.app{--gutter:clamp(12px, 3vw, 32px);--topbar-h:60px;--bar-h:54px;--gap:10px;--eval-w:24px;--footer-h:46px;--side-w:372px;min-height:calc(100 * var(--dvh));max-width:1500px;padding:0 var(--gutter);grid-template-rows:auto 1fr auto;margin:0 auto;display:grid}.topbar{height:var(--topbar-h);justify-content:space-between;align-items:center;gap:12px;display:flex}.brand{color:var(--text);border-radius:var(--r-s);align-items:center;gap:11px;text-decoration:none;display:inline-flex}.brand-mark{background:linear-gradient(145deg, var(--surface-3), var(--surface-2));border:1px solid var(--line-strong);width:38px;height:38px;box-shadow:var(--shadow-1);border-radius:12px;place-items:center;display:grid}.brand-mark svg{width:30px;height:30px}.brand-name{letter-spacing:-.02em;font-size:20px;font-weight:750}.brand-name small{letter-spacing:0;color:var(--muted);margin-left:8px;font-size:12px;font-weight:550}.topbar-actions{align-items:center;gap:8px;display:flex}.stage{--reserved:calc(var(--topbar-h) + 2 * var(--bar-h) + 4 * var(--gap) + var(--footer-h) + 30px);--stage-gap:clamp(18px, 3vw, 40px);--board:max(300px, min(calc(100 * var(--dvh) - var(--reserved)), calc(100vw - var(--side-w) - 2 * var(--gutter) - var(--eval-w) - var(--gap) - var(--stage-gap))));--stack-h:calc(var(--board) + 2 * var(--bar-h) + 2 * var(--gap));grid-template-columns:auto var(--side-w);gap:var(--stage-gap);justify-content:center;align-items:start;padding:8px 0 18px;display:grid}.board-area{width:calc(var(--board) + var(--eval-w) + var(--gap));gap:var(--gap);flex-direction:column;min-width:320px;max-width:100%;margin-inline:auto;display:flex}.board-wrap{grid-template-columns:var(--eval-w) minmax(0, 1fr);gap:var(--gap);align-items:stretch;display:grid}.board-frame{aspect-ratio:1;border-radius:var(--r-m);width:100%;box-shadow:var(--board-shadow);background:var(--sq-dark);padding:0;position:relative}.board-frame:before{content:"";border-radius:calc(var(--r-m) + 1px);pointer-events:none;z-index:6;border:1px solid #ffffff1f;position:absolute;inset:-1px}.side{min-width:0;height:var(--stack-h);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;flex-direction:column;gap:14px;display:flex;overflow-y:auto}.footer{min-height:var(--footer-h);color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 18px;padding:10px 0 14px;font-size:13px;display:flex}.footer nav{flex-wrap:wrap;gap:4px 18px;display:flex}.footer a{color:var(--text-2);text-decoration:none}.footer a:hover{color:var(--accent-text);text-decoration:underline}@media (max-width:900px){.stage{--board:max(236px, min(calc(100 * var(--dvh) - var(--reserved)), calc(100vw - 2 * var(--gutter) - var(--eval-w) - var(--gap)), 760px));grid-template-columns:minmax(0,1fr);gap:18px}.side{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);grid-template-areas:"moves controls""moves level";gap:14px;width:100%;max-width:880px;height:auto;margin-inline:auto;display:grid}.moves-card{grid-area:moves}.controls-card{grid-area:controls}.level-card{grid-area:level}}@media (max-width:720px){.app{--bar-h:46px;--gap:8px;--eval-w:10px;--topbar-h:54px}.stage{--reserved:calc(var(--topbar-h) + 2 * var(--bar-h) + 4 * var(--gap) + 24px)}.board-area{min-width:0}.side{grid-template-columns:minmax(0,1fr);grid-template-areas:"controls""moves""level"}.brand-name small,.topbar-actions .btn span.label{display:none}}@media (max-width:340px){.brand-name{display:none}.topbar-actions{gap:6px}}@media (max-height:520px) and (orientation:landscape){.app{--topbar-h:0px;--bar-h:36px;--gap:6px;--footer-h:0px;--side-w:310px;position:relative}.topbar{top:6px;right:var(--gutter);z-index:5;height:auto;position:absolute}.brand{display:none}.stage{--reserved:calc(2 * var(--bar-h) + 4 * var(--gap) + 12px);--board:max(200px, min(calc(100 * var(--dvh) - var(--reserved)), calc(100vw - var(--side-w) - 2 * var(--gutter) - var(--eval-w) - var(--gap) - 16px)));grid-template-columns:auto var(--side-w);gap:16px;padding-top:6px}.board-area{min-width:0}.side{height:auto;max-height:calc(100 * var(--dvh) - 12px);padding-top:52px;display:flex;overflow-y:auto}.moves-card{flex:none;min-height:0}.moves-scroll{flex:none;max-height:150px}.footer{display:none}}.board{border-radius:var(--r-m);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;cursor:default;isolation:isolate;outline:none;width:100%;height:100%;position:relative;overflow:hidden}.board:focus-visible{box-shadow:0 0 0 3px var(--focus);border-radius:var(--r-m)}.squares{grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);display:grid;position:absolute;inset:0}.sq{min-width:0;min-height:0;transition:background-color .3s;position:relative}.sq.light{background-color:var(--sq-light)}.sq.dark{background-color:var(--sq-dark)}.squares:after{content:"";pointer-events:none;background:linear-gradient(135deg,#ffffff1a,#fff0 38%,#00000017);position:absolute;inset:0}.coord{letter-spacing:.02em;pointer-events:none;opacity:.9;font-size:clamp(8px,1.45vmin,12px);font-weight:650;line-height:1;position:absolute}.coord.file{bottom:4%;right:5%}.coord.rank{top:4%;left:5%}.sq.light .coord{color:var(--sq-dark)}.sq.dark .coord{color:var(--sq-light)}.sq.last{box-shadow:inset 0 0 0 100px var(--hl-last)}.sq.selected{box-shadow:inset 0 0 0 100px var(--hl-sel)}.sq.hover{box-shadow:inset 0 0 0 4px #ffffffd9,inset 0 0 0 100px #ffffff24}.sq.cursor{outline:3px solid var(--focus);outline-offset:-3px;z-index:2}.sq.target:after{content:"";z-index:3;pointer-events:none;background:radial-gradient(circle at center, var(--target) 0 16%, transparent 17%);animation:dot-in .16s var(--ease) both;position:absolute;inset:0}.sq.target.capture:after{background:radial-gradient(circle at center, transparent 0 62%, var(--target) 63% 100%)}.sq.check:before{content:"";z-index:1;pointer-events:none;background:radial-gradient(circle,#ff3434f2 0%,#ff3434b3 26%,#ff343447 52%,#ff343400 72%);animation:1.5s ease-in-out infinite check-pulse;position:absolute;inset:-12%}@keyframes check-pulse{0%,to{opacity:.78;transform:scale(.96)}50%{opacity:1;transform:scale(1.06)}}@keyframes dot-in{0%{opacity:0;transform:scale(.4)}}.pieces,.fx{pointer-events:none;position:absolute;inset:0}.fx{z-index:1}.pieces{z-index:2}.piece{width:12.5%;height:12.5%;translate:calc(var(--x,0) * 100%) calc(var(--y,0) * 100%);will-change:translate;pointer-events:none;position:absolute;top:0;left:0}.piece.sliding{transition:translate var(--move-ms) var(--ease) var(--delay,0s);z-index:5}.piece.no-anim{transition:none!important}.piece.dragging{z-index:30;transition:none}.piece-svg{width:100%;height:100%;transition:scale .14s var(--ease);display:block;overflow:visible}.piece.dragging .piece-svg{filter:drop-shadow(0 8px 8px #00000061);scale:1.16}.piece.lift .piece-svg{animation:lift var(--move-ms) var(--ease)}@keyframes lift{0%,to{scale:1}45%{scale:1.14}}.piece.captured{z-index:1;animation:.42s ease-in forwards captured}@keyframes captured{to{opacity:0;rotate:14deg;scale:.35}}.piece.appear .piece-svg{animation:appear .3s var(--ease-spring) both}@keyframes appear{0%{opacity:0;scale:.55}}.piece.intro .piece-svg{animation:intro .6s var(--ease-spring) both;animation-delay:calc(var(--i,0) * 16ms)}@keyframes intro{0%{opacity:0;transform:translateY(-34%)scale(.55)}}.piece.promoted .piece-svg{animation:promoted .45s var(--ease-spring)}@keyframes promoted{0%{filter:brightness(1.8);scale:.5}60%{scale:1.22}to{filter:none;scale:1}}.piece.shake .piece-svg{animation:.32s shake}@keyframes shake{20%{transform:translate(-7%)}40%{transform:translate(6%)}60%{transform:translate(-4%)}80%{transform:translate(2%)}}.burst{width:12.5%;height:12.5%;translate:calc(var(--x,0) * 