/* Slam. Paper, ink, and one green felt. The table is the interface:
   it teaches, it deals, it keeps score. Everything around it stays quiet. */
:root{
  --paper:#f3eadb; --paper-2:#ebe0cd; --card:#fbf6ec; --line:#e3d6bf; --line-2:#d2c3a6;
  --ink:#1f1a14; --ink-2:#5f5548; --ink-3:#8f8474;
  --felt:#2a5c43; --felt-2:#1f4a35; --felt-3:#3a7256; --madder:#b8412e; --brass:#c9a15b;
  --sans:'Onest',system-ui,sans-serif; --head:'Bricolage Grotesque',sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace; --serif:'Fraunces',Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1); --spring:cubic-bezier(.34,1.3,.5,1);
  --cw:64px; /* card width; height = 1.4w */
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:400 16px/1.5 var(--sans);min-height:100svh;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .28 0 0 0 0 .2 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E")}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit}
button:focus-visible,a:focus-visible{outline:2px solid var(--felt);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.k{font:500 10.5px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);text-decoration:none}
.s.red,.red{color:var(--madder)}
.sym{font-family:var(--sans)}
.pip{width:1em;height:1em;fill:currentColor;vertical-align:-.12em}

.screen{min-height:100svh;padding:max(env(safe-area-inset-top),14px) clamp(16px,3.2vw,48px) max(env(safe-area-inset-bottom),22px)}
.screen:not(.is-on){display:none}
.wrap{max-width:720px;margin:0 auto}
.bar{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:12px}
.bar .k{white-space:nowrap}
.bar .k{padding:8px 0}
.bar .back{display:inline-flex;align-items:center;gap:8px}

