/* Palette follows the Kyushu trip site. */
:root{--paper:#f8f2e9;--card:#fffdf7;--ink:#493a38;--muted:#7a625d;--rose:#ad5a66;--rose-ink:#fff;--line:#e6d9ce;--soft:#eee3d9;--shadow:0 12px 40px #6b493418;
  --light:#f3e4cf;--dark:#c99a7e;--coord-light:#4a3330;--coord-dark:#4a3330;--last:#f2c76b99;--sel:#e9a3ae;--target:#4a3330aa;--check:#e5484d;--link:#95434f;
  --danger:#a3333d;--gold:#e8b44d;color-scheme:light}
:root[data-theme="dark"]{--link:#eca3ae;--paper:#211e23;--card:#302b30;--ink:#f5e7da;--muted:#c5aaa3;--rose:#eca3ae;--rose-ink:#2a1d20;--line:#51434b;--soft:#40353c;--shadow:0 12px 40px #0004;--danger:#ff8a93;color-scheme:dark}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--link:#eca3ae;--paper:#211e23;--card:#302b30;--ink:#f5e7da;--muted:#c5aaa3;--rose:#eca3ae;--rose-ink:#2a1d20;--line:#51434b;--soft:#40353c;--shadow:0 12px 40px #0004;--danger:#ff8a93;color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100svh;background:var(--paper);color:var(--ink);font:16px/1.45 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Thonburi","Sukhumvit Set","Noto Sans Thai","Leelawadee UI",sans-serif;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;touch-action:manipulation}
:focus-visible{outline:3px solid var(--rose);outline-offset:2px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.small{font-size:13px}
h1,h2{font-family:Georgia,"Thonburi",serif;font-weight:400;letter-spacing:-.02em;margin:0}

/* top bar */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:8px;color:inherit;text-decoration:none;font:20px Georgia,"Thonburi",serif;min-height:44px}
.language-toggle{display:flex;align-items:center;padding:3px;background:var(--card);border:1px solid var(--line);border-radius:30px;font-size:14px}
.language-toggle button{background:none;border:0;border-radius:20px;padding:6px 12px;min-height:44px;min-width:44px}
.language-toggle button[aria-pressed=true]{background:var(--rose);color:var(--rose-ink)}
.language-toggle span{opacity:.5}

main{max-width:1100px;margin:0 auto;padding:0 12px 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);text-decoration:none;font-weight:600;color:var(--ink)}
.btn:hover{border-color:var(--rose)}
.btn.primary{background:var(--rose);border-color:var(--rose);color:var(--rose-ink)}
.btn.danger{color:var(--danger)}
.btn.big{width:100%;min-height:52px;font-size:18px}
.btn.small{min-height:44px;padding:6px 14px}
.btn:disabled{opacity:.6;cursor:default}
.linkish{background:none;border:0;padding:10px 0;color:var(--link);text-decoration:underline;min-height:44px}

