html{box-sizing:border-box;color-scheme:light}
*,*::before,*::after{box-sizing:inherit}
html,body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
:root{
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --bg:#eceee8; --surface:#f8f9f5; --surface-2:#e0e5dc; --ink:#18221d; --muted:#55645b; --line:#cdd5c9;
  --accent:#a7312a; --suit-red:#bd3327; --good:#2c7a4b; --bad:#b3372e;
  --felt:#28604a; --felt-2:#1a4335; --wood:#6b452a; --felt-ink:#f2f5ee; --felt-mute:#bdd0c2;
  --brass:#b98a2e; --brass-hi:#e6c066;
  --slate:#232d28; --chalk:#e8eee4;
  --card:#fdfcf7; --card-ink:#1b1f1d; --card-red:#c0362b; --card-edge:#cfc9b8;
  --wine:#7a2530; --wine-2:#651d29;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#101613; --surface:#18201c; --surface-2:#222c27; --ink:#e7ede6; --muted:#9daba1; --line:#2b3831;
    --accent:#e0594c; --suit-red:#ff7d70; --good:#5cc08a; --bad:#ff7d70;
    --felt:#1f5140; --felt-2:#123226; --wood:#452b1a; --brass:#d3a54a;
    --slate:#1a221e;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#101613; --surface:#18201c; --surface-2:#222c27; --ink:#e7ede6; --muted:#9daba1; --line:#2b3831;
  --accent:#e0594c; --suit-red:#ff7d70; --good:#5cc08a; --bad:#ff7d70;
  --felt:#1f5140; --felt-2:#123226; --wood:#452b1a; --brass:#d3a54a;
  --slate:#1a221e;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:15px/1.5 "Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;padding-inline:16px;padding-block:14px 48px}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;text-wrap:balance;margin:0}
p{margin:0}
.app{max-width:1120px;margin:0 auto}
:focus-visible{outline:3px solid var(--brass-hi);outline-offset:2px}

/* header */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-block:6px 16px}
.brand{display:flex;align-items:center;gap:10px}
.brand h1{font-size:clamp(1.5rem,4.6vw,2.1rem);line-height:1.05;letter-spacing:-.025em}
.suits{display:inline-grid;grid-template-columns:1fr 1fr;font-size:.95rem;line-height:1;gap:1px;padding:5px 6px;background:var(--card);border-radius:8px;border:1px solid var(--card-edge)}
.suits .k{color:var(--card-ink)}.suits .r{color:var(--card-red)}
.tabs{display:flex;gap:4px;background:var(--surface-2);padding:4px;border-radius:12px}
.tabs button{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:9px;font-weight:600;cursor:pointer;min-height:40px}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.18)}

/* suit colouring */
.r{color:var(--suit-red)}.k{color:inherit}

/* cards */
.card{--w:var(--cw,56px);position:relative;display:block;flex:none;padding:0;margin:0;width:var(--w);height:calc(var(--w)*1.4);border-radius:calc(var(--w)*.1);background:var(--card);color:var(--card-ink);border:1px solid var(--card-edge);box-shadow:0 1px 0 rgba(0,0,0,.08),0 3px 8px rgba(0,0,0,.3);font-family:inherit;text-align:left;cursor:default;overflow:hidden;-webkit-tap-highlight-color:transparent}
.card.red{color:var(--card-red)}
.card .idx{position:absolute;left:calc(var(--w)*.09);top:calc(var(--w)*.05);display:flex;flex-direction:column;align-items:center;line-height:1;font-weight:800;font-size:calc(var(--w)*.27)}
.card .idx i{font-style:normal;font-size:calc(var(--w)*.25);margin-top:calc(var(--w)*.01)}
.card .idx.b{left:auto;top:auto;right:calc(var(--w)*.09);bottom:calc(var(--w)*.05);transform:rotate(180deg)}
.card .mid{position:absolute;inset:0;display:grid;place-items:center;font-size:calc(var(--w)*.62);line-height:1;padding-top:calc(var(--w)*.06)}
.card .mid.face{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;padding:0}
.card .mid.face b{font-size:calc(var(--w)*.56);line-height:.9;font-weight:800}
.card .mid.face i{font-style:normal;font-size:calc(var(--w)*.3);line-height:1}
.card.trump::after{content:"";position:absolute;left:10%;right:10%;bottom:0;height:calc(var(--w)*.07);min-height:3px;background:var(--brass);border-radius:4px 4px 0 0}
.card.back{background:repeating-linear-gradient(45deg,var(--wine) 0 4px,var(--wine-2) 4px 8px);border-color:#e9d7c1;border-width:calc(var(--w)*.05)}
.card.back::before{content:"";position:absolute;inset:8%;border:1.5px solid rgba(233,215,193,.7);border-radius:calc(var(--w)*.06)}

