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minmax(330px,410px);align-items:start;gap:clamp(24px,5vw,76px);display:grid}.viewer-stage,.viewer-rail,.viewer-card,.viewer-board-card{min-width:0}.viewer-stage-header{max-width:680px;margin-bottom:20px}.viewer-kicker,.viewer-card-kicker{color:#d9a765;margin:0 0 10px;font-weight:700}.viewer-stage-header h1{color:#f7f0e4;letter-spacing:-.075em;max-width:630px;font-family:Iowan Old Style,Palatino Linotype,Georgia,serif;font-size:clamp(2.5rem,6vw,5.4rem);font-weight:500;line-height:.92}.viewer-intro{color:#aab6b4;max-width:520px;margin-top:18px;font-size:clamp(.88rem,1.7vw,1.02rem);line-height:1.6}.viewer-board-card{background:linear-gradient(145deg,#1e2523f0,#0f1516f5);border:1px solid #ceb79538;padding:clamp(10px,1.5vw,16px);box-shadow:0 28px 80px #00000057,inset 0 1px #fff8e912}.viewer-board-toolbar{padding:2px 4px 12px;font-size:.61rem}.viewer-board-label{color:#f0e6d6;font-weight:700}.viewer-board-frame{background:#080c0d;border:1px solid #f0cd9b57;width:min(100%,800px);margin:0 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3px #5d311db8,0 0 10px #fffcf033}.viewer-piece.piece-black{color:#172628;-webkit-text-stroke:.65px #efddbea8;text-shadow:0 2px #fff4dc33,0 0 7px #040d1147}.viewer-coordinate{z-index:2;color:#192725ad;pointer-events:none;-webkit-user-select:none;user-select:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(.45rem,1vw,.66rem);font-weight:700;line-height:1;position:absolute}.viewer-board-square.is-dark .viewer-coordinate{color:#f0e7d5b3}.viewer-rank{top:5px;left:5px}.viewer-file{bottom:4px;right:5px}.viewer-board-state{color:#c1ceca;letter-spacing:.015em;min-height:1.15em;margin:12px 4px 1px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.69rem}.viewer-rail{gap:14px;display:grid;position:sticky;top:22px}.viewer-card{background:#151d1ddb;border:1px solid #b2bfb52e;padding:18px;box-shadow:0 15px 38px #00000029,inset 0 1px #ffffff09}.viewer-match-card{background:radial-gradient(circle at 100% 0,#d1964e21,#0000 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strong{color:#f1c17e;letter-spacing:.02em;text-align:right;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.76rem}.viewer-meta-list{gap:11px;margin:17px 0 0;padding:0;display:grid}.viewer-meta-list div{grid-template-columns:72px minmax(0,1fr);gap:12px;min-width:0;display:grid}.viewer-meta-list dt,.viewer-meta-list dd{min-width:0;margin:0}.viewer-meta-list dd{color:#d0d9d5;text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;overflow:hidden}.viewer-card-heading{align-items:flex-start;margin-bottom:15px}.viewer-card-heading h2{color:#f1eee7;letter-spacing:-.025em;font-family:Iowan Old Style,Palatino Linotype,Georgia,serif;font-size:1.25rem;font-weight:500}.viewer-transport-status{color:#efbc78;border:1px solid #d9a76552;border-radius:999px;flex:none;padding:5px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.62rem}.viewer-transport-buttons{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.viewer-shell button,.viewer-shell 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label{color:#d6dfd9;font-size:inherit;letter-spacing:inherit;text-transform:inherit}.viewer-shell input[type=range]{accent-color:#d69d5c;cursor:pointer;width:100%;min-height:0;padding:0}.viewer-transport-options{align-items:end;margin-top:16px}.viewer-secondary-button{min-width:104px;background:0 0!important}.viewer-speed-field{gap:6px;min-width:90px;font-size:.59rem;display:grid}.viewer-speed-field select{color:#e6ebe5;letter-spacing:0;text-transform:none;min-height:36px;padding:6px 8px;font-size:.76rem}.viewer-current-move{color:#99aaa5;min-height:1.1em;margin:15px 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.68rem}.viewer-moves-card{overflow:hidden}.viewer-move-list{scrollbar-color:#53615d transparent;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:270px;margin:0;padding:0 4px 2px 0;list-style:none;display:grid;overflow:hidden 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0;font-size:.68rem;line-height:1.45}.viewer-import-panel{border-top:1px solid #b2bfb526;gap:9px;margin-top:8px;padding-top:14px;display:grid}.viewer-import-panel textarea{resize:vertical;color:#dbe5dd;text-transform:none;min-height:130px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;line-height:1.45}.viewer-import-actions{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:7px;display:grid}.viewer-file-button{color:#e6ebe5;cursor:pointer;letter-spacing:0;text-transform:none;border:1px solid #b2bfb538;border-radius:7px;place-items:center;min-height:42px;padding:8px 10px;font-size:.75rem;font-weight:700;display:grid}.viewer-file-button:hover{background:#d1964e1f;border-color:#efbc78a3}.viewer-file-button input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.viewer-import-chooser{background:#d1964e0f;border:1px solid #d9a76540;gap:8px;padding:10px;display:grid}.viewer-import-chooser select{min-height:38px;font-size:.72rem}.viewer-import-game-errors{color:#ff9987;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.66rem;line-height:1.45}.viewer-import-game-errors p{margin:0}.viewer-import-status{color:#8fa19a;min-height:1.2em;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.68rem;line-height:1.45}.viewer-import-status[data-state=loading]{color:#efbc78}.viewer-import-status[data-state=ready]{color:#91cba5}.viewer-import-status[data-state=error]{color:#ff9987}.viewer-footer{border-top:1px solid #b2bfb524;align-items:baseline;margin-top:30px;padding-top:17px;font-size:.59rem}.viewer-footer>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.viewer-footer a{flex:none;font-size:.59rem}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.viewer-page *,.viewer-page :before,.viewer-page :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=1040px){.viewer-layout{grid-template-columns:minmax(0,1fr) minmax(290px,350px);gap:24px}.viewer-shell{width:min(100% - 32px,1440px)}}@media (width<=820px){.viewer-topbar{margin-bottom:34px}.viewer-layout{grid-template-columns:1fr}.viewer-rail{grid-template-columns:repeat(2,minmax(0,1fr));display:grid;position:static}.viewer-moves-card,.viewer-library-card{grid-column:1/-1}}@media (width<=560px){.viewer-shell{width:calc(100% - 24px);padding-top:14px}.viewer-topbar{align-items:flex-start;margin-bottom:30px}.viewer-nav a{text-align:right;max-width:105px;font-size:.58rem;line-height:1.35;display:block}.viewer-stage-header h1{font-size:clamp(2.65rem,15vw,4.5rem)}.viewer-intro{margin-top:14px;font-size:.86rem}.viewer-board-card{padding:8px}.viewer-rail{grid-template-columns:1fr}.viewer-moves-card,.viewer-library-card{grid-column:auto}.viewer-card,.viewer-match-card{padding:15px}.viewer-transport-buttons{gap:4px}.viewer-import-actions{grid-template-columns:1fr}.viewer-icon-button,.viewer-play-button{padding-left:3px;padding-right:3px}.viewer-footer{flex-direction:column;align-items:flex-start;gap:9px}}