/* home */
.home{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;max-width:520px;margin:0 auto}
.hero{display:flex;align-items:center;gap:8px}
.hero img{width:min(42vw,200px);height:auto}
.hero h1{font-size:clamp(30px,8vw,42px)}
.tagline{margin:6px 0 0;color:var(--muted)}
.card h2{font-size:24px;margin-bottom:8px}
fieldset{border:0;margin:0 0 16px;padding:0;min-width:0}
legend{font-weight:600;margin-bottom:8px;padding:0}
.avatar-pick{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.avatar-option{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px 10px;border:2px solid var(--line);border-radius:14px;cursor:pointer;background:var(--paper);font-weight:600}
.avatar-option img{width:100%;max-width:130px;height:auto}
.avatar-option input{position:absolute;opacity:0;pointer-events:none}
.avatar-option:has(input:checked){border-color:var(--rose);background:color-mix(in srgb,var(--rose) 12%,var(--card));box-shadow:0 0 0 2px var(--rose) inset}
.avatar-option:has(input:checked)::after{content:"✓";position:absolute;top:6px;right:8px;width:26px;height:26px;border-radius:50%;background:var(--rose);color:var(--rose-ink);display:grid;place-items:center;font-size:15px}
.avatar-option:has(input:focus-visible){outline:3px solid var(--rose);outline-offset:2px}
.avatar-option .taken{display:none;font-style:normal;font-size:13px;color:var(--muted)}
.avatar-option.is-taken{cursor:not-allowed;opacity:.55}
.avatar-option.is-taken img{filter:grayscale(1)}
.avatar-option.is-taken .taken{display:block}
.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;font-size:15px}
.segmented label{position:relative}
.segmented input{position:absolute;opacity:0;pointer-events:none}
.segmented label>span img{background:#f3e4cf;border-radius:50%;padding:1px}
.segmented label>span{display:flex;align-items:center;justify-content:center;gap:4px;min-height:48px;border:2px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;font-weight:600;padding:4px}
.segmented input:checked+span{border-color:var(--rose);background:color-mix(in srgb,var(--rose) 12%,var(--card))}
.segmented input:focus-visible+span{outline:3px solid var(--rose);outline-offset:2px}
.form-error{color:var(--danger);margin:8px 0 0;min-height:0}
.form-error:empty{display:none}
.join-code label{font-weight:600;display:block;margin-bottom:8px}
.join-code input{flex:1;min-width:0;min-height:48px;border:2px solid var(--muted);border-radius:12px;padding:6px 12px;background:var(--paper);font:600 20px ui-monospace,Menlo,monospace;letter-spacing:.15em;text-transform:uppercase}
.join-code .row{flex-wrap:nowrap}
.my-games ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.my-games a{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:12px;color:inherit;text-decoration:none;min-height:48px;border:1px solid var(--line)}
.my-games a:hover{border-color:var(--rose)}
.my-games strong{font-family:ui-monospace,Menlo,monospace;letter-spacing:.1em}
.my-games img{border-radius:50%;background:var(--soft)}
.mini-king{vertical-align:-3px;border-radius:0!important;background:none!important}

/* invite + message */
.invite,.message{max-width:480px;margin:0 auto}
.invite .card,.message .card{text-align:center}
.invite-face{width:110px;height:110px;border-radius:50%;background:var(--soft);border:3px solid var(--rose)}
.invite h1{font-size:26px;margin:8px 0 14px}
.invite legend{width:100%;text-align:center}
.message img{width:160px;height:auto}
.message p{font-size:18px}

/* game layout: phone = one column; wide = board left, side panel right */
.game{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.board-col{display:grid;gap:8px;justify-items:center}
.side-col{display:grid;gap:12px;align-content:start}
@media (min-width:900px){
  .game{grid-template-columns:minmax(0,640px) 340px;justify-content:center;align-items:start}
  .board-col{--board:min(100%,640px,max(320px,calc(100svh - 230px)))}
}
.game.loading .board{opacity:.4}

/* players */
.player{position:relative;display:flex;align-items:center;gap:10px;width:var(--board);min-height:64px;padding:6px 10px;border-radius:14px;border:2px solid transparent;background:var(--card);transition:border-color .2s,box-shadow .2s}
.player.active{border-color:var(--rose);box-shadow:0 0 0 3px color-mix(in srgb,var(--rose) 25%,transparent)}
.player.absent .face{filter:grayscale(1);opacity:.5}
.face-wrap{flex:none;width:56px;height:56px;border-radius:50%;background:var(--soft);overflow:hidden}
.face{width:100%;height:100%;display:block}
.who{min-width:0;flex:1}
.name-line{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.name-line .you{font-weight:400;color:var(--muted)}
.king{flex:none;background:#f3e4cf;border-radius:50%;padding:1px;width:20px;height:20px}
.presence.on{width:10px;height:10px;border-radius:50%;background:#3aa76d;display:inline-block}
.presence.off{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 8px}
.status{min-height:22px}
.turn-pill{display:inline-block;font-size:13px;font-weight:700;background:var(--rose);color:var(--rose-ink);border-radius:999px;padding:1px 10px}
.player.absent .status{color:var(--muted);font-size:14px}
.caps{display:flex;flex-wrap:wrap;gap:0;min-height:0}
.caps img{width:20px;height:20px;margin-right:-3px;background:#f3e4cf;border-radius:50%;padding:1px}