/* felt */
.play{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
.felt{--hw:clamp(46px,14.4vw,82px);position:relative;display:grid;grid-template-columns:minmax(66px,1fr) auto minmax(66px,1fr);grid-template-areas:"bar bar bar" "north north north" "west center east" "status status status" "actions actions actions" "me me me";gap:10px 8px;padding:14px 12px 18px;border-radius:26px;background:radial-gradient(120% 90% at 50% 38%,var(--felt) 0,var(--felt-2) 100%);color:var(--felt-ink);border:6px solid var(--wood);box-shadow:inset 0 0 0 1px rgba(255,255,255,.07),0 12px 32px rgba(0,0,0,.2);min-width:0}
.felt .r{color:#ff9f94}
.bar{grid-area:bar;display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;font-size:.78rem}
.pill{background:rgba(0,0,0,.24);padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill.trumpchip{background:var(--card);color:var(--card-ink);font-weight:700}
.felt .pill.trumpchip .r{color:var(--card-red)}
.seat{display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center;font-size:.8rem;min-width:0}
.seat .nm{font-weight:800;font-size:.9rem}
.seat .role{color:var(--felt-mute);font-size:.72rem}
.seat .nm.turn::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brass-hi);margin-right:6px;animation:pulse 1s ease-in-out infinite}
.seat .tag{display:inline-block;background:var(--brass-hi);color:#13271f;border-radius:999px;padding:0 7px;font-size:.68rem;font-weight:700;margin-left:4px}
.backs{display:flex;padding-top:4px;--cw:26px}
.backs .card+.card{margin-left:calc(var(--cw)*-.6)}
.seat.north{grid-area:north}.seat.west{grid-area:west}.seat.east{grid-area:east}
.seat.north .backs{--cw:30px}
.seat.west .backs,.seat.east .backs{--cw:19px}
.center{grid-area:center;display:grid;place-items:center;min-height:calc(var(--hw)*.78*3.15);min-width:0}
.trick{--cw:calc(var(--hw)*.78);display:grid;grid-template-columns:repeat(3,calc(var(--cw)*.86));grid-template-rows:repeat(3,calc(var(--cw)*1));grid-template-areas:". s2 ." "s3 . s1" ". s0 .";padding-block:calc(var(--cw)*.2)}
.slot{display:flex;align-items:center;justify-content:center;min-width:0}
.slot.s0{grid-area:s0}.slot.s1{grid-area:s1}.slot.s2{grid-area:s2}.slot.s3{grid-area:s3}
.slot .card.new{animation:drop .3s ease-out both}
.slot.s0 .card.new{--dx:0px;--dy:70px}.slot.s2 .card.new{--dx:0px;--dy:-70px}.slot.s1 .card.new{--dx:70px;--dy:0px}.slot.s3 .card.new{--dx:-70px;--dy:0px}
.card.win{outline:3px solid var(--brass-hi);outline-offset:2px}
@keyframes drop{from{transform:translate(var(--dx),var(--dy)) scale(.9);opacity:.2}to{transform:none;opacity:1}}
@keyframes pulse{50%{opacity:.35}}
.upwrap{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;--cw:calc(var(--hw)*1.15)}
.upwrap .cap{font-size:.78rem;color:var(--felt-mute);max-width:16ch}
.status{grid-area:status;text-align:center;min-height:1.5em;font-size:.92rem;font-weight:600}
.actions{grid-area:actions;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:44px;align-items:center}
.fbtn{border:0;border-radius:999px;padding:9px 18px;font-weight:800;cursor:pointer;background:var(--brass-hi);color:#13271f;min-height:44px}
.felt .fbtn .r{color:#a3271d}
.fbtn.ghost{background:transparent;color:var(--felt-ink);box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.fbtn:hover{filter:brightness(1.06)}
.me{grid-area:me;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.me .nm{font-weight:800;font-size:.9rem}
.me .nm.turn::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brass-hi);margin-right:6px;animation:pulse 1s ease-in-out infinite}
.hand{display:flex;justify-content:center;padding-top:16px;--cw:var(--hw);max-width:100%}
.hand .card{cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
.hand .card+.card{margin-left:calc(var(--cw)*-.34)}
.hand .card.legal{transform:translateY(-8px);box-shadow:0 0 0 2px var(--brass-hi),0 5px 12px rgba(0,0,0,.35)}
.hand .card.dim{filter:brightness(.78) saturate(.7)}
.hand .card.hint{outline:4px solid var(--brass-hi);outline-offset:2px;transform:translateY(-18px)}
@media (hover:hover){.hand .card.legal:hover{transform:translateY(-16px)}}
.bubble{position:absolute;z-index:4;background:var(--card);color:var(--card-ink);font-weight:800;padding:6px 12px;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.35);font-size:.85rem}
.bubble.p0{left:50%;transform:translateX(-50%);bottom:calc(var(--hw)*1.4 + 74px)}
.bubble.p2{left:50%;transform:translateX(-50%);top:110px}
.bubble.p1{right:10px;top:38%}.bubble.p3{left:10px;top:38%}
.overlay[hidden]{display:none}
.overlay{position:absolute;inset:0;z-index:10;background:rgba(8,20,15,.8);display:grid;place-items:center;padding:14px;border-radius:20px;overflow:auto}
.sum{background:var(--surface);color:var(--ink);border-radius:16px;padding:20px;width:100%;max-width:460px;box-shadow:0 12px 40px rgba(0,0,0,.4);display:flex;flex-direction:column;gap:14px}
.sum .r{color:var(--suit-red)}
.sum h2{font-size:1.35rem}
.sum .sub{color:var(--muted);font-size:.9rem}
.sum table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.sum th,.sum td{padding:6px 4px;text-align:right;border-bottom:1px solid var(--line)}
.sum th:first-child,.sum td:first-child{text-align:left}
.sum thead th{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.sum tr.strong td{font-weight:800;font-size:1.05rem;border-bottom:0}
.btn{border:0;border-radius:12px;padding:10px 18px;font-weight:800;cursor:pointer;background:var(--accent);color:#fff;min-height:44px}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}
.btn:hover{filter:brightness(1.07)}