/* ---------- home ---------- */
.stage{position:relative;margin:14px calc(50% - 50vw) 0;height:clamp(380px,46vw,620px);overflow:hidden;background:#ece2cf;isolation:isolate}
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 48%}
.stage-lamp{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 40% 50% at 50% 50%,rgba(255,220,160,.16),transparent 70%);mix-blend-mode:screen;animation:lamp 7s ease-in-out infinite}
.stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(243,234,219,.55) 0,rgba(243,234,219,0) 18%,rgba(243,234,219,0) 72%,var(--paper) 100%)}
.stage-word{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;z-index:2;color:#f3eadb;text-shadow:0 2px 28px rgba(0,0,0,.45),0 0 2px rgba(0,0,0,.4)}
.stage-word h1{font:800 clamp(64px,10.5vw,148px)/.84 var(--head);letter-spacing:-.06em;display:flex;flex-direction:column}
.stage-word h1 span{display:block;animation:rise 1.1s var(--ease) both}
.stage-word h1 span:nth-child(2){animation-delay:.12s}
.stage-word p{font:300 clamp(16px,2.2vw,24px)/1.3 var(--head);margin-top:16px;opacity:0;animation:rise 1s var(--ease) .45s both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.stage-replay{position:absolute;right:max(16px,calc(50vw - 360px));bottom:18%;z-index:3;color:#f3eadb;background:rgba(0,0,0,.28);padding:9px 13px;border-radius:99px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(243,234,219,.25);transition:background .2s}
.stage-replay:hover{background:rgba(0,0,0,.45)}
.stage-fade{height:0}
.hero{display:none}
.hero-art{display:none}
.next{display:flex;align-items:center;gap:14px;width:min(100%,720px);margin:-54px auto 0;position:relative;z-index:3;text-align:left;padding:12px 14px 12px 14px;border-radius:22px;background:rgba(24,19,15,.86);color:var(--paper);border:1px solid rgba(243,234,219,.14);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 30px 50px -28px rgba(0,0,0,.8);transition:transform .3s var(--ease)}
.next:hover{transform:translateY(-2px)}
.next .k{color:#9fd3b6}
.next b{font:500 20px/1.1 var(--head);letter-spacing:-.015em;display:block;margin-top:3px}
.next span.sub{font-size:13.5px;color:rgba(243,234,219,.72);display:block;margin-top:3px}
.next .go{margin-left:auto;width:44px;height:44px;border-radius:50%;background:var(--felt-3);color:var(--paper);display:grid;place-items:center;font-size:15px;flex:0 0 auto}
.next .ring{width:62px;height:62px;flex:0 0 auto}
.appbar{position:sticky;top:10px;z-index:20;display:flex;align-items:center;gap:12px;padding:8px 10px 8px 12px;border-radius:99px;background:rgba(251,246,236,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line-2);box-shadow:0 1px 0 #fff inset,0 12px 30px -20px rgba(31,26,20,.55)}
.appbar .mark{width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 50% 40%,var(--felt-3),var(--felt) 60%,var(--felt-2));box-shadow:inset 0 0 0 1.5px #1a3d2b,inset 0 0 0 2.5px #c9a15b66;display:grid;place-items:center;color:var(--paper);font:800 15px/1 var(--head)}
.appbar b{font:700 16px/1 var(--head);letter-spacing:-.02em}
.appbar nav{margin-left:auto;display:flex;gap:2px}
.appbar nav a{padding:8px 13px;border-radius:99px;font:500 13.5px/1 var(--sans);color:var(--ink-2);text-decoration:none;transition:background .2s,color .2s}
.appbar nav a:hover{background:var(--ink);color:var(--paper)}
.sec{display:flex;justify-content:space-between;align-items:baseline;margin:34px 0 12px;padding-bottom:10px;border-bottom:1px solid var(--line-2)}
.sec h2{font:600 24px/1 var(--head);letter-spacing:-.025em}
.progress{height:4px;border-radius:2px;background:var(--line);margin:-2px 0 16px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--felt);border-radius:2px;transition:width .6s var(--ease)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid.chapters{grid-template-columns:repeat(3,minmax(0,1fr))}
.tile{text-decoration:none;display:flex;flex-direction:column;gap:7px;text-align:left;padding:16px 16px 14px;border-radius:20px;background:linear-gradient(180deg,#fdf9f1,#f9f2e4);border:1px solid #d9cbae;box-shadow:0 1px 0 #fff inset,0 2px 4px rgba(31,26,20,.05),0 18px 34px -26px rgba(31,26,20,.5);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;position:relative;min-height:150px}
.tile:hover{transform:translateY(-4px);border-color:#bfae8c;box-shadow:0 1px 0 #fff inset,0 4px 8px rgba(31,26,20,.06),0 28px 44px -26px rgba(31,26,20,.55)}
.tile .num{align-self:flex-start;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font:700 12px/1 var(--head);letter-spacing:0}
.tile b{font:600 18px/1.15 var(--head);letter-spacing:-.015em;margin-top:auto}
.tile .meta{font-size:13.5px;line-height:1.4;color:var(--ink-2)}
.tile .foot{display:flex;gap:10px;margin-top:6px;white-space:nowrap;font:500 10.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.tile.done{background:linear-gradient(180deg,#eff5f0,#e7efe8);border-color:#b9cfc0}
.tile.done .num{background:var(--felt)}
.tile .tick{position:absolute;right:14px;top:14px;width:24px;height:24px;border-radius:50%;background:var(--felt);color:var(--paper);display:grid;place-items:center;font-size:12px;box-shadow:0 4px 10px -4px rgba(42,92,67,.6)}
.tile.dark{background:linear-gradient(180deg,#30664c,#234d39);color:var(--paper);border-color:#1b3d2c;box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 22px 40px -24px rgba(27,61,44,.9)}
.tile.dark .num{background:rgba(0,0,0,.3);color:#cfe6d8}.tile.dark .meta{color:rgba(243,234,219,.78)}
.tile .art{position:absolute;right:12px;bottom:12px;display:flex}
.tile:has(.art){padding-right:84px}
.tile .art .card{width:36px;margin-left:-14px;transform:rotate(9deg);box-shadow:-2px 2px 6px rgba(0,0,0,.2)}
.tile .art .card:first-child{transform:rotate(-7deg)}
.tile.wide .num{width:auto;border-radius:99px;padding:0 10px;font:600 10.5px var(--mono);letter-spacing:.14em}
.legal{margin:32px 0 6px;font:500 10.5px/1.6 var(--mono);color:var(--ink-3)}
.rank{display:flex;align-items:center;gap:10px;margin:12px auto 0;width:min(100%,720px);color:var(--ink-2);font-size:14px}
.rank i{width:8px;height:8px;border-radius:50%;background:var(--felt);display:inline-block}

/* ---------- cards ---------- */
.card{width:var(--cw);aspect-ratio:5/7;border-radius:9%/6.4%;background:var(--card);border:1px solid #cdbf9f;box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 4px 10px -6px rgba(31,26,20,.5);position:relative;color:var(--ink);user-select:none;flex:0 0 auto;overflow:hidden}
.card svg{position:absolute;inset:0;width:100%;height:100%;fill:currentColor}
.card.red{color:var(--madder)}
.card .rk{font:600 46px/1 var(--serif);letter-spacing:-.04em;fill:currentColor}
.card .rk.ten{font-size:40px;letter-spacing:-.08em}
.card .court{font:600 128px/1 var(--serif);fill:currentColor;opacity:.92}
.card .frame{fill:none;stroke:currentColor;stroke-width:1.6;opacity:.75}
.card .frame.thin{stroke-width:.8;opacity:.5}
.card.back{background:#3b2a7a url(img/back.jpg) center/cover no-repeat;border-color:#2a1d5c}
.card.back .weave{position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.1),transparent 40%,rgba(0,0,0,.12))}
.card.small{--cw:44px}
.card.sel{outline:3px solid var(--brass);outline-offset:1px}
.card.hint{box-shadow:0 0 0 3px var(--felt),0 10px 20px -10px rgba(31,26,20,.6)}
.card.dim{opacity:.62;filter:saturate(.25) brightness(.9);pointer-events:none}
.hand.dummy .card.dim,.yours .card.dim{pointer-events:auto}
.card.wrong{animation:shake .5s var(--ease)}
@keyframes shake{20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}}

