@import "https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Playfair+Display:wght@600;700&display=swap";:root{color:#17231e;font-synthesis:none;text-rendering:optimizelegibility;--ink:#17231e;--ink-soft:#526059;--forest:#173f34;--forest-hover:#0f332a;--forest-soft:#dce9e2;--paper:#f8f6f0;--paper-strong:#fffdf8;--canvas:#ede9df;--line:#d8d3c8;--line-soft:#e8e4db;--gold:#b8914e;--gold-soft:#eee2c8;--rust:#a04732;--white-result:#ece8df;--draw-result:#b69f70;--black-result:#26352f;--shadow:0 20px 55px #1e2d251c;background:#ede9df;font-family:Manrope,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 6% 0%, #b8914e24, transparent 26rem), radial-gradient(circle at 95% 22%, #173f341a, transparent 30rem), var(--canvas);min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button,a,select,input[type=file]{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #b8914e8c}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink)}.app-shell{min-height:100vh}.app-header{border-bottom:1px solid #17231e1f;justify-content:space-between;align-items:center;gap:24px;width:min(1460px,100% - 48px);min-height:88px;margin:0 auto;display:flex}.brand{color:inherit;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand>span:last-child{display:grid}.brand strong{font-family:Playfair Display,Georgia,serif;font-size:20px;line-height:1.05}.brand small{color:var(--ink-soft);letter-spacing:.16em;text-transform:uppercase;margin-top:4px;font-size:10px;font-weight:700}.app-mark{color:#f8f1df;background:var(--forest);border-radius:13px;place-items:center;width:42px;height:42px;display:grid;box-shadow:inset 0 0 0 1px #ffffff1f,0 7px 18px #173f342e}.app-mark span{font-family:Georgia,serif;font-size:28px;transform:translateY(-1px)}.header-actions{align-items:center;gap:14px;display:flex}.header-start-button{box-shadow:inset 0 0 0 1px #173f3414}.connection-state{color:var(--ink-soft);align-items:center;gap:7px;font-size:12px;font-weight:700;display:inline-flex}.connection-state>span{background:#9a9489;border-radius:50%;width:7px;height:7px}.connection-state.is-connected>span{background:#2d7b5c;box-shadow:0 0 0 4px #2d7b5c1f}.primary-button,.secondary-button,.text-button,.icon-button,.flip-button,.navigation-buttons button{cursor:pointer;border:0}.primary-button,.secondary-button{border-radius:11px;min-height:42px;padding:0 17px;font-size:13px;font-weight:700;transition:transform .15s,background .15s,box-shadow .15s}.primary-button{color:#fffdf7;background:var(--forest);box-shadow:0 8px 18px #173f3429}.primary-button:hover:not(:disabled){background:var(--forest-hover);transform:translateY(-1px)}.secondary-button{color:var(--forest);background:var(--forest-soft)}.secondary-button:hover:not(:disabled){background:#cfdfd6}.primary-button:disabled,.secondary-button:disabled{opacity:.58;cursor:wait}.compact-button{min-height:36px;padding-inline:13px;font-size:12px}.text-button{color:var(--forest);text-underline-offset:3px;background:0 0;padding:4px 0;font-size:12px;font-weight:700;-webkit-text-decoration:underline #173f3440;text-decoration:underline #173f3440}.text-button:hover{text-decoration-color:currentColor}main{width:min(1460px,100% - 48px);margin:0 auto}.intro{grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:end;gap:56px;padding:42px 0 34px;display:grid}.eyebrow{color:var(--gold);letter-spacing:.15em;text-transform:uppercase;margin-bottom:8px;font-size:10px;font-weight:700;line-height:1.4;display:block}.intro h1{letter-spacing:-.035em;max-width:760px;margin-bottom:0;font-family:Playfair Display,Georgia,serif;font-size:clamp(34px,4.2vw,64px);line-height:.98}.intro p{max-width:550px;color:var(--ink-soft);margin-bottom:4px;font-size:15px;line-height:1.7}.intro-side{max-width:560px}.intro-actions{flex-wrap:wrap;align-items:center;gap:9px;margin-top:17px;display:flex}.source-explainer{color:#747c77;max-width:520px;margin-top:10px;font-size:9px;line-height:1.55;display:block}.workspace{grid-template-columns:minmax(430px,.96fr) minmax(520px,1.04fr);align-items:start;gap:clamp(26px,3.6vw,56px);padding-bottom:72px;display:grid}.board-column{min-width:0}.game-context{justify-content:space-between;align-items:end;gap:20px;min-height:58px;margin-bottom:14px;display:flex}.game-context>div:first-child{min-width:0}.game-context h2{text-overflow:ellipsis;white-space:nowrap;margin:0;font-family:Playfair Display,Georgia,serif;font-size:clamp(20px,2vw,28px);line-height:1.1;overflow:hidden}.context-status{color:var(--ink-soft);flex:none;justify-items:end;gap:5px;font-size:12px;font-weight:700;display:grid}.context-status .is-alert{color:var(--rust)}.branch-badge{color:#75591d;background:var(--gold-soft);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:4px 8px;font-size:9px}.source-badge{letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:4px 8px;font-size:9px}.source-badge.is-chesscom{color:#345326;background:#dfead4}.imported-opening{min-width:0;color:var(--ink-soft);align-items:center;gap:7px;margin-top:7px;font-size:9px;display:flex}.imported-opening>span{color:#f8f1df;background:var(--forest);letter-spacing:.04em;border-radius:999px;flex:none;padding:3px 7px;font-family:DM Mono,monospace;font-size:8px;font-weight:500}.imported-opening a,.imported-opening strong{min-width:0;color:var(--ink-soft);text-overflow:ellipsis;white-space:nowrap;font-size:9px;font-weight:700;text-decoration:none;overflow:hidden}.imported-opening a:hover{color:var(--forest);text-decoration:underline}.board-stack{width:100%}.player-bar{min-height:38px;color:var(--ink-soft);align-items:center;gap:9px;padding:0 6px;font-size:12px;display:flex}.player-bar.is-active{color:var(--ink)}.player-token{border-radius:6px;width:18px;height:18px;box-shadow:0 1px 2px #141e1929}.player-token.is-white{background:#fffdf7;border:1px solid #c7c2b7}.player-token.is-black{background:#283a32;border:1px solid #1c2c25}.player-name{text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.player-rating{color:#7c847f}.turn-indicator{color:var(--forest);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:5px;margin-left:auto;font-size:10px;font-weight:700;display:inline-flex}.turn-indicator:before{content:"";background:#2d7b5c;border-radius:50%;width:6px;height:6px}.chessboard{aspect-ratio:1;background:#20342c;border:8px solid #20342c;border-radius:6px;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);width:100%;display:grid;overflow:hidden;box-shadow:0 22px 50px #1a272133,0 3px 7px #1a27212e}.board-square{cursor:pointer;border:0;border-radius:0;place-items:center;min-width:0;min-height:0;padding:0;display:grid;position:relative}.board-square.is-light{color:#536a55;background:#e6d7b5}.board-square.is-dark{color:#e3d3aa;background:#6f8669}.board-square.is-last-move:before{content:"";background:#deb13759;position:absolute;inset:0}.board-square.is-selected:after{content:"";border:clamp(2px,.35vw,4px) solid #fff9ded6;border-radius:8px;position:absolute;inset:7%;box-shadow:0 0 0 2px #1f44376b}.board-square.is-check:before{content:"";background:radial-gradient(circle,#b73a27c7 0,#b73a2761 42%,#0000 72%);position:absolute;inset:0}.chess-piece{z-index:2;-webkit-user-select:none;user-select:none;font-family:Segoe UI Symbol,"Noto Sans Symbols 2",Georgia,serif;font-size:clamp(30px,5.35vw,69px);line-height:1;position:relative;transform:translateY(-1%)}.piece-w{color:#fff9e9;text-shadow:0 2px 1px #4b5b50,1px 0 1px #4b5b50,-1px 0 1px #4b5b50}.piece-b{color:#17251f;text-shadow:0 1px #ffffff40}.legal-dot{z-index:3;aspect-ratio:1;pointer-events:none;background:#18372d6b;border-radius:50%;width:24%;position:absolute}.legal-capture{z-index:3;pointer-events:none;border:clamp(3px,.55vw,7px) solid #18372d6b;border-radius:50%;position:absolute;inset:8%}.file-coordinate,.rank-coordinate{z-index:4;pointer-events:none;font-size:clamp(8px,.85vw,11px);font-weight:800;line-height:1;position:absolute}.file-coordinate{bottom:4px;right:5px}.rank-coordinate{top:5px;left:5px}.board-toolbar{justify-content:space-between;align-items:center;gap:12px;margin-top:8px;display:flex}.navigation-buttons{border:1px solid var(--line);background:#fffdf8b3;border-radius:12px;align-items:center;padding:4px;display:inline-flex}.navigation-buttons button{width:38px;height:34px;color:var(--forest);background:0 0;border-radius:8px;font-family:Georgia,serif;font-size:21px;line-height:1}.navigation-buttons button:hover:not(:disabled){background:var(--forest-soft)}.navigation-buttons button:disabled{opacity:.28;cursor:default}.ply-counter{min-width:54px;color:var(--ink-soft);text-align:center;font-family:DM Mono,monospace;font-size:10px}.flip-button{color:var(--ink-soft);background:0 0;padding:8px 2px;font-size:11px;font-weight:700}.flip-button:hover{color:var(--forest)}.move-ribbon{scrollbar-width:thin;border:1px solid var(--line);background:#fffdf88f;border-radius:14px;gap:5px;margin-top:14px;padding:10px;display:flex;overflow-x:auto}.move-ribbon button{color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:8px;flex:none;padding:8px 10px;font-family:DM Mono,monospace;font-size:11px}.move-ribbon button:hover{color:var(--forest);background:var(--forest-soft)}.move-ribbon button.is-current{color:#fffdf7;background:var(--forest)}.branch-callout{color:#6b5a34;background:#f2e9d4;border:1px solid #ddcda8;border-radius:13px;justify-content:space-between;align-items:center;gap:14px;margin-top:12px;padding:12px 14px;font-size:11px;display:flex}.branch-callout .secondary-button{color:#604916;background:#e7d7b2;flex:none;min-height:34px;font-size:10px}.fen-row{color:var(--ink-soft);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;margin-top:11px;display:grid}.fen-row>span{letter-spacing:.12em;font-size:9px;font-weight:800}.fen-row code{text-overflow:ellipsis;white-space:nowrap;font-family:DM Mono,monospace;font-size:9px;overflow:hidden}.analysis-panel{min-width:0;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffdf8e0;border:1px solid #313d371a;border-radius:24px;overflow:hidden}.analysis-column{min-width:0}.analysis-view-switcher{background:#fffdf894;border:1px solid #313d371a;border-radius:14px;grid-template-columns:1fr 1fr;gap:5px;margin-bottom:10px;padding:5px;display:grid;box-shadow:0 8px 24px #1e2d250f}.analysis-view-switcher button{color:#69736d;letter-spacing:.02em;cursor:pointer;background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:38px;padding:8px 12px;font-size:10px;font-weight:800;display:inline-flex}.analysis-view-switcher button span{font-family:Georgia,serif;font-size:16px;font-weight:700}.analysis-view-switcher button.is-active{color:#f8f1df;background:var(--forest);box-shadow:0 6px 15px #173f342e}.kpk-panel{background:radial-gradient(circle at 100% 0,#b8914e1c,#0000 19rem),#fffdf8eb}.kpk-header{align-items:center}.kpk-exact-badge,.kpk-proof-chip,.kpk-move-count{color:var(--forest);background:var(--forest-soft);letter-spacing:.08em;text-transform:uppercase;border:1px solid #173f3421;border-radius:999px;flex:none;padding:6px 9px;font-size:8px;font-weight:800}.kpk-exact-badge{align-items:center;gap:5px;display:inline-flex}.kpk-exact-badge span{color:#fff;background:var(--forest);border-radius:50%;place-items:center;width:15px;height:15px;font-size:8px;display:grid}.kpk-empty-state{border-top:1px solid var(--line-soft);padding:30px 28px 34px}.kpk-empty-icon{width:54px;height:54px;color:var(--gold);background:#f7efdf;border:1px solid #d9ceb7;border-radius:17px;place-items:center;margin-bottom:18px;font-family:Georgia,serif;font-size:34px;display:grid}.kpk-empty-state h3{margin:6px 0 8px;font-family:Playfair Display,Georgia,serif;font-size:25px}.kpk-empty-state>p{color:var(--ink-soft);margin-bottom:8px;font-size:11px;line-height:1.6}.kpk-empty-explainer{max-width:490px}.kpk-sample-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:20px;display:grid}.kpk-sample-grid button{text-align:left;cursor:pointer;background:#ffffffad;border:1px solid #ddd8cd;border-radius:12px;gap:5px;min-width:0;padding:12px;display:grid}.kpk-sample-grid button:hover{background:#fff;border-color:#173f3459}.kpk-sample-grid strong{color:var(--forest);font-size:10px}.kpk-sample-grid span{color:#737c76;font-size:8px;line-height:1.4}.kpk-space-preview{color:#f8f1df;background:var(--forest);border-radius:13px;grid-template-columns:1fr auto;align-items:end;gap:2px 16px;margin-top:22px;padding:14px 16px;display:grid}.kpk-space-preview span{font-size:9px;font-weight:700}.kpk-space-preview strong{grid-row:span 2;font-family:DM Mono,monospace;font-size:21px}.kpk-space-preview small{color:#f8f1dfb3;font-size:7px}.kpk-verdict{background:#e8f0eb;border:1px solid #173f3421;border-radius:17px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:15px;margin:0 28px 24px;padding:20px;display:grid}.kpk-verdict.is-draw{background:#f3ead8;border-color:#b8914e3d}.kpk-verdict-symbol{color:#fff;background:var(--forest);border-radius:14px;place-items:center;width:46px;height:46px;font-family:DM Mono,monospace;font-size:25px;font-weight:500;display:grid}.kpk-verdict.is-draw .kpk-verdict-symbol{color:var(--ink);background:var(--gold-soft)}.kpk-verdict h3{margin:4px 0 5px;font-family:Playfair Display,Georgia,serif;font-size:25px}.kpk-verdict p{color:var(--ink-soft);margin:0;font-size:10px}.kpk-proof-distance{text-align:right;justify-items:end;gap:2px;width:104px;display:grid}.kpk-proof-distance strong{color:var(--forest);font-family:DM Mono,monospace;font-size:20px}.kpk-proof-distance span{color:var(--ink-soft);font-size:7px;line-height:1.35}.kpk-formula-section,.kpk-facts-section,.kpk-moves-section,.kpk-verification-section{border-top:1px solid var(--line-soft);padding:22px 28px}.kpk-proof-chip{color:#6f572e;background:#f4ead5;border-color:#dfcfad}.kpk-proof-chip.is-ok{color:var(--forest);background:var(--forest-soft);border-color:#173f3421}.kpk-proof-chip.is-error{color:#7b3024;background:#f3dfda;border-color:#dfbbb2}.kpk-formula{color:#e9f1ed;white-space:nowrap;background:#203b32;border:1px