:root{--bg:#16150f;--bg-raised:#1f1e17;--bg-sunken:#12110c;--border:#33312a;--border-soft:#262419;--text:#ece9df;--text-dim:#9d998c;--text-faint:#6f6b60;--accent:#7fa650;--accent-soft:#7fa65024;--danger:#d0574a;--sq-light:#ebecd0;--sq-dark:#739552;--c-best:#96bc4b;--c-good:#96af8b;--c-book:#a88865;--c-inaccuracy:#f7c631;--c-mistake:#ffa459;--c-miss:#ff7769;--c-blunder:#fa412d;--radius:10px;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000038;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font:15px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:600}h1{font-size:22px}h2{font-size:17px}h3{font-size:14px}p{margin:0 0 10px}a{color:var(--accent)}.app{flex-direction:column;min-height:100%;display:flex}.topbar{border-bottom:1px solid var(--border-soft);background:var(--bg-raised);z-index:20;align-items:center;gap:20px;padding:10px 20px;display:flex;position:sticky;top:0}.brand{color:var(--text);white-space:nowrap;align-items:center;gap:9px;font-weight:650;text-decoration:none;display:flex}.brand-mark{color:var(--accent);font-size:22px;line-height:1}.tabs{gap:4px;margin-right:auto;display:flex}.tab{color:var(--text-dim);border-radius:7px;padding:6px 13px;font-size:14px;font-weight:550;text-decoration:none}.tab:hover{background:var(--bg-sunken);color:var(--text)}.tab.active{background:var(--accent-soft);color:var(--accent)}.mode-pill{text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--border);color:var(--text-faint);white-space:nowrap;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:600}.mode-pill.is-local{color:var(--accent);border-color:#7fa65066}.main{flex:1;width:100%;max-width:1240px;margin:0 auto;padding:22px 20px 48px}.sitefoot{border-top:1px solid var(--border-soft);color:var(--text-faint);justify-content:center;align-items:center;gap:10px;padding:14px 20px 22px;font-size:13px;display:flex}.sitefoot a{color:var(--text-dim);text-decoration:none}.sitefoot a:hover{color:var(--accent);text-decoration:underline}.cols{grid-template-columns:minmax(340px,1fr) minmax(300px,400px);align-items:start;gap:24px;display:grid}.stack{flex-direction:column;gap:14px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row-tight{align-items:center;gap:6px;display:flex}.spacer{flex:1}.card{background:var(--bg-raised);border:1px solid var(--border-soft);border-radius:var(--radius);padding:16px}.card-head{align-items:center;gap:10px;margin-bottom:12px;display:flex}.card-head 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var(--border);cursor:pointer;border-radius:8px;width:52px;height:52px;font-size:30px;line-height:1}.promo-btn:hover{background:#fff}button,.btn{font:inherit;border:1px solid var(--border);background:var(--bg-sunken);color:var(--text);cursor:pointer;border-radius:8px;align-items:center;gap:7px;padding:8px 14px;font-size:14px;font-weight:550;text-decoration:none;transition:background .12s,border-color .12s,opacity .12s;display:inline-flex}button:hover:not(:disabled),.btn:hover{background:#26241c;border-color:#4b4839}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#14180c}button.primary:hover:not(:disabled){background:#8fb75c;border-color:#8fb75c}button.ghost{background:0 0}button.danger{color:var(--danger);border-color:#d0574a59}button.danger:hover:not(:disabled){background:#d0574a1f}button.small{padding:5px 10px;font-size:13px}button.icon{padding:6px 9px}input[type=text],input[type=number],input[type=search],textarea,select{font:inherit;border:1px solid var(--border);background:var(--bg-sunken);width:100%;color:var(--text);border-radius:8px;padding:8px 11px;font-size:14px}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}textarea{resize:vertical;min-height:130px;font-family:ui-monospace,Cascadia Code,monospace;font-size:12.5px}label.field{display:block}label.field>span{color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px;font-size:12px;font-weight:600;display:block}.checkbox{cursor:pointer;align-items:center;gap:7px;font-size:14px;display:inline-flex}.checkbox input{width:auto;accent-color:var(--accent)}.muted{color:var(--text-dim)}.faint{color:var(--text-faint)}.tiny{font-size:12px}.mono{font-family:ui-monospace,Cascadia Code,monospace}.center{text-align:center}.pill{background:var(--bg-sunken);border:1px solid