:root{--ink:#191611;--ink-soft:#453d32;--muted:#786c5d;--paper:#f3ecdf;--paper-deep:#e8ddca;--panel:#fffaf0;--panel-border:#48331924;--accent:#c94f2d;--accent-deep:#9d3419;--jade:#2d6a57;--gold:#c38b35;--wood:#d9a35e;--shadow:0 24px 70px #4f381e26;--shadow-soft:0 12px 34px #4f381e1a;--radius:26px;--display:"Iowan Old Style", "Palatino Linotype", "Songti SC", "STSong", Georgia, serif;--sans:"Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;color:var(--ink);background:var(--paper);font:16px/1.6 var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{background:radial-gradient(circle at 8% 2%, #cc582b1c, transparent 30rem), radial-gradient(circle at 88% 24%, #40796117, transparent 34rem), linear-gradient(180deg, #f7f1e7 0%, var(--paper) 54%, #eee5d5 100%);min-height:100svh;margin:0}body:before{z-index:-1;pointer-events:none;content:"";opacity:.5;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");position:fixed;inset:0}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #c94f2d45}button:disabled{cursor:not-allowed}[hidden]{display:none!important}.app-shell{flex-direction:column;width:min(1180px,100% - 48px);min-height:100svh;margin:0 auto;display:flex}.site-header{border-bottom:1px solid #48331924;justify-content:space-between;align-items:center;gap:24px;min-height:88px;display:flex}.brand{cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:12px;padding:0;display:inline-flex}.brand-stone{background:radial-gradient(circle at 32% 26%,#6d7276,#141617 58%,#030405);border-radius:50%;place-items:center;width:38px;height:38px;display:grid;position:relative;box-shadow:8px 8px 16px #22160938}.brand-stone:after{content:"";background:radial-gradient(circle at 30% 25%,#fff9e9,#d4c7aa);border-radius:50%;width:12px;height:12px;transform:translate(9px,9px)}.brand-copy{gap:0;line-height:1;display:grid}.brand-copy strong{font-family:var(--display);letter-spacing:.08em;font-size:27px;font-weight:700}.brand-copy small{color:var(--muted);letter-spacing:.2em;margin-top:7px;font-size:9px;font-weight:700}.connection-pill{border:1px solid var(--panel-border);color:var(--muted);letter-spacing:.03em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffaf0a6;border-radius:999px;align-items:center;gap:8px;padding:8px 13px;font-size:12px;font-weight:600;display:inline-flex}.connection-dot{background:#9c958a;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #9c958a1f}.connection-pill[data-status=connecting] .connection-dot,.connection-pill[data-status=reconnecting] .connection-dot{background:var(--gold);animation:1.2s ease-in-out infinite blink}.connection-pill[data-status=open]{color:var(--jade);border-color:#2d6a573d}.connection-pill[data-status=open] .connection-dot{background:var(--jade);box-shadow:0 0 0 3px #2d6a571f}.connection-pill[data-status=closed] .connection-dot{background:var(--accent)}main{flex:1}.screen{animation:.5s cubic-bezier(.22,1,.36,1) both screen-in}.lobby-screen{grid-template-columns:minmax(0,1fr) minmax(460px,.92fr);align-items:center;gap:clamp(48px,8vw,110px);min-height:calc(100svh - 160px);padding:clamp(54px,8vh,92px) 0 72px;display:grid}.lobby-copy{position:relative}.eyebrow{color:var(--accent);letter-spacing:.19em;align-items:center;gap:10px;margin:0 0 24px;font-size:11px;font-weight:800;display:flex}.eyebrow span{background:currentColor;width:28px;height:2px}h1{max-width:780px;font-family:var(--display);letter-spacing:-.045em;margin:0;font-size:clamp(46px,6vw,76px);font-weight:500;line-height:1.1}h1 em{color:var(--accent-deep);white-space:nowrap;font-style:normal}.lead{max-width:580px;color:var(--ink-soft);margin:28px 0 0;font-size:clamp(16px,1.65vw,19px);line-height:1.8}.feature-row{flex-wrap:wrap;gap:8px;margin-top:28px;display:flex}.feature-row span{color:var(--ink-soft);background:#fffaf08c;border:1px solid #48331924;border-radius:999px;padding:7px 