:root{font-family:system-ui,-apple-system,sans-serif;color:#292538;background:#f4f3f9;--silicio-board-light:#f0edf5;--silicio-board-dark:#8892ad}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{min-height:44px;border:1px solid #d7d2e3;background:#fff;color:#332659;padding:10px 16px;border-radius:12px;font-weight:650;cursor:pointer}button:hover{background:#efebfb}button:disabled{opacity:.5;cursor:default}.primary{background:#6946df;color:#fff;border-color:#6946df}.primary:hover{background:#5030b4}:focus-visible{outline:3px solid #825bfa;outline-offset:3px}[hidden]{display:none!important}header{background:#1b172b;color:#fff;padding:20px max(20px,calc((100vw - 1340px)/2));display:flex;justify-content:space-between;gap:16px;align-items:center}.brand{display:flex;gap:12px;align-items:center}.brand-mark{color:#b9a5ff;font-size:38px;border:1px solid #8064d7;border-radius:14px;width:52px;height:52px;text-align:center}.brand strong{display:block;font-size:19px}.brand small{display:block;color:#d1c9e6;margin-top:3px}.local{font-size:13px;color:#d1c9e6}main{max-width:1380px;margin:auto;padding:24px}.welcome{max-width:650px;padding:40px 0 56px}.eyebrow{letter-spacing:.12em;font-size:12px;font-weight:750;color:#7150b4}h1{font-family:Georgia,serif;font-size:clamp(42px,6vw,72px);line-height:1.08;margin:16px 0 24px;font-weight:500}.welcome>p:not(.eyebrow){max-width:490px;line-height:1.65}.welcome button{margin:12px 8px 8px 0}.quiet{color:#6e687d;font-size:13px;line-height:1.55}.document-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.document-bar strong{display:block;overflow-wrap:anywhere}.document-bar small{color:#6e687d}.range-card{background:#fff;border:1px solid #dfdbe8;border-radius:18px;padding:18px;display:flex;flex-wrap:wrap;gap:14px;align-items:end}.range-fields{display:flex;gap:12px}label{display:block;font-size:13px;font-weight:650}input,select{display:block;border:1px solid #c6bfd5;border-radius:9px;padding:10px;background:#fff;color:#292538;min-height:44px;max-width:100%}input[type=number]{width:110px}input[type=checkbox]{display:inline;min-height:0;width:auto}select{width:100%}details{width:100%;border-top:1px solid #eeeaf4;padding-top:12px}summary{cursor:pointer;font-size:14px}details label{margin-top:12px;max-width:400px}.notice{padding:16px 2px;line-height:1.5;font-size:14px}progress{width:100%;height:7px;accent-color:#6946df}.desk{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:20px;align-items:start}.paper-panel,.review-panel{background:#fff;border:1px solid #dfdbe8;border-radius:18px;padding:16px;min-width:0}.paper-panel{position:sticky;top:12px}.toolbar{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin-bottom:12px}.toolbar button{padding:6px 13px;font-size:22px}.toolbar label{display:flex;gap:6px;align-items:center}.toolbar input{width:72px;padding:7px}.toolbar span{font-size:13px}#paper-scroll{overflow:auto;background:#dedce7;height:min(70vh,830px);border-radius:8px;overscroll-behavior:contain}#paper{position:relative;margin:auto;width:max-content;line-height:0}#pdf-canvas{display:block}#highlight{position:absolute;border:2px solid #b35241;background:#ff816030;pointer-events:none}#board{width:min(100%,410px);aspect-ratio:1;margin:20px auto 30px;position:relative}.board-controls{justify-content:space-between}.board-controls button{font-size:19px}#move-label{flex:1;text-align:center;min-width:80px}.badge{background:#f2eafa;border-radius:8px;padding:8px 10px;font-size:13px;line-height:1.5}#moves{max-height:170px;overflow:auto;display:flex;flex-wrap:wrap;gap:4px;margin-bottom:12px}#moves