:root{--bg:#182421;--panel:#202e29;--line:#ffffff14;--text:#edece1;--muted:#92a198;--accent:#d6a77b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;font-size:14px;background-image:radial-gradient(ellipse at 30% 50%,#30433855,transparent 65%)}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0;background:none}button:hover{filter:brightness(1.2)}button:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{opacity:.35;cursor:default}header{height:98px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;max-width:1440px;margin:auto;padding:0 54px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-size:21px;letter-spacing:4px;text-decoration:none;font-weight:500}.brandmark{font-size:34px;color:var(--accent);letter-spacing:0}.brand-sub{font-size:8px;color:var(--muted);letter-spacing:2px;margin-left:12px;border-left:1px solid #ffffff24;padding-left:22px}.header-right{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:11px}.live-dot{width:5px;height:5px;display:inline-block;border-radius:50%;background:#adc3a6}.icon{border:1px solid #ffffff26;border-radius:50%;width:33px;height:33px;position:relative;font-size:17px}.icon:first-of-type{margin-left:20px}.slash{position:absolute;height:19px;width:1px;background:var(--text);transform:rotate(45deg);left:16px;top:6px}main{max-width:1400px;margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:39px 54px 24px}.intro{display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:9px;letter-spacing:2px;color:var(--accent);font-weight:600}h1{font-family:'Playfair Display',Georgia,serif;font-size:39px;line-height:1.25;font-weight:500;margin:11px 0 22px;letter-spacing:-1px}h1 em{font-weight:500;color:var(--accent)}.edition{font-size:8px;letter-spacing:1.4px;color:var(--muted);text-align:right}.edition span{display:block;margin-top:9px;color:#d3d5cb}.arena{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.player{display:flex;align-items:center;gap:12px;padding:17px 6px;position:relative;z-index:1}.avatar{display:grid;place-items:center;height:37px;width:37px;border:1px solid #ffffff20;border-radius:8px;font-size:26px}.copper{color:var(--accent);background:#b27b4e17}.ivory{background:#d9dfc416;color:#e4e3cc}.player strong{display:block;font-size:12px;font-weight:500}.player small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.turn-tag{font-size:7px;letter-spacing:1px;color:var(--muted);margin-left:5px;padding:5px 7px;border-radius:3px}.turn-tag.active{background:#b9c6a81a;color:#c3d4b7}.captured{margin-left:auto;color:var(--accent);font-size:20px;letter-spacing:0}#stage{height:470px;position:relative;isolation:isolate}canvas{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:none}.stage-glow{position:absolute;width:80%;height:70%;left:10%;top:10%;background:radial-gradient(ellipse,#60705026,transparent 70%);z-index:-1}#loading{position:absolute;inset:45% 0;text-align:center;color:var(--muted);font-size:12px}.view-label,.view-reset{position:absolute;bottom:12px;font-size:8px;letter-spacing:1.4px;z-index:2;color:var(--muted)}.view-label{left:5px;display:flex;align-items:center;gap:7px}.view-reset{right:5px;border:1px solid #ffffff1a;padding:8px 10px;border-radius:4px;background:#182421aa}.board-footer{display:flex;align-items:center;gap:17px;padding:18px 3px;font-size:10px;color:var(--muted)}.board-footer>span{margin-right:auto}.board-footer button{font-size:10px;color:#bac3b8}.mouse-icon{font-size:16px;margin-right:7px;color:var(--accent)}aside{border:1px solid var(--line);border-radius:12px;background:linear-gradient(145deg,#27362fbb,#1e2b26aa);padding:24px;margin-top:3px;align-self:start}.panel-top{display:flex;align-items:center;justify-content:space-between}.small-star{color:var(--accent);font-size:23px}h2{font-family:'Playfair