13px;font-size:12px;font-weight:600}.mini-board{aspect-ratio:1;background-color:var(--wood);width:clamp(150px,14vw,190px);box-shadow:var(--shadow);opacity:.8;background-image:linear-gradient(#43290e3d 1px,#0000 1px),linear-gradient(90deg,#43290e3d 1px,#0000 1px);background-size:7.14% 7.14%;border:1px solid #58371433;border-radius:18px;position:absolute;top:-190px;right:12px;transform:rotate(4deg)}.mini-stone{aspect-ratio:1;width:7.3%;left:calc(5.4% + var(--x) * 7.14%);top:calc(5.4% + var(--y) * 7.14%);border-radius:50%;position:absolute;transform:translate(-50%,-50%)}.mini-stone.black{background:radial-gradient(circle at 32% 26%,#686d71,#101213 58%);box-shadow:2px 2px 4px #1a10065c}.mini-stone.white{background:radial-gradient(circle at 32% 26%,#fff,#d3c9b3 70%);box-shadow:2px 2px 4px #1a100633}.entry-card{border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffaf0d1;border:1px solid #48331921;padding:clamp(28px,3.4vw,40px);position:relative}.entry-card:before{pointer-events:none;content:"";border-radius:calc(var(--radius) - 8px);border:1px solid #c38b3521;position:absolute;inset:8px}.entry-head{align-items:flex-start;gap:14px;margin-bottom:28px;display:flex}.entry-number{color:var(--accent);font:700 11px/1.5 var(--mono);background:#c94f2d1a;border-radius:6px;padding:3px 8px}.entry-head h2{font-family:var(--display);letter-spacing:-.02em;margin:0;font-size:27px;font-weight:600}.entry-head p{color:var(--muted);margin:5px 0 0;font-size:13px}.multi-game-entry{justify-self:end;width:100%}.game-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin-top:20px;display:grid}.game-card{background:#fff6;border:1px solid #48331924;border-radius:17px;flex-direction:column;gap:12px;min-width:0;padding:13px;transition:border-color .2s,background .2s,transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.game-card:hover{background:#ffffffad;border-color:#c94f2d4d;transform:translateY(-2px);box-shadow:0 10px 24px #4f381e17}.game-card-art{border:1px solid #58371438;border-radius:12px;height:94px;position:relative;overflow:hidden}.gomoku-art{background-color:#d9a35e;background-image:linear-gradient(#43290e40 1px,#0000 1px),linear-gradient(90deg,#43290e40 1px,#0000 1px);background-size:14.285% 14.285%}.art-stone{aspect-ratio:1;width:10%;left:calc(7.15% + var(--x) * 14.285%);top:calc(7.15% + var(--y) * 14.285%);border-radius:50%;position:absolute;transform:translate(-50%,-50%)}.art-stone.black{background:radial-gradient(circle at 32% 26%,#6d7276,#101213 60%);box-shadow:2px 2px 4px #1e120659}.art-stone.white{background:radial-gradient(circle at 32% 26%,#fff,#d4c8b0 70%);box-shadow:2px 2px 4px #1e12062e}.xiangqi-art{background-color:#e3c58f;background-image:linear-gradient(#43290e38 1px,#0000 1px),linear-gradient(90deg,#43290e38 1px,#0000 1px);background-size:16.666% 16.666%}.art-piece{background:#f4e5c5;border:1.5px solid;border-radius:50%;place-items:center;width:30px;height:30px;font:700 16px/1 KaiTi,STKaiti,Songti SC,serif;display:grid;position:absolute;box-shadow:2px 3px 6px #311d0a38}.art-piece.red{color:#b52d1d;top:20%;left:24%;transform:rotate(-8deg)}.art-piece.black{color:#242322;top:20%;left:58%;transform:rotate(7deg)}.art-piece.small{font-size:13px;top:58%}.art-piece.red.small{left:14%}.art-piece.black.small{left:70%}.game-card-copy{gap:2px;display:grid}.game-english{color:var(--accent);font:700 8px/1.4 var(--mono);letter-spacing:.13em}.game-card-copy h3{font-family:var(--display);letter-spacing:-.02em;margin:0;font-size:20px;font-weight:650}.game-card-copy p{color:var(--muted);margin:2px 0 0;font-size:10px;line-height:1.45}.game-create-button{width:100%;min-height:35px;color:var(--ink-soft);cursor:pointer;background:#fffaf0bf;border:1px solid #48331924;border-radius:9px;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding:0 10px;font-size:10px;font-weight:700;transition:background .2s,color .2s,border-color .2s;display:flex}.game-create-button:hover{color:var(--accent-deep);background:#c94f2d0f;border-color:#c94f2d4d}.join-game-tabs{background:#e8ddca94;border:1px