@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-ext-400-normal-BQZuk6qB.woff2)format("woff2"),url(/assets/inter-cyrillic-ext-400-normal-DQukG94-.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-400-normal-obahsSVq.woff2)format("woff2"),url(/assets/inter-cyrillic-400-normal-HOLc17fK.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-ext-400-normal-DGGRlc-M.woff2)format("woff2"),url(/assets/inter-greek-ext-400-normal-KugGGMne.woff)format("woff");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-400-normal-B4URO6DV.woff2)format("woff2"),url(/assets/inter-greek-400-normal-q2sYcFCs.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-vietnamese-400-normal-DMkecbls.woff2)format("woff2"),url(/assets/inter-vietnamese-400-normal-Bbgyi5SW.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-ext-400-normal-C1nco2VV.woff2)format("woff2"),url(/assets/inter-latin-ext-400-normal-77YHD8bZ.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-400-normal-C38fXH4l.woff2)format("woff2"),url(/assets/inter-latin-400-normal-CyCys3Eg.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-cyrillic-ext-600-normal-Dfes3d0z.woff2)format("woff2"),url(/assets/inter-cyrillic-ext-600-normal-Bcila6Z-.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-cyrillic-600-normal-CWCymEST.woff2)format("woff2"),url(/assets/inter-cyrillic-600-normal-4D_pXhcN.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-greek-ext-600-normal-DRtmH8MT.woff2)format("woff2"),url(/assets/inter-greek-ext-600-normal-B8X0CLgF.woff)format("woff");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-greek-600-normal-plRanbMR.woff2)format("woff2"),url(/assets/inter-greek-600-normal-BZpKdvQh.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-vietnamese-600-normal-Cc8MFFhd.woff2)format("woff2"),url(/assets/inter-vietnamese-600-normal-BuLX-rYi.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-latin-ext-600-normal-D2bJ5OIk.woff2)format("woff2"),url(/assets/inter-latin-ext-600-normal-CIVaiw4L.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/inter-latin-600-normal-LgqL8muc.woff2)format("woff2"),url(/assets/inter-latin-600-normal-CiBQ2DWP.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-cyrillic-ext-700-normal-BjwYoWNd.woff2)format("woff2"),url(/assets/inter-cyrillic-ext-700-normal-LO58E6JB.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-cyrillic-700-normal-CjBOestx.woff2)format("woff2"),url(/assets/inter-cyrillic-700-normal-DrXBdSj3.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-greek-ext-700-normal-qfdV9bQt.woff2)format("woff2"),url(/assets/inter-greek-ext-700-normal-BoQ6DsYi.woff)format("woff");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-greek-700-normal-C3JjAnD8.woff2)format("woff2"),url(/assets/inter-greek-700-normal-BUv2fZ6O.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-vietnamese-700-normal-DlLaEgI2.woff2)format("woff2"),url(/assets/inter-vietnamese-700-normal-BZaoP0fm.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-latin-ext-700-normal-Ca8adRJv.woff2)format("woff2"),url(/assets/inter-latin-ext-700-normal-TidjK2hL.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/inter-latin-700-normal-Yt3aPRUw.woff2)format("woff2"),url(/assets/inter-latin-700-normal-BLAVimhd.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-cyrillic-ext-800-normal-BZOjs1Xv.woff2)format("woff2"),url(/assets/inter-cyrillic-ext-800-normal-Ca-gJeZY.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-cyrillic-800-normal-C7MGvYyJ.woff2)format("woff2"),url(/assets/inter-cyrillic-800-normal-CCHyn08d.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-greek-ext-800-normal-B--PVpEC.woff2)format("woff2"),url(/assets/inter-greek-ext-800-normal-DUe57HfS.woff)format("woff");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-greek-800-normal-CLIouy3y.woff2)format("woff2"),url(/assets/inter-greek-800-normal-BU00tryP.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-vietnamese-800-normal-Cm7tD1pz.woff2)format("woff2"),url(/assets/inter-vietnamese-800-normal-DDlpr_Ee.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-latin-ext-800-normal-DZJjya6U.woff2)format("woff2"),url(/assets/inter-latin-ext-800-normal-BOMpwxm3.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/inter-latin-800-normal-BYj_oED-.woff2)format("woff2"),url(/assets/inter-latin-800-normal-D1mf63XC.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--text:#4f5660;--text-h:#171b20;--muted:#77818b;--bg:#151412;--panel:#f2eee5;--border:#3a352e;--border-strong:#4a4339;--selected:#ddd4c2;--input:#fffaf0;--code-bg:#1f1d1a;--accent:#7aa92c;--accent-text:#10120a;--focus:#6d9a2475;--rail:#151412;--rail-panel:#24221f;--rail-row:#302d29;--rail-text:#d8d1c6;--rail-muted:#9c958b;--field:#161513;--page-max:1800px;--sans:"Inter", "Segoe UI", sans-serif;--heading:var(--sans);--mono:ui-monospace, Consolas, monospace;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;scrollbar-color:var(--border-strong) var(--rail-panel);font:16px/145% var(--sans);letter-spacing:0;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#e9e4d8;--border:#d8d0bf;--border-strong:#c0b7a3;--selected:#e6ddc8;--accent:#648f1f;--focus:#6d9a2466;--rail:#e9e4d8;--rail-panel:#f6f2e8;--rail-row:#fdfaf2;--rail-text:#3b362e;--rail-muted:#7d7567;--field:#fffdf6}#root{min-height:100svh}body{margin:0}*{box-sizing:border-box}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:700}h1{margin:0;font-size:clamp(26px,3vw,40px);line-height:1.05}h2{letter-spacing:0;margin:0 0 8px;font-size:24px;line-height:118%}p{margin:0}button,textarea{font:inherit}code{color:#ded7cc;background:var(--code-bg);font-family:var(--mono);border-radius:4px;padding:4px 8px;font-size:15px;line-height:135%;display:block}.app-shell{min-height:100svh;padding:8px}.top-nav{max-width:var(--page-max);color:var(--rail-text);background:var(--rail-panel);border-radius:6px;align-items:center;gap:8px;margin:0 auto 8px;padding:8px 10px;display:flex}.top-nav strong{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-right:auto;font-size:13px}.top-nav button{border:1px solid var(--border-strong);min-height:32px;color:var(--rail-text);background:var(--rail-row);border-radius:5px;font-weight:800}.top-nav button.active{color:#fff;background:#2d7fce;border-color:#2d7fce}.profile-wrap{margin-left:auto;position:relative}.top-nav .profile-button{color:var(--rail-muted);font-size:13px}.top-nav .profile-button.active{color:#fff;background:#2d7fce;border-color:#2d7fce}.profile-menu{z-index:60;border:1px solid var(--border-strong);background:var(--rail-panel);border-radius:6px;gap:8px;min-width:230px;padding:10px;display:grid;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 12px 32px #00000059}.top-nav .profile-menu button{text-align:left;width:100%;min-height:34px;padding:0 10px}.top-nav .profile-menu .onoff-switch button{text-align:center;width:auto;min-height:30px}.profile-theme{color:var(--rail-muted);letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;align-items:center;gap:10px;padding:0 2px;font-size:12px;font-weight:700;display:flex}.profile-select{border:1px solid var(--border-strong,#ffffff1f);background:var(--field);max-width:150px;color:var(--rail-text);font:inherit;letter-spacing:normal;text-transform:none;border-radius:6px;padding:4px 6px;font-size:12px}.games-view{max-width:1280px;color:var(--rail-text);background:var(--rail-panel);border-radius:6px;margin:0 auto;padding:14px}.games-header{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:12px;margin-bottom:12px;display:flex}.games-header h1{margin-right:auto}.games-status{color:var(--rail-muted);font-size:13px}.games-header h1{color:var(--rail-text);font-size:28px}.new-game-button{color:#fff;cursor:pointer;background:#2d7fce;border:1px solid #2d7fce;border-radius:5px;min-height:38px;padding:0 16px;font-weight:800}.new-game-button:disabled{opacity:.5;cursor:default}.games-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.games-list-row{grid-template-columns:minmax(0,1fr) auto auto auto;align-items:stretch;gap:8px;display:grid}.games-list-row:not(:has(.my-color)){grid-template-columns:minmax(0,1fr) auto}.games-list-row:has(.games-testing){grid-template-columns:minmax(0,1fr) auto auto auto auto}.my-color{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:5px;align-items:center;gap:4px;padding:0 8px;display:flex}.my-color-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.my-color button{border:1px solid var(--border-strong);width:28px;height:28px;color:var(--rail-muted);cursor:pointer;background:0 0;border-radius:4px;padding:0;font-weight:800}.my-color button:hover{border-color:var(--accent)}.my-color button.active{color:var(--accent-text);background:var(--accent);border-color:var(--accent)}.my-color button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.main-repertoire{border:1px solid var(--border-strong);color:var(--rail-muted);background:var(--rail-row);letter-spacing:.06em;border-radius:5px;align-items:center;gap:5px;padding:0 9px;font-size:11px;font-weight:800;display:flex}.main-repertoire:has(input:checked){border-color:var(--accent);color:var(--accent)}.study-import-row{gap:6px;margin-top:8px;display:flex}.study-import-row input{border:1px solid var(--border-strong);min-width:0;max-width:360px;color:var(--rail-text);background:var(--field);border-radius:5px;flex:1;padding:8px 10px}.study-import-row button{border:1px solid var(--border-strong);color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0 14px;font-weight:800}.study-import-row button:hover:not(:disabled){border-color:var(--accent)}.study-import-row button:disabled{opacity:.4;cursor:default}.games-open{border:1px solid var(--border-strong);min-width:0;color:var(--rail-text);background:var(--rail-row);font:inherit;text-align:left;border-radius:5px;gap:4px;padding:12px;display:grid}.games-open strong{color:var(--rail-text);font-size:16px}.games-open span{color:var(--rail-muted);font-size:12px}.games-delete,.games-testing{border:1px solid var(--border-strong);color:var(--rail-text);background:var(--rail-row);border-radius:5px;padding:0 14px;font-weight:800}.games-empty{color:var(--rail-muted);border:1px dashed var(--border-strong);border-radius:5px;padding:16px}.games-folder{border:1px solid var(--border-strong);border-radius:6px;margin-bottom:10px}.games-folder summary{color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;align-items:center;gap:10px;padding:10px 14px;font-size:15px;font-weight:800;list-style:none;display:flex}.games-folder[open] summary{border-radius:5px 5px 0 0}.games-folder summary::-webkit-details-marker{display:none}.games-folder summary:before{content:"▸";color:var(--rail-muted);font-size:13px}.games-folder[open] summary:before{content:"▾"}.games-folder[open] summary{border-bottom:1px solid var(--border-strong)}.games-folder summary:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}.folder-name{margin-right:auto}.folder-count{background:var(--rail-panel);color:var(--rail-muted);border-radius:999px;padding:2px 9px;font-size:12px;font-weight:800}.games-sidebar{max-height:calc(100svh - 72px);color:var(--rail-text);background:var(--rail-panel);border-radius:6px;align-content:start;gap:8px;padding:10px;display:grid;position:sticky;top:8px;overflow-y:auto}.sidebar-head{align-items:center;gap:6px;display:flex}.sidebar-head h2{color:var(--rail-text);margin:0 auto 0 0;font-size:16px}.sidebar-action{border:1px solid var(--border-strong);min-height:30px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0 10px;font-size:12px;font-weight:800}.sidebar-action:hover:not(:disabled){border-color:var(--accent)}.sidebar-action:disabled{opacity:.5;cursor:default}.sidebar-import{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:5px}.sidebar-import summary{color:var(--rail-muted);cursor:pointer;padding:7px 10px;font-size:12px;font-weight:800}.sidebar-import-body{gap:8px;padding:2px 10px 10px;display:grid}.sidebar-import-body .study-import-row{margin-top:0}.sidebar-upload{color:var(--rail-muted);gap:4px;font-size:12px;display:grid}.sidebar-status{min-height:15px;color:var(--rail-muted);font-size:12px}.sidebar-empty{border:1px dashed var(--border-strong);color:var(--rail-muted);border-radius:5px;margin:8px;padding:10px;font-size:12px}.games-sidebar>.sidebar-empty{margin:0}.games-sidebar .games-folder{margin-bottom:0}.games-sidebar .games-folder summary{padding:8px 10px;font-size:13px}.sidebar-games{gap:4px;margin:8px;padding:0;list-style:none;display:grid}.sidebar-games li{grid-template-columns:minmax(0,1fr) auto;gap:4px;display:grid}.sidebar-game{border:1px solid