:root{--bg:#f3f2ec;--surface:#fffdf7;--text:#1f1f1b;--muted:#5f5d57;--line:#ddd5c7;--accent:#0f766e;--accent-dark:#115e59;--danger:#c2410c}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 0 0,#faf8ef 0,transparent 45%),radial-gradient(circle at 100% 100%,#efe6d6 0,transparent 40%),var(--bg);color:var(--text);font-family:IBM Plex Sans,Avenir Next,Segoe UI,sans-serif}a{color:inherit}.page-shell{max-width:1200px;margin:0 auto;padding:1rem}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:var(--surface);border:1px solid var(--line);border-radius:12px}.topbar h1{margin:0;font-size:1.4rem}.topbar p{margin:.25rem 0 0;color:var(--muted);font-size:.92rem}.topnav{display:flex;align-items:center;gap:.75rem}.topnav a,.topnav button{border:1px solid var(--line);background:#fff;color:var(--text);padding:.45rem .75rem;border-radius:8px;text-decoration:none;cursor:pointer}.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1rem}.stack{display:grid;grid-gap:1rem;gap:1rem;margin-top:1rem}.row{align-items:center;flex-wrap:wrap}.row,.tabs{display:flex;gap:.5rem}.tab{border:1px solid var(--line);background:#fff;padding:.45rem .8rem;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.tab-badge{min-width:1.25rem;height:1.25rem;padding:0 .35rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;line-height:1;background:#ef4444;color:#fff}button,input,select,textarea{font:inherit}input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:.45rem .55rem;background:#fff}button.primary{background:var(--accent);border:1px solid var(--accent);color:#fff;border-radius:8px;padding:.45rem .75rem;cursor:pointer}button.primary:hover{background:var(--accent-dark)}.grid-2{display:grid;grid-gap:1rem;gap:1rem;grid-template-columns:1fr}@media (min-width:900px){.grid-2{grid-template-columns:1.1fr .9fr}}.game-list{list-style:none;padding:0;margin:0;display:grid;grid-gap:.5rem;gap:.5rem}.game-list li{border:1px solid var(--line);border-radius:8px;padding:.75rem;background:#fff}.muted{color:var(--muted);font-size:.92rem}.error{color:var(--danger)}.turn-banner{border:1px solid var(--line);border-radius:8px;padding:.55rem .75rem;font-weight:600}.turn-banner.my-turn{background:#dcfce7;border-color:#86efac;color:#14532d}.turn-banner.waiting-turn{background:#fef3c7;border-color:#fcd34d;color:#78350f}.turn-banner.spectator-turn{background:#eef2ff;border-color:#c7d2fe;color:#3730a3}.game-result-banner{background:#e0f2fe;border:1px solid #7dd3fc;border-radius:8px;color:#0c4a6e;font-weight:700;padding:.6rem .8rem}.toast-stack{position:fixed;top:1rem;right:1rem;z-index:1000;display:grid;grid-gap:.5rem;gap:.5rem;width:min(420px,calc(100vw - 2rem))}.toast{border-radius:10px;padding:.7rem .85rem;border:1px solid transparent;box-shadow:0 12px 28px rgba(0,0,0,.16);font-weight:600;animation:toast-pop .12s ease-out}.toast-warning{background:#fff7ed;border-color:#fdba74;color:#9a3412}.toast-error{background:#fef2f2;border-color:#fca5a5;color:#991b1b}@keyframes toast-pop{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.board{display:grid;grid-template-columns:repeat(8,minmax(32px,64px));width:-moz-fit-content;width:fit-content;border:2px solid #5f4435}.square{width:min(64px,10vw);height:min(64px,10vw);border:0;margin:0;display:grid;place-items:center;font-size:clamp(1.2rem,3.2vw,2.1rem);cursor:pointer}.piece{display:inline-block;line-height:1}.piece-w{color:#fff;text-shadow:-1px -1px 0 #1f2937,1px -1px 0 #1f2937,-1px 1px 0 #1f2937,1px 1px 0 #1f2937}.piece-b{color:#111827;text-shadow:0 1px 0 hsla(0,0%,100%,.22)}.square.light{background:#f0d9b5}.square.dark{background:#b58863}.square.selected{outline:3px solid #0891b2;outline-offset:-3px}.square:disabled{cursor:default}.chat-box{border:1px solid var(--line);border-radius:8px;background:#fff;max-height:280px;overflow:auto;padding:.75rem;display:grid;grid-gap:.5rem;gap:.5rem}.chat-msg{border-bottom:1px dashed #e7e0d4;padding-bottom:.4rem}.chat-msg:last-child{border-bottom:0}.snapshot{width:min(560px,100%);border:1px solid var(--line);border-radius:10px;background:#fff}