/* ---------- the table ---------- */
#play .wrap{height:100svh;display:flex;flex-direction:column;min-height:0}
#play .table{flex:1;min-height:0}
.table{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
.stagewrap{position:relative;min-width:0}
#play .stagewrap{height:100%;min-height:0;display:flex;flex-direction:column;align-items:center;--handh:calc(var(--cw)*1.4 + 26px)}
#play .table-root{width:100%;display:flex;flex-direction:column;align-items:center}
#play .table-root .yours{width:min(100%,calc(100svh - 70px - var(--handh)))}
#play .felt{width:min(100%,calc(100svh - 70px - var(--handh)));flex:0 0 auto}
#play .rail{height:100%;min-height:0;overflow:auto;scrollbar-width:thin;padding-bottom:8px}
.felt{position:relative;width:100%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 50% 42%,var(--felt-3) 0,var(--felt) 48%,var(--felt-2) 100%);box-shadow:inset 0 0 0 10px #1a3d2b,inset 0 0 0 12px #c9a15b55,0 30px 60px -40px rgba(0,0,0,.6);overflow:visible}
.felt::after{content:"";position:absolute;inset:0;border-radius:50%;opacity:.35;mix-blend-mode:soft-light;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='1.1' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");pointer-events:none}
.seat{position:absolute;display:flex;flex-direction:column;align-items:center;gap:6px;z-index:2}
.seat.N{top:5%;left:50%;transform:translateX(-50%)}
.seat.S{bottom:5%;left:50%;transform:translateX(-50%)}
.seat.E{right:4%;top:50%;transform:translateY(-50%)}
.seat.W{left:4%;top:50%;transform:translateY(-50%)}
.seat .who .av{width:22px;height:22px;border-radius:50%;object-fit:cover;margin:-3px 0 -3px -4px;border:1.5px solid rgba(243,234,219,.6)}
.seat .who{display:flex;align-items:center;gap:6px;font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:rgba(243,234,219,.78);padding:5px 9px;border-radius:99px;background:rgba(0,0,0,.22)}
.seat .who b{font:600 10.5px var(--mono);color:#f3eadb}
.seat .who .dot{width:7px;height:7px;border-radius:50%;background:transparent;transition:background .3s}
.seat.turn .who .dot{background:var(--brass);box-shadow:0 0 0 4px rgba(201,161,91,.25);animation:pulse 1.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(201,161,91,.1)}}
.seat.E .who,.seat.W .who{writing-mode:vertical-rl;letter-spacing:.14em}
.seat.W .who{transform:rotate(180deg)}
.hand{display:flex;position:relative}
.hand.fan .card{margin-left:calc(var(--cw)*-.58)}
.seat.N .hand.fan .card.back{margin-left:calc(var(--cw)*-.72)}
.hand.fan .card:first-child{margin-left:0}
.hand.stack{flex-direction:column}
.hand.stack .card{margin-top:calc(var(--cw)*-1.22)}
.hand.stack .card:first-child{margin-top:0}
.hand.side{flex-direction:column}
.hand.side .card{width:calc(var(--cw)*.78);margin-top:calc(var(--cw)*-1.0);box-shadow:0 1px 2px rgba(0,0,0,.35)}
.hand.side .card:first-child{margin-top:0}
.hand.dummy{display:grid;grid-auto-flow:column;gap:6px;align-items:start}
.hand.dummy .col{display:flex;flex-direction:column}
.hand.dummy .col .card{margin-top:calc(var(--cw)*-1.08);width:calc(var(--cw)*.78)}
.hand.dummy .col .card:first-child{margin-top:0}
.hand.dummy.big{gap:8px}
.hand.dummy.big .col .card{width:var(--cw);margin-top:calc(var(--cw)*-1.0)}
.hand.dummy.big .col .card:first-child{margin-top:0}
.hand.dummy.big .col{padding-right:10px}
.hand.dummy.big .col .card{cursor:default}
.hand.dummy.big .col .card.playable{cursor:pointer;transform:translateX(6px)}
.hand.dummy.big .col .card.playable:hover{transform:translateX(12px);z-index:3}
.hand.dummy.big .col .card.playable{box-shadow:0 0 0 1.5px rgba(243,234,219,.55),0 6px 14px -8px rgba(0,0,0,.6)}
.hand .card.playable{cursor:pointer;transition:transform .22s var(--spring),box-shadow .22s}
.hand .card.playable:hover{transform:translateY(-10px);box-shadow:0 12px 20px -10px rgba(31,26,20,.6);z-index:3}
.count{position:absolute;font:600 11px/1 var(--mono);color:#f3eadb;background:rgba(0,0,0,.3);padding:5px 7px;border-radius:99px}
.trick{position:absolute;left:50%;top:50%;width:calc(var(--cw)*3.4);height:calc(var(--cw)*3.4);transform:translate(-50%,-50%);z-index:3}
.trick .card{position:absolute;left:50%;top:50%;--fx:0;--fy:0;animation:fly .5s var(--ease) both}
.trick .card.N{transform:translate(-50%,-108%) rotate(-3deg)} .trick .card.S{transform:translate(-50%,8%) rotate(3deg)} .trick .card.E{transform:translate(8%,-50%) rotate(7deg)} .trick .card.W{transform:translate(-108%,-50%) rotate(-7deg)}
.trick .card.settled{animation:none}
@keyframes fly{from{opacity:.4;translate:var(--fx) var(--fy);scale:.92}}
.trick.sweep .card{transition:translate .55s var(--ease),opacity .4s .25s;translate:var(--wx) var(--wy);opacity:0}
.tally{position:absolute;z-index:2;display:flex;flex-direction:column;align-items:center;gap:3px;color:#f3eadb;font:600 11px/1 var(--mono);letter-spacing:.1em}
.tally.ns{left:50%;top:50%;transform:translate(calc(-50% - var(--cw)*2.4),calc(-50% + var(--cw)*1.5))}
.tally.ew{left:50%;top:50%;transform:translate(calc(-50% + var(--cw)*2.4),calc(-50% + var(--cw)*1.5))}
.tally .stack{display:flex}
.tally .stack i{width:14px;height:20px;border-radius:3px;background:var(--card);border:1px solid #cdbf9f;margin-left:-8px;transform:rotate(90deg);box-shadow:0 1px 2px rgba(0,0,0,.3)}
.tally .stack i:first-child{margin-left:0}
.tally span{opacity:.75;font-size:10px}
.tally b{font:700 16px/1 var(--head)}
.centre{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;color:rgba(243,234,219,.9);z-index:1;pointer-events:none;max-width:60%}
.centre .k{color:rgba(243,234,219,.7)}
.centre b{display:block;font:600 clamp(22px,4vw,30px)/1.05 var(--head);letter-spacing:-.02em;margin-top:6px}
.centre p{font-size:13px;margin-top:6px;opacity:.85}
.contract-chip{position:absolute;left:50%;bottom:14%;transform:translateX(-50%);z-index:2;color:#f3eadb;font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;background:rgba(0,0,0,.25);padding:6px 10px;border-radius:99px;white-space:nowrap}
.contract-chip b{font:700 13px var(--head);letter-spacing:0;text-transform:none;margin-left:4px}

