:root{color-scheme:light;--bg:#f1eadc;--surface:#fffdf6;--surface2:#e8decb;--ink:#17211e;--muted:#6c746f;--line:#cfc3ad;--green:#176b58;--green2:#0f493e;--cream:#f8efd9;--red:#c43c45;--blue:#2868b2;--gold:#db9d2d;--shadow:0 18px 50px #283c3420}

:root[data-theme="dark"]{color-scheme:dark;--bg:#111916;--surface:#1c2824;--surface2:#283832;--ink:#f5f2e9;--muted:#aab8b2;--line:#44584f;--green:#4eb99d;--green2:#8dd9c4;--cream:#26342f;--shadow:0 18px 50px #0007}

*{box-sizing:border-box}
body{margin:0;min-height:100dvh;color:var(--ink);background:radial-gradient(circle at 5% 5%,color-mix(in srgb,var(--green) 18%,transparent),transparent 30rem),var(--bg);font-family:Inter,ui-rounded,system-ui,sans-serif}
button,input,select{font:inherit}
.hidden{display:none!important}
.topbar{height:56px;padding:8px max(16px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(14px);position:sticky;top:0;z-index:40}
.brand{font:900 1.2rem ui-monospace,monospace;letter-spacing:-.05em;color:var(--green2);text-decoration:none}
.brand span{color:var(--gold)}
.top-actions{display:flex;gap:7px}
button{min-height:40px;padding:8px 13px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--surface);font-weight:800;cursor:pointer}
button:hover{border-color:var(--green)}
button:disabled{opacity:.45;cursor:not-allowed}
.primary{border-color:var(--green);color:#fff;background:var(--green2)}
.secondary{color:var(--green2);background:color-mix(in srgb,var(--green) 12%,var(--surface))}
.danger{color:#fff;background:#a52c35;border-color:#a52c35}
main{width:min(1180px,calc(100% - 24px));margin:auto;padding:28px 0 60px}
.welcome{display:grid;gap:20px}
.hero{padding:clamp(28px,6vw,70px) 3px 20px;position:relative}
.eyebrow{margin:0 0 7px;color:var(--green2);font-size:.72rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.hero h1{margin:0;font:900 clamp(4.4rem,14vw,9.5rem)/.8 Georgia,serif;letter-spacing:-.08em;color:var(--green2)}
.hero>p:not(.eyebrow){max-width:620px;font-size:1.08rem;line-height:1.55}
.chip-demo{display:flex;gap:7px;margin-top:20px}
.chip-demo i,.winner-chips i{width:38px;aspect-ratio:1;border-radius:50%;background:var(--blue);border:5px double #ffffffaa;box-shadow:0 4px 0 #16395f}
.chip-demo i:nth-child(3n){background:var(--red);box-shadow:0 4px 0 #6c2026}
.panel{border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow);padding:20px}
.entry-grid,.room-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tabs{display:flex;gap:6px;margin-bottom:18px}
.tabs button{flex:1}
.tabs .active{color:#fff;background:var(--green2)}
form{display:grid;gap:13px}
label{display:grid;gap:6px;font-weight:800}
label small{color:var(--muted);font-weight:500;line-height:1.35}
input,select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:9px 11px;color:var(--ink);background:var(--surface)}
.error{min-height:1.3em;margin:10px 0 0;color:#b52a35;font-weight:800}
.resume{margin-top:14px;padding:12px;border-radius:12px;background:var(--surface2);display:flex;align-items:center;justify-content:space-between;gap:10px}
.resume div{display:grid}
.resume span{color:var(--muted);font-size:.82rem}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px}
.panel-title h2,.panel h2{margin:0 0 14px}
.panel-title h2{margin:0}
.rooms-panel{min-height:350px}
.room-row,.player-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.room-row small,.player-row small{display:block;color:var(--muted)}
.empty{color:var(--muted)}
#connectionDot{width:10px;aspect-ratio:1;border-radius:50%;background:#c89a29}
#connectionDot.online{background:#22945c}
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rules div>b{display:grid;place-items:center;width:48px;aspect-ratio:1;border-radius:50%;color:#fff;background:var(--green2);font:900 1.2rem Georgia,serif}
.rules h3{margin:12px 0 6px}
.rules p{margin:0;color:var(--muted);line-height:1.45}
.rules>a{grid-column:1/-1;color:var(--green2);font-weight:900}
.room-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
.room-head h1{margin:0;font-size:clamp(1.8rem,5vw,3rem)}
.room-head p{margin:4px 0}
.room-actions{display:flex;flex-wrap:wrap;gap:7px}
.players{margin-bottom:14px}
