/* UNO Premium — v2 with scoreboard, feed, direction, polish */
:root{
  --red:#ef4444; --red-2:#dc2626;
  --blue:#3b82f6; --blue-2:#2563eb;
  --green:#22c55e; --green-2:#16a34a;
  --yellow:#facc15; --yellow-2:#eab308;
  --bg:#060d21; --bg-2:#0b1433;
  --card:#ffffff; --text:#f8fafc; --muted:#94a3b8;
  --border:rgba(255,255,255,.10);
  --shadow:0 24px 60px rgba(0,0,0,.55), 0 2px 10px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
html{scrollbar-gutter:stable}
body{
  margin:0; font-family:'Outfit',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  background:
    radial-gradient(900px 600px at 18% -8%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(900px 700px at 88% 0%, rgba(239,68,68,.14), transparent 60%),
    radial-gradient(700px 500px at 50% 115%, rgba(34,197,94,.10), transparent 60%),
    linear-gradient(180deg, #0a1330 0%, var(--bg) 55%, #020617 100%);
  color:var(--text); overflow:hidden; min-height:100vh; min-height:100dvh;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit}
a{color:inherit}
kbd{font-family:ui-monospace,monospace; font-size:.72rem; background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.14); border-bottom-width:2px; padding:2px 6px; border-radius:6px; font-weight:700}
.muted{color:var(--muted)}
.hidden{display:none !important}

/* ambient */
.background-effect{position:fixed;inset:0;pointer-events:none;z-index:-2;overflow:hidden}
.background-effect::before,.background-effect::after{content:'';position:absolute;width:48vw;height:48vw;border-radius:50%;filter:blur(20px);opacity:.9;animation:float 18s ease-in-out infinite alternate}
.background-effect::before{background:radial-gradient(circle, rgba(239,68,68,.07), transparent 68%);left:-10vw;top:-14vw}
.background-effect::after{background:radial-gradient(circle, rgba(59,130,246,.08), transparent 70%);right:-12vw;bottom:-18vw;animation-delay:-9s}
@keyframes float{0%{transform:translate(0,0) scale(1)}100%{transform:translate(28px,22px) scale(1.06)}}
.grain{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");mix-blend-mode:soft-light}
.color-wash{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:0;transition:opacity .6s ease, background .4s ease}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:20; display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 14px; max-width:1280px;margin:10px auto 0;width:calc(100% - 20px);
  backdrop-filter: blur(14px) saturate(1.2);
  background: linear-gradient(180deg, rgba(15,23,42,.78), rgba(15,23,42,.32));
  border:1px solid var(--border); border-radius:18px; box-shadow:0 8px 32px rgba(0,0,0,.35);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:52px;height:52px;display:grid;place-items:center;background:linear-gradient(135deg,#e11d48,#ef4444 55%,#f97316);color:#fff;font-weight:900;letter-spacing:-.04em;font-size:1.28rem;border-radius:14px;transform:rotate(-6deg);box-shadow:0 10px 24px rgba(239,68,68,.35), inset 0 1px 0 rgba(255,255,255,.35);border:2px solid rgba(255,255,255,.9);text-shadow:0 1px 0 rgba(0,0,0,.35);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-family:'Space Grotesk',sans-serif;font-size:.95rem;letter-spacing:-.02em}
.brand-text span{font-size:.74rem;color:var(--muted);font-weight:500}
.topbar-center{flex:1;display:flex;justify-content:center}
.seg{display:inline-flex;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.10);border-radius:999px;padding:3px;gap:3px;backdrop-filter:blur(8px)}
.seg-btn{border:none;background:transparent;color:var(--muted);padding:7px 14px;border-radius:999px;font-weight:800;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;transition:all .18s}
.seg-btn.active{background:#fff;color:#0f172a;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.seg-btn:hover{color:#fff}.seg-btn.active:hover{color:#0f172a}
.topbar-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.score-mini{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--border);backdrop-filter:blur(8px);font-weight:800}
.score-mini-label{font-size:.62rem;letter-spacing:.10em;color:var(--muted)}
.score-mini-val{font-size:.86rem}
.score-mini-streak{background:linear-gradient(135deg,#facc15,#f97316);color:#000;padding:2px 7px;border-radius:999px;font-size:.72rem}
