@font-face{font-family:Club;src:local("Segoe UI"),local("Arial");font-display:swap}
:root{--bg:#171f24;--panel:#202a30;--panel-deep:#1b252b;--line:#344047;--text:#f3f1e9;--muted:#9daeb4;--green:#c4da94;--green-dark:#b4cc7e;--cream:#e9e5d7;--square:#7e9990;--danger:#f1a39b;font-family:Club,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:4px}button{color:inherit}a{color:inherit;text-decoration:none}svg{display:block;width:24px;height:24px}button svg{pointer-events:none}button{border:0}button,input,select{border-radius:8px}button{transition:background .15s,color .15s,transform .15s}.site-header{height:88px;max-width:1280px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:24px;letter-spacing:-1px}.brand-mark{color:var(--green);font-family:Georgia,serif;font-size:38px;line-height:1}.brand-dot{color:var(--green)}.header-note{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;letter-spacing:.2px}.small-dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}.header-link{font-size:13px;font-weight:600;color:var(--text)}.header-link span{color:var(--green);font-size:20px;padding-left:14px}.main{max-width:1184px;margin:0 auto;padding:43px 0 0}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:35px;gap:24px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--green);margin:0 0 12px;line-height:1.7}h1{font-size:42px;font-weight:550;line-height:1.15;letter-spacing:-1.5px;margin:0}#page-description{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 2px;max-width:320px}.game-layout{display:grid;grid-template-columns:minmax(360px,1fr) 360px;gap:42px;align-items:start}.board-section{max-width:650px;width:100%;min-width:0}.board{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;isolation:isolate;overflow:hidden;border-radius:3px;user-select:none;-webkit-user-select:none}.board-frame{background:#2e3b3e;padding:8px;border-radius:7px;box-shadow:0 12px 38px #0002}.square{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1;padding:0;border:0;border-radius:0;background:var(--cream);color:#3f5d52;touch-action:manipulation}.square.dark{background:var(--square);color:#f0eddf}.square:disabled{opacity:1}.square.last{background:#ced895}.square.dark.last{background:#a2ba77}.square.selected{background:#e1d271}.square.dark.selected{background:#b6b864}.square.check{background:radial-gradient(ellipse at center,#e86c60 0%,#c87764 35%,var(--cream) 78%)}.square.dark.check{background:radial-gradient(ellipse at center,#e86c60 0%,#c87764 35%,var(--square) 78%)}.square:focus-visible{z-index:4;outline-offset:-3px;outline:3px solid #354d40}.square.legal:after{content:"";position:absolute;width:25%;height:25%;border-radius:50%;background:#253e3452;pointer-events:none;z-index:2}.square.legal.occupied:after{width:87%;height:87%;border:5px solid #253e3452;background:transparent}.square .piece{width:89%;height:89%;position:relative;z-index:1;filter:drop-shadow(0 2px 1px #15252140);pointer-events:none;overflow:visible}.square[draggable=true]{cursor:grab}.square.dragging .piece{opacity:.3}.coordinate{position:absolute;font-size:10px;line-height:1;font-weight:700;pointer-events:none;z-index:3}.coordinate.rank{top:5px;left:5px}.coordinate.file{right:5px;bottom:4px}.player-bar{display:flex;align-items:center;justify-content:space-between;min-height:65px;gap:15px}.player-info{display:flex;align-items:center;gap:11px;min-width:0}.avatar{flex:0 0 36px;width:36px;height:36px;display:grid;place-items:center;background:#2b363c;border-radius:8px;color:var(--muted);font-size:21px;font-family:Georgia,serif}.avatar.white{background:#e4e1d6;color:#34423d}.avatar.black{background:#2c3a3e;color:#d9e1d8;box-shadow:inset 0 0 0 1px #435158}.player-name{font-size:13px;font-weight:650;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-meta{font-size:10px;color:var(--muted);margin-top:4px;display:flex;align-items:center;gap:5px}.presence{width:5px;height:5px;background:#69787e;border-radius:50%;display:inline-block}.presence.online{background:var(--green)}.clock{font-family:"Segoe UI",Arial,sans-serif;font-variant-numeric:tabular-nums;font-size:27px;font-weight:500;letter-spacing:1px;line-height:1;padding:10px 15px;min-width:109px;text-align:center;background:#273138;border-radius:7px;color:#c2ccc9;box-shadow:inset 0 0 0 1px #364149}.clock.active{background:var(--green);color:#24322a;box-shadow:none}.clock.low{color:#ffb1a8;background:#613c39}.clock.infinite{font-size:34px;padding-top:5px;padding-bottom:7px}.board-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;min-height:40px}.icon-button{background:transparent;display:grid;place-items:center;width:33px;height:32px;color:var(--muted);border-radius:6px}.icon-button:hover{background:#2c393f;color:var(--text)}.icon-button svg{width:20px;height:20px}.side-panel{margin-top:9px;background:var(--panel);border:1px solid var(--line);border-radius:13px;overflow:hidden}.panel-heading{padding:26px 25px 22px;border-bottom:1px solid var(--line)}.panel-heading h2{margin:0 0 8px;font-size:21px;font-weight:550;letter-spacing:-.5px}.panel-heading p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.panel-body{padding:24px 25px}.field-label{display:block;font-size:11px;font-weight:650;color:#c3cece;margin-bottom:10px}.field{margin-bottom:23px}.text-input,.number-input{height:44px;background:var(--panel-deep);border:1px solid #3b484f;color:var(--text);padding:0 13px;width:100%;font-size:13px;transition:border-color .15s}.text-input::placeholder{color:#6f848c}.text-input:hover,.number-input:hover{border-color:#5b7078}.choice-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.choice{padding:9px 8px;height:59px;background:var(--panel-deep);border:1px solid #3b484f;border-radius:7px;display:flex;align-items:center;justify-content:center;gap:6px;flex-direction:column;font-size:10px;color:var(--muted)}.choice .color-icon{font-size:20px;line-height:20px;color:var(--text)}.choice.active{border-color:var(--green);background:#323f35;color:var(--green)}.choice:hover,.time-choice:hover{border-color:#788e82}.label-line{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.label-line .field-label{margin-bottom:0}.time-mode{border-radius:4px;border:0;background:none;color:var(--muted);font-size:11px;padding:2px 0;display:flex;align-items:center;gap:6px}.switch-track{width:25px;height:14px;border-radius:9px;background:#586568;position:relative}.switch-track:after{content:"";width:10px;height:10px;background:#c6cdca;position:absolute;border-radius:50%;top:2px;left:2px;transition:transform .15s}.time-mode[aria-pressed=true] .switch-track{background:var(--green)}.time-mode[aria-pressed=true] .switch-track:after{background:#2a3b2c;transform:translateX(11px)}.time-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.time-choice{border:1px solid #3b484f;background:var(--panel-deep);padding:11px 2px;font-size:14px;letter-spacing:.2px}.time-choice.active{border-color:var(--green);background:#323f35;color:var(--green)}.time-help{font-size:10px;color:#889b9f;margin-top:9px;line-height:1.6}.custom-toggle{background:none;border:0;color:var(--muted);font-size:11px;padding:10px 0 0;text-decoration:underline;text-decoration-color:#4c6065;text-underline-offset:4px}.custom-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.custom-fields label{font-size:10px;color:var(--muted)}.number-input{margin-top:7px;height:38px}.primary-button,.secondary-button,.danger-button{width:100%;padding:14px 15px;font-size:13px;font-weight:650;line-height:1.3}.primary-button{background:var(--green);color:#26342b;display:flex;align-items:center;justify-content:center;gap:13px}.primary-button:hover{background:#d2e7a3}.primary-button:active{transform:translateY(1px)}.secondary-button{background:transparent;border:1px