/* the dummy I play, fanned across the top of the felt */
.seat.N .hand.topfan{position:relative;display:block;margin-top:2px}
.felt .seat.N .hand.topfan .card{position:absolute;left:var(--x,0px);top:0;margin:0!important;transition:transform .2s var(--spring);box-shadow:-3px 0 6px -4px rgba(0,0,0,.4),0 6px 12px -8px rgba(0,0,0,.6)}
.seat.N .hand.topfan .card.playable{cursor:pointer;transform:translateY(6px);box-shadow:0 0 0 2px rgba(243,234,219,.9),0 10px 18px -8px rgba(0,0,0,.7)}
.seat.N .hand.topfan .card.playable:hover{transform:translateY(10px);z-index:40!important}
.seat.N .hand.topfan .card.hint{transform:translateY(8px)}

/* your hand under the felt */
.yours{display:block;width:100%;margin-top:-4%;position:relative;z-index:4;min-height:calc(var(--cw)*1.4 + 14px);padding-top:14px}
.yours .hand.fan{position:relative;width:100%;height:calc(var(--cw)*1.4 + 10px)}
.yours .hand.fan .card{position:absolute;left:var(--x,0px);top:0;margin:0}
.yours .hand.fan .card:first-child{margin-left:0}
.yours .card{transform-origin:50% 120%}
.yours .card.playable{cursor:pointer}
.yours .card.playable:hover,.yours .card.playable:focus-visible{transform:translateY(-14px)}
.yours .card.dim{cursor:default}

/* the rail */
.rail{display:flex;flex-direction:column;gap:12px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:14px 16px}
.panel h3{font:500 15px/1.2 var(--head);letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:center}
.panel .k{display:block;margin-bottom:8px}
.auction{display:grid;grid-template-columns:repeat(4,1fr);gap:4px 6px;margin-top:8px}
.auction .h{font:500 10px/1 var(--mono);letter-spacing:.16em;color:var(--ink-3);text-align:center;padding-bottom:4px;border-bottom:1px solid var(--line)}
.auction .h.you{color:var(--felt)}
.auction .c{text-align:center;padding:5px 0;border-radius:8px;font:600 14px/1 var(--head);cursor:default;min-height:26px}
.auction .c:hover{background:var(--paper-2)}
.auction .c.on{background:var(--ink);color:var(--paper)}
.auction .c .bid small{font-size:10px;margin-left:1px}
.auction .c .pass{color:var(--ink-3);font-weight:500}
.auction .c .dbl,.auction .c .rdbl{color:var(--madder)}
.meaning{margin-top:10px;padding:10px 12px;border-radius:14px;background:var(--paper-2);font-size:13.5px;line-height:1.4;color:var(--ink-2);min-height:48px}
.meaning b{color:var(--ink);font-weight:600}
.meaning .k{display:inline;margin:0 6px 0 0}