Display',Georgia,serif;font-size:25px;font-weight:500;letter-spacing:-.6px;margin:13px 0 8px}.muted{color:var(--muted);font-size:11px;margin:0 0 25px}.mode-switch{display:flex;padding:4px;background:#14201c;border:1px solid #ffffff08;border-radius:7px}.mode-switch button{font-size:10px;flex:1;padding:10px 3px;border-radius:4px;color:var(--muted)}.mode-switch .selected{background:#3b4b40;color:#f0ede2;box-shadow:0 2px 6px #0002}.setting-row{display:flex;align-items:center;justify-content:space-between;margin:19px 0;color:#adb7aa;font-size:11px}select{color:var(--text);background:#25352d;border:1px solid #ffffff15;border-radius:4px;padding:7px;font-size:10px;max-width:145px}.status-box{background:#b3c3970a;border:1px solid #b6c99820;padding:16px 12px;display:flex;gap:12px;align-items:center;border-radius:6px}.status-orb{width:9px;height:9px;box-shadow:0 0 0 5px #b1c2940c;background:#bacb9e;border-radius:50%}.status-box strong{display:block;font-size:12px;font-weight:500}.status-box small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.history-head{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1.3px;color:var(--muted);margin:24px 0 13px}.history-head span:last-child{letter-spacing:0}#history{height:147px;overflow:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#64765b transparent}.empty{text-align:center;padding:15px;color:#8e9f91}.empty>span{font-size:28px;opacity:.5}.empty p{font-family:Georgia,serif;font-style:italic;font-size:13px;line-height:1.5;margin:6px 0}.empty small{font-size:9px;color:#71867a}.move-row{display:grid;grid-template-columns:30px 1fr 1fr;align-items:center;padding:9px 10px;font-size:12px}.move-row:nth-child(even){background:#ffffff04}.move-row>span:first-child{color:#829487;font-size:10px}.move-row:last-child{color:#dfb38b}.tools{display:flex;gap:10px;margin:15px 0}.tools button{flex:1;padding:10px;border:1px solid #ffffff1c;border-radius:5px;color:#c5cabb}.tools span{font-size:10px;margin-left:7px}.new-game{background:var(--accent);color:#26352c;border-radius:5px;padding:13px 16px;width:100%;text-align:left;font-size:11px;font-weight:600;display:flex;justify-content:space-between;align-items:center}.new-game span{font-size:19px}.save-note{color:#7e9284;font-size:8px;margin:13px 0 20px;text-align:center}.save-note .live-dot{width:4px;height:4px;margin-right:4px;background:#7e9284}.quote{padding-top:17px;border-top:1px solid var(--line);font-family:Georgia,serif;font-size:14px;font-style:italic;line-height:1.7;color:#abb6a5;text-align:center}.quote span{display:block;font:7px 'DM Sans',sans-serif;color:#708678;letter-spacing:1.7px;margin-top:9px}footer{max-width:1292px;margin:0 auto;padding:20px 0 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:#72877a;font-size:9px;letter-spacing:1px}footer>span:first-child{letter-spacing:2px;color:#a4b09e;font-size:10px}footer i{font-size:7px}footer .small-star{font-size:14px;margin-left:15px}dialog{color:var(--text);background:#26372e;border:1px solid #ffffff25;border-radius:12px;padding:34px;max-width:460px;width:calc(100% - 32px);box-shadow:0 30px 100px #0008}dialog::backdrop{background:#0a1715bc;backdrop-filter:blur(8px)}dialog p{font-size:13px;color:#bcc8b8;line-height:1.7}.close{position:absolute;right:16px;top:12px;font-size:25px;color:var(--muted)}.dialog-actions{display:flex;gap:20px;align-items:center;margin-top:25px}.cancel{white-space:nowrap;font-size:12px}#promotion-options{display:flex;justify-content:space-between;margin-top:20px}#promotion-options button{font-size:40px;padding:10px;border:1px solid #ffffff24;border-radius:5px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:.3s;background:#e3ddc9;color:#25352b;padding:14px 22px;border-radius:7px;font-size:12px;z-index:10;box-shadow:0 8px 40px #0004}#toast.show{opacity:1;transform:translate(-50%,0)}@media(min-width:1450px){main{padding-top:50px}#stage{height:520px}}@media(max-width:1100px){header{padding:0 30px}.brand-sub{display:none}main{gap:24px;padding:30px;grid-template-columns:minmax(0,1fr) 290px}h1{font-size:31px}.edition{display:none}#stage{height:410px}aside{padding:20px}footer{margin:0 30px}}@media(max-width:800px){header{height:75px;padding:0 22px}.brand{font-size:17px;letter-spacing:3px}.desktop-label{display:none}.header-right{gap:8px}.icon:first-of-type{margin-left:0}.header-right>.live-dot{display:none}main{display:flex;flex-direction:column;padding:27px 18px 20px;gap:14px}.eyebrow{font-size:8px;letter-spacing:1.5px}h1{font-size:32px;margin-bottom:22px}.player{padding:12px 5px}#stage{height:clamp(320px,91vw,540px)}.board-footer{gap:12px;font-size:9px;line-height:1.6}.board-footer button{font-size:9px}.board-footer>span{max-width:180px}aside{width:100%;padding:22px;margin:0}.quote{display:none}#history{height:120px}.save-note{margin-bottom:0}footer{margin:0 18px;padding:18px 0;font-size:8px}footer>span:last-child{display:none}.muted{margin-bottom:20px}.captured{font-size:16px}.view-label{bottom:3px}.view-reset{bottom:3px}}

/* Approved 3D CHESS brand artwork. Keep intrinsic aspect ratio on every device. */
.brand{flex-shrink:0;line-height:0;letter-spacing:0}.brand-logo{display:block;width:222px;height:auto;max-width:100%;object-fit:contain}.footer-brand{display:block;line-height:0}.footer-brand img{display:block;width:111px;height:auto;object-fit:contain}@media(max-width:800px){.brand-logo{width:174px}header{gap:12px}.header-right{flex-shrink:0}.footer-brand img{width:96px}}@media(max-width:350px){.brand-logo{width:144px}header{padding:0 14px}}
/* Language controls and resilient sizing for the ten localisations. */
.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}.language-picker{display:flex;align-items:center}.language-picker select{width:105px;max-width:105px;font-size:11px;background:#23372e;cursor:pointer;padding:8px 6px}.header-right{flex-shrink:0}.header-right .icon:first-of-type{margin-left:0}.quote .quote-text{font:italic 14px/1.7 Georgia,serif;letter-spacing:0;margin:0;color:#abb6a5;white-space:pre-line}.empty p{white-space:pre-line}.mode-switch button{overflow-wrap:anywhere;line-height:1.5;min-height:40px}.setting-row{gap:10px}.turn-tag{white-space:nowrap}.edition>span:first-child{font-size:inherit;color:inherit;margin:0}.board-footer button{white-space:nowrap}.status-box strong{line-height:1.5}.player>div{min-width:0}.player small{line-height:1.4}.save-note{line-height:1.6}.dialog-actions{flex-wrap:wrap}.dialog-actions .new-game{flex:1;min-width:140px}html[lang="it"] aside h2{font-size:23px}@media(max-width:1250px){.header-line{display:none}}@media(max-width:800px){header{padding:0 18px;gap:8px}.brand-logo{width:156px}.header-right{gap:6px}.header-right .icon{width:30px;height:30px}.language-picker select{width:80px;max-width:80px;font-size:10px}.board-footer{flex-wrap:wrap}.board-footer>span{flex:1;min-width:140px}.turn-tag{font-size:6px;margin-left:0;padding:5px}.player{gap:8px}.captured{max-width:30%;overflow-wrap:anywhere}}@media(max-width:380px){header{padding:0 12px}.brand-logo{width:126px}.language-picker select{width:74px;max-width:74px}.header-right .icon{width:28px;height:28px}.player small{font-size:9px}.captured{font-size:14px}}

html,body{min-height:0}html:fullscreen,html:fullscreen body{min-height:100vh}