100%) calc(var(--y,0) * 100%);position:absolute;top:0;left:0}.burst:after{content:"";border:3px solid var(--accent);box-shadow:0 0 14px var(--accent);border-radius:50%;animation:.6s ease-out forwards burst;position:absolute;inset:14%}@keyframes burst{0%{opacity:.95;transform:scale(.35)}to{opacity:0;transform:scale(1.7)}}.arrows{z-index:4;pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.arrow{stroke:currentColor;stroke-width:.17px;stroke-linecap:round;opacity:.85}.arrow.hint{color:#3aa0ff}.board.is-locked{cursor:default}.board:not(.is-locked) .sq{cursor:pointer}.btn{border:1px solid var(--line-strong);border-radius:var(--r-s);background:var(--surface-2);height:42px;color:var(--text);white-space:nowrap;transition:transform .12s var(--ease), background-color .2s ease, border-color .2s ease, box-shadow .2s ease, filter .2s ease;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-size:14px;font-weight:620;display:inline-flex}.btn:hover{background:var(--surface-3)}.btn:active{transform:translateY(1px)scale(.985)}.btn-primary{background:linear-gradient(180deg, var(--accent-2), var(--accent));color:var(--accent-ink);border-color:#0000;box-shadow:0 8px 22px -10px #f2b84be6,inset 0 1px #ffffff80}.btn-primary:hover{background:linear-gradient(180deg, var(--accent-2), var(--accent));filter:brightness(1.06)}.btn-danger{background:var(--danger);color:var(--danger-ink);border-color:#0000}.btn-danger:hover{background:var(--danger);filter:brightness(1.08)}.icon-btn{border:1px solid var(--line);background:var(--surface-2);width:42px;height:42px;color:var(--text-2);transition:transform .12s var(--ease), background-color .2s ease, color .2s ease;border-radius:12px;place-items:center;padding:0;display:grid}.icon-btn:hover{background:var(--surface-3);color:var(--text)}.icon-btn:active{transform:scale(.94)}.icon-btn.small{border-radius:10px;width:34px;height:34px}.btn:disabled,.icon-btn:disabled,.tile:disabled{opacity:.38;cursor:not-allowed;pointer-events:none}.card{border:1px solid var(--line);border-radius:var(--r-l);background:var(--surface);box-shadow:var(--shadow-1);flex-direction:column;flex:none;padding:16px;display:flex}.card h2{letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-size:12px;font-weight:700}.card-head{align-items:center;gap:10px;margin-bottom:12px;display:flex}.card-head h2{flex:1;margin:0}.status-chip{background:var(--surface-3);max-width:62%;color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;border-radius:999px;align-items:center;padding:4px 11px;font-size:12px;font-weight:620;transition:background-color .25s,color .25s;display:inline-flex;overflow:hidden}.status-chip:empty{display:none}.status-chip.is-turn{background:var(--accent-soft);color:var(--accent-text)}.status-chip.is-check{color:var(--danger);background:#ff5a5a2e}.status-chip.is-over{background:var(--accent);color:var(--accent-ink)}.player-bar{height:var(--bar-h);padding-left:calc(var(--eval-w) + var(--gap));align-items:center;gap:12px;min-width:0;display:flex}.avatar{border:1px solid var(--line-strong);background:linear-gradient(145deg, var(--surface-3), var(--surface-2));width:40px;height:40px;box-shadow:var(--shadow-1);border-radius:13px;flex:none;place-items:center;transition:box-shadow .25s,border-color .25s;display:grid;position:relative}.avatar svg{width:32px;height:32px}.player-bar.is-active .avatar{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft), var(--shadow-1)}.who{flex-direction:column;min-width:0;line-height:1.2;display:flex}.who .name{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:700;overflow:hidden}.who .sub{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.captured{flex-wrap:wrap;flex:1;align-items:center;gap:0 