/* bidding box */
.bidbox{margin-top:10px}
.bidbox .levels{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}
.bidbox .b{padding:9px 0;border-radius:10px;background:var(--paper);border:1px solid var(--line);font:600 15px/1 var(--head);display:flex;justify-content:center;align-items:center;gap:1px;transition:transform .15s var(--spring),background .2s}
.bidbox .b small{font-size:10px;font-weight:600}
.bidbox .b:not(:disabled):hover{transform:translateY(-2px);background:var(--card)}
.bidbox .b:disabled{opacity:.22;cursor:default}
.bidbox .b.sug{box-shadow:0 0 0 2px var(--felt);background:#e6f0e9}
.bidbox .row{display:grid;grid-template-columns:2fr 1fr 1fr;gap:5px;margin-top:6px}
.bidbox .row .b{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.bidbox .row .b.x{background:var(--paper);color:var(--madder);border-color:var(--line)}
.bidbox .row .b.sug{box-shadow:0 0 0 2px var(--felt)}
.bidbox .lvl{display:flex;gap:5px;margin-bottom:6px}
.bidbox .lvl button{flex:1;padding:7px 0;border-radius:99px;border:1px solid var(--line);font:600 13px var(--mono);color:var(--ink-2)}
.bidbox .lvl button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.bidbox .lvl button:disabled{opacity:.25}

/* kibitzer */
.kib{background:var(--ink);color:var(--paper);border-radius:22px;padding:14px 16px;position:relative}
.kib .k{color:#9fd3b6}
.kib p{font-size:14.5px;line-height:1.45;margin-top:6px;min-height:40px}
.kib p b{color:#f3eadb}
.kib .tog.snd{right:64px}
.kib .tog{position:absolute;right:12px;top:10px;font:500 10.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:rgba(243,234,219,.7);padding:6px 10px;border-radius:99px;border:1px solid rgba(243,234,219,.25)}
.kib .tog[aria-pressed="true"]{background:var(--felt-3);color:#fff;border-color:transparent}
.kib .acts{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.kib .acts button{padding:8px 12px;border-radius:99px;border:1px solid rgba(243,234,219,.25);font-size:13px}
.kib .acts button.primary{background:var(--paper);color:var(--ink);border-color:transparent;font-weight:600}
.scorecard{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.scorecard div{padding:10px 12px;border-radius:14px;background:var(--paper-2)}
.scorecard .k{margin:0 0 4px}
.scorecard b{font:600 20px/1 var(--head)}
.thinking{display:inline-flex;gap:3px;vertical-align:middle;margin-left:6px}
.thinking i{width:4px;height:4px;border-radius:50%;background:currentColor;animation:th 1s infinite}
.thinking i:nth-child(2){animation-delay:.15s}.thinking i:nth-child(3){animation-delay:.3s}
@keyframes th{50%{opacity:.2}}

/* ---------- lesson ---------- */
.lesson-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.lesson-top .k{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.lesson-top .back{flex:0 0 auto}
.dots{display:flex;gap:4px;margin-left:auto}
.dots i{width:14px;height:4px;border-radius:2px;background:var(--line-2)}
.dots i.on{background:var(--felt)}
.dots i.done{background:var(--ink-3)}
.lesson{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.lesson .stagewrap{position:sticky;top:12px}
.lesson .felt{max-width:560px;margin:0 auto}
.lesson .yours{max-width:560px;margin-left:auto;margin-right:auto}
.prose{padding-top:6px}
.prose .k{display:block;margin-bottom:10px;color:var(--felt)}
.prose h2{font:600 clamp(26px,3.4vw,34px)/1.05 var(--head);letter-spacing:-.03em;text-wrap:balance}
.prose p{font-size:16.5px;line-height:1.5;color:var(--ink-2);margin-top:12px}
.prose p b{color:var(--ink);font-weight:600}
.prose .bidtxt{font:600 15px var(--head)}
.choices{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.choices button{text-align:left;padding:12px 14px;border-radius:16px;background:var(--card);border:1px solid var(--line);font-size:15px;transition:transform .2s var(--spring)}
.choices button:hover{transform:translateX(3px)}
.choices button.right{background:#e6f0e9;border-color:var(--felt)}
.choices button.wrong{background:var(--paper-2);opacity:.75}
.choices button .bid{font:600 16px var(--head)}
.feedback{margin-top:14px;padding:12px 14px;border-radius:16px;background:var(--paper-2);font-size:14.5px;line-height:1.45;color:var(--ink-2);border-left:0}
.feedback.good{background:#e6f0e9;color:#214b36}
.feedback b{font-weight:600}
.acts{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.btn{padding:13px 20px;border-radius:99px;border:1px solid var(--line);background:var(--card);font:500 15px/1 var(--sans);transition:transform .2s var(--spring)}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.green{background:var(--felt);color:var(--paper);border-color:var(--felt)}
.btn:disabled{opacity:.4;transform:none;cursor:default}
.counter{display:flex;align-items:baseline;gap:10px;margin-top:14px}
.counter b{font:700 44px/1 var(--head);letter-spacing:-.03em;color:var(--felt)}
.counter span{color:var(--ink-2);font-size:14px}
.ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;margin-top:12px}
.ladder .l{padding:6px 0;text-align:center;border-radius:8px;background:var(--card);border:1px solid var(--line);font:600 13px var(--head)}
.ladder .l.hi{background:var(--felt);color:var(--paper);border-color:var(--felt)}
.ladder .l small{font-size:9px}
.scoretool{margin-top:12px;display:grid;gap:10px}
.scoretool .row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.scoretool .row .k{width:70px}
.scoretool .pill{padding:7px 11px;border-radius:99px;border:1px solid var(--line);background:var(--card);font:600 13px var(--head)}
.scoretool .pill.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.scoretool .out{font:700 40px/1 var(--head);color:var(--felt);letter-spacing:-.03em}
.scoretool .out small{display:block;font:500 12px var(--mono);color:var(--ink-2);margin-top:6px;letter-spacing:.06em}