solid #485c64;color:#ced8d5}.secondary-button:hover{background:#2d3b41}.danger-button{background:#573a3a;color:#f2c2bc}.action-arrow{font-size:19px;font-weight:400;line-height:12px}.form-footnote{font-size:10px;color:#8da19e;display:flex;justify-content:center;gap:6px;align-items:center;margin:14px 0 0;line-height:1.6}.form-footnote svg{width:12px;height:12px}.panel-bottom{background:#1d272d;border-top:1px solid var(--line);padding:17px 25px;display:flex;gap:12px;align-items:center}.panel-bottom svg{flex:0 0 21px;width:21px;height:21px;color:var(--green)}.panel-bottom p{font-size:11px;color:var(--muted);line-height:1.65;margin:0}.site-footer{display:flex;justify-content:space-between;font-size:10px;color:#70838a;border-top:1px solid var(--line);padding:22px 0 26px;margin-top:34px;letter-spacing:.15px}.status-chip{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:10px;letter-spacing:.6px;margin-bottom:12px;text-transform:uppercase;font-weight:650}.status-chip .small-dot{width:5px;height:5px}.invite-box{background:#182329;border:1px solid #3a4e52;border-radius:8px;padding:13px;margin-top:18px}.invite-label{font-size:10px;color:var(--muted);margin-bottom:9px}.invite-url{display:block;background:none;border:0;width:100%;font-size:11px;line-height:1.5;color:#dce4d9;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;padding:0;margin:0 0 13px}.invite-copy{font-size:12px;padding:10px}.waiting-note{font-size:11px;line-height:1.75;color:var(--muted);margin:18px 0 0}.detail-line{display:flex;justify-content:space-between;align-items:center;font-size:11px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}.detail-line strong{color:#d6dfda;font-weight:500}.detail-line:last-child{border-bottom:0}.room-details{padding-top:10px}.moves-heading{display:flex;justify-content:space-between;padding:17px 22px 13px;align-items:center;color:var(--muted);font-size:10px;letter-spacing:1px;text-transform:uppercase;border-bottom:1px solid var(--line)}.move-count{font-size:10px;letter-spacing:0;color:#8ea29d}.move-list{height:234px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#4a5e5b transparent}.move-row{display:grid;grid-template-columns:39px 1fr 1fr;min-height:35px;align-items:center;padding:0 21px;font-size:13px;font-variant-numeric:tabular-nums}.move-row:nth-child(even){background:#1c272d}.move-number{font-size:10px;color:#71878c}.move-san{padding:7px 9px;border-radius:4px;letter-spacing:.2px}.move-san.latest{color:var(--green);background:#344537}.moves-empty{color:#7e949a;font-size:12px;line-height:1.8;text-align:center;padding:70px 24px}.game-actions{border-top:1px solid var(--line);padding:16px 20px;display:flex;gap:10px}.game-actions .secondary-button{font-size:11px;padding:10px 8px}.game-actions .secondary-button svg{width:15px;height:15px;display:inline-block;vertical-align:middle;margin-right:5px}.draw-banner{padding:17px 22px;background:#324234;border-bottom:1px solid #536748;font-size:12px;line-height:1.6}.draw-buttons{display:flex;gap:9px;margin-top:10px}.draw-buttons button{font-size:11px;padding:8px}.result-heading{font-family:Georgia,serif;font-size:42px;line-height:1.2;letter-spacing:3px;color:var(--green);margin-bottom:12px}.result-actions{padding:19px 23px;border-top:1px solid var(--line);display:grid;gap:10px}.room-footer{padding:12px 22px;font-size:10px;color:#81969b;display:flex;justify-content:space-between;align-items:center;background:#1b252b;border-top:1px solid var(--line)}.connection{display:flex;align-items:center;gap:6px}.connection .presence{background:#e5be77}.connection.connected .presence{background:var(--green)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:50;background:#d7e3c4;color:#243629;padding:13px 