6px;min-width:0;min-height:26px;display:flex}.cap-group{align-items:center;display:inline-flex}.cap-piece{filter:drop-shadow(0 1px 1px #0000004d);width:24px;height:24px;animation:cap-in .35s var(--ease-spring) both;margin-left:-11px}.cap-group .cap-piece:first-child{margin-left:0}.cap-piece svg{width:100%;height:100%;display:block}@keyframes cap-in{0%{opacity:0;transform:translateY(-8px)scale(.6)}}.advantage{color:var(--text-2);font-variant-numeric:tabular-nums;margin-left:4px;font-size:12px;font-weight:700}.thinking{background:var(--accent-soft);color:var(--accent-text);white-space:nowrap;border-radius:999px;align-items:center;gap:9px;margin-left:auto;padding:6px 13px;font-size:12px;font-weight:650;display:inline-flex}.dots{gap:3px;display:inline-flex}.dots i{background:currentColor;border-radius:50%;width:5px;height:5px;animation:1.1s ease-in-out infinite both dot}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}@keyframes dot{0%,80%,to{opacity:.45;transform:scale(.55)}40%{opacity:1;transform:scale(1)}}.evalbar{background:var(--eval-black);border:1px solid var(--line-strong);box-shadow:var(--shadow-1);border-radius:9px;transition:opacity .3s;position:relative;overflow:hidden}.evalbar-white{height:var(--white,50%);background:var(--eval-white);background:linear-gradient(90deg, var(--eval-white), color-mix(in srgb, var(--eval-white) 88%, #8a94a6));transition:height .7s var(--ease);position:absolute;bottom:0;left:0;right:0}.evalbar.is-flipped .evalbar-white{top:0;bottom:auto}.evalbar:after{content:"";background:#8c96aab3;height:1px;position:absolute;top:50%;left:0;right:0}.evalbar-label{z-index:1;text-align:center;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#0c1016;transition:top .4s var(--ease), bottom .4s var(--ease);padding:5px 0;font-size:10px;font-weight:750;line-height:1;position:absolute;left:0;right:0}.evalbar.lead-bottom .evalbar-label{top:auto;bottom:0}.evalbar.lead-top .evalbar-label{top:0;bottom:auto}.evalbar.lead-black .evalbar-label{color:#f1f4fa}.evalbar.is-pending .evalbar-white{transition-duration:.3s}.evalbar.is-off{opacity:0;pointer-events:none}@media (max-width:720px){.evalbar-label{display:none}}.moves-card{flex:auto;min-height:210px}.moves-scroll{overscroll-behavior:contain;border:1px solid var(--line);border-radius:var(--r-s);background:var(--surface-2);scroll-behavior:smooth;flex:auto;min-height:120px;position:relative;overflow-y:auto}.moves{font-variant-numeric:tabular-nums;margin:0;padding:6px;list-style:none}.move-row{border-radius:8px;grid-template-columns:34px minmax(0,1fr) minmax(0,1fr);align-items:center;gap:4px;display:grid}.move-row:nth-child(odd){background:color-mix(in srgb, var(--surface-3) 40%, transparent)}.move-num{text-align:right;color:var(--muted);padding-right:4px;font-size:12px}.mv{height:32px;color:var(--text);text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:3px;padding:0 10px;font-size:14px;font-weight:620;transition:background-color .15s;display:inline-flex}.mv:hover{background:var(--surface-3)}.mv[aria-current=true]{background:var(--accent);color:var(--accent-ink)}.mv.is-empty{pointer-events:none}.mv .fig{flex:none;width:19px;height:19px;margin-left:-3px}.mv .fig svg{width:100%;height:100%;display:block}.moves-empty{color:var(--muted);text-align:center;margin:0;padding:18px 16px;font-size:13px}.moves-empty[hidden]{display:none}.moves-nav{justify-content:center;gap:8px;margin-top:12px;display:flex}.control-grid{grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px;display:grid}.tile{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface-2);min-height:66px;color:var(--text);text-align:center;transition:transform .12s var(--ease), background-color .2s ease, border-color .2s ease, color .2s ease;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:10px 