:root{--color-bg: #161826;--color-surface: #232532;--color-text: #e9e9ed;--color-accent: #9184d9;--color-accent-2: #a7a1db;--color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);--color-neutral-100: #f3f5fe;--color-neutral-200: #e4e7f5;--color-neutral-300: #cfd3e5;--color-neutral-400: #b2b6ca;--color-neutral-500: #9397ab;--color-neutral-600: #75798c;--color-neutral-700: #595d6c;--color-neutral-800: #3f424d;--color-neutral-900: #292b31;--color-accent-100: #f5f4ff;--color-accent-200: #e7e5fe;--color-accent-300: #d2cefd;--color-accent-400: #b5abfc;--color-accent-500: #968ae0;--color-accent-600: #796cbf;--color-accent-700: #5d5294;--color-accent-800: #423a6a;--color-accent-900: #2b2741;--color-accent-2-100: #f5f4ff;--color-accent-2-200: #e7e5fe;--color-accent-2-300: #d2cefd;--color-accent-2-400: #b5afe8;--color-accent-2-500: #9690c9;--color-accent-2-600: #7972a9;--color-accent-2-700: #5c5783;--color-accent-2-800: #423e5d;--color-accent-2-900: #2b293a;--color-section: #262a60;--color-section-glow: #353b80;--color-section-ghost: #4c5397;--font-heading: "Inter", system-ui, sans-serif;--font-heading-weight: 500;--font-body: "Inter", system-ui, sans-serif;--space-1: 2.8px;--space-2: 5.6px;--space-3: 8.4px;--space-4: 11.2px;--space-6: 16.8px;--space-8: 22.4px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--shadow-sm: 0 0 0 1px #3f424d;--shadow-md: 0 0 0 1px #595d6c, 0 6px 18px rgba(0, 0, 0, .55);--shadow-lg: 0 0 0 1px #9397ab, 0 16px 40px rgba(0, 0, 0, .65)}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body)}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:var(--font-heading-weight)}.lighten{mix-blend-mode:lighten;background-color:transparent}body{margin:0;font-size:15px;line-height:1.55;font-weight:400}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:var(--font-heading-weight);line-height:1.12;letter-spacing:-.015em;margin:0 0 var(--space-2)}h1{font-size:42px}h2{font-size:32px}h3{font-size:25px}h4{font-size:20px}h5{font-size:16px}h6{font-size:13px}h6{letter-spacing:.08em;text-transform:uppercase}p{margin:0 0 var(--space-3)}a{color:var(--color-accent);text-underline-offset:3px}img{display:block;max-width:100%}figure{margin:0}figcaption{font-size:11px;margin-top:var(--space-1);color:color-mix(in srgb,var(--color-text) 55%,transparent)}.text-muted{color:color-mix(in srgb,var(--color-text) 55%,transparent)}:focus{outline:none}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background:color-mix(in srgb,var(--color-accent) 30%,transparent)}.hr{height:1px;border:0;margin:var(--space-4) 0;background:linear-gradient(to right,transparent,var(--color-divider) 48px,var(--color-divider) calc(100% - 48px),transparent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;text-decoration:none;font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:13px;line-height:1.2;color:var(--color-text);background:transparent;border:1px solid transparent;padding:calc(var(--space-2) * .85) var(--space-3);border-radius:var(--radius-md)}.btn svg{display:block}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{color:var(--color-accent);border-color:var(--color-accent)}.btn-primary:hover{background:color-mix(in srgb,var(--color-accent) 12%,transparent)}.btn-primary:active{background:color-mix(in srgb,var(--color-accent) 22%,transparent)}.btn-secondary{border-color:var(--color-divider)}.btn-secondary:hover{background:color-mix(in srgb,var(--color-text) 7%,transparent)}.btn-secondary:active{background:color-mix(in srgb,var(--color-text) 14%,transparent)}.btn-ghost{color:var(--color-accent);padding-inline:var(--space-1)}.btn-ghost:hover{background:color-mix(in srgb,var(--color-accent) 10%,transparent)}.btn-ghost:active{background:color-mix(in srgb,var(--color-accent) 