:root{color-scheme:dark;--bg:#0d1917;--panel:#162724;--line:#344944;--gold:#f1cc83;--ink:#f7f2e6;--muted:#adc1b8;--mint:#82dac1;font-family:system-ui,"Microsoft JhengHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#26403a,var(--bg) 42rem);color:var(--ink);min-height:100vh}
button,input,select{font:inherit}button,a,input,select,summary{outline-offset:4px}button{cursor:pointer;background:#243934;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:.62rem .86rem}button:hover{border-color:var(--mint)}button:disabled{opacity:.55;cursor:default}button.primary{background:var(--gold);color:#242018;font-weight:750;border-color:transparent}input,select{width:100%;background:#101e1b;border:1px solid var(--line);border-radius:9px;color:var(--ink);padding:.7rem .8rem;min-width:0}a{color:var(--gold)}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px clamp(14px,4vw,52px);border-bottom:1px solid var(--line);background:#111e1cf0}
.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--ink);font-size:1.22rem;letter-spacing:.07em;font-weight:850}.brand small{display:block;color:var(--muted);font-size:.63rem;letter-spacing:.18em}.brand b,.eyebrow{color:var(--gold)}.mark{display:grid;place-items:center;background:#f3db9f;color:#1a2b24;width:38px;height:44px;border-radius:8px;box-shadow:0 3px #987747}
#status{display:flex;gap:9px;align-items:center;flex-wrap:wrap;justify-content:flex-end;color:var(--muted);font-size:.84rem}#status strong{color:var(--gold)}
main{max-width:1210px;margin:auto;padding:clamp(12px,3vw,30px)}h1{font-size:clamp(1.75rem,5vw,3rem);margin:.18em 0}h2,h3,p{margin:.2rem 0 .65rem}.eyebrow{font-size:.75rem;font-weight:750;letter-spacing:.18em}.muted,small{color:var(--muted)}.hero,.panel,.login{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:clamp(13px,3vw,24px)}.hero{margin-bottom:14px;background:linear-gradient(115deg,#233d34,#192b27);display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.login{max-width:460px;margin:clamp(25px,11vh,100px) auto}.login form,.adminform{display:grid;gap:11px}.login label{display:grid;gap:5px}.login .switch{margin-top:14px}
.columns{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(250px,1fr);gap:14px;align-items:start}.games{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:14px}.game{border:1px solid var(--line);border-radius:12px;padding:14px;background:#203630}.game-symbol{font-size:1.8rem;color:var(--gold);margin-bottom:6px}.rows{display:grid;gap:8px}.row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding:10px 0}.row strong{overflow-wrap:anywhere}
.chat{min-width:0}.chat summary{cursor:pointer;font-weight:750;margin-bottom:10px}.messages{height:230px;overflow:auto;overflow-wrap:anywhere;overscroll-behavior:contain}.message{margin:5px 0;font-size:.9rem}.message b{color:var(--mint)}.chat form{display:flex;gap:6px;margin-top:8px}.chat button{flex-shrink:0}
.felt{background:radial-gradient(ellipse,#245f50,#154239 70%);border:1px solid #61856b;border-radius:22px;padding:clamp(9px,2vw,21px);min-height:240px}.tablehead,.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tablehead{justify-content:space-between;margin-bottom:10px}.notice{padding:9px 12px;margin-bottom:9px;background:#142d26;border:1px solid #6b937a;border-radius:10px;color:#ffe6af;min-height:41px}.seats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.seat{background:#132f29b5;border:1px solid #487366;border-radius:10px;padding:8px;overflow-wrap:anywhere}.seat.turn{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}.seat.fade{opacity:.66}.seat small{display:block}.mini{display:flex;gap:3px;flex-wrap:wrap;margin-top:4px}.mini i{font-style:normal;color:#f0dfab}.board{min-height:65px;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}.board-label{width:100%;text-align:center;color:#c1e4d6;font-size:.85rem}.hand{display:flex;gap:4px;flex-wrap:wrap;margin:9px 0}.card,.tile{display:inline-grid;place-items:center;min-width:32px;min-height:43px;padding:3px;border:1px solid #d5c294;border-radius:5px;background:#faf1d5;color:#182822;font-weight:850;box-shadow:0 