6px;font-size:12.5px;font-weight:620;line-height:1.15;display:flex}.tile .icon{color:var(--text-2);transition:color .2s ease, transform .25s var(--ease)}.tile:hover{background:var(--surface-3);border-color:var(--line-strong)}.tile:hover .icon{color:var(--accent-text);transform:scale(1.1)}.tile:active{transform:scale(.97)}.tile-danger:hover{border-color:color-mix(in srgb, var(--danger) 60%, transparent)}.tile-danger:hover .icon{color:var(--danger)}.tile.is-on{border-color:var(--accent);background:var(--accent-soft)}.level-chips{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.level-chip{border:1px solid var(--line);background:var(--surface-2);min-height:52px;color:var(--text-2);transition:transform .12s var(--ease), background-color .2s ease, border-color .2s ease, color .2s ease;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:6px 2px;font-size:12px;font-weight:650;line-height:1.1;display:flex}.level-chip small{color:var(--muted);font-variant-numeric:tabular-nums;font-size:10.5px;font-weight:560}.level-chip:hover{background:var(--surface-3);color:var(--text)}.level-chip[aria-checked=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--text);box-shadow:0 0 0 1px var(--accent) inset}.level-chip[aria-checked=true] small{color:var(--accent-text)}.level-slider{margin:16px 6px 4px;position:relative}.range{--p:50%;appearance:none;cursor:pointer;background:0 0;width:100%;height:28px;margin:0;display:block}.range::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--accent) var(--p), var(--surface-3) var(--p));border-radius:999px;height:8px}.range::-moz-range-track{background:linear-gradient(90deg, var(--accent) var(--p), var(--surface-3) var(--p));border-radius:999px;height:8px}.range::-webkit-slider-thumb{-webkit-appearance:none;border:3px solid var(--accent);background:var(--surface);width:24px;height:24px;transition:transform .15s var(--ease);border-radius:50%;margin-top:-8px;box-shadow:0 3px 10px #00000059}.range::-moz-range-thumb{border:3px solid var(--accent);background:var(--surface);border-radius:50%;width:18px;height:18px;box-shadow:0 3px 10px #00000059}.range:active::-webkit-slider-thumb{transform:scale(1.12)}.range:focus-visible{outline:none}.range:focus-visible::-webkit-slider-thumb{outline:2px solid var(--focus);outline-offset:2px}.level-ticks{pointer-events:none;position:absolute;inset:0 12px}.level-ticks i{background:var(--bg);opacity:.55;border-radius:50%;width:4px;height:4px;margin:-2px 0 0 -2px;position:absolute;top:50%}.level-readout{justify-content:space-between;align-items:baseline;gap:10px;margin-top:10px;display:flex}.level-readout strong{letter-spacing:-.01em;font-size:17px;font-weight:750}.level-readout span{color:var(--accent-text);font-variant-numeric:tabular-nums;font-size:13px;font-weight:650}.level-hint{color:var(--text-2);margin:4px 0 0;font-size:13px}.level-tech{border-top:1px dashed var(--line);color:var(--muted);font-variant-numeric:tabular-nums;margin:8px 0 0;padding-top:8px;font-size:11.5px}.toasts{left:50%;bottom:max(18px, env(safe-area-inset-bottom));z-index:200;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;transform:translate(-50%)}.toast{border:1px solid var(--line-strong);background:var(--surface-3);color:var(--text);box-shadow:var(--shadow-2);animation:toast-in .28s var(--ease-spring) both;border-radius:14px;padding:11px 18px;font-size:14px;font-weight:560}.toast.is-leaving{animation:.25s forwards toast-out}@keyframes toast-in{0%{opacity:0;transform:translateY(14px)scale(.96)}}@keyframes toast-out{to{opacity:0;transform:translateY(8px)}}.engine-state{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:inline-flex}.engine-state:before{content:"";background:var(--muted);border-radius:50%;width:8px;height:8px}.engine-state.is-ready:before{background:var(--ok)}.engine-state.is-error:before{background:var(--danger)}@media (min-width:901px) and (max-height:860px){.card{padding:14px}.control-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.tile{gap:4px;min-height:58px;padding:8px 2px;font-size:11px}.level-hint{display:none}.moves-card{min-height:172px}.moves-scroll{min-height:48px}}@media (min-width:901px) and (max-height:760px){.level-tech{display:none}.card h2,.card-head{margin-bottom:8px}.moves-nav{margin-top:8px}}.board-status{display:none}@media (max-width:720px){.board-status{min-height:26px;padding-left:calc(var(--eval-w) + var(--gap));justify-content:center;display:flex}.board-status .status-chip{max-width:100%;padding:5px 14px;font-size:13px}.card-head .status-chip{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.control-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.tile{gap:4px;min-height:60px;padding:8px 2px;font-size:11px}}@media (max-height:520px) and (orientation:landscape){.board-status{display:none}.card-head .status-chip{clip:auto;width:auto;height:auto;margin:0;padding:4px 11px;position:static;overflow:visible}}.dialog{width:min(480px,100vw - 28px);max-height:calc(100 * var(--dvh) - 28px);border:1px solid var(--line-strong);border-radius:var(--r-xl);background:var(--surface);color:var(--text);box-shadow:var(--shadow-2);padding:0;overflow:hidden}.dialog-small{width:min(400px,100vw - 28px)}.dialog[open]{animation:dialog-in .28s var(--ease-spring) both;flex-direction:column;display:flex}.dialog form{min-height:0;max-height:calc(100 * var(--dvh) - 30px);flex-direction:column;display:flex}.dialog::backdrop{-webkit-backdrop-filter:blur(7px);background:#04070c9e;animation:.25s both fade-in}@keyframes dialog-in{0%{opacity:0;transform:translateY(18px)scale(.96)}}@keyframes fade-in{0%{opacity:0}}.dialog-head{justify-content:space-between;align-items:center;gap:12px;padding:20px 22px 6px;display:flex}.dialog-head h2{letter-spacing:-.015em;margin:0;font-size:20px;font-weight:750}.dialog-body{flex-direction:column;gap:18px;padding:14px 22px 8px;display:flex;overflow-y:auto}.dialog-foot{flex-wrap:wrap;justify-content:flex-end;gap:10px;padding:16px 22px 20px;display:flex}.lead{color:var(--text-2);margin:0;font-size:15px}.fine-print{color:var(--muted);margin:0;font-size:12.5px}.field{border:0;min-width:0;margin:0;padding:0}.field>legend,.field>.legend,label.legend{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;padding:0;font-size:12px;font-weight:700;display:block}.segmented{border:1px solid var(--line);background:var(--surface-2);border-radius:14px;gap:4px;padding:4px;display:grid}.seg-2{grid-template-columns:repeat(2,minmax(0,1fr))}.seg-3{grid-template-columns:repeat(3,minmax(0,1fr))}.segmented label{min-width:0;position:relative}.segmented input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.segmented label>span{min-height:40px;color:var(--text-2);text-align:center;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:0 8px;font-size:14px;font-weight:620;transition:background-color .2s,color .2s,box-shadow .2s;display:flex}.segmented input:checked+span{background:var(--surface);color:var(--text);box-shadow:var(--shadow-1), 0 0 0 1px var(--accent) inset}.segmented input:focus-visible+span{outline:2px solid var(--focus);outline-offset:1px}.chip{border-radius:50%;width:15px;height:15px;display:inline-block}.chip-w{background:#fff;border:2px solid #2a3243}.chip-b{background:#171b26;border:2px solid #5a647c}.swatches{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.swatch{border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);transition:border-color .2s ease, background-color .2s ease, transform .12s var(--ease);border-radius:14px;flex-direction:column;align-items:center;gap:8px;padding:8px 6px 