/* board */
.board-col{--board:min(100%,640px)}
.board-wrap{position:relative;width:var(--board);aspect-ratio:1}
.board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:100%;height:100%;border-radius:8px;overflow:hidden;box-shadow:0 6px 24px #6b49342a;border:3px solid #8a5a44;touch-action:manipulation;-webkit-user-select:none;user-select:none}
.sq{position:relative;border:0;padding:0;margin:0;display:block;width:100%;height:100%;-webkit-tap-highlight-color:transparent;cursor:default}
.sq.light{background:var(--light)}
.sq.dark{background:var(--dark)}
.board.my-turn .sq.movable,.sq.target,.sq.capture-target{cursor:pointer}
.sq.last::before{content:"";position:absolute;inset:0;background:var(--last)}
.sq.selected::before{content:"";position:absolute;inset:0;background:var(--sel);box-shadow:inset 0 0 0 4px var(--rose)}
.sq.in-check{background:radial-gradient(circle,var(--check) 0%,#e5484d88 45%,transparent 75%)}
.sq.in-check.light{background-color:var(--light)}.sq.in-check.dark{background-color:var(--dark)}
.piece{position:absolute;inset:2%;filter:drop-shadow(0 0 .5px #4a3330);background-size:contain;background-repeat:no-repeat;background-position:center;z-index:1;pointer-events:none}
.sq.target::after{content:"";position:absolute;left:35%;top:35%;width:30%;height:30%;border-radius:50%;background:var(--target);z-index:2}
.sq.capture-target::after{content:"";position:absolute;inset:3%;border-radius:50%;border:5px solid var(--target);z-index:2}
.sq .rank,.sq .file{position:absolute;font:700 clamp(7px,2.1vw,11px)/1 ui-sans-serif,system-ui,sans-serif;font-style:normal;z-index:2;pointer-events:none}
.sq .rank{top:2px;left:2px}.sq .file{bottom:1px;right:2px}
.sq.light i{color:var(--coord-light)}.sq.dark i{color:var(--coord-dark)}
.sq:focus-visible{outline:3px solid #fff;outline-offset:-3px;box-shadow:inset 0 0 0 6px #2b6cb0;z-index:3}

/* promotion picker */
.promo{position:absolute;inset:0;z-index:10;display:grid;place-content:center;justify-items:center;gap:10px;background:#2a1d20b3;border-radius:8px;color:#fff;padding:12px;text-align:center}
.promo p{margin:0;font-weight:700;font-size:18px}
.promo-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.promo-piece{width:72px;height:72px;border-radius:14px;border:2px solid var(--line);background:var(--light);display:grid;place-items:center}
.promo-piece:hover{border-color:var(--rose)}
.promo .btn{background:var(--card)}

/* reactions */
.sticker{position:absolute;left:50%;top:50%;z-index:9;width:min(62%,280px);transform:translate(-50%,-50%) scale(.4);opacity:0;pointer-events:none;text-align:center}
.sticker img{width:100%;height:auto;filter:drop-shadow(0 6px 14px #0005)}
.sticker strong{display:inline-block;margin-top:-8px;font:700 clamp(22px,7vw,34px)/1.1 Georgia,"Thonburi",serif;color:var(--rose-ink);background:var(--rose);padding:4px 16px;border-radius:999px;box-shadow:0 4px 14px #0004}
.sticker.show{animation:sticker 1.9s ease both}
@keyframes sticker{0%{opacity:0;transform:translate(-50%,-50%) scale(.4)}14%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}22%{transform:translate(-50%,-50%) scale(1)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-56%) scale(1)}}
.bubble{position:absolute;right:12px;top:-18px;z-index:5;background:var(--card);border:2px solid var(--rose);border-radius:16px;padding:2px 10px;font-size:22px;line-height:1.3;display:flex;align-items:center;gap:4px;box-shadow:0 4px 12px #0002;animation:bubble 2.6s ease both;pointer-events:none}
.bubble::after{content:"";position:absolute;right:14px;bottom:-8px;border:7px solid transparent;border-top-color:var(--rose);border-bottom:0}
.bubble.alert{border-color:var(--check)}
@keyframes bubble{0%{opacity:0;transform:translateY(8px) scale(.6)}12%{opacity:1;transform:none}85%{opacity:1}100%{opacity:0;transform:translateY(-6px)}}
.face-wrap.hop{animation:hop .6s ease}
.face-wrap.shake{animation:shake .5s ease}
@keyframes hop{0%,100%{transform:none}35%{transform:translateY(-10px) rotate(-6deg)}60%{transform:translateY(0) rotate(4deg)}}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-5px) rotate(-4deg)}40%{transform:translateX(5px) rotate(4deg)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}