solid #d9e1dc;border-radius:11px;margin-top:16px;padding:14px 15px;font-family:DM Mono,monospace;font-size:10px;line-height:1.55;display:block;overflow-x:auto}.kpk-certificate{color:var(--ink-soft);margin:12px 0 0;font-size:10px;line-height:1.55}.kpk-legend{gap:6px;margin-top:12px;display:grid}.kpk-legend span{color:#6d7670;align-items:baseline;gap:8px;font-size:8px;display:flex}.kpk-legend strong{min-width:27px;color:var(--gold);font-family:DM Mono,monospace;font-size:10px}.kpk-fact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;display:grid}.kpk-fact-grid article{background:#ffffff8f;border:1px solid #e0dcd3;border-radius:12px;gap:4px;min-width:0;padding:12px 13px;display:grid}.kpk-fact-grid article>span{color:#8a8172;letter-spacing:.1em;text-transform:uppercase;font-size:7px;font-weight:800}.kpk-fact-grid strong{color:var(--ink);text-overflow:ellipsis;font-size:10px;overflow:hidden}.kpk-fact-grid small{color:#727b75;font-size:7px;line-height:1.45}.kpk-move-list{gap:7px;margin-top:16px;display:grid}.kpk-move-card{text-align:left;cursor:pointer;background:#ffffff94;border:1px solid #e0dcd3;border-radius:12px;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:11px;width:100%;min-width:0;padding:11px 12px;display:grid}.kpk-move-card:hover{background:#fff;border-color:#173f3452}.kpk-move-card.is-recommended{box-shadow:inset 3px 0 0 var(--forest);background:#f0f5f2;border-color:#173f3440}.kpk-move-san{color:var(--forest);font-family:DM Mono,monospace;font-size:14px;font-weight:500}.kpk-move-copy{gap:3px;min-width:0;display:grid}.kpk-move-copy strong{color:#3e4b45;font-size:8px;font-weight:700;line-height:1.45}.kpk-move-copy small{color:#7e867f;font-size:7px}.kpk-outcome-pill{text-transform:uppercase;border-radius:999px;padding:5px 7px;font-size:7px;font-weight:800}.kpk-outcome-pill.is-win{color:#f7f2e8;background:var(--forest)}.kpk-outcome-pill.is-draw{color:#69542e;background:var(--gold-soft)}.kpk-stats-grid{background:#f2f5f1;border:1px solid #d9ded9;border-radius:13px;grid-template-columns:repeat(4,1fr);margin-top:16px;display:grid;overflow:hidden}.kpk-stats-grid div{text-align:center;border-right:1px solid #d9ded9;gap:3px;min-width:0;padding:12px 8px;display:grid}.kpk-stats-grid div:last-child{border-right:0}.kpk-stats-grid strong{color:var(--forest);font-family:DM Mono,monospace;font-size:12px}.kpk-stats-grid span{color:#747d77;letter-spacing:.06em;text-transform:uppercase;font-size:6px;font-weight:700}.kpk-verification-copy,.kpk-lookup-note{color:var(--ink-soft);margin:12px 0 0;font-size:9px;line-height:1.6}.kpk-lookup-note{border-left:3px solid var(--gold);background:#f7f0e2;border-radius:0 8px 8px 0;padding:10px 12px}.kpk-history-note{color:#6f766f;background:#f3f0e9;border:1px solid #dfd8cb;border-radius:11px;gap:4px;margin:0 28px 22px;padding:12px 14px;font-size:8px;line-height:1.55;display:grid}.kpk-history-note strong{color:var(--ink-soft);font-size:9px}.kpk-history-note.is-warning{color:#715937;background:#f8ead3;border-color:#e1c9a3}.kpk-sample-strip{border-top:1px solid var(--line-soft);color:#7a827d;flex-wrap:wrap;align-items:center;gap:6px;padding:13px 28px 18px;font-size:7px;display:flex}.kpk-sample-strip button{color:var(--forest);cursor:pointer;background:#fff;border:1px solid #ded9cf;border-radius:999px;padding:5px 8px;font-size:7px;font-weight:700}.explorer-header{justify-content:space-between;align-items:start;gap:20px;padding:26px 28px 18px;display:flex}.explorer-header h2{margin:0;font-family:Playfair Display,Georgia,serif;font-size:30px;line-height:1}.data-source-map{color:#69726c;background:#f0f3ed;border:1px solid #d8ded5;border-radius:11px;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px;margin:0 28px 16px;padding:10px 12px;font-size:8px;display:grid}.data-source-map span:not(:nth-child(2)){gap:2px;display:grid}.data-source-map span:last-child{text-align:right}.data-source-map strong{color:var(--forest);font-size:9px}.data-source-map>span:nth-child(2){color:var(--gold);font-size:14px}.source-switch{background:#ebe8df;border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 28px;padding:4px;display:grid}.source-switch button{min-height:37px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:7px 12px;font-size:12px;font-weight:700}.source-switch button.is-active{color:var(--forest);background:var(--paper-strong);box-shadow:0 2px 8px #25302b1a}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:18px 28px 0;display:grid}.filter-grid label,.import-section label{min-width:0;color:var(--ink-soft);letter-spacing:.04em;gap:6px;font-size:10px;font-weight:700;display:grid}.filter-grid select,.filter-grid