.avatar{display:grid;place-items:center;width:38px;aspect-ratio:1;border-radius:50%;color:#fff;background:var(--green2);font-weight:900}
.player-copy{flex:1}
.ready-dot{font-size:.75rem;color:var(--muted)}
.ready-dot.yes{color:var(--green2);font-weight:900}
.setup-help{color:var(--muted);line-height:1.45}
.game-status{position:sticky;top:64px;z-index:30;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;text-align:center;padding:10px 16px;margin-bottom:10px}
.game-status>div{display:grid}
.game-status>div:first-child{text-align:left}
.game-status>div:last-child{text-align:right}
.game-status span{color:var(--muted);font-size:.7rem;font-weight:900;text-transform:uppercase}
.game-status strong{font-size:1.05rem}
.sequence-score{display:flex!important;flex-direction:row;gap:10px}
.score-chip{display:flex;align-items:center;gap:5px;font-size:.83rem;font-weight:900}
.score-chip i,.team-dot{display:inline-block;width:13px;aspect-ratio:1;border-radius:50%}
.team-0{--team:#2872bd}
.team-1{--team:#d03d46}
.team-2{--team:#269867}
.score-chip i,.team-dot{background:var(--team)}
.turn-banner{margin:10px 0;padding:12px 20px;border:2px solid #9b6515;border-radius:14px;text-align:center;color:#17211e;background:#f3c155;font-weight:1000;font-size:clamp(1.15rem,4vw,1.7rem);letter-spacing:.08em;text-transform:uppercase;box-shadow:0 0 0 5px #f3c15538,0 10px 30px #d99a3955}
.turn-banner.waiting{color:var(--ink);background:var(--surface2);border:1px solid var(--line)}
.your-turn .turn-banner{animation:turn-pulse 1.2s ease-in-out infinite}
.your-turn .board-shell{outline:4px solid #f3c155;outline-offset:3px}
.your-turn .hand-panel{box-shadow:0 0 0 4px #f3c155,0 12px 36px #d99a3945}
@keyframes turn-pulse{50%{transform:scale(1.015);box-shadow:0 0 0 9px #f3c15522,0 12px 36px #d99a3970}}
.team-strip{display:flex;gap:8px;overflow:auto;padding:4px 0 10px}
.team-person{white-space:nowrap;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:.78rem;font-weight:800}
.team-person.current{outline:3px solid color-mix(in srgb,var(--team) 40%,transparent)}
.board-tools{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:0 0 8px;color:var(--muted);font-size:.75rem;font-weight:900}
.board-tools button{min-height:34px;padding:5px 10px}
.board-shell{padding:clamp(4px,1vw,12px);overflow:hidden;background:#173b32}
.board{width:min(100%,820px);min-width:0;aspect-ratio:1;margin:auto;display:grid;grid-template-columns:repeat(10,minmax(0,1fr));grid-template-rows:repeat(10,minmax(0,1fr));gap:clamp(1px,.35vw,3px);padding:clamp(1px,.35vw,3px);border-radius:10px;background:#d8c594}
.board-shell.detail{overflow:auto}
.board-shell.detail .board{width:820px;min-width:820px}
.space{position:relative;min-width:0;border:1px solid #ae9564;border-radius:5px;background:#fbf2da;display:grid;place-items:center;text-align:center;overflow:hidden;cursor:pointer;user-select:none}
.space.red-card{color:#b32132}
.space.black-card{color:#151515}
.space .rank{font:900 clamp(.72rem,2.7vw,1.65rem)/.9 Georgia,serif}
.space .suit{font-size:clamp(.72rem,2.55vw,1.55rem);font-weight:900;line-height:.9}
.space.corner{background:radial-gradient(circle,#f5ce63 0 13%,#1d765f 14% 25%,#f6e3a6 26% 35%,#1d765f 36% 46%,#f6e3a6 47% 100%)}
.space.available{z-index:3;outline:4px solid #075cff;outline-offset:-4px;background:#d7edff;box-shadow:inset 0 0 0 2px #fff,0 0 0 3px #075cff,0 0 14px 5px #00a8ffcc;animation:available-pulse .9s ease-in-out infinite}
@keyframes available-pulse{50%{transform:scale(.91);background:#fff;box-shadow:inset 0 0 0 3px #fff,0 0 0 5px #075cff,0 0 20px 8px #00a8ffff}}
.chip{position:absolute;width:73%;aspect-ratio:1;border-radius:50%;background:var(--team);border:5px double #ffffffaa;box-shadow:0 3px 0 color-mix(in srgb,var(--team) 65%,#000);z-index:2}
.chip.protected:after{content:"★";display:grid;place-items:center;height:100%;color:#fff;font-size:clamp(.55rem,1.7vw,1rem)}
.hand-panel{margin-top:12px;position:sticky;bottom:8px;z-index:25}
.hand-panel.inactive{position:relative;bottom:auto}
.hand-panel .panel-title span{color:var(--muted);font-size:.78rem}
.hand{display:grid;grid-template-columns:repeat(7,minmax(42px,72px));justify-content:center;gap:clamp(3px,1vw,8px);overflow:visible;padding:8px 3px 12px}