var(--border-strong);min-width:0;color:var(--rail-text);background:var(--rail-row);font:inherit;text-align:left;cursor:pointer;border-radius:5px;gap:2px;padding:7px 9px;font-size:13px;display:grid}.sidebar-game:hover{border-color:var(--accent)}.sidebar-game.active{border-color:#2d7fce;box-shadow:inset 2px 0 #2d7fce}.sidebar-game-name{flex-wrap:wrap;align-items:center;gap:6px;font-weight:700;display:flex}.sidebar-game-meta{color:var(--rail-muted);font-size:11px}.sidebar-game-more{border:1px solid var(--border-strong);min-width:28px;color:var(--rail-muted);background:var(--rail-row);cursor:pointer;border-radius:5px;font-weight:800}.sidebar-game-more:hover{border-color:var(--accent);color:var(--rail-text)}.sidebar-game .analysis-badge{border:1px solid var(--border-strong);color:var(--rail-muted);letter-spacing:.04em;white-space:nowrap;border-radius:999px;padding:0 6px;font-size:10px;font-weight:700}.sidebar-game .analysis-badge.analyzed{border-color:var(--accent);color:var(--accent)}.top-nav button:focus-visible,.new-game-button:focus-visible,.games-open:focus-visible,.games-delete:focus-visible,.games-testing:focus-visible,.sidebar-action:focus-visible,.sidebar-game:focus-visible,.sidebar-game-more:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.sidebar-repertoire{border:1px solid var(--border-strong);background:var(--rail-panel);border-radius:5px}.sidebar-repertoire>summary{cursor:pointer;align-items:center;padding:8px 10px;font-size:13px;display:flex}.sidebar-repertoire>summary::-webkit-details-marker{display:none}.sidebar-repertoire>summary .folder-name{margin-right:auto;font-weight:800}.sidebar-rep-actions{flex-wrap:wrap;gap:6px;padding:8px 10px 0;display:flex}.sidebar-rep-actions .sidebar-action{flex:auto}.sidebar-repertoire .sidebar-import{margin:8px 10px 0}.sidebar-paste{color:var(--rail-muted);gap:4px;font-size:12px;display:grid}.sidebar-paste textarea{resize:vertical;width:100%;min-height:54px;font-family:var(--mono);font-size:11px}.sidebar-repertoire-list{gap:6px;margin:8px;padding:0;list-style:none;display:grid}.rep-row{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:5px;gap:5px;padding:7px 8px;display:grid}.rep-row-main{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:4px;display:grid}.rep-open{min-width:0;color:var(--rail-text);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:4px;gap:2px;padding:2px 4px;display:grid}.rep-open strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.rep-open span{color:var(--rail-muted);font-size:11px}.rep-open:hover{background:var(--rail-panel)}.rep-open.active{outline:2px solid var(--accent)}.rep-delete{border:1px solid var(--border-strong);width:24px;height:24px;color:var(--rail-muted);cursor:pointer;background:0 0;border-radius:4px;align-self:start;padding:0}.rep-delete:hover{color:var(--danger,#e06c6c);border-color:var(--danger,#e06c6c)}.rep-row-controls{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.rep-row-controls .my-color{padding:0 6px}.rep-row-controls .my-color button{width:24px;height:24px}.rep-row-controls .main-repertoire{min-height:26px}.rep-test-all{border:1px solid var(--border-strong);min-height:26px;color:var(--rail-text);background:var(--rail-panel);cursor:pointer;border-radius:5px;padding:0 8px;font-size:11px;font-weight:800}.rep-test-all:hover{border-color:var(--accent)}.rep-chapters{border-top:1px solid var(--border-strong);padding-top:5px}.rep-chapters>summary{color:var(--rail-muted);cursor:pointer;font-size:11px;font-weight:800}.rep-chapters-hint{color:var(--rail-muted);margin:4px 0;font-size:11px;line-height:1.35}.rep-chapters ul{gap:3px;max-height:260px;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.rep-chapter{grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:6px;display:grid}.rep-chapter-check{cursor:pointer}.rep-chapter-name{min-width:0;color:var(--rail-text);text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 4px;font-size:11px;overflow:hidden}.rep-chapter-name:hover{background:var(--rail-panel);text-decoration:underline}.rep-chapter-count{color:var(--rail-muted);font-size:10px}.rep-chapter.excluded .rep-chapter-name{color:var(--rail-muted);text-decoration:line-through}.rep-chapter-test{border:1px solid var(--border-strong);color:var(--rail-text);background:var(--rail-panel);cursor:pointer;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:800}.rep-chapter-test:disabled{opacity:.4;cursor:default}.test-clear-openings{margin-top:6px}.test-clear-openings button{border:1px solid var(--border-strong);width:100%;min-height:30px;color:var(--rail-muted);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0 10px;font-size:12px;font-weight:700}.test-clear-openings button:hover{color:var(--danger,#e06c6c);border-color:var(--danger,#e06c6c)}.workspace{grid-template-columns:minmax(360px, var(--board-size,600px)) minmax(360px, 560px);max-width:var(--page-max);justify-content:center;align-items:start;gap:10px;margin:0 auto;display:grid}.workspace.with-sidebar{grid-template-columns:minmax(230px, 310px) minmax(360px, var(--board-size,600px)) minmax(360px, 560px)}.board-column{gap:8px;min-width:0;display:grid}.panel-heading span,.fen-bar span,.game-row small,.import-box label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.board-panel{background:#111;position:relative}.board-shell{width:100%;width:min(100%, calc(100svh - 110px), var(--board-size,600px));aspect-ratio:1;place-items:center;display:grid;overflow:hidden}.branch-picker{z-index:6;pointer-events:none;flex-wrap:wrap;justify-content:center;gap:6px;max-width:94%;display:flex;position:absolute;top:8px;left:50%;transform:translate(-50%)}.branch-option{pointer-events:auto;color:#f3efe6;font:inherit;cursor:pointer;background:#110e0ad1;border:1px solid #ffffff47;border-radius:999px;align-items:baseline;gap:4px;padding:4px 10px;font-size:14px;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #00000059}.branch-option:hover{background:#2b2419f0;border-color:#f6c85fbf}.branch-option.mainline{border-color:#f6c85fd9}.branch-option .branch-num{color:#f3efe68c;font-size:12px;font-weight:500}.board-resize{clip-path:polygon(100% 0,100% 100%,0 100%);opacity:.45;cursor:nwse-resize;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:repeating-linear-gradient(135deg,#0000 0 4px,#e8e2d6 4px 6px);border:none;width:22px;height:22px;padding:0;position:absolute;bottom:0;right:0}@media (pointer:coarse){.board-resize{opacity:.7;width:44px;height:44px}}.board-resize:hover,.board-resize:active{opacity:.9}.board-resize:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.board-toolbar{align-items:center;gap:10px;display:flex}.flip-board{border:1px solid var(--border-strong);min-height:34px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:6px;padding:0 14px;font-weight:800}.flip-board:hover{border-color:var(--accent)}.orientation-label{color:var(--rail-muted);font-size:13px;font-weight:700}.fen-bar{color:var(--rail-text);background:var(--rail-panel);border-radius:6px;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;padding:7px 9px;display:grid}.fen-bar-mobile{display:none}.fen-bar code{overflow-wrap:anywhere}.engine-panel{background:var(--rail-panel);border-radius:6px;grid-template-rows:auto auto auto minmax(0,1fr);gap:8px;height:272px;padding:10px;display:grid;overflow:hidden}.engine-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.engine-title{align-items:baseline;gap:8px;display:flex}.engine-title span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.engine-title strong{color:var(--rail-text)}.onoff-switch{border:1px solid var(--border-strong);border-radius:5px;display:inline-flex;overflow:hidden}.onoff-switch button{min-height:30px;color:var(--rail-muted);background:var(--rail-row);cursor:pointer;border:0;padding:0 12px;font-weight:800}.onoff-switch button+button{border-left:1px solid var(--border-strong)}.onoff-switch button.active{color:var(--accent-text);background:var(--accent);cursor:default}.onoff-switch button:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}.eval-row{align-items:center;gap:10px;display:flex}.eval-score{min-width:56px;color:var(--rail-text);font-variant-numeric:tabular-nums;font-weight:800}.eval-bar{border:1px solid var(--border-strong);background:#111;border-radius:5px;flex:1;height:10px;overflow:hidden}.eval-fill{background:#e8e2d6;height:100%;transition:width .2s}.eval-depth{text-align:right;min-width:62px;color:var(--rail-muted);font-variant-numeric:tabular-nums;font-size:12px}.engine-pv{border:1px solid var(--border-strong);background:var(--field);max-height:76px;color:var(--rail-text);font-family:var(--mono);overflow-wrap:anywhere;border-radius:5px;padding:6px 8px;font-size:12.5px;line-height:1.5;overflow:auto}.engine-lines-control{align-items:center;gap:5px;display:flex}.engine-lines-label{color:var(--rail-muted);margin-right:2px;font-size:13px;font-weight:800}.lines-step{border:1px solid var(--border-strong);width:28px;height:26px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;font-size:16px;font-weight:800;line-height:1}.lines-step:hover:not(:disabled){border-color:var(--accent)}.lines-step:disabled{opacity:.4;cursor:default}.lines-count{text-align:center;min-width:20px;color:var(--rail-text);font-variant-numeric:tabular-nums;font-weight:800}.engine-lines{counter-reset:pvline;align-content:start;gap:4px;min-height:0;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.engine-line{border:1px solid var(--border-strong);background:var(--field);border-radius:5px;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:8px;padding:5px 8px;display:grid}.line-eval{min-width:48px;color:var(--rail-text);font-variant-numeric:tabular-nums;font-weight:800}.line-pv{color:var(--rail-muted);font-family:var(--mono);overflow-wrap:anywhere;font-size:12.5px;line-height:1.45}.engine-line:first-child .line-pv{color:var(--rail-text)}.engine-actions{align-items:center;gap:8px;display:flex}.engine-review{border:1px solid var(--border-strong);min-height:30px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;font-variant-numeric:tabular-nums;border-radius:5px;padding:0 12px;font-weight:800}.engine-review:hover:not(:disabled){border-color:var(--accent)}.engine-review:disabled{opacity:.4;cursor:default}.review-panel{background:var(--rail-panel);border-radius:6px;gap:6px;padding:10px;display:grid}.review-head{align-items:center;gap:10px;display:flex}.review-title{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.review-summary{color:var(--rail-muted);font-variant-numeric:tabular-nums;flex:1;font-size:12.5px;font-weight:700}.review-clear{border:1px solid var(--border-strong);width:24px;height:24px;color:var(--rail-muted);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0;font-weight:800;line-height:1}.review-clear:hover{border-color:var(--accent);color:var(--rail-text)}.eval-graph{border:1px solid var(--border-strong);cursor:pointer;background:#161513;border-radius:5px;width:100%;height:84px;display:block}.eval-area{fill:#e8e2d6d1}.eval-midline{stroke:#e8e2d64d;stroke-width:1px;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}.eval-cursor{stroke:var(--accent);stroke-width:1.5px;vector-effect:non-scaling-stroke}.eval-tick{stroke:currentColor;stroke-width:3px;stroke-linecap:round;vector-effect:non-scaling-stroke}.move-nag{margin-left:2px;font-weight:800}.nag-inaccuracy{color:#d9b23a}.nag-mistake{color:#e0813f}.nag-blunder{color:#e05252}.nag-theory{color:#b48fd6}.nag-novelty{color:#4fb6c9}.analysis-panel,.notation-box,.game-info-box{background:var(--panel);border-radius:6px;padding:10px}.analysis-panel{color:var(--rail-text);background:var(--rail);gap:8px;display:grid}.analysis-panel .notation-box,.analysis-panel .game-info-box{background:var(--rail-panel)}.panel-heading{justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;display:flex}.game-row{border:1px solid var(--border-strong);width:100%;color:var(--text-h);background:var(--selected);font:inherit;text-align:left;border-radius:5px;gap:4px;padding:10px;display:grid}.game-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;display:grid}.game-meta label{background:var(--rail-row);border-radius:5px;gap:4px;min-width:0;padding:8px;display:grid}.game-meta span{color:var(--rail-muted);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:800}.game-meta input,.game-meta select{width:100%;min-width:0;color:var(--rail-text);background:var(--field);font:inherit;border:1px solid #0000;border-radius:4px;padding:4px 6px}.info-toggle{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:6px;flex-wrap:wrap;gap:2px;padding:2px;display:inline-flex}.info-toggle button{min-height:24px;color:var(--rail-muted);letter-spacing:.04em;cursor:pointer;background:0 