/* side panel */
.waiting{text-align:center}
.waiting img{width:140px;height:auto}
.waiting-title{font:22px Georgia,"Thonburi",serif;margin:4px 0 6px}
.waiting p{margin:6px 0}
.share-row input{width:100%;min-height:44px;border:1.5px solid var(--muted);border-radius:10px;padding:6px 10px;background:var(--paper);font-size:15px;text-align:center}
.waiting .row{justify-content:center;margin-top:10px}
.code-line strong{font-family:ui-monospace,Menlo,monospace;letter-spacing:.15em;font-size:18px}
.banner{background:var(--card);border:2px solid var(--rose);border-radius:16px;padding:12px 14px;text-align:center}
.banner p{margin:0 0 8px}
.banner .row{justify-content:center}
.banner .result strong{font:24px Georgia,"Thonburi",serif}
.banner .result span{display:block;color:var(--muted)}
.banner .note{color:var(--muted)}
.actions{display:grid;gap:10px}
.emotes{display:flex;gap:8px;justify-content:center}
.emote{width:52px;height:48px;border-radius:14px;border:1.5px solid var(--line);background:var(--card);font-size:24px;line-height:1}
.emote:active{transform:scale(.92)}
.game-buttons{justify-content:center}
.moves{padding:12px 16px}
.moves summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center;gap:6px}
.moves .round{font-weight:400;color:var(--muted)}
.moves ol{margin:8px 0 0;padding-left:2.2em;max-height:220px;overflow:auto;font-variant-numeric:tabular-nums}
.moves li span{display:inline-block;min-width:4.5em}
.moves .muted{margin:8px 0 0}
.private{text-align:center}
.private p{margin:0}
@media (min-width:900px){.moves[open] ol{max-height:300px}}

/* connection */
.conn{position:fixed;left:50%;top:calc(8px + env(safe-area-inset-top));transform:translateX(-50%);z-index:50;background:var(--ink);color:var(--paper);border-radius:999px;padding:6px 14px;display:flex;gap:8px;align-items:center;font-size:14px;box-shadow:0 4px 14px #0003}
.spinner{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* dialogs */
dialog{border:0;border-radius:20px;padding:20px;background:var(--card);color:var(--ink);box-shadow:0 20px 60px #0005;max-width:min(92vw,420px);text-align:center}
dialog::backdrop{background:#2a1d2099}
dialog h2{font-size:28px;margin:6px 0}
dialog p{margin:0 0 14px;color:var(--muted)}
dialog .row{justify-content:center}
.end-dialog img{width:min(64vw,240px);height:auto}

.credits{max-width:1100px;margin:0 auto;padding:8px 12px 20px;text-align:center;font-size:12px;color:var(--muted)}
.credits p{margin:0}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}
  .sticker.show{animation:none;opacity:1;transform:translate(-50%,-50%)}
  .bubble{animation:none;opacity:1;transform:none}}
/* While waiting for the second player, show the share card first on phones. */
@media (max-width:899px){.game:has(#waiting:not([hidden])) .side-col{order:-1}}
/* A filled pill always means "your move"; the other player's turn is outlined. */
.player:not(.me) .turn-pill{background:none;border:1.5px solid var(--rose);color:var(--ink)}
.turn-pill.nudge{animation:shake .5s ease}