input,.compact-import input{border:1px solid var(--line);width:100%;min-height:40px;color:var(--ink);background:#fffdf8cc;border-radius:10px;padding:0 11px;font-size:12px}.filter-note{color:#7b817e;margin:10px 28px 22px;font-size:10px;line-height:1.5}.sample-warning{color:#6f5723;background:#f6eed7;border:1px solid #dbc896;border-radius:10px;margin:0 28px 4px;padding:10px 12px;font-size:10px;line-height:1.5}.database-status{color:#315d4c;background:#e9f1ec;border:1px solid #c9d8cf;border-radius:11px;align-items:center;gap:10px;margin:-10px 28px 22px;padding:10px 12px;display:flex}.database-status.is-missing{color:#755b21;background:#f6eed7;border-color:#dbc896}.database-status>span{color:#fff;background:#315d4c;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:0;display:grid}.database-status.is-missing>span{background:#755b21}.database-status>span:after{content:"✓";color:#fff;font-size:12px;font-weight:800}.database-status.is-missing>span:after{content:"!"}.database-status p{gap:2px;margin:0;display:grid}.database-status strong{font-size:10px}.database-status small{color:var(--ink-soft);font-size:9px;line-height:1.4}.auth-card{background:linear-gradient(135deg,#f5ecd7,#f7f4ea);border:1px solid #d6c49e;border-radius:18px;grid-template-columns:auto 1fr;gap:18px;margin:22px 28px 28px;padding:22px;display:grid}.auth-mark{color:#f8f2e3;background:var(--forest);border-radius:13px;place-items:center;width:46px;height:46px;font-family:Georgia,serif;font-size:30px;display:grid}.auth-card h3{margin-bottom:8px;font-family:Playfair Display,Georgia,serif;font-size:20px}.auth-card p{color:#636a65;margin-bottom:16px;font-size:11px;line-height:1.65}.loading-state{border-top:1px solid var(--line-soft);min-height:250px;color:var(--ink-soft);align-content:center;place-items:center;gap:12px;margin:0 28px 28px;font-size:12px;display:grid}.loading-knight{color:var(--forest);font-family:Georgia,serif;font-size:42px;animation:1.25s ease-in-out infinite knight-pulse}@keyframes knight-pulse{50%{opacity:.6;transform:translateY(-4px)}}.error-state{color:#7b3024;background:#f3dfda;border-radius:12px;gap:5px;margin:6px 28px 28px;padding:16px;font-size:11px;line-height:1.5;display:grid}.position-summary,.moves-section,.games-section,.engine-section{border-top:1px solid var(--line-soft);padding:22px 28px}.position-title-row,.section-heading-row{justify-content:space-between;align-items:start;gap:20px;display:flex}.opening-code{color:var(--gold);margin-bottom:5px;font-family:DM Mono,monospace;font-size:10px;font-weight:500;display:block}.position-title-row h3,.section-heading-row h3{margin:0;font-family:Playfair Display,Georgia,serif;font-size:21px;line-height:1.2}.game-total{flex:none;justify-items:end;display:grid}.game-total strong{color:var(--forest);font-family:DM Mono,monospace;font-size:17px}.game-total span,.sort-label,.external-hint{color:#858a86;font-size:9px}.results-bar{background:#e2ddd3;border-radius:999px;width:100%;height:10px;margin-top:18px;display:flex;overflow:hidden}.results-bar.is-compact{height:6px;margin-top:0}.result-white{background:var(--white-result)}.result-draw{background:var(--draw-result)}.result-black{background:var(--black-result)}.result-legend{color:#777e79;text-transform:uppercase;justify-content:space-between;gap:10px;margin-top:7px;font-size:8px;font-weight:700;display:flex}.move-list{margin-top:15px}.move-explanation-note{color:#7c837e;margin:9px 0 0;font-size:9px;line-height:1.55}.move-row{border:0;border-bottom:1px solid var(--line-soft);cursor:pointer;text-align:left;background:0 0;grid-template-columns:minmax(75px,.85fr) minmax(65px,.75fr) minmax(70px,.8fr) minmax(76px,.85fr) minmax(105px,1.25fr) 18px;align-items:center;gap:9px;width:100%;min-height:118px;padding:9px 2px;transition:background .13s,padding .13s;display:grid}.move-row:hover{background:#edf2ed;border-radius:10px;padding-inline:9px}.move-identity,.move-sample,.move-rating,.move-score,.move-results{gap:4px;min-width:0;display:grid}.move-row strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.move-identity strong{color:var(--forest);font-family:DM Mono,monospace;font-size:15px}.move-row span span,.move-results>span:last-child{color:#858b87;text-overflow:ellipsis;white-space:nowrap;font-size:8px;overflow:hidden}.move-arrow,.external-arrow{color:var(--gold);text-align:right;font-size:16px}.move-explanation{border-top:1px dashed #61706733;grid-column:1/-1;grid-template-columns:minmax(0,1fr);align-items:center;gap:5px;min-width:0;padding:7px 7px 1px;display:grid}.move-explanation-tags{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.move-row .move-explanation-tags>span{color:#3e6152;letter-spacing:.03em;text-overflow:clip;white-space:nowrap;background:#e4ede7;border-radius:999px;padding:3px 6px;font-size:9px;font-weight:700;overflow:visible}.move-row .move-explanation-tags>span:nth-child(2){color:#705729;background:#f0e7d5}.move-row .move-explanation-copy{color:#68716c;text-overflow:clip;white-space:normal;min-width:0;font-size:10px;line-height:1.5;overflow:visible}.empty-copy,.subtle-copy{color:var(--ink-soft);margin:14px 0 0;font-size:11px;line-height:1.6}.game-list{margin-top:12px}.game-row{border-bottom:1px solid var(--line-soft);min-height:62px;color:inherit;grid-template-columns:minmax(0,1.6fr) minmax(72px,.75fr) minmax(58px,.55fr) 18px;align-items:center;gap:10px;padding:10px 2px;text-decoration:none;display:grid}.game-row:hover .game-players strong{color:var(--forest);text-underline-offset:3px;text-decoration:underline}.game-players,.game-meta,.game-next{gap:4px;min-width:0;display:grid}.game-row strong,.game-row span span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.game-row strong{font-size:10px}.game-row span span{color:#858b87;font-size:8px}.game-next strong{color:var(--forest);font-family:DM Mono,monospace;font-size:12px}.engine-section{background:#e2e9e266}.inline-message{margin:14px 0 0;font-size:11px}.inline-message.is-error{color:var(--rust)}.engine-lines{margin-top:14px}.engine-depth,.engine-perspective{color:#7c837e;font-size:9px}.engine-depth{margin-bottom:7px}.engine-line{cursor:pointer;text-align:left;background:0 0;border:0;border-bottom:1px solid #75837b2e;grid-template-columns:56px minmax(0,1fr) 16px;align-items:center;gap:10px;width:100%;min-height:43px;padding:6px 2px;display:grid}.engine-line:hover{color:var(--forest)}.engine-eval{font-family:DM Mono,monospace;font-size:12px;font-weight:500}.engine-pv{text-overflow:ellipsis;white-space:nowrap;font-family:DM Mono,monospace;font-size:10px;overflow:hidden}.engine-perspective{margin:9px 0 0}footer{color:#757d78;border-top:1px solid #17231e1f;justify-content:space-between;align-items:center;gap:24px;width:min(1460px,100% - 48px);min-height:72px;margin:0 auto;font-size:9px;display:flex}footer a{color:#536f61;text-underline-offset:2px;text-decoration-color:#536f6173}footer a:hover{color:#244f3a}.data-attribution{text-align:right}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#101d18b8;place-items:center;padding:24px;display:grid;position:fixed;inset:0;overflow-y:auto}.import-modal{background:var(--paper-strong);border-radius:22px;width:min(720px,100%);max-height:calc(100vh - 48px);padding:28px;overflow-y:auto;box-shadow:0 30px 90px #07110d59}.modal-heading{justify-content:space-between;align-items:start;gap:20px;display:flex}.modal-heading h2,.promotion-dialog h2{margin:0;font-family:Playfair Display,Georgia,serif;font-size:28px}.start-position-card{width:100%;min-height:82px;color:var(--forest);cursor:pointer;text-align:left;background:linear-gradient(135deg,#e7f0ea,#f5f5ed);border:1px solid #c9d7cf;border-radius:15px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;margin-top:22px;padding:14px 17px;transition:border-color .14s,transform .14s,box-shadow .14s;display:grid}.start-position-card:hover{border-color:#91ad9d;transform:translateY(-1px);box-shadow:0 10px 24px #173f3417}.start-position-card>span:nth-child(2){gap:4px;min-width:0;display:grid}.start-position-card strong{font-size:13px}.start-position-card small{color:var(--ink-soft);font-size:10px;line-height:1.5}.start-position-icon{color:#f8f2e3;background:var(--forest);border-radius:12px;place-items:center;width:44px;height:44px;font-family:Georgia,serif;font-size:29px;display:grid}.import-tabs{background:#ece8df;border-radius:12px;grid-template-columns:repeat(3,1fr);gap:4px;margin-top:20px;padding:4px;display:grid}.import-tabs button{min-height:40px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:9px;font-size:11px;font-weight:700}.import-tabs button.is-active{color:var(--forest);background:var(--paper-strong);box-shadow:0 3px 10px #222f2817}.icon-button{width:38px;height:38px;color:var(--ink-soft);background:#eeeae1;border-radius:50%;font-size:24px;line-height:1}.import-section{margin-top:24px}.import-section-heading{justify-content:space-between;align-items:start;gap:18px;display:flex}.import-section-heading h3{margin:0 0 5px;font-family:Playfair Display,Georgia,serif;font-size:19px}.import-section-heading p{max-width:520px;color:var(--ink-soft);margin:0;font-size:10px;line-height:1.55}.read-only-badge{color:#315d4c;letter-spacing:.08em;text-transform:uppercase;background:#dce9e2;border-radius:999px;flex:none;padding:5px 