0;border:0;border-radius:4px;padding:0 8px;font-size:12px;font-weight:800}.info-toggle button.active{color:var(--accent-text);background:var(--accent)}.explorer{gap:8px;display:grid}.explorer-controls{flex-wrap:wrap;gap:6px;display:flex}.explorer-token{gap:8px;display:grid}.explorer-token a{color:#6fa8dc}.explorer-token-row{gap:6px;display:flex}.explorer-token-row input{border:1px solid var(--border-strong);min-width:0;color:var(--rail-text);background:var(--field);font-family:var(--mono);border-radius:5px;flex:1;padding:6px 8px;font-size:12.5px}.explorer-token-row button{border:1px solid var(--border-strong);color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0 12px;font-weight:800}.explorer-token-row button:hover:not(:disabled){border-color:var(--accent)}.explorer-token-row button:disabled{opacity:.4;cursor:default}.explorer-filter{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:6px;justify-self:start;align-items:center;gap:2px;padding:2px;display:inline-flex}.explorer-filter-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;padding:0 8px;font-size:11px;font-weight:700}.explorer-filter button{min-height:24px;color:var(--rail-muted);letter-spacing:.04em;cursor:pointer;background:0 0;border:0;border-radius:4px;padding:0 10px;font-size:12px;font-weight:800}.explorer-filter button.active{color:var(--accent-text);background:var(--accent)}.explorer-summary,.explorer-empty{color:var(--rail-muted);margin:0;font-size:12.5px;line-height:1.45}.explorer-moves{gap:4px;margin:0;padding:0;list-style:none;display:grid}.explorer-move{border:1px solid var(--border-strong);background:var(--field);border-radius:5px;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:8px;padding:4px 8px;display:grid}.explorer-san{min-width:46px;color:var(--rail-text);background:var(--rail-row);font:inherit;font-variant-numeric:tabular-nums;text-align:left;cursor:pointer;border:1px solid #0000;border-radius:4px;padding:2px 6px;font-weight:800}.explorer-san:hover{border-color:var(--accent)}.explorer-count{text-align:right;min-width:20px;color:var(--rail-muted);font-variant-numeric:tabular-nums;font-size:12px}.explorer-bar{border:1px solid var(--border-strong);background:#111;border-radius:4px;height:16px;display:flex;overflow:hidden}.explorer-bar .wr{font-variant-numeric:tabular-nums;white-space:nowrap;justify-content:center;align-items:center;height:100%;font-size:10px;font-weight:800;display:flex;overflow:hidden}.explorer-bar .wr-white{color:#26221d;background:#e8e2d6}.explorer-bar .wr-draw{color:#f0ece4;background:#6f6a61}.explorer-bar .wr-black{color:#d8d1c6;background:#2a2724}.context-menu-overlay{z-index:60;position:fixed;inset:0}.context-menu{border:1px solid var(--border-strong);background:var(--rail-panel);border-radius:6px;min-width:180px;max-width:280px;max-height:calc(100vh - 16px);margin:0;padding:4px;list-style:none;position:fixed;overflow-y:auto;box-shadow:0 8px 24px #00000073}.context-menu li+li{margin-top:2px}.context-menu button{width:100%;color:var(--rail-text);font:inherit;text-align:left;cursor:pointer;overflow-wrap:anywhere;background:0 0;border:0;border-radius:4px;padding:6px 10px;font-size:13px;display:block}.context-menu button:hover{color:var(--accent-text);background:var(--accent)}.import-box{grid-template-columns:minmax(0,1fr);gap:8px;display:grid}.import-box label{margin-bottom:4px;display:block}.import-box input,.import-box textarea{border:1px solid var(--border-strong);width:100%;color:var(--rail-text);background:var(--field);font:inherit;border-radius:5px}.import-box input{padding:7px;font-size:13px}.import-box textarea{resize:vertical;height:96px;font-family:var(--mono);padding:8px;font-size:12px;line-height:1.35}.import-actions{gap:6px;display:flex}.import-actions button{flex:1}.import-actions button,.move-controls button{border:1px solid var(--border-strong);color:var(--rail-text);background:var(--rail-row);border-radius:5px;font-weight:800}.import-actions button{min-height:34px;padding:0 10px}.import-status{color:var(--muted);font-size:13px}.move-list{background:var(--rail-row);border-radius:5px;flex-wrap:wrap;align-items:center;gap:3px 4px;max-height:240px;margin:0;padding:4px;line-height:1.5;display:flex;overflow:auto}.move-list.empty{color:var(--rail-muted);font-size:13px}.move-token{color:var(--rail-text);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:4px;align-items:baseline;gap:4px;padding:2px 6px;display:inline-flex}.move-token:hover{background:#ffffff0f}.move-token.active{color:#fff;background:#2d7fce}.move-num{color:var(--rail-muted);font-variant-numeric:tabular-nums}.move-token.active .move-num{color:#fffc}.move-comment{color:#9fc36a;font-size:13px;font-style:italic}.move-comment.rich{vertical-align:top;border:1px solid var(--border-strong);max-width:100%;color:var(--rail-text);text-align:left;white-space:normal;background:#161513;border-radius:5px;margin:2px 0;padding:4px 8px;font-size:12px;font-style:normal;line-height:1.4;display:inline-block}.move-comment.rich :is(h1,h2,h3){color:inherit}.move-comment.rich :is(h1,h2,h3,p,ul,ol,blockquote,pre){margin:0 0 3px}.move-comment.rich :is(h1,h2,h3,p,ul,ol,blockquote,pre):last-child{margin-bottom:0}.move-comment.rich h1{font-size:15px;font-family:var(--heading)}.move-comment.rich h2{font-size:14px;font-family:var(--heading)}.move-comment.rich h3{font-size:13px;font-weight:800}.move-comment.rich ul,.move-comment.rich ol{padding-left:18px}.move-comment.rich a{color:#6fa8dc}.move-comment.rich img{border-radius:4px;max-width:100%;height:auto;max-height:72px;margin:2px 0;display:block}.variation{color:var(--rail-muted);display:inline}.variation .move-token{font-size:13px}.line-actions{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.line-actions button{border:1px solid var(--border-strong);min-height:32px;color:var(--rail-text);background:var(--rail-row);border-radius:5px;flex:auto;padding:0 10px;font-weight:800}.line-actions button:disabled{opacity:.4}.line-actions .mark-button:not(:disabled){color:#fff;background:#2d7fce;border-color:#2d7fce}.line-actions .repertoire-button:not(:disabled){color:#fff;background:#4f7d2d;border-color:#6d9e45}.line-color{flex-wrap:wrap;align-items:center;gap:5px;margin-top:8px;display:flex}.line-color-label{color:var(--rail-muted);margin-right:2px;font-size:13px;font-weight:800}.line-color .swatch:disabled{opacity:.35;cursor:default}.line-color .swatch.clear{background:var(--rail-row);width:22px;height:22px;color:var(--rail-text);justify-content:center;align-items:center;font-size:14px;font-weight:800;line-height:1;display:inline-flex}.games-intro{color:var(--rail-muted);margin:0 0 12px;font-size:13px}.test-box{color:var(--rail-text);background:var(--rail-panel);border-radius:6px;gap:10px;padding:12px;display:grid}.test-scope{background:var(--rail-row);border-radius:6px;gap:4px;padding:3px;display:flex}.test-scope button{min-height:28px;color:var(--rail-text);background:0 0;border:1px solid #0000;border-radius:4px;flex:1 1 0;padding:0 8px;font-size:12px;font-weight:700}.test-scope button.scope-on{border-color:var(--accent);background:var(--accent);color:var(--accent-text)}.test-branch{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.test-branch span{color:var(--rail-muted);flex:100%;font-size:12px;font-weight:700}.test-branch button{border:1px solid var(--border-strong);min-height:30px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;flex:auto;padding:0 10px;font-size:12px;font-weight:700}.test-branch button:hover{border-color:var(--accent)}.test-stat{background:var(--rail-row);border-radius:5px;justify-content:space-between;align-items:center;gap:12px;padding:8px 10px;display:flex}.test-stat span{color:var(--rail-muted);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:700}.test-feedback{background:var(--rail-row);color:var(--rail-text);border-radius:5px;min-height:20px;margin:0;padding:10px 12px}.test-empty,.test-complete{color:var(--rail-muted);margin:0;font-size:13px}.test-actions{flex-wrap:wrap;gap:6px;display:flex}.test-actions button{border:1px solid var(--border-strong);min-height:34px;color:var(--rail-text);background:var(--rail-row);border-radius:5px;flex:auto;padding:0 12px;font-weight:800}.test-actions button:disabled{opacity:.4}.test-actions .test-next{border-color:var(--accent);background:var(--accent);color:var(--accent-text)}.puzzle-topline{justify-content:space-between;align-items:center;gap:10px;display:flex}.puzzle-chip{background:var(--rail-row);color:var(--rail-text);letter-spacing:.02em;border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:800}.puzzle-timer{font-variant-numeric:tabular-nums;color:var(--rail-text);letter-spacing:.02em;font-size:20px;font-weight:800}.puzzle-timer.low{color:#e0685f}.puzzle-timer.paused{color:var(--rail-muted)}.puzzle-pause-button{background:var(--rail-row);color:var(--rail-text);letter-spacing:.02em;cursor:pointer;border:none;border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:800}.puzzle-pause-button:hover{background:var(--accent);color:var(--accent-text)}.puzzle-pause-overlay{z-index:8;text-align:center;background:var(--rail-panel);color:var(--rail-text);place-content:center;justify-items:center;gap:10px;padding:24px;display:grid;position:absolute;inset:0}.puzzle-pause-icon{font-size:42px;line-height:1}.puzzle-pause-overlay p{max-width:32ch;margin:0}.puzzle-result{border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:800}.puzzle-result.solved{color:#7cc46a;background:#78b9642e}.puzzle-result.failed{color:#e0685f;background:#e0685f2e}.puzzle-themes{flex-wrap:wrap;gap:5px;display:flex}.puzzle-theme{background:var(--rail-row);color:var(--rail-muted);border-radius:4px;padding:2px 8px;font-size:11.5px;font-weight:700}.puzzle-theme.targeted{color:var(--accent-text);background:var(--accent)}.puzzle-why{color:var(--rail-muted);font-size:12.5px;line-height:1.35}.puzzle-weakness{background:var(--rail-row);border-radius:5px;gap:6px;padding:10px;display:grid}.puzzle-weakness-head{color:var(--rail-muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:baseline;gap:8px;font-size:10.5px;font-weight:800;display:flex}.puzzle-weakness-head strong{color:var(--accent);font-size:10.5px}.puzzle-weakness-row{grid-template-columns:minmax(0,1fr) 60px auto;align-items:center;gap:8px;font-size:12px;display:grid}.puzzle-weakness-name{color:var(--rail-text);text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.puzzle-weakness-bar{background:var(--field);border-radius:3px;height:6px;overflow:hidden}.puzzle-weakness-bar span{background:var(--accent);border-radius:3px;height:100%;display:block}.puzzle-weakness-pct{color:var(--rail-muted);font-variant-numeric:tabular-nums;font-weight:700}.puzzle-weakness-pct em{opacity:.7;font-style:normal;font-weight:400}.puzzle-weakness-hint{color:var(--muted);font-size:11.5px;line-height:1.35}.puzzle-link{border:1px solid var(--border-strong);min-height:34px;color:var(--rail-text);background:var(--rail-row);border-radius:5px;flex:auto;justify-content:center;align-items:center;padding:0 12px;font-weight:800;text-decoration:none;display:inline-flex}.puzzle-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;display:grid}.puzzle-stat{background:var(--rail-row);text-align:center;border-radius:5px;gap:2px;padding:8px 10px;display:grid}.puzzle-stat span{color:var(--rail-muted);letter-spacing:.06em;text-transform:uppercase;font-size:10.5px;font-weight:700}.puzzle-stat strong{color:var(--rail-text);font-variant-numeric:tabular-nums;font-size:18px}.playout-goal{background:var(--rail-row);border-left:4px solid var(--accent);border-radius:5px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.playout-goal.win{border-left-color:#e0a35f}.playout-goal span{color:var(--rail-muted);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:700}.playout-goal strong{color:var(--rail-text);font-size:15px}.playout-result{text-align:center;border-radius:5px;margin:0;padding:8px 12px;font-weight:800}.playout-result.pass{color:#7cc46a;background:#78b9642e}.playout-result.fail{color:#e0685f;background:#e0685f2e}.playout-moves{background:var(--rail-row);color:var(--rail-muted);word-break:break-word;border-radius:5px;max-height:140px;padding:8px 10px;font-size:13px;line-height:1.5;overflow-y:auto}.board3d-wrap{width:100%;width:min(100%, calc(100svh - 110px), var(--board-size,600px));aspect-ratio:1;background:radial-gradient(120% 120% at 50% 20%,#2c2720 0%,#16130e 100%);position:relative;overflow:hidden}.board3d-canvas{cursor:grab;width:100%;height:100%}.board3d-canvas:active{cursor:grabbing}.board3d-lock{color:#f0e9dc;cursor:pointer;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#14110cb8;border:1px