18%,transparent)}.btn-icon{width:34px;height:34px;padding:0}.btn-block{width:100%;margin-top:var(--space-2)}.field>label{display:block;font-size:12px;margin-bottom:5px;color:color-mix(in srgb,var(--color-text) 70%,transparent)}.input{width:100%;min-height:36px;padding:6px 10px;font:inherit;font-size:14px;color:var(--color-text);caret-color:var(--color-accent);background:var(--color-surface);border:1px solid var(--color-divider);border-radius:var(--radius-md)}.input:hover{border-color:color-mix(in srgb,var(--color-text) 45%,transparent)}.input:focus-visible{border-color:var(--color-accent);outline-offset:0}textarea.input{min-height:90px;resize:vertical}.radio{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}.radio input,.seg-opt input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.radio .dot{width:16px;height:16px;flex:none;border-radius:50%;border:1.5px solid var(--color-divider)}.radio:hover .dot{border-color:var(--color-accent)}.radio input:checked+.dot{border-color:var(--color-accent);background:var(--color-accent);box-shadow:inset 0 0 0 4px var(--color-bg)}.radio input:focus-visible+.dot{outline:2px solid var(--color-accent);outline-offset:2px}.seg{display:inline-flex;overflow:hidden;border:1px solid var(--color-divider);border-radius:var(--radius-md)}.seg-opt{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;font-size:13px;cursor:pointer}.seg-opt+.seg-opt{border-left:1px solid var(--color-divider)}.seg-opt:has(input:checked){color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent)}.seg-opt:not(:has(input:checked)):hover{background:color-mix(in srgb,var(--color-text) 7%,transparent)}.seg-opt:has(input:focus-visible){outline:2px solid var(--color-accent);outline-offset:-2px}.card{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3);border-radius:var(--radius-md);background:var(--color-surface)}.card-kicker{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent)}.card-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:17px;line-height:1.2}.card-body{margin:0;font-size:13px;opacity:.8;flex:1}.card-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:color-mix(in srgb,var(--color-text) 50%,transparent)}.elev-sm{box-shadow:var(--shadow-sm)}.elev-md{box-shadow:var(--shadow-md)}.elev-lg{box-shadow:var(--shadow-lg)}.tag{display:inline-flex;align-items:center;font-size:11px;letter-spacing:.02em;padding:3px 10px;border-radius:calc(var(--radius-md) * .75)}.tag-accent{background:var(--color-accent-800);color:var(--color-accent-100)}.tag-accent-2{background:var(--color-accent-2-800);color:var(--color-accent-2-100)}.tag-neutral{background:var(--color-neutral-800);color:var(--color-neutral-100)}.tag-outline{border:1px solid var(--color-accent);color:var(--color-accent)}.nav{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-4);border-bottom:none}.nav-brand{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:18px;margin-right:auto}.nav a{color:inherit;text-decoration:none;font-size:14px}.nav a:hover,.nav a[aria-current=page]{color:var(--color-accent)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb,var(--color-text) 60%,transparent);padding:var(--space-2);border-bottom:1px solid transparent}.table td{padding:var(--space-2);border-bottom:1px solid transparent}.table thead tr{background:linear-gradient(to right,transparent,var(--color-divider) 48px,var(--color-divider) calc(100% - 48px),transparent) no-repeat bottom / 100% 1px}.table tbody tr{background:linear-gradient(to right,transparent,color-mix(in srgb,var(--color-text) 8%,transparent) 48px,color-mix(in srgb,var(--color-text) 8%,transparent) calc(100% - 48px),transparent) no-repeat bottom / 100% 1px}.table tbody tr:hover{background:linear-gradient(color-mix(in