8px;font-size:8px;font-weight:700}.chesscom-search{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin-top:16px;display:grid}.chesscom-search label{color:var(--ink-soft);letter-spacing:.04em;gap:6px;font-size:10px;font-weight:700;display:grid}.chesscom-search input{border:1px solid var(--line);width:100%;min-height:42px;color:var(--ink);letter-spacing:normal;background:#f5f2eb;border-radius:11px;padding:0 12px;font-size:12px}.chesscom-status{color:var(--forest);margin:16px 0 0;font-size:11px;font-weight:700}.chesscom-results{margin-top:19px}.chesscom-results-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.chesscom-results-heading strong{font-size:11px}.chesscom-results-heading span{color:#7a817d;font-size:9px}.chesscom-game-list{border-block:1px solid var(--line-soft);max-height:315px;overflow-y:auto}.chesscom-game-row{border-bottom:1px solid var(--line-soft);grid-template-columns:minmax(0,1fr) 34px;align-items:stretch;min-height:62px;display:grid}.chesscom-game-row:last-child{border-bottom:0}.chesscom-game-row>button{cursor:pointer;text-align:left;background:0 0;border:0;grid-template-columns:minmax(0,1.4fr) minmax(115px,.75fr) auto;align-items:center;gap:14px;min-width:0;padding:10px 8px 10px 2px;display:grid}.chesscom-game-row>button:hover{color:var(--forest);background:#eef3ef}.chesscom-game-row>a{color:var(--gold);place-items:center;font-size:15px;text-decoration:none;display:grid}.chesscom-game-row>a:hover{background:var(--gold-soft)}.chesscom-players{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:7px;min-width:0;display:grid}.chesscom-players strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.chesscom-players strong:last-child{text-align:right}.chesscom-players small,.chesscom-players>span,.chesscom-game-meta{color:#7b827e;font-size:8px;font-weight:500}.chesscom-game-meta{gap:4px;display:grid}.chesscom-opening-meta{align-items:center;gap:6px;min-width:0;display:flex}.chesscom-opening-meta>strong{color:#f8f1df;background:var(--forest);border-radius:999px;flex:none;padding:2px 5px;font-family:DM Mono,monospace;font-size:7px;font-weight:500}.chesscom-opening-meta>span{color:#5f6963;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:8px;font-weight:700;overflow:hidden}.chesscom-load-label{color:var(--forest);white-space:nowrap;font-size:9px}.import-section textarea{resize:vertical;border:1px solid var(--line);width:100%;min-height:220px;color:var(--ink);background:#f5f2eb;border-radius:12px;margin-top:7px;padding:14px;font-family:DM Mono,monospace;font-size:11px;line-height:1.6}.import-actions{justify-content:flex-end;gap:9px;margin-top:11px;display:flex}.field-help{color:#7a817d;margin:8px 0 0;font-size:9px}.or-divider{color:#92958f;letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:12px;margin:20px 0;font-size:9px;font-weight:700;display:flex}.or-divider:before,.or-divider:after{content:"";background:var(--line-soft);flex:1;height:1px}.compact-import{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin:0;display:grid}.compact-import label{grid-column:1/-1}.modal-error{color:#7d2f22;background:#f4dfda;border-radius:10px;margin:18px 0 0;padding:12px 14px;font-size:11px;line-height:1.5}.modal-footer{border-top:1px solid var(--line-soft);color:#848a86;justify-content:space-between;align-items:center;gap:16px;margin-top:22px;padding-top:16px;font-size:9px;display:flex}.promotion-dialog{background:var(--paper-strong);text-align:center;border-radius:20px;width:min(460px,100%);padding:27px;box-shadow:0 30px 90px #07110d59}.promotion-options{grid-template-columns:repeat(4,1fr);gap:9px;margin:22px 0 18px;display:grid}.promotion-options button{border:1px solid var(--line);min-height:100px;color:var(--ink-soft);cursor:pointer;background:#f1eee6;border-radius:12px;place-items:center;gap:2px;font-size:10px;font-weight:700;display:grid}.promotion-options button:hover{color:var(--forest);background:var(--forest-soft)}.promotion-options span{color:var(--ink);font-family:Segoe UI Symbol,Georgia,serif;font-size:42px}.toast{z-index:80;color:#fffdf8;background:#24332c;border-radius:12px;max-width:min(430px,100% - 48px);padding:13px 16px;font-size:11px;line-height:1.5;animation:.18s ease-out toast-in;position:fixed;bottom:24px;right:24px;box-shadow:0 14px 40px #0f191540}.toast.is-success{background:#1d624b}.toast.is-error{background:#873a2c}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}.visually-hidden{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@media (width<=1120px){.workspace{grid-template-columns:minmax(400px,.9fr) minmax(450px,1.1fr);gap:28px}.move-row{grid-template-columns:minmax(72px,.9fr) minmax(62px,.7fr) minmax(65px,.75fr) minmax(72px,.8fr) 