solid #ffffff38;border-radius:6px;padding:6px 11px;font-size:12.5px;font-weight:700;position:absolute;top:10px;right:10px}.board3d-lock.on{border-color:var(--accent,#6fa8dc);background:color-mix(in srgb, var(--accent,#6fa8dc) 30%, #14110ccc)}.board3d-light{color:#f0e9dc;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#14110cb8;border:1px solid #ffffff38;border-radius:6px;align-items:center;gap:7px;padding:5px 10px;font-size:13px;display:flex;position:absolute;bottom:10px;right:10px}.board3d-light input[type=range]{width:92px;accent-color:var(--accent,#6fa8dc);cursor:pointer}.board3d-loading{width:min(100%, calc(100svh - 110px), var(--board-size,600px));aspect-ratio:1;color:var(--rail-muted);background:#17140f;place-items:center;font-weight:700;display:grid}.test-autonext{background:var(--rail-row);color:var(--rail-text);cursor:pointer;border-radius:5px;align-items:center;gap:8px;padding:6px 10px;font-size:13px;font-weight:700;display:flex}.test-autonext input{accent-color:var(--accent)}.test-review-hint{color:var(--rail-muted);margin:0;font-size:12.5px;line-height:1.45}.test-notes{background:var(--rail-row);border-radius:5px;gap:6px;max-height:260px;padding:8px 10px;display:grid;overflow-y:auto}.test-note{border-radius:4px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:8px;padding:5px 6px;transition:background .12s;display:grid}.test-note.active{background:color-mix(in srgb, var(--accent) 18%, transparent)}.test-note-move{min-height:0;color:var(--rail-text);white-space:nowrap;cursor:pointer;background:0 0;border:0;padding:0;font-size:13px;font-weight:800}.test-note-move:hover,.test-note-move:focus-visible,.test-note.active .test-note-move{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.move-controls{grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:8px;display:grid}.move-controls button{min-height:34px;color:var(--rail-text);background:var(--rail-row);font-size:15px}.move-controls button:disabled{opacity:.4}.nav-hint{color:var(--rail-muted);margin-top:8px;font-size:12px}.import-list-panel{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:6px;margin-bottom:12px;padding:10px 12px}.import-list-panel summary{color:var(--rail-text);cursor:pointer;font-weight:800}.import-list-panel p{color:var(--rail-muted);margin:8px 0;font-size:13px}.import-list-panel input{color:var(--rail-text)}.notes-tab{gap:8px;display:grid}.saved-note{color:var(--rail-muted);background:var(--rail-row);border-radius:5px;margin:0;padding:8px 10px;font-size:13px}.rich-note-editor{gap:8px;display:grid}.note-toolbar{flex-wrap:wrap;align-items:center;gap:4px 8px;display:flex}.tool-group{border-right:1px solid var(--border-strong);align-items:center;gap:3px;padding-right:8px;display:flex}.tool-group:last-child{border-right:0;padding-right:0}.note-toolbar button{border:1px solid var(--border-strong);min-width:28px;height:28px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;padding:0 6px;font-size:13px;font-weight:700;line-height:1}.note-toolbar button:hover{border-color:var(--accent)}.tool-label{color:var(--rail-muted);font-size:13px;font-weight:800}.tool-label.hi{color:#d9c86a}.swatch{cursor:pointer;border:1px solid #00000059;border-radius:4px;width:20px;height:20px;padding:0}.swatch:hover{outline:2px solid var(--accent);outline-offset:1px}.rich-note{border:1px solid var(--border-strong);min-height:150px;max-height:360px;color:var(--rail-text);text-align:left;background:#161513;border-radius:6px;padding:12px 14px;font-size:14px;line-height:1.5;overflow-y:auto}.rich-note:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.rich-note:empty:before{content:attr(data-placeholder);color:var(--muted)}.rich-note :is(h1,h2,h3){color:inherit}.rich-note h1{font-size:22px;font-family:var(--heading);margin:4px 0 6px}.rich-note h2{font-size:18px;font-family:var(--heading);margin:4px 0 6px}.rich-note h3{margin:4px 0;font-size:15px;font-weight:800}.rich-note p{margin:0 0 6px}.rich-note ul,.rich-note ol{margin:0 0 6px;padding-left:22px}.rich-note a{color:#6fa8dc}.rich-note{scrollbar-color:#4a4339 #161513}.note-img{border-radius:6px;max-width:100%;height:auto;margin:6px 0;display:block}.rich-note-editor.disabled .rich-note{opacity:.6}.rich-note-editor.disabled .note-toolbar{opacity:.4;pointer-events:none}.note-save{border:1px solid var(--border-strong);min-height:34px;color:var(--rail-text);background:var(--rail-row);cursor:pointer;border-radius:5px;justify-self:end;padding:0 14px;font-weight:800}.note-save:disabled{opacity:.45;cursor:default}.rich-note:focus-visible,.note-toolbar button:focus-visible,.note-save:focus-visible,.game-meta input:focus-visible,.game-meta select:focus-visible,.game-row:focus-visible,.import-box input:focus-visible,.import-box textarea:focus-visible,.import-actions button:focus-visible,.move-row button:focus-visible,.move-controls button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.solitaire-view{grid-template-columns:minmax(360px, var(--board-size,600px)) minmax(320px, 440px);width:min(100%, calc(var(--board-size,600px) + 458px));align-items:start;gap:18px;margin:0 auto;display:grid}.solitaire-board-column,.solitaire-panel{min-width:0}.solitaire-game-meta{color:var(--muted);justify-content:space-between;gap:12px;padding:10px 2px;font-size:13px;display:flex}.solitaire-game-meta strong{color:var(--text)}.solitaire-panel{border:1px solid var(--border-strong);background:var(--rail);color:var(--rail-text);border-radius:6px;padding:16px}.solitaire-panel h2{color:var(--rail-text);margin:22px 0 8px;font-size:14px}.solitaire-opening{color:var(--rail-muted);margin-bottom:14px;font-size:13px}.solitaire-score{border-block:1px solid var(--border-strong);align-items:baseline;gap:12px;padding:14px 0;display:flex}.solitaire-score strong{color:#d9c86a;font-size:34px}.solitaire-score span{color:var(--rail-muted);font-size:13px}.solitaire-moves{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;max-height:230px;margin-top:14px;display:grid;overflow-y:auto}.solitaire-move{border:1px solid var(--border-strong);background:var(--rail-row);border-radius:4px;grid-template-columns:22px minmax(0,1fr);align-items:center;min-height:38px;padding:5px 8px;display:grid}.solitaire-move