srgb,var(--color-text) 4%,transparent),color-mix(in srgb,var(--color-text) 4%,transparent)) no-repeat 0 0 / 100% 100%,linear-gradient(to right,transparent,color-mix(in srgb,var(--color-text) 8%,transparent) 48px,color-mix(in srgb,var(--color-text) 8%,transparent) calc(100% - 48px),transparent) no-repeat bottom / 100% 1px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:var(--space-4);background:color-mix(in srgb,var(--color-neutral-900) 50%,transparent)}.dialog{width:min(440px,100%);display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-lg)}.dialog-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:20px}.dialog-body{font-size:14px;opacity:.85}.dialog-actions{display:flex;justify-content:flex-end;gap:var(--space-2);margin-top:var(--space-2)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body, system-ui, sans-serif)}#app{display:flex;flex-direction:column;min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.board-wrap{--board-size: min( calc(100vw - 8px) , calc(100dvh - 12rem) );width:var(--board-size);max-width:100%;aspect-ratio:1;margin:0 auto}.board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));width:100%;height:100%;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md);touch-action:manipulation;-webkit-user-select:none;user-select:none}.sq{position:relative;display:flex;align-items:center;justify-content:center}.sq.light{background:#262a3a}.sq.dark{background:#1a1c28}.sq .coord{position:absolute;font-size:9px;font-weight:600;opacity:.4;letter-spacing:.03em;pointer-events:none}.sq .coord.file{bottom:1px;right:2px}.sq .coord.rank{top:1px;left:2px}.sq.last{background-image:linear-gradient(color-mix(in srgb,var(--color-accent) 20%,transparent),color-mix(in srgb,var(--color-accent) 20%,transparent))}.sq.sel{box-shadow:inset 0 0 0 2px var(--color-accent)}.sq.check:after,.sq.capture:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle,color-mix(in srgb,#ff2d3f 82%,transparent),transparent 70%)}.sq .marker{position:absolute;pointer-events:none}.sq .marker.dot{width:30%;height:30%;border-radius:50%;background:color-mix(in srgb,var(--color-accent) 55%,transparent)}@media(hover:hover){.sq.legal:hover{box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--color-accent) 70%,transparent)}}.piece{position:relative;z-index:2;width:70%;height:70%;display:flex;align-items:center;justify-content:center}.piece .cp{width:100%;height:100%}.piece .cp-p{transform:scale(.8)}.piece.w .cp{fill:var(--color-neutral-100);stroke:var(--color-neutral-900)}.piece.b .cp{fill:var(--color-neutral-900);stroke:var(--color-neutral-100)}.piece .cp path,.piece .cp polygon{stroke-width:10;stroke-linejoin:round;stroke-linecap:round}.strip{padding:var(--space-3, .5rem) var(--space-6, 1rem)}.strip-label,.strip-note{color:color-mix(in srgb,var(--color-text) 55%,transparent)}.actions{margin-top:auto;display:flex;gap:var(--space-4, .75rem);justify-content:center;padding:var(--space-6, 1rem)}.actions button,.screen button{min-height:44px;min-width:44px;padding:0 var(--space-6, 1rem);border:0;border-radius:8px;background:var(--color-accent);color:var(--color-neutral-100);font:inherit}.screen{display:flex;flex-direction:column;gap:var(--space-4, .75rem);padding:var(--space-8, 1.5rem);flex:1}.game{padding-inline:4px}.invite{display:flex;flex-direction:column;gap:var(--space-4, .75rem)}.invite-link{width:100%;font-size:.85rem;text-overflow:ellipsis}.screen input{min-height:44px;padding:0 var(--space-4, .75rem);border:1px solid var(--color-divider);border-radius:8px;background:var(--color-surface);color:var(--color-text);font:inherit}@media(orientation:landscape)and (max-height:500px){.game{flex-direction:row;align-items:center}.board-wrap{--board-size: min(100dvh, 60vw)}}