solid #4833191a;border-radius:12px;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:12px;padding:4px;display:grid}.join-game-tabs button{min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;font-size:11px;font-weight:700;transition:background .2s,color .2s,box-shadow .2s}.join-game-tabs button.is-selected{color:var(--accent-deep);background:#fffaf0eb;box-shadow:0 2px 8px #4f381e17}.field{gap:8px;display:grid}.field-label{color:var(--ink-soft);letter-spacing:.04em;font-size:12px;font-weight:700}.field input{width:100%;min-width:0;color:var(--ink);background:#ffffffb8;border:1px solid #4833192e;border-radius:13px;padding:15px 16px;transition:border-color .2s,background .2s,box-shadow .2s;box-shadow:inset 0 1px #fffc}.field input::placeholder{color:#a89b89}.field input:focus{background:#fff;border-color:#c94f2d80;outline:none;box-shadow:0 0 0 4px #c94f2d17}.primary-button,.secondary-button,.ghost-button,.rematch-button{cursor:pointer;border:0;border-radius:13px;font-weight:700;transition:transform .18s,box-shadow .18s,background .18s,color .18s,opacity .18s}.primary-button{color:#fff8eb;background:linear-gradient(135deg, #d75c36, var(--accent-deep));justify-content:space-between;align-items:center;width:100%;min-height:54px;margin-top:22px;padding:0 18px;display:flex;box-shadow:0 13px 30px #9d34193b}.primary-button:hover{transform:translateY(-2px);box-shadow:0 17px 36px #9d34194a}.primary-button:active,.secondary-button:active,.ghost-button:active,.rematch-button:active{transform:translateY(1px)scale(.99)}.button-arrow{border:1px solid #ffffff45;border-radius:50%;place-items:center;width:30px;height:30px;font-size:17px;display:grid}.or-divider{color:var(--muted);white-space:nowrap;align-items:center;gap:12px;margin:24px 0 18px;font-size:11px;display:flex}.or-divider:before,.or-divider:after{content:"";background:#4833191f;flex:1;height:1px}.join-row{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;display:grid}.code-field input{font-family:var(--mono);letter-spacing:.13em;text-transform:uppercase;font-size:17px;font-weight:700}.secondary-button{min-height:51px;color:var(--ink);background:#ede2cf;border:1px solid #4833191f;padding:0 22px}.secondary-button:hover:not(:disabled){background:#e4d5bd}.secondary-button:disabled{opacity:.46}.field-hint{color:var(--muted);margin:10px 0 0;font-size:11px;line-height:1.5}.room-screen{padding:24px 0 64px}.room-toolbar{justify-content:space-between;align-items:center;gap:20px;min-height:50px;margin-bottom:22px;display:flex}.back-button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:8px 0;font-size:13px;font-weight:650}.back-button:hover{color:var(--accent-deep)}.room-code-block{border:1px solid var(--panel-border);color:var(--muted);background:#fffaf0a1;border-radius:999px;align-items:center;gap:9px;padding:7px 8px 7px 14px;font-size:11px;display:flex}.room-identity{align-items:center;gap:9px;display:flex}.room-game-badge{color:#fff8eb;background:linear-gradient(135deg, #d75c36, var(--accent-deep));letter-spacing:.04em;border-radius:999px;padding:7px 11px;font-size:10px;font-weight:750;box-shadow:0 5px 12px #9d341929}.room-code-block strong{color:var(--ink);font:700 14px/1 var(--mono);letter-spacing:.1em}.icon-button{color:var(--accent-deep);cursor:pointer;background:#c94f2d17;border:0;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:700}.room-layout{grid-template-columns:minmax(0,1fr) 332px;align-items:start;gap:clamp(22px,3vw,38px);display:grid}.board-column{min-width:0}.players-strip{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;margin-bottom:14px;display:grid}.player-card{border:1px solid var(--panel-border);background:#fffaf08f;border-radius:16px;align-items:center;gap:13px;min-width:0;min-height:72px;padding:12px 15px;transition:background .25s,border-color .25s,transform .25s;display:flex;position:relative}.player-card.is-active{background:#fffaf0ed;border-color:#c38b3580;transform:translateY(-1px)}.player-card.is-offline{opacity:.72}.player-stone{border-radius:50%;flex:none;width:34px;height:34px}.player-stone.black{background:radial-gradient(circle at 33% 25%,#72777b,#191b1d 55%,#040506);box-shadow:5px 5px 12px #22160947}.player-stone.white{background:radial-gradient(circle at 33% 25%,#fff,#eee8da 55%,#c2b69f);border:1px solid #4833191f;box-shadow:5px 5px 12px #22160929}.player-stone.red{background:radial-gradient(circle at 33% 25%,#e76a54,#b52d1d 58%,#77180f);border:1px solid #611d1238;box-shadow:5px 5px 12px #521a0e33}.player-copy{gap:1px;min-width:0;display:grid}.player-color{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:9px;font-weight:800}.player-color b{color:var(--accent-deep);background:#c94f2d1c;border-radius:999px;margin-left:3px;padding:1px 5px;font-size:9px}.player-copy strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:15px;line-height:1.35;overflow:hidden}.player-state{color:var(--muted);font-size:10px}.turn-pulse{background:var(--gold);opacity:0;border-radius:50%;width:7px;height:7px;position:absolute;top:12px;right:12px}.player-card.is-active .turn-pulse{opacity:1;animation:1.2s ease-in-out infinite blink}.versus{color:var(--muted);font:700 9px/1 var(--mono);letter-spacing:.12em}.board-frame{aspect-ratio:1;background:var(--wood);border:1px solid #5837144d;border-radius:22px;width:100%;position:relative;overflow:hidden;box-shadow:0 28px 60px #462d1330,inset 0 0 0 5px #fff1cd26}.board-frame[data-game=xiangqi]{aspect-ratio:9/10;width:min(100%,660px);margin-inline:auto}#board-canvas{touch-action:manipulation;width:100%;height:100%;display:block}.board-loading{color:var(--ink);text-align:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#f8edd6bf;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:24px;display:flex;position:absolute;inset:0}.board-loading strong{font-family:var(--display);margin-top:12px;font-size:21px}.board-loading small{color:var(--muted);font-size:12px}.spinner{border:3px solid #c94f2d33;border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.spectator-badge{color:var(--ink-soft);letter-spacing:.08em;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffaf0db;border:1px solid #4833192b;border-radius:999px;padding:6px 11px;font-size:10px;font-weight:750;position:absolute;top:14px;right:14px}.turn-hint{min-height:22px;color:var(--muted);text-align:center;margin:12px 4px 0;font-size:12px}.side-panel{gap:14px;display:grid}.status-card,.share-card,.action-card,.rule-card{border:1px solid var(--panel-border);box-shadow:var(--shadow-soft);background:#fffaf0b8;border-radius:20px;padding:23px}.status-card{color:#f9f2e7;background:radial-gradient(circle at 100% 0,#c94f2d61,#0000 55%),linear-gradient(145deg,#29231c,#171411);border-color:#2c1e0f2e;position:relative;overflow:hidden}.status-card:after{content:"";border:1px solid #fff6e51a;border-radius:50%;width:150px;height:150px;position:absolute;bottom:-50px;right:-35px}.status-card[data-state=finished]{background:radial-gradient(circle at 100% 0,#c38b357a,#0000 57%),linear-gradient(145deg,#2d271e,#171310)}.status-topline{z-index:1;justify-content:space-between;align-items:center;gap:10px;margin-bottom:21px;display:flex;position:relative}.seat-badge{color:#f5d9a4;letter-spacing:.08em;border:1px solid #fff6e52e;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:700}.seat-badge[data-seat=second]{color:#f0ece2}.move-count{color:#f9f2e780;font:600 10px/1 var(--mono)}.status-card h2{z-index:1;font-family:var(--display);letter-spacing:-.025em;margin:0;font-size:31px;font-weight:500;line-height:1.25;position:relative}.status-card p{z-index:1;color:#f9f2e79e;margin:10px 0 0;font-size:12px;line-height:1.65;position:relative}.share-title{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.card-kicker{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-weight:800}.share-card h3{font-family:var(--display);margin:5px 