/* side */
.side{display:flex;flex-direction:column;gap:16px;min-width:0}
.slate{background:var(--slate);color:var(--chalk);border-radius:18px;padding:14px 18px 16px;border:6px solid var(--wood);font-family:"Caveat","Bricolage Grotesque",cursive}
.slate h3{font-family:inherit;font-size:1.5rem;font-weight:700;letter-spacing:.03em}
.scores{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2px}
.scores .lbl{font-size:1.25rem;opacity:.85}
.scores .n{font-size:2.9rem;line-height:1;font-weight:700;font-variant-numeric:tabular-nums}
.chalkbar{height:6px;background:rgba(232,238,228,.16);border-radius:3px;overflow:hidden;margin-top:8px}
.chalkbar i{display:block;height:100%;background:var(--chalk);border-radius:3px}
.goal{font-size:1.1rem;opacity:.7;margin-top:8px}
.hist{list-style:none;margin:10px 0 0;padding:8px 0 0;border-top:2px dashed rgba(232,238,228,.3);font-size:1.25rem;display:flex;flex-direction:column;gap:0}
.hist li{display:grid;grid-template-columns:4.5em 1.6em 1fr 1fr;gap:6px;font-variant-numeric:tabular-nums}
.hist li span:nth-child(3),.hist li span:nth-child(4){text-align:right}
.hist .r{color:#ff9f94}
.slate .newbtn{margin-top:10px;background:transparent;border:2px solid rgba(232,238,228,.45);color:var(--chalk);border-radius:10px;padding:2px 12px;font:inherit;font-size:1.15rem;cursor:pointer}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.panel h3{font-size:1.05rem}
.coachhead{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted);cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--accent)}
.coachbody{display:flex;flex-direction:column;gap:10px;font-size:.92rem}
.coachbody h4{font-size:.95rem}
.coachbody ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px}
.coachbody li.ok::before{content:"✓ ";color:var(--good);font-weight:800}
.coachbody li.no::before{content:"– ";color:var(--muted);font-weight:800}
.rule{font-weight:600}
.tiny{font-size:.82rem;color:var(--muted)}
.hintbox{background:var(--surface-2);border-radius:10px;padding:10px 12px}
.verdict{background:var(--surface-2);border-radius:10px;padding:10px 12px}
.muted{color:var(--muted)}
.logbox ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:3px;font-size:.85rem;color:var(--muted)}
.logbox li:first-child{color:var(--ink)}