.card{width:100%;height:auto;aspect-ratio:.72;padding:clamp(3px,.7vw,7px);border:1px solid #aaa;border-radius:9px;background:#fff;color:#171717;box-shadow:0 4px 8px #0002;display:grid;align-content:space-between;text-align:left;cursor:pointer}
.card:disabled{opacity:.7;cursor:not-allowed}
.card.red{color:#c02135}
.card b{font:900 1.25rem Georgia,serif}
.card em{font-style:normal;font-size:1.7rem;text-align:center}
.card small{text-align:right}
.card.selected{transform:translateY(-7px);outline:4px solid var(--gold)}
.card.jack em{font-size:clamp(2rem,8vw,3.25rem);font-weight:900;line-height:1;text-align:center}
.draw-reveal{position:fixed;inset:0;z-index:1800;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#07140f00;opacity:0;pointer-events:none;transition:opacity .18s ease,background .18s ease}
.draw-reveal.visible{opacity:1;background:#07140fa8;backdrop-filter:blur(3px)}
.draw-reveal.departing{background:#07140f00}
.draw-reveal>strong{color:#fff;font-size:18px;letter-spacing:.12em;text-transform:uppercase;text-shadow:0 2px 8px #000;transition:opacity .15s ease}
.draw-reveal.departing>strong{opacity:0}
.draw-reveal .drawn-card{width:120px;height:auto;aspect-ratio:.72;padding:10px;border-radius:14px;box-shadow:0 22px 55px #0009;animation:draw-reveal-pop .38s cubic-bezier(.2,.9,.2,1)}
.draw-reveal .drawn-card b{font-size:1.7rem}
.draw-reveal .drawn-card em{font-size:3.2rem}
.draw-reveal .drawn-card small{font-size:1rem}
.hand .card.just-drawn{z-index:4;animation:drawn-arrival .75s ease 2}
@keyframes draw-reveal-pop{from{transform:scale(.35) rotate(-8deg);opacity:0}70%{transform:scale(1.08) rotate(2deg)}to{transform:scale(1) rotate(0)}}
@keyframes drawn-arrival{50%{transform:translateY(-7px) scale(1.12);box-shadow:0 0 0 6px #f3c15577,0 8px 20px #0006}}
@media(prefers-reduced-motion:reduce){.your-turn .turn-banner,.space.available{animation:none}}
@media(prefers-reduced-motion:reduce){.draw-reveal,.draw-reveal .drawn-card,.hand .card.just-drawn{animation:none;transition:none}}
.finished{text-align:center;padding:clamp(36px,7vw,80px)}
.finished h2{font-size:clamp(2.1rem,8vw,5rem)}
.winner-chips{display:flex;justify-content:center;gap:6px;margin:20px}
.chat-panel{position:fixed;right:14px;bottom:14px;width:min(390px,calc(100% - 28px));height:min(560px,calc(100dvh - 85px));z-index:50;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:0 25px 80px #0005;display:grid;grid-template-rows:auto 1fr auto;overflow:hidden}
.chat-panel header{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;border-bottom:1px solid var(--line)}
.chat-panel h2{margin:0}
.chat-log{overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.message{padding:9px 11px;border-radius:12px;background:var(--surface2)}
.message b{display:block;font-size:.73rem;color:var(--green2)}
.chat-panel form{grid-template-columns:1fr auto;padding:10px;border-top:1px solid var(--line)}
.toast{position:fixed;left:50%;bottom:24px;z-index:80;transform:translate(-50%,30px);opacity:0;padding:10px 16px;border-radius:999px;color:#fff;background:#17211e;transition:.2s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:720px){main{width:min(100% - 14px,1180px);padding-top:12px}
.entry-grid,.room-grid,.rules{grid-template-columns:1fr}
.rules>a{grid-column:auto}
.room-head{align-items:flex-start;flex-direction:column}
.game-status{top:60px}
.board-shell{margin-inline:-3px}
.board-shell.detail .board{width:620px;min-width:620px}
.hand-panel{padding:12px 8px}
.card b{font-size:clamp(.75rem,3.2vw,1.05rem)}
.card em{font-size:clamp(.9rem,4vw,1.35rem)}
.card small{font-size:clamp(.55rem,2.4vw,.75rem)}
.room-actions{width:100%}
.room-actions button{flex:1}
.hero h1{font-size:clamp(4rem,23vw,7rem)}
}

@media(max-width:430px){.topbar{height:50px}
.game-status{top:54px}
.panel{border-radius:14px}
.sequence-score{gap:4px}
.score-chip{font-size:.68rem}
.game-status{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}
.space{border-radius:3px}
.chip{border-width:3px}
.hand{grid-template-columns:repeat(7,minmax(0,1fr))}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important}
}