9px;font-size:12.5px;font-weight:620;display:flex}.swatch:hover{background:var(--surface-3)}.swatch[aria-checked=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset;color:var(--text)}.swatch-board{aspect-ratio:2;border-radius:8px;grid-template-columns:repeat(4,1fr);width:100%;display:grid;overflow:hidden}.swatch-board i:nth-child(odd){background:var(--a)}.swatch-board i:nth-child(2n),.swatch-board i:nth-child(n+5):nth-child(odd){background:var(--b)}.swatch-board i:nth-child(n+5):nth-child(2n){background:var(--a)}.swatch[data-board=holz]{--a:#efd8b0;--b:#b4855a}.swatch[data-board=smaragd]{--a:#ecedd1;--b:#6f9a57}.swatch[data-board=ozean]{--a:#dbe5f2;--b:#6a8db8}.swatch[data-board=schiefer]{--a:#d7dbe2;--b:#6b7587}.switches{flex-direction:column;display:flex}.switch{border-top:1px solid var(--line);cursor:pointer;align-items:flex-start;gap:14px;padding:11px 0;display:flex}.switch:first-child{border-top:0}.switch input{opacity:0;pointer-events:none;position:absolute}.switch-ui{background:var(--surface-3);border:1px solid var(--line-strong);border-radius:999px;flex:none;width:44px;height:26px;margin-top:1px;transition:background-color .2s,border-color .2s;position:relative}.switch-ui:after{content:"";background:var(--text-2);width:20px;height:20px;transition:transform .22s var(--ease-spring), background-color .2s ease;border-radius:50%;position:absolute;top:2px;left:2px}.switch input:checked+.switch-ui{background:var(--accent);border-color:#0000}.switch input:checked+.switch-ui:after{background:#fff;transform:translate(18px)}.switch input:focus-visible+.switch-ui{outline:2px solid var(--focus);outline-offset:2px}.switch-text{flex-direction:column;font-size:14.5px;font-weight:600;line-height:1.3;display:flex}.switch-text small{color:var(--muted);margin-top:2px;font-size:12.5px;font-weight:450}.promo-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.promo-btn{border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);transition:transform .18s var(--ease-spring), box-shadow .2s ease, border-color .2s ease, background-color .2s ease;border-radius:16px;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;font-size:12.5px;font-weight:700;display:flex}.promo-btn:nth-child(2n){background:var(--surface-3)}.promo-btn svg{aspect-ratio:1;width:100%;max-width:64px}.promo-btn:hover,.promo-btn:focus-visible{border-color:var(--accent);box-shadow:0 10px 22px -8px #00000080, 0 0 0 2px var(--accent);transform:translateY(-4px)scale(1.05)}.result-body{text-align:center;align-items:center;gap:10px;padding-top:30px}.result-body h2{letter-spacing:-.02em;margin:0;font-size:26px;font-weight:800}.result-icon{background:var(--accent-soft);width:76px;height:76px;color:var(--accent-text);box-shadow:0 0 0 8px color-mix(in srgb, var(--accent) 10%, transparent);animation:result-pop .6s var(--ease-spring) both .1s;border-radius:50%;place-items:center;margin-bottom:4px;display:grid}.result-icon.is-loss{color:var(--danger);background:#ff6b6b26;box-shadow:0 0 0 8px #ff6b6b12}.result-icon.is-draw{background:var(--surface-3);color:var(--text-2);box-shadow:0 0 0 8px color-mix(in srgb, var(--surface-3) 50%, transparent)}@keyframes result-pop{0%{opacity:0;transform:scale(.4)rotate(-12deg)}}.result-meta{color:var(--muted);margin:0;font-size:13px}.result-meta:empty{display:none}.dialog-result .dialog-foot{justify-content:center}.pgn-text{border:1px solid var(--line-strong);border-radius:var(--r-s);background:var(--surface-2);width:100%;color:var(--text);resize:vertical;padding:12px 14px;font-family:ui-monospace,SF Mono,Cascadia Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.55}@media (max-width:480px){.dialog-head{padding:18px 18px 4px}.dialog-body{padding:12px 18px 6px}.dialog-foot{padding:14px 18px 18px}.dialog-foot .btn{flex:auto}.swatches{grid-template-columns:repeat(2,minmax(0,1fr))}}