.turn-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid var(--border);font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;backdrop-filter:blur(8px);white-space:nowrap}
.turn-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(34,197,94,.18);animation:pulseDot 1.6s infinite}
.turn-pill.cpu .dot{background:var(--blue);box-shadow:0 0 0 6px rgba(59,130,246,.18)}
@keyframes pulseDot{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.08);color:var(--text);cursor:pointer;display:grid;place-items:center;font-weight:800;font-size:1rem;transition:transform .18s, background .18s;flex-shrink:0}
.icon-btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.13)}
.icon-btn:active{transform:scale(.96)}
.icon-btn.ghost{background:transparent}
.icon-btn.muted{opacity:.6}
.icon-btn:focus-visible,.primary-btn:focus-visible,.secondary-btn:focus-visible,.color-btn:focus-visible,.card:focus-visible,.draw-deck:focus-visible,.chip-btn:focus-visible,.seg-btn:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* shell */
.app-shell{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:300px 1fr;gap:14px;padding:12px 14px 0;height:calc(100dvh - 84px)}
.rail{display:flex;flex-direction:column;gap:12px;min-height:0;overflow:auto;scrollbar-width:thin}
.rail::-webkit-scrollbar{width:6px}
.panel{background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));border:1px solid var(--border);border-radius:18px;padding:14px;backdrop-filter:blur(14px) saturate(1.1);box-shadow:0 10px 30px rgba(0,0,0,.28);position:relative;overflow:hidden}
.panel::before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(400px 180px at 50% 0%, rgba(255,255,255,.08), transparent 70%)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;position:relative}
.panel-head h3{margin:0;font-size:.82rem;letter-spacing:.10em;text-transform:uppercase;color:var(--muted)}
.link-btn{background:none;border:none;color:var(--muted);font-size:.76rem;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link-btn:hover{color:#fff}
.score-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;position:relative}
.score-card{background:rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:10px 8px;text-align:center}
.score-card.you{border-color:rgba(34,197,94,.22)} .score-card.cpu{border-color:rgba(59,130,246,.22)}
.sc-label{font-size:.62rem;letter-spacing:.10em;text-transform:uppercase;color:var(--muted);font-weight:700}
.sc-val{font-size:1.45rem;font-weight:900;display:block;margin-top:2px}
.streak-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:.82rem;font-weight:600;position:relative}
.streak{font-weight:800}
.progress-wrap{height:6px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-top:10px;position:relative}
.progress{height:100%;width:0%;background:linear-gradient(90deg,var(--green),var(--blue));border-radius:999px;transition:width .4s ease}
.feed{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;max-height:220px;overflow:auto;position:relative}
.feed li{font-size:.82rem;line-height:1.35;background:rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.06);padding:8px 10px;border-radius:12px;display:flex;align-items:center;gap:8px;animation:slideIn .28s ease}
@keyframes slideIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.feed-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.tips{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;position:relative}
.tips li{font-size:.80rem;color:rgba(248,250,252,.78);line-height:1.4}

/* game column */
.game-container{display:flex;flex-direction:column;justify-content:space-between;min-height:0;gap:8px}
.player-area{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 6px;min-height:0}
.cpu-area{padding-top:4px}
.center-area{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;padding:4px 0}
.board{width:min(680px,100%);background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));border:1px solid var(--border);border-radius:26px;padding:18px 18px 12px;box-shadow:var(--shadow);backdrop-filter:blur(16px) saturate(1.15);position:relative;overflow:hidden}
.board::before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(600px 280px at 50% 0%, rgba(255,255,255,.10), transparent 70%)}
.board-glow{position:absolute;inset:-1px;border-radius:26px;pointer-events:none;opacity:.0;transition:opacity .4s, box-shadow .4s}