button{padding:6px 9px;border-color:transparent;min-height:38px;font-size:14px}#moves button.selected{background:#e8e0ff;border-color:#8767cb}#moves button.doubt{border-bottom:2px solid #d86c55}#review-card{margin-top:14px;background:#f5f1fb;border-radius:12px;padding:16px}#source-text{font-family:Georgia,serif;line-height:1.65;overflow-wrap:anywhere}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}#review-card input{width:100%;margin-top:6px}.export-card{border-top:1px solid #e1dce9;margin-top:20px;padding-top:12px;font-size:13px;line-height:1.5}.export-card button{width:100%}#empty{padding:60px 18px;text-align:center;color:#777080}#empty h2{font-size:20px;font-weight:550;color:#332750}.empty-icon{font-size:64px;color:#8563d2}.library{margin-top:30px;border-top:1px solid #ded9e8;padding-top:14px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px}h2{font-size:21px}#saved-games{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.saved-card{padding:16px;background:#fff;border:1px solid #ded9e8;border-radius:12px}.saved-card strong{display:block;margin-bottom:8px}.saved-card p{font-size:13px;color:#6e687d}#error{padding:16px;border:1px solid #ab433d;border-radius:12px;color:#8d2525;background:#fff2ef}footer{padding:28px;text-align:center;font-size:12px;color:#777080}
piece.white.king{background-image:url('pieces/wK.svg')}piece.white.queen{background-image:url('pieces/wQ.svg')}piece.white.rook{background-image:url('pieces/wR.svg')}piece.white.bishop{background-image:url('pieces/wB.svg')}piece.white.knight{background-image:url('pieces/wN.svg')}piece.white.pawn{background-image:url('pieces/wP.svg')}piece.black.king{background-image:url('pieces/bK.svg')}piece.black.queen{background-image:url('pieces/bQ.svg')}piece.black.rook{background-image:url('pieces/bR.svg')}piece.black.bishop{background-image:url('pieces/bB.svg')}piece.black.knight{background-image:url('pieces/bN.svg')}piece.black.pawn{background-image:url('pieces/bP.svg')}
@media(max-width:760px){header{padding:14px 16px}.local{display:none}main{padding:16px}.welcome{padding-top:25px}.desk{grid-template-columns:1fr;gap:14px}.paper-panel{position:static;padding:10px}#paper-scroll{height:38vh;min-height:210px}.review-panel{padding:16px}#board{width:min(100%,330px)}.range-card{padding:14px}.range-fields{flex:1}.range-fields label{flex:1}input[type=number]{width:100%}.range-card>.primary{width:100%}.toolbar{gap:5px}.toolbar label input{width:60px}.toolbar button{min-width:40px}.document-bar button{flex-shrink:0}#moves{max-height:135px}}
@media(max-height:520px) and (min-width:600px){.desk{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}#paper-scroll{height:70vh}.paper-panel{position:sticky}#board{max-width:240px}.brand-mark{height:40px;font-size:29px;width:40px}header{padding:10px 16px}}
#board coords{position:absolute;display:flex;font:12px system-ui;color:#625b74}#board coords.ranks{left:-16px;top:0;bottom:0;width:14px}#board coords.files{left:0;right:0;bottom:-21px;height:18px}
#recent-jobs button{margin:0 8px 8px 0;max-width:100%;overflow-wrap:anywhere;text-align:left}
#review-card #error{font-size:13px;padding:10px;margin:10px 0 0}#correction[aria-invalid=true]{border-color:#ab433d}
@media(max-width:400px){.paper-panel .toolbar{flex-wrap:nowrap;gap:4px}.paper-panel .toolbar label{font-size:0;gap:0}.paper-panel .toolbar input{font-size:14px;width:44px}.paper-panel .toolbar button{min-width:34px;padding:5px 9px}.paper-panel .toolbar span{font-size:12px}}