/* ---------- lobby & persona ---------- */
.persona{display:grid;gap:14px;margin-top:14px}
.persona input[type=text]{font:500 18px var(--head);padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--ink);width:100%}
.avatars{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.avatars button{aspect-ratio:1;border-radius:50%;overflow:hidden;border:3px solid transparent;background:var(--paper-2);position:relative;transition:transform .2s var(--spring)}
.avatars button img{width:100%;height:100%;object-fit:cover;display:block}
.avatars button.on{border-color:var(--felt);transform:scale(1.06)}
.avatars button.up{display:grid;place-items:center;font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);border:1.5px dashed var(--line-2)}
.lobby{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.lobby .felt{max-width:520px;margin:0 auto}
.lobby .seatbtn{position:absolute;z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;color:#f3eadb;font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:8px;border-radius:16px;transition:background .2s}
.lobby .seatbtn:hover{background:rgba(0,0,0,.2)}
.lobby .seatbtn.N{top:8%;left:50%;transform:translateX(-50%)} .lobby .seatbtn.S{bottom:8%;left:50%;transform:translateX(-50%)} .lobby .seatbtn.E{right:6%;top:50%;transform:translateY(-50%)} .lobby .seatbtn.W{left:6%;top:50%;transform:translateY(-50%)}
.lobby .seatbtn .av{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid rgba(243,234,219,.7);box-shadow:0 8px 20px -8px rgba(0,0,0,.6)}
.lobby .seatbtn .av.empty{display:grid;place-items:center;background:rgba(0,0,0,.25);border-style:dashed;font-size:20px}
.lobby .seatbtn .av.robot{background:var(--ink);display:grid;place-items:center;font:700 18px var(--head);color:var(--paper)}
.lobby .seatbtn b{font:600 13px var(--head);letter-spacing:0;text-transform:none;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lobby .seatbtn .on{width:7px;height:7px;border-radius:50%;background:#9fd3b6}
.lobby .seatbtn .off{width:7px;height:7px;border-radius:50%;background:rgba(243,234,219,.3)}
.share{display:flex;gap:8px;margin-top:8px}
.share input{flex:1;font:500 13px var(--mono);padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink);min-width:0}
.plist{display:grid;gap:6px;margin-top:10px}
.plist div{display:flex;align-items:center;gap:10px;font-size:14px}
.plist img{width:28px;height:28px;border-radius:50%;object-fit:cover}
.plist .k{margin:0 0 0 auto}
.code{font:800 44px/1 var(--head);letter-spacing:.08em;margin-top:4px}
@media (max-width:899px){.lobby{grid-template-columns:1fr}.avatars{grid-template-columns:repeat(5,1fr)}.lobby .seatbtn .av{width:46px;height:46px}}

/* ---------- the opening ---------- */
#splash{position:fixed;inset:0;z-index:100;background:#ece2cf;display:grid;place-items:center;overflow:hidden}
#splash video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
#splash .splash-word{position:relative;z-index:2;text-align:center;color:#f3eadb;opacity:0;transform:translateY(10px) scale(.98);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease);text-shadow:0 2px 30px rgba(0,0,0,.35)}
#splash.word .splash-word{opacity:1;transform:none}
#splash .splash-word h1{font:800 clamp(64px,11vw,150px)/.84 var(--head);letter-spacing:-.06em}
#splash .splash-word p{font:300 clamp(16px,2.4vw,24px)/1.3 var(--head);margin-top:18px;opacity:.9}
#splash .splash-skip{position:absolute;right:max(env(safe-area-inset-right),18px);top:max(env(safe-area-inset-top),16px);z-index:3;font:500 11px var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#1f1a14;background:rgba(243,234,219,.8);padding:10px 14px;border-radius:99px;backdrop-filter:blur(8px)}
#splash .splash-enter{position:absolute;left:50%;bottom:max(env(safe-area-inset-bottom),40px);transform:translate(-50%,12px);z-index:3;opacity:0;pointer-events:none;transition:opacity .8s var(--ease),transform .8s var(--ease);font:600 16px var(--sans);color:var(--ink);background:var(--paper);padding:14px 24px;border-radius:99px;box-shadow:0 18px 40px -16px rgba(0,0,0,.5)}
#splash.word .splash-enter{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
#splash.out{transition:opacity .7s var(--ease);opacity:0;pointer-events:none}
@media (max-width:899px){#splash video{object-position:50% 50%}}