18px}.move-rating{display:none}}@media (width<=930px){.intro{grid-template-columns:1fr;gap:16px;padding-top:34px}.intro p,.intro-side{max-width:680px}.workspace{grid-template-columns:1fr}.board-column{width:min(680px,100%);margin:0 auto}.analysis-panel,.analysis-column{width:min(760px,100%);margin:0 auto}.chess-piece{font-size:clamp(33px,9.5vw,72px)}}@media (width<=640px){.app-header,main,footer{width:min(100% - 24px,1460px)}.app-header{min-height:72px}.brand small,.connection-state{display:none}.analysis-view-switcher button{min-height:42px;padding-inline:8px;font-size:9px}.kpk-header,.kpk-formula-section,.kpk-facts-section,.kpk-moves-section,.kpk-verification-section,.kpk-empty-state{padding-left:18px;padding-right:18px}.kpk-sample-grid{grid-template-columns:1fr}.kpk-verdict{grid-template-columns:auto 1fr;margin-left:18px;margin-right:18px}.kpk-proof-distance{text-align:left;grid-column:2;justify-items:start;width:auto}.kpk-fact-grid{grid-template-columns:1fr}.kpk-move-card{grid-template-columns:46px minmax(0,1fr)}.kpk-outcome-pill{grid-column:2;width:max-content}.kpk-stats-grid{grid-template-columns:repeat(2,1fr)}.kpk-stats-grid div:nth-child(2){border-right:0}.kpk-stats-grid div:nth-child(-n+2){border-bottom:1px solid #d9ded9}.kpk-history-note{margin-left:18px;margin-right:18px}.kpk-sample-strip{padding-left:18px;padding-right:18px}.header-actions{gap:8px}.header-actions .primary-button{min-height:38px;padding-inline:12px;font-size:11px}.header-actions .header-start-button{min-height:38px;padding-inline:10px;font-size:10px}.app-mark{width:37px;height:37px}.intro{padding:27px 2px 25px}.intro h1{font-size:clamp(34px,12vw,48px)}.intro p{font-size:13px}.intro-actions{grid-template-columns:1fr auto;align-items:stretch;display:grid}.intro-actions .primary-button{min-width:0;padding-inline:12px}.workspace{gap:28px;padding-bottom:44px}.game-context{min-height:52px}.game-context h2{max-width:200px;font-size:20px}.imported-opening a,.imported-opening strong{max-width:150px}.context-status{text-align:right;flex:1;min-width:0;font-size:10px}.chessboard{border-width:5px}.chess-piece{font-size:clamp(29px,11.5vw,56px)}.board-toolbar{align-items:start}.flip-button{font-size:0}.flip-button:before{content:"↻ Fordítás";font-size:10px}.navigation-buttons button{width:33px}.ply-counter{min-width:45px}.branch-callout{flex-direction:column;align-items:stretch}.fen-row code{max-width:190px}.analysis-panel{border-radius:18px}.explorer-header,.position-summary,.moves-section,.games-section,.engine-section{padding-inline:18px}.source-switch,.data-source-map{margin-inline:18px}.filter-grid{padding-inline:18px}.filter-note,.sample-warning,.database-status,.auth-card,.loading-state,.error-state{margin-inline:18px}.auth-card{grid-template-columns:1fr}.auth-mark{width:40px;height:40px;font-size:26px}.move-row{grid-template-columns:minmax(70px,.85fr) minmax(60px,.7fr) minmax(74px,.85fr) minmax(82px,1fr) 14px;gap:6px;min-height:128px}.move-explanation{grid-template-columns:1fr;gap:5px}.move-rating{display:none}.move-score strong,.move-sample strong{font-size:10px}.game-row{grid-template-columns:minmax(0,1.45fr) minmax(65px,.7fr) minmax(48px,.45fr) 14px;gap:6px}footer{flex-direction:column;align-items:start;gap:8px;padding:18px 0}.data-attribution{text-align:left}.modal-backdrop{padding:12px}.import-modal{border-radius:17px;max-height:calc(100vh - 24px);padding:20px}.modal-heading h2{font-size:23px}.start-position-card{padding-inline:13px}.start-position-icon{width:39px;height:39px;font-size:26px}.chesscom-search{grid-template-columns:1fr}.chesscom-game-row>button{grid-template-columns:minmax(0,1fr) auto;gap:9px}.chesscom-game-meta{display:none}.import-actions{flex-direction:column;align-items:stretch}.compact-import{grid-template-columns:1fr}.modal-footer{flex-direction:column;align-items:start}.promotion-options{grid-template-columns:repeat(2,1fr)}.toast{max-width:calc(100% - 24px);bottom:12px;right:12px}}@media (width<=410px){.brand>span:last-child{display:none}.brand strong{font-size:17px}.header-actions .header-start-button{font-size:0}.header-actions .header-start-button:before{content:"Új";font-size:10px}.import-section-heading{display:grid}.read-only-badge{width:fit-content}.chesscom-load-label{font-size:0}.chesscom-load-label:after{content:"→";font-size:14px}.filter-grid{grid-template-columns:1fr}.source-switch button{padding-inline:5px;font-size:9px}.move-row{grid-template-columns:70px 60px minmax(80px,1fr) 14px}.move-score,.game-next{display:none}.game-row{grid-template-columns:minmax(0,1.4fr) minmax(65px,.7fr) 14px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