@media(max-width:760px) and (min-height:521px){.paper-panel{position:sticky;top:0;z-index:5;box-shadow:0 5px 14px #25173d12}#paper-scroll{height:26vh;min-height:170px}.paper-panel>.quiet{display:none}.review-panel{padding-top:18px}}
@media(max-height:520px) and (min-width:480px){.desk{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.paper-panel{position:sticky;top:6px}#paper-scroll{height:calc(100dvh - 135px);min-height:110px}.paper-panel>.quiet{display:none}.paper-panel .toolbar{gap:4px}.paper-panel .toolbar label{font-size:0;gap:0}.paper-panel .toolbar input{font-size:13px;width:46px}.paper-panel .toolbar button{min-width:32px;padding:4px 7px}.paper-panel .toolbar span{font-size:12px}.review-panel{padding:10px}#board{width:min(100%,220px);margin-top:12px}.badge{font-size:11px;padding:6px}.board-controls{gap:4px}.board-controls button{min-width:32px;padding:4px 7px}}
@media(max-width:480px) and (max-height:540px){.editing-move .paper-panel{position:sticky;top:0;z-index:5;padding:6px;box-shadow:0 5px 14px #25173d12}.editing-move .paper-panel .toolbar{margin-bottom:4px}.editing-move #paper-scroll{height:24vh;min-height:90px}.editing-move .paper-panel>.quiet,.editing-move #source-text{display:none}.editing-move #review-card{padding:12px}.editing-move #review-title{font-size:13px}.editing-move #review-card .actions{gap:6px}.editing-move #review-card .actions button{flex:1;min-width:0;padding:6px;font-size:12px}}
.diagram-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.diagram-choice{position:absolute;border:3px solid #bd604d;background:#d7caff40;border-radius:2px;padding:4px;display:flex;align-items:start;justify-content:center;font-size:12px;color:#281c4d;text-shadow:0 1px #fff;line-height:1.2}.diagram-choice:hover{background:#d7caff70}#diagram-board{width:calc(100% - 24px);max-width:340px;aspect-ratio:1;position:relative;margin:18px auto 30px}#diagram-board coords{position:absolute;display:flex;font:12px system-ui;color:#625b74}#diagram-board coords.ranks{left:-16px;top:0;bottom:0;width:14px}#diagram-board coords.files{left:0;right:0;bottom:-21px;height:18px}#piece-palette{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}#piece-palette button{min-width:0;padding:4px;min-height:42px}#piece-palette img{width:28px;height:28px}#piece-palette .selected{background:#e5dbff;border-color:#7651c7}#diagram-review>label{margin:12px 0}#diagram-start{white-space:normal}#diagram-message,#diagram-error{font-size:13px;line-height:1.5}#diagram-error{color:#8d2525;background:#fff2ef;padding:10px;border-radius:8px}#diagram-review .confirm-diagram{line-height:1.6}#diagram-review h2{font-size:19px}#use-diagram{width:100%}#diagram-board{user-select:none;-webkit-tap-highlight-color:transparent}#diagram-board cg-board{touch-action:pan-y}
#correction-pieces{display:flex;gap:5px;margin-top:10px;flex-wrap:wrap}#correction-pieces button{padding:4px 8px;min-width:40px;font-size:24px;min-height:44px}#correction-pieces button:last-child{font-size:12px}#diagram-review select{min-width:0;width:100%}
@media(max-height:520px) and (min-width:480px){#diagram-board{max-width:220px}#diagram-review .section-title h2{font-size:16px}#diagram-message{font-size:12px}.diagram-actions button{font-size:12px;padding:6px 9px}.diagram-actions{margin-top:6px}}

.language-setting{max-width:320px;margin:24px auto 0;text-align:left;gap:8px}.language-setting select{width:100%;min-height:44px}.welcome-icon{width:108px;height:108px;object-fit:cover;border-radius:24px;margin:0 auto 12px;display:block}