;overflow:hidden}.gallery-grid img{display:block;width:100%;height:220px;object-fit:cover;transition:transform .3s}.gallery-grid a{display:block;overflow:hidden}.gallery-grid a:hover img{transform:scale(1.035)}.gallery-grid figcaption{padding:13px 15px;font-size:12px;color:#8e6d4c}.legacy-gallery{margin-top:35px}.legacy-content{font-size:15px;line-height:1.85;color:#8f7763}.legacy-content img{max-width:100%;height:auto}.legacy-content .aligncenter{text-align:center;margin-left:auto;margin-right:auto}.legacy-content .wp-block-columns{display:flex;gap:25px}.legacy-content .wp-block-column{flex:1;min-width:0}.legacy-content h2,.legacy-content h3{color:#765335}.legacy-content a{color:#986c31;text-decoration:underline}.legacy-content table{white-space:normal}.results-chart{width:100%;max-height:320px}.results-chart text{font:12px Arial;fill:#a18a6e}@media(max-width:1000px){.gallery-grid{grid-template-columns:repeat(2,1fr)}.protocol-archive{grid-template-columns:repeat(3,1fr)}}@media(max-width:550px){.gallery-grid{grid-template-columns:1fr}.gallery-grid img{height:auto;max-height:350px;object-fit:contain}.competition-calendar{grid-template-columns:repeat(2,1fr)}.competition-month:nth-child(n){border-right:1px solid #eadac1;border-bottom:1px solid #eadac1}.competition-month:nth-child(2n){border-right:0}.competition-month:nth-last-child(-n+2){border-bottom:0}.protocol-archive{grid-template-columns:repeat(2,1fr)}.legacy-content .wp-block-columns{display:block}}
.source-results-info{margin-top:25px}
.impersonation-banner{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 5%;background:#f6dfaa;border-bottom:1px solid #d5af69;color:#744c29;font-size:12px}.switch-user{padding:2px 0;font-size:10px}.impersonation-banner .button{white-space:nowrap}@media(max-width:550px){.impersonation-banner{align-items:start;flex-direction:column;gap:8px}}
.practice-board-shell{max-width:740px;margin:auto}
.unified-game{max-width:840px;margin:0 auto;border:1px solid #b28a52;border-radius:14px;overflow:hidden;background:#fdf1db;box-shadow:0 16px 45px #75502d17}.unified-game .original-board-frame{border-radius:0;min-height:0}.original-game-explanation{border-top:1px solid #d4b57c;padding:20px 28px;font-size:13px;line-height:1.8;color:#8c6b47;background:linear-gradient(135deg,#fff9ec,#f7e7cb)}.original-game-explanation p{margin:0 0 10px}.original-game-explanation a{color:#94692e;font-weight:600}.unified-game+footer{margin-top:30px}@media(max-width:550px){.original-game-explanation{padding:17px 18px;font-size:12px}.unified-game{border-radius:9px}}
/* Keep navigation and its footer in normal flow at every viewport height. */
.sidebar{display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain}.sidebar .brand,.sidebar nav,.sidebar .nav-label{flex-shrink:0}.sidebar-bottom{position:static;margin-top:auto;padding:24px 12px 0}.sidebar-bottom p{margin:10px 0 0}.gallery-grid img{object-fit:contain;background:#f5ead9}.original-game-explanation h2{font-family:var(--serif);font-size:22px;font-weight:500;margin:0 0 16px;color:#67442b}.difficulty-descriptions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:0 0 18px}.difficulty-descriptions dt{font-weight:600;color:#77502e;margin-bottom:7px}.difficulty-descriptions dd{margin:0;line-height:1.7}@media(max-height:800px){.sidebar{padding-top:20px;padding-bottom:20px}.brand{min-height:105px}.brand img{width:145px}.nav-label{margin-top:20px;margin-bottom:12px}.sidebar nav{gap:3px}.sidebar nav a{padding-top:8px;padding-bottom:8px}.sidebar-bottom{padding-top:18px}}@media(max-width:550px){.difficulty-descriptions{grid-template-columns:1fr;gap:14px}}