small{color:var(--rail-muted);grid-column:2}.solitaire-mark.exact{color:#7fba72}.solitaire-mark.alternate{color:#d9c86a}.solitaire-mark.missed{color:#df7777}.solitaire-history{border-top:1px solid var(--border-strong)}.solitaire-history>div{border-bottom:1px solid var(--border-strong);color:var(--rail-muted);justify-content:space-between;gap:10px;padding:8px 2px;font-size:12px;display:flex}.solitaire-history strong{color:var(--rail-text)}@media (width<=1180px){.games-sidebar{order:10;grid-column:1/-1;max-height:none;position:static}}@media (width>=981px) and (width<=1180px){.workspace.with-sidebar{grid-template-columns:minmax(360px, var(--board-size,600px)) minmax(360px, 1fr)}}@media (width<=980px){.workspace,.workspace.with-sidebar,.solitaire-view{grid-template-columns:minmax(0,1fr)}.board-shell,.solitaire-board-column{width:min(100%,600px)}.board-column .fen-bar{display:none}.fen-bar-mobile{order:20;display:grid}}@media (width<=680px){.app-shell{padding:0}.workspace,.board-column{gap:0}.top-nav{border-radius:0;flex-wrap:wrap}.fen-bar,.analysis-panel{border-radius:0}.import-box{grid-template-columns:minmax(0,1fr)}.board-shell{width:100%}.solitaire-panel{border-radius:0}.solitaire-moves{grid-template-columns:minmax(0,1fr)}}.calendar-nav{align-items:center;gap:10px;display:flex}.calendar-month{text-align:center;min-width:150px;font-size:17px}.calendar-nav button{background:var(--rail-row);color:var(--rail-text);cursor:pointer;border:none;border-radius:6px;padding:6px 12px;font-weight:700}.calendar-nav button:hover{background:var(--accent);color:var(--accent-text)}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.calendar-weekday{color:var(--rail-muted);text-transform:uppercase;letter-spacing:.05em;padding:4px 8px;font-size:12.5px;font-weight:700}.calendar-cell{background:var(--rail-panel);min-height:96px;color:var(--rail-text);border-radius:8px;align-content:start;gap:3px;padding:8px;display:grid}.calendar-cell.blank{background:0 0}.calendar-cell.today{outline:2px solid var(--accent);outline-offset:-2px}.calendar-daynum{color:var(--rail-muted);justify-content:space-between;align-items:center;font-size:13.5px;font-weight:800;display:flex}.calendar-cell.today .calendar-daynum{color:var(--accent)}.calendar-alldone{color:var(--accent);font-size:13px}.calendar-stat{font-variant-numeric:tabular-nums;white-space:nowrap;align-items:baseline;gap:5px;font-size:13px;font-weight:700;display:flex}.calendar-substat{color:var(--rail-muted);font-size:11px;font-weight:600}.calendar-stat.delta.up{color:#8fbc5a}.calendar-stat.delta.down{color:#e0685f}.calendar-stat.delta{font-size:12px}@media (width<=760px){.calendar-cell{min-height:74px;padding:5px}.calendar-stat{font-size:11.5px}.calendar-substat{display:none}}.daily-checklist{z-index:60;width:232px;color:var(--rail-text);background:var(--rail-panel);border:1px solid var(--border-strong,#ffffff1a);border-radius:10px;gap:8px;padding:12px;font-size:14px;display:grid;position:fixed;bottom:16px;right:16px;box-shadow:0 8px 30px #00000059}.checklist-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.checklist-title{font-weight:700}.checklist-head-right{align-items:center;gap:8px;display:flex}.checklist-points{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700}.checklist-streak{font-variant-numeric:tabular-nums;font-weight:600}.checklist-collapse{color:var(--rail-muted);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:18px;line-height:1}.checklist-collapse:hover{color:var(--rail-text)}.checklist-items{gap:4px;margin:0;padding:0;list-style:none;display:grid}.checklist-item{background:var(--rail-row);border-radius:6px;align-items:center;gap:8px;padding:6px 8px;display:flex}.checklist-item.done{opacity:.72}.checklist-mark{text-align:center;width:16px;color:var(--rail-muted);font-weight:700}.checklist-item.done .checklist-mark{color:var(--accent)}.checklist-label{text-align:left;color:inherit;font:inherit;cursor:pointer;background:0 0;border:none;flex:1;padding:0}.checklist-label:hover{text-decoration:underline}.checklist-item.done .checklist-label{text-decoration:line-through;-webkit-text-decoration-color:var(--rail-muted);text-decoration-color:var(--rail-muted)}.checklist-progress{font-variant-numeric:tabular-nums;color:var(--rail-muted);font-size:12px}.checklist-complete{text-align:center;color:var(--accent);margin:2px 0 0;font-weight:600}.checklist-pill{z-index:60;border:1px solid var(--border-strong,#ffffff1a);background:var(--rail-panel);color:var(--rail-text);cursor:pointer;font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:6px;padding:8px 12px;font-weight:700;display:flex;position:fixed;bottom:16px;right:16px;box-shadow:0 6px 20px #0000004d}.checklist-pill:hover{border-color:var(--accent)}.checklist-pill-count{color:var(--accent)}.checklist-pill-streak{font-weight:600}@media (width<=640px){.daily-checklist{width:200px;bottom:8px;right:8px}.checklist-pill{bottom:8px;right:8px}}.puzzle-source{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.puzzle-source label{color:var(--muted,#9aa0a6);align-items:center;gap:6px;font-size:.85rem;display:flex}.puzzle-source select{max-width:240px}.puzzle-set-upload{cursor:pointer;border:1px solid var(--border,#3a3f45);white-space:nowrap;border-radius:6px;padding:4px 10px}.puzzle-set-upload:hover{border-color:var(--accent,#7cb342);color:var(--accent,#7cb342)}.puzzle-set-actions{gap:6px;display:inline-flex}.puzzle-set-actions button{padding:3px 8px;font-size:.8rem}.login-shell{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:14px;width:100%;max-width:420px;padding:32px 36px;display:flex}.login-card h1{color:var(--text-h);margin:0;font-size:1.6rem}.login-card p{color:var(--text);margin:0}.login-error{color:#c0392b;font-weight:600}.login-invite{color:var(--text-h);flex-direction:column;gap:6px;font-weight:600;display:flex}.login-invite span{color:var(--text);font-weight:400}.login-invite input{border:1px solid var(--border-strong);font:inherit;letter-spacing:.1em;text-transform:uppercase;border-radius:8px;padding:8px 10px}.login-button{background:var(--accent);color:var(--accent-text);cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:1rem;font-weight:700}.login-button:disabled{opacity:.6;cursor:default}.login-note{font-size:.85rem}.login-licenses{border-top:1px solid var(--border);padding-top:10px;font-size:.75rem}.login-licenses a{color:var(--accent)}