/* kibitzer's notes on the review */
.kib.notes{margin-top:14px}
.kib.notes h4{font:600 15px/1.2 var(--head);color:#9fd3b6;margin:14px 0 4px;letter-spacing:-.01em}
.kib.notes h4:first-of-type{margin-top:8px}
.kib.notes p{font-size:15px;line-height:1.5;margin-top:6px;min-height:0}
.kib.notes ol{margin:6px 0 0 20px;font-size:15px;line-height:1.5}
.kib.notes li{margin-top:4px;padding-left:4px}

/* ---------- review ---------- */
.review h2{font:700 clamp(36px,7vw,54px)/.95 var(--head);letter-spacing:-.045em;margin-top:14px}
.review .big{display:flex;gap:18px;align-items:baseline;flex-wrap:wrap;margin-top:10px}
.review .big b{font:700 clamp(40px,8vw,64px)/1 var(--head);letter-spacing:-.04em}
.review .big span{color:var(--ink-2)}
.story{margin-top:18px;display:grid;gap:8px}
.story .t{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;padding:10px 12px;border-radius:14px;background:var(--card);border:1px solid var(--line);font-size:14px}
.story .t .n{font:600 11px var(--mono);color:var(--ink-3);padding-top:3px}
.story .t .cards{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.story .t .cards .mini{font:600 13px var(--head);padding:3px 6px;border-radius:6px;background:var(--paper-2)}
.story .t .cards .mini.win{background:var(--felt);color:var(--paper)}
.story .t .why{color:var(--ink-2);margin-top:3px}
.allhands{display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-areas:". n ." "w . e" ". s .";gap:8px;margin-top:16px;font:500 13px/1.5 var(--mono)}
.allhands div{padding:8px 10px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.allhands .n{grid-area:n}.allhands .e{grid-area:e}.allhands .s{grid-area:s}.allhands .w{grid-area:w}
.allhands .k{display:block;margin-bottom:4px}

/* about */
.about p{margin-top:12px;color:var(--ink-2);font-size:16px}
.about h2{font:700 44px/.95 var(--head);letter-spacing:-.045em;margin-top:18px}