20px;border-radius:10px;box-shadow:0 6px 35px #0005;font-size:13px;max-width:calc(100vw - 32px);text-align:center;line-height:1.5}.toast.error{background:#e9c4bd;color:#572c28}.modal{width:min(390px,calc(100vw - 30px));background:var(--panel);color:var(--text);border:1px solid #4d615f;border-radius:16px;padding:28px;box-shadow:0 18px 70px #0006;text-align:center}.modal::backdrop{background:#091317ba;backdrop-filter:blur(3px)}.modal h2{font-size:25px;letter-spacing:-.6px;font-weight:550;margin:4px 0 12px}.modal p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.8}.modal-actions{display:grid;gap:10px;margin-top:23px}.promotion-options{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:24px 0 18px}.promotion-piece{aspect-ratio:1;background:#8a9e91;border-radius:7px;padding:4px}.promotion-piece:hover{background:var(--green)}.promotion-piece svg{width:100%;height:100%}.text-button{padding:8px 14px;color:var(--muted);font-size:12px;background:none}.error-panel{padding:35px 25px}.error-panel h2{font-size:21px;font-weight:500}.error-panel p{font-size:13px;color:var(--muted);line-height:1.7}.error-panel a{margin-top:20px}.loading-panel{padding:40px 25px;color:var(--muted);font-size:13px}.loading-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:10px;animation:pulse 1s infinite alternate}@keyframes pulse{to{opacity:.25}}[hidden]{display:none!important}
@media(min-width:1450px){.main{padding-top:50px}.page-heading{margin-bottom:40px}.game-layout{gap:54px}}
@media(max-width:1279px){.main{margin:0 48px}.site-header{max-width:none}.game-layout{gap:30px;grid-template-columns:minmax(340px,1fr) 330px}.panel-body{padding:22px}.panel-heading{padding:24px 22px}.panel-bottom{padding:16px 22px}}
@media(max-width:980px){.main{margin:0 28px;padding-top:30px}.site-header{height:75px;padding:0 28px}.game-layout{grid-template-columns:minmax(320px,1fr) 300px;gap:24px}h1{font-size:34px}#page-description{font-size:11px;max-width:250px}.panel-body{padding:20px}.panel-heading{padding:21px 20px}.field{margin-bottom:20px}.player-name{max-width:190px}.side-panel{margin-top:8px}.clock{font-size:23px;min-width:95px}.coordinate{font-size:9px}.page-heading{margin-bottom:24px}}
@media(max-width:760px){.site-header{height:68px;padding:0 20px}.brand{font-size:22px}.brand-mark{font-size:32px}.header-note{display:none}.header-link{font-size:11px}.header-link span{padding-left:6px}.main{padding-top:27px;margin:0 20px}.page-heading{display:block;margin-bottom:20px}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:10px}h1{font-size:32px;letter-spacing:-1px}#page-description{font-size:12px;max-width:none;margin-top:12px}#page-description br{display:none}.game-layout{display:flex;flex-direction:column;gap:20px}.board-section{max-width:540px;align-self:center}.side-panel{width:100%;max-width:540px;margin:0;align-self:center}.panel-body{padding:23px}.panel-heading{padding:23px}.board-frame{padding:5px;border-radius:5px}.player-bar{min-height:61px}.clock{font-size:25px;min-width:108px;padding:10px 14px}.avatar{width:34px;height:34px;flex-basis:34px}.board-footer{font-size:10px;min-height:35px}.site-footer{margin-top:27px;font-size:9px;padding:20px 0}.move-list{height:190px}.panel-bottom{padding:17px 23px}.game-layout.home-layout .side-panel{order:-1}.home-layout .board-section{margin-top:5px}.home-layout .panel-body{padding:20px 23px}.home-layout .panel-heading{padding:20px 23px 17px}.home-layout .field{margin-bottom:18px}.home-layout .panel-bottom{display:none}.player-name{max-width:210px}}
@media(max-width:390px){.main{margin:0 12px}.site-header{padding:0 15px}.coordinate{font-size:8px;}.player-name{max-width:155px}.clock{min-width:90px;font-size:23px}.page-heading{padding:0 5px}h1{font-size:29px}.site-footer{font-size:8px}.header-link{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}