0 0;font-size:20px;font-weight:600}.share-icon{width:33px;height:33px;color:var(--accent-deep);background:#c94f2d1a;border-radius:50%;flex:none;place-items:center;font-size:16px;display:grid}.share-card code{color:var(--ink-soft);font:11px/1.5 var(--mono);text-overflow:ellipsis;white-space:nowrap;background:#ffffff75;border:1px dashed #4833192e;border-radius:10px;margin-top:17px;padding:10px 12px;display:block;overflow:hidden}.share-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;display:grid}.compact{border-radius:10px;min-height:39px;padding:0 12px;font-size:11px}.ghost-button{color:var(--ink-soft);background:0 0;border:1px solid #48331926}.ghost-button:hover:not(:disabled){color:var(--accent-deep);background:#c94f2d0d;border-color:#c94f2d4d}.action-card{gap:9px;display:grid}.rematch-button{color:#fff8eb;background:linear-gradient(135deg, #d75c36, var(--accent-deep));min-height:47px;box-shadow:0 8px 20px #9d34192e}.rematch-button:disabled{color:var(--ink-soft);box-shadow:none;background:#e8ddcb}.rematch-hint{color:var(--muted);text-align:center;margin:0 0 4px;font-size:10px;line-height:1.5}.full-width{border-radius:10px;width:100%;min-height:41px;font-size:11px;font-weight:700}.rule-card p{color:var(--muted);margin:7px 0 0;font-size:11px;line-height:1.7}.site-footer{min-height:72px;color:var(--muted);letter-spacing:.04em;border-top:1px solid #48331924;justify-content:space-between;align-items:center;gap:20px;font-size:10px;display:flex}.toast-stack{z-index:50;gap:8px;width:min(340px,100vw - 44px);display:grid;position:fixed;bottom:22px;right:22px}.toast{border:1px solid #48331929;border-left:4px solid var(--gold);color:var(--ink);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffaf0f2;border-radius:11px;padding:13px 16px;font-size:12px;animation:.25s ease-out both toast-in}.toast-error{border-left-color:var(--accent)}.toast-success{border-left-color:var(--jade)}.toast.is-leaving{opacity:0;transition:opacity .22s,transform .22s;transform:translateY(8px)}@keyframes screen-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}@keyframes blink{0%,to{opacity:1}50%{opacity:.42}}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=980px){.lobby-screen{grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);gap:40px}.mini-board{display:none}.room-layout{grid-template-columns:minmax(0,1fr) 290px}}@media (width<=820px){.app-shell{width:min(100% - 32px,720px)}.site-header{min-height:74px}.lobby-screen{grid-template-columns:1fr;gap:46px;padding:56px 0}.lobby-copy{padding-top:0}.mini-board{display:none}h1{font-size:clamp(42px,10vw,62px)}.entry-card{max-width:560px}.room-layout{grid-template-columns:1fr}.side-panel{grid-template-columns:1fr 1fr;align-items:start}.status-card{grid-row:span 2}}@media (width<=560px){.app-shell{width:calc(100% - 24px)}.site-header{min-height:66px}.brand-copy strong{font-size:23px}.brand-stone{width:32px;height:32px}.brand-stone:after{width:10px;height:10px;transform:translate(7px,7px)}.lobby-screen{padding:42px 0 52px}h1{font-size:clamp(37px,11.5vw,50px)}h1 em{white-space:normal}.lead{margin-top:22px;font-size:15px}.entry-card{border-radius:22px;padding:24px 20px}.entry-head{margin-bottom:23px}.join-row{grid-template-columns:1fr}.join-row .secondary-button{width:100%}.room-screen{padding-top:14px}.room-toolbar{margin-bottom:16px}.room-code-block>span{display:none}.players-strip{gap:7px}.player-card{gap:9px;min-height:64px;padding:10px}.player-stone{width:27px;height:27px}.player-copy strong{font-size:13px}.player-color{font-size:8px}.player-state{font-size:9px}.turn-pulse{top:8px;right:8px}.board-frame{border-radius:16px}.side-panel{grid-template-columns:1fr}.status-card{grid-row:auto}.status-card h2{font-size:27px}.site-footer{text-align:center;flex-direction:column;justify-content:center;gap:2px;padding:16px 0}.toast-stack{width:calc(100vw - 24px);bottom:12px;right:12px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}