/* ---------- phone ---------- */
@media (max-width:899px){
  :root{--cw:50px}
  .bar .k{font-size:9.5px;letter-spacing:.14em}
  #quitBtn{display:none}
  .table{grid-template-columns:minmax(0,1fr);gap:10px}
  .stagewrap{min-width:0}
  .felt{width:min(100%,92svw);margin:0 auto}
  #play .wrap{height:auto;min-height:100svh}
  #play .stagewrap{height:auto}
  #play .felt{width:min(92svw,calc(100svh - 300px));min-width:260px}
  #play .rail{height:auto;overflow:visible}
  .seat .who .av{width:18px;height:18px}
  .yours{margin-top:-6%}
  .rail{order:3}
  .lesson{grid-template-columns:1fr;gap:14px}
  .lesson .stagewrap{position:static}
  .stage{height:clamp(300px,78vw,420px);margin-top:10px}
  .stage video{object-position:50% 50%}
  .stage-word h1{font-size:clamp(56px,17vw,80px)}
  .stage-replay{right:12px;bottom:auto;top:12px}
  .next{margin-top:-40px}
  .grid.chapters{grid-template-columns:1fr}
  #playGrid{grid-template-columns:1fr}
  #playGrid .tile{min-height:0}
  .grid.chapters .tile{min-height:0;padding:14px 16px}
  .appbar nav a{padding:8px 10px;font-size:13px}
  .seat.E,.seat.W{display:none}
  .seat.E.isdummy,.seat.W.isdummy{display:flex;--cw:36px}
  .seat.E.isdummy .who,.seat.W.isdummy .who{writing-mode:horizontal-tb;transform:none}
  .seat.N .hand.fan .card{margin-left:calc(var(--cw)*-.66)}
  .hand.dummy.big .col .card{width:calc(var(--cw)*.9);margin-top:calc(var(--cw)*-.92)}
  .sheet{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--card);border-radius:24px 24px 0 0;padding:14px 16px max(env(safe-area-inset-bottom),16px);box-shadow:0 -20px 50px rgba(31,26,20,.25);transform:translateY(110%);transition:transform .4s var(--spring)}
  .sheet:not(.on){visibility:hidden}
  .sheet.on{transform:none}
  .sheet .handle{width:40px;height:4px;border-radius:2px;background:var(--line-2);margin:0 auto 10px}
  .kib p{min-height:0}
  .allhands{font-size:11.5px}
}
/* ---------- the theatre: the desktop play screen on a dark table surround ---------- */
@media (min-width:900px){
  #play{background:#17120e url(img/backdrop.jpg) center/cover no-repeat;color:var(--paper);position:relative;isolation:isolate}
  #play::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 46% 58% at 36% 44%,rgba(255,214,150,.22),rgba(255,200,120,.06) 45%,transparent 70%);animation:lamp 7s ease-in-out infinite;mix-blend-mode:screen}
  #play .wrap{position:relative;z-index:1}
  @keyframes lamp{0%,100%{opacity:.85}50%{opacity:1}}
  #play .felt::before{content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;background:radial-gradient(circle at 42% 30%,rgba(255,255,255,.14),transparent 46%);animation:sheen 14s ease-in-out infinite alternate}
  @keyframes sheen{from{transform:translate(-3%,-2%)}to{transform:translate(3%,2%)}}
  #play .trick .card{animation:land .55s cubic-bezier(.2,.9,.3,1.2) both}
  @keyframes land{0%{opacity:.3;translate:var(--fx) var(--fy);scale:.9;filter:brightness(1.15)}70%{scale:1.04}100%{scale:1}}
  #play .trick.sweep .card{filter:brightness(1.3) drop-shadow(0 0 12px rgba(201,161,91,.55))}
  #play .tally b{text-shadow:0 0 12px rgba(201,161,91,.0);transition:text-shadow .4s}
  #play .tally.pulse b{text-shadow:0 0 14px rgba(201,161,91,.9)}
  #play .bar .k{color:rgba(243,234,219,.72)}
  #play .felt{box-shadow:inset 0 0 0 10px #1a3d2b,inset 0 0 0 12px #c9a15b66,0 40px 90px -30px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.4)}
  #play .panel{background:rgba(31,26,20,.72);border-color:rgba(243,234,219,.14);color:var(--paper);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
  #play .panel .k,#play .auction .h,#play .meaning,#play .scorecard .k{color:rgba(243,234,219,.7)}
  #play .auction .c:hover{background:rgba(243,234,219,.08)}
  #play .auction .c.on{background:var(--paper);color:var(--ink)}
  #play .auction .c .pass{color:rgba(243,234,219,.55)}
  #play .auction .h{border-bottom-color:rgba(243,234,219,.18)}
  #play .auction .h.you{color:#9fd3b6}
  #play .meaning{background:rgba(243,234,219,.08);color:rgba(243,234,219,.85)}
  #play .meaning b{color:var(--paper)}
  #play .scorecard div{background:rgba(243,234,219,.08)}
  #play .panel p{color:rgba(243,234,219,.78)!important}
  #play .plist .k{color:#9fd3b6!important}
  #play .kib{background:rgba(12,9,7,.78);border:1px solid rgba(243,234,219,.12);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
  #play .bidbox .b{background:rgba(243,234,219,.08);border-color:rgba(243,234,219,.16);color:var(--paper)}
  #play .bidbox .b:not(:disabled):hover{background:rgba(243,234,219,.16)}
  #play .bidbox .b.red{color:#f0a195}
  #play .bidbox .b.sug{box-shadow:0 0 0 2px #9fd3b6;background:rgba(159,211,182,.16)}
  #play .bidbox .row .b{background:var(--paper);color:var(--ink);border-color:transparent}
  #play .bidbox .row .b.x{background:rgba(243,234,219,.08);color:#f0a195;border-color:rgba(243,234,219,.16)}
  #play .bidbox .lvl button{border-color:rgba(243,234,219,.2);color:rgba(243,234,219,.75)}
  #play .bidbox .lvl button.on{background:var(--paper);color:var(--ink);border-color:var(--paper)}
  #play .yours{perspective:900px}
  #play .yours .card{box-shadow:-3px 0 8px -4px rgba(0,0,0,.7),0 14px 24px -10px rgba(0,0,0,.9);transform-style:preserve-3d}
  #play .yours .card.playable:hover{transform:rotate(var(--r,0deg)) translateY(calc(var(--ty,0px) - 22px)) rotateX(var(--tx,0deg)) rotateY(var(--tyaw,0deg)) scale(1.04);box-shadow:-6px 0 14px -6px rgba(0,0,0,.6),0 30px 40px -16px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.35)}
  #play .yours .card.playable::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(115deg,rgba(255,255,255,0) 30%,rgba(255,255,255,.35) 50%,rgba(255,255,255,0) 70%);background-size:220% 100%;background-position:120% 0;opacity:0;transition:opacity .25s;pointer-events:none}
  #play .yours .card.playable:hover::after{opacity:1;animation:glint .9s ease-out}
  @keyframes glint{from{background-position:120% 0}to{background-position:-20% 0}}
  #play .seat .who{background:rgba(0,0,0,.35)}
  #play .card.dim{opacity:1;filter:brightness(.5) saturate(.2)}
  #play .auction .c.on .pass{color:var(--ink-3)}
  #play .auction .c.on .bid{color:var(--ink)}
  #play .auction .c.on .bid.red,#play .auction .c.on .dbl{color:var(--madder)}
  .sheet{display:contents}
  .sheet .handle{display:none}
  .hand.side{display:flex}
  .seat.E .hand.side,.seat.W .hand.side{display:flex}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}