3px #aa996c}.tile{min-width:33px;min-height:45px}.red{color:#a01e2a}.chosen{transform:translateY(-4px);outline:2px solid var(--gold);outline-offset:2px}.mini .tile,.mini .card{min-width:24px;min-height:28px;font-size:.72rem;box-shadow:none}.actions{min-height:42px;margin:8px 0}.actions input{max-width:105px}.timer{font-variant-numeric:tabular-nums;color:var(--gold)}.adminform{margin-bottom:14px}.adminform label{display:grid;gap:5px}.key{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--gold);margin:12px 0}.ledger{max-height:245px;overflow:auto}.ledger .row{font-size:.85rem}.positive{color:var(--mint)}.negative{color:#ffa5a1}
#toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);width:max-content;max-width:92vw;padding:10px 15px;background:#302a21;border:1px solid #947b52;border-radius:10px;box-shadow:0 5px 22px #0007;z-index:5}
@media(max-width:730px){.columns{grid-template-columns:1fr}.messages{height:155px}.top{padding:10px 12px}main{padding:11px}.top button{padding:.45rem}.tablehead h2{font-size:1.15rem}}
@media(prefers-reduced-motion:no-preference){.card,.tile,.notice{animation:arrive .2s ease-out}@keyframes arrive{from{opacity:.6;translate:0 3px}to{opacity:1;translate:0 0}}}
/* Keep the table geometry stable as the server sends individual moves. */
html{overflow-y:scroll;scrollbar-gutter:stable;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-x:clip}
input,select,textarea{font-size:16px}
button{touch-action:manipulation}
.card,.tile,.notice{animation:none}
.tablehead h2{min-width:0;overflow-wrap:anywhere}
.game-table>.panel{min-width:0}
.seat-identity,.avatar-preview{display:flex;align-items:center;gap:5px;min-width:0}
.seat-identity strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seat-avatar{position:relative;display:inline-grid;flex:none;place-items:center;width:22px;height:22px;overflow:hidden;border-radius:50%;background:#f4ce84;color:#23392d;font-size:.78rem;font-weight:800}
.seat-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.avatar-art{display:block;width:100%;height:100%;pointer-events:none}
.avatar-editor{display:grid;gap:8px;max-width:300px;margin-top:10px}
.avatar-preview .seat-avatar{width:44px;height:44px;font-size:1.5rem}
.avatar-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}
.avatar-options button{min-height:40px;padding:4px;font-size:1.15rem}
.avatar-options .seat-avatar{width:30px;height:30px;font-size:.9rem}
.avatar-options button[aria-pressed=true]{border-color:var(--gold);background:#4b422c}
.avatar-editor label{display:grid;gap:4px;color:var(--muted);font-size:.82rem}
.avatar-editor input{padding:.5rem;font-size:.9rem}
.rotate-tip{flex-basis:100%}
@media (orientation:landscape) and (max-height:600px){
  .top{padding:5px 12px}.brand .mark{height:28px;width:28px}.brand small{display:none}
  main{padding:5px 9px}.game-table{grid-template-columns:minmax(0,1fr);gap:6px}
  .game-table>.panel{padding:5px 9px}.game-table .tablehead{margin-bottom:4px}.game-table .tablehead h2{font-size:1rem}
  .game-table button{padding:.37rem .62rem}
  .game-table .chat .messages{height:72px}
}
.face-art{display:block;width:100%;height:100%;pointer-events:none}
.tile,.card{width:34px;height:47px;padding:1px}
.mini .tile,.mini .card{width:24px;height:31px}
.mahjong-stakes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:6px;align-items:end}
.mahjong-stakes input{width:100%;min-width:0}
.mahjong-stakes button{grid-column:1/-1}
.mahjong-score{margin-top:8px;padding:8px 12px;border:1px solid #a78b58;border-radius:8px}
.mahjong-score p{margin:.2rem 0}
.table-immersive .top{display:none}
.table-immersive main{padding:4px 8px}
.table-immersive .game-table{display:block}
.table-immersive .game-table>.panel{padding:5px 7px}
@media (orientation:portrait){
  html.table-immersive{overflow:hidden}
  .table-immersive body{position:fixed;inset:0 auto auto 0;width:100dvh;height:100dvw;min-height:0;overflow:auto;transform:translateX(100dvw) rotate(90deg);transform-origin:top left}
}