/* rules */
.doc{max-width:760px;display:flex;flex-direction:column;gap:28px;margin-inline:auto}
.doc section{display:flex;flex-direction:column;gap:10px}
.doc h2{font-size:1.5rem}
.doc h3{font-size:1.05rem;margin-top:6px}
.doc p,.doc li{max-width:68ch}
.doc ul,.doc ol{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:6px}
.lead{font-size:1.1rem;color:var(--muted)}
.rankrow{display:flex;flex-wrap:wrap;gap:8px 6px;--cw:40px}
.rk{display:flex;flex-direction:column;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.rk .pt{font-weight:800;font-size:.9rem}
.rk .card{box-shadow:0 1px 4px rgba(0,0,0,.25)}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.dl dt{font-weight:800}
.dl dd{margin:0}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.tbl{overflow-x:auto}
.tbl table{border-collapse:collapse;min-width:420px;width:100%;font-variant-numeric:tabular-nums}
.tbl th,.tbl td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

/* quiz */
.quiz{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:16px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 14px;border-radius:999px;font-weight:600;cursor:pointer;min-height:40px}
.seg button[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.qtop{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-weight:700}
.qtable{background:radial-gradient(120% 90% at 50% 38%,var(--felt) 0,var(--felt-2) 100%);border:6px solid var(--wood);border-radius:22px;padding:18px 14px;display:flex;flex-direction:column;gap:14px;color:var(--felt-ink)}
.qtable .r{color:#ff9f94}
.qrow{display:flex;flex-wrap:wrap;gap:14px 10px;justify-content:center;--cw:clamp(50px,14vw,72px)}
.qrow figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.78rem;text-align:center}
.qrow .card{cursor:pointer}
.qrow .card.static{cursor:default}
.qrow .card.sel{transform:translateY(-8px);box-shadow:0 0 0 3px var(--brass-hi),0 6px 14px rgba(0,0,0,.35)}
.qrow .card.good{outline:4px solid #6fd39c;outline-offset:2px}
.qrow .card.bad{outline:4px solid #ff8b7e;outline-offset:2px}
.qrow .card.miss{outline:4px dashed #6fd39c;outline-offset:2px}
.qcap{font-weight:700;text-align:center}
.qfeed{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.qfeed .res{font-weight:800;font-size:1.05rem}
.qfeed .res.ok{color:var(--good)}.qfeed .res.ko{color:var(--bad)}
.qbtns{display:flex;flex-wrap:wrap;gap:8px}

@media (min-width:920px){
  .play{grid-template-columns:minmax(0,1fr) 330px;align-items:start}
  .felt{--hw:clamp(56px,6.2vw,84px);padding:16px 18px 22px}
  .rankrow{--cw:52px}
}
@media (prefers-reduced-motion:reduce){
  .slot .card.new{animation:none}.seat .nm.turn::before,.me .nm.turn::before{animation:none}
  .hand .card{transition:none}
}