var(--border);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:3px 8px;font-size:11.5px;font-weight:650;display:inline-flex}.banner{border:1px solid;border-radius:8px;padding:10px 13px;font-size:13.5px}.banner.err{color:#f0a49b;background:#d0574a1a;border-color:#d0574a59}.banner.ok{background:var(--accent-soft);color:#b6d68a;border-color:#7fa65059}.banner.info{background:var(--bg-sunken);border-color:var(--border);color:var(--text-dim)}.modal-backdrop{z-index:100;background:#0009;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-raised);border-radius:var(--radius);width:min(440px,100%);box-shadow:var(--shadow);border:1px solid #d0574a73;padding:18px 20px}.modal h2{color:#f0a49b;margin:0 0 8px}.modal p{overflow-wrap:anywhere;margin:0 0 16px}.empty{text-align:center;color:var(--text-dim);border:1px dashed var(--border);border-radius:var(--radius);padding:56px 20px}.empty h2{color:var(--text);margin-bottom:8px}.progress-track{background:var(--bg-sunken);border:1px solid var(--border-soft);border-radius:999px;height:6px;overflow:hidden}.progress-fill{background:var(--accent);height:100%;transition:width .25s}.table{border-collapse:collapse;width:100%;font-size:13.5px}.table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);border-bottom:1px solid var(--border-soft);padding:0 10px 8px;font-size:11px;font-weight:650}.table td{border-bottom:1px solid var(--border-soft);vertical-align:middle;padding:9px 10px}.table tr:last-child td{border-bottom:none}.table tbody tr:hover{background:#ffffff06}.table .num{text-align:right;font-variant-numeric:tabular-nums}.movelist{font-variant-numeric:tabular-nums;grid-template-columns:40px 1fr 1fr;gap:1px 0;max-height:460px;font-size:13.5px;display:grid;overflow-y:auto}.movelist .mv-num{color:var(--text-faint);align-items:center;padding:4px 8px;font-size:12px;display:flex}.mv{cursor:pointer;text-align:left;color:var(--text);background:0 0;border:1px solid #0000;border-radius:5px;align-items:center;gap:5px;padding:4px 8px;font-weight:550;display:flex}.mv:hover{background:var(--bg-sunken);border-color:#0000}.mv.current{background:var(--accent-soft);border-color:#7fa65066}.mv.blank{cursor:default}.mv-tag{margin-left:auto;font-size:12px;font-weight:700}.puzzle-prompt{align-items:baseline;gap:8px;font-size:16px;font-weight:600;display:flex}.board-nav{justify-content:center}.board-alert{border:3px solid var(--c-blunder);pointer-events:none;z-index:3;border-radius:8px;animation:.5s ease-out wrong-flash;position:absolute;inset:-3px}@keyframes wrong-flash{0%{box-shadow:0 0 #fa412d80}to{box-shadow:0 0 0 16px #fa412d00}}.controls{border-top:1px solid var(--border-soft);margin-top:16px;padding-top:14px}button.wide{justify-content:center}.verdict{align-items:center;gap:7px;min-height:24px;font-size:15px;font-weight:650;display:flex}.verdict .good{color:var(--c-best)}.verdict .bad{color:var(--c-blunder)}.verdict .shown{color:var(--c-inaccuracy)}.meta-grid{grid-template-columns:auto 1fr;gap:6px 14px;font-size:13.5px;display:grid}.meta-grid dt{color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.meta-grid dd{margin:0}.statline{flex-wrap:wrap;gap:18px;display:flex}.stat{flex-direction:column;gap:1px;display:flex}.stat b{font-variant-numeric:tabular-nums;font-size:21px;font-weight:650;line-height:1.15}.stat span{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);font-size:11px}.opening-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;display:grid}.opening-card{color:var(--text);flex-direction:column;gap:8px;text-decoration:none;display:flex}.opening-card:hover{border-color:var(--accent)}.opening-card p{margin:0}.editor-cols{grid-template-columns:minmax(320px,520px) minmax(0,1fr)}.board-pin{position:sticky;top:66px}.scroll-list{max-height:46vh;overflow-y:auto}.scroll-list thead th{background:var(--bg-raised);padding-top:4px;position:sticky;top:0}.player-line{align-items:center;gap:8px;font-size:14px;display:flex}.side-dot{border:1px solid var(--border);border-radius:3px;flex-shrink:0;width:11px;height:11px}.side-dot.w{background:var(--sq-light)}.side-dot.b{background:#3a382f}@media (width<=960px){.cols{grid-template-columns:1fr}.board-pin{position:static}.main{padding:16px 14px 40px}.topbar{gap:12px;padding:10px 14px}.brand span:last-child{display:none}}