.direction-ring{position:absolute;inset:10px;border-radius:22px;pointer-events:none;border:1px dashed rgba(255,255,255,.10);opacity:.85}
.ring-arrow{position:absolute;font-size:1.1rem;font-weight:900;color:rgba(255,255,255,.55);line-height:1}
.ring-arrow.a1{top:6px;left:50%;transform:translateX(-50%)} .ring-arrow.a2{right:10px;top:50%;transform:translateY(-50%)} .ring-arrow.a3{bottom:6px;left:50%;transform:translateX(-50%) rotate(180deg)} .ring-arrow.a4{left:10px;top:50%;transform:translateY(-50%) rotate(180deg)}
.direction-ring.reverse .ring-arrow{transform:translateX(-50%) scaleX(-1)} /* will be handled via JS class */
.direction-ring.reverse .a2{transform:translateY(-50%) scaleX(-1)} .direction-ring.reverse .a3{transform:translateX(-50%) rotate(180deg) scaleX(-1)} .direction-ring.reverse .a4{transform:translateY(-50%) rotate(180deg) scaleX(-1)}
.deck-container{display:flex;align-items:center;justify-content:center;gap:28px;position:relative}
.pile-col{display:flex;flex-direction:column;align-items:center;gap:10px}
.current-color{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.08);padding:6px 12px;border-radius:999px;backdrop-filter:blur(8px)}
.current-color-dot{width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(239,68,68,.18);display:inline-block}
.current-color-sep{opacity:.4}
.status-wrap{text-align:center;margin-top:14px;position:relative}
.status-message{display:inline-flex;align-items:center;justify-content:center;font-size:clamp(1.05rem, 2.6vw, 1.32rem);font-weight:900;letter-spacing:.10em;text-transform:uppercase;background:rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.06);padding:10px 22px;border-radius:999px;backdrop-filter:blur(8px);box-shadow:0 6px 18px rgba(0,0,0,.25);transition:transform .25s, background .25s}
.status-message.pop{transform:scale(1.03)}
.status-sub{margin-top:7px;color:var(--muted);font-size:.84rem;font-weight:500;min-height:1.2em}
.timer{height:4px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-top:10px;max-width:320px;margin-left:auto;margin-right:auto;display:none}
.timer.show{display:block}
.timer-fill{height:100%;width:100%;background:linear-gradient(90deg,var(--yellow),var(--red));transform-origin:left;transition:width .1s linear}
.board-actions{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:.74rem;color:var(--muted);font-weight:600;position:relative}
.board-meta{opacity:.9}

/* hands */
.hand{display:flex;justify-content:center;align-items:center;max-width:min(92vw, 760px);width:100%;margin-top:8px;padding:8px 8px 12px;overflow-x:auto;overflow-y:visible;scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
.hand::-webkit-scrollbar{display:none}
.user-area .hand{padding-bottom:14px}
.card{width:88px;height:132px;background:var(--card);border-radius:14px;box-shadow:0 8px 18px rgba(0,0,0,.38), 0 1px 0 rgba(255,255,255,.9) inset;position:relative;display:flex;flex-shrink:0;justify-content:center;align-items:center;border:4px solid #fff;box-sizing:border-box;user-select:none;cursor:pointer;transition:transform .22s cubic-bezier(.175,.885,.32,1.275), box-shadow .22s, filter .22s, border-color .22s;margin-left:-42px;scroll-snap-align:center;-webkit-tap-highlight-color:transparent}
.hand .card:first-child{margin-left:0}
.card .inner{width:100%;height:100%;border-radius:8px;position:relative;display:flex;justify-content:center;align-items:center;background-color:var(--card-color,#fff);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.card .oval{width:78%;height:68%;background:#fff;border-radius:50%/50%;transform:rotate(-22deg);display:flex;justify-content:center;align-items:center;box-shadow:inset 0 0 14px rgba(0,0,0,.08), 0 1px 0 rgba(0,0,0,.06)}
.card .large-val{transform:rotate(22deg);font-size:2.55rem;font-weight:900;color:var(--card-color);line-height:1;text-shadow:0 1px 0 rgba(0,0,0,.08);font-family:'Space Grotesk',sans-serif;letter-spacing:-.04em}
.card.black .large-val{background:linear-gradient(135deg, var(--red) 0 25%, var(--blue) 25% 50%, var(--green) 50% 75%, var(--yellow) 75% 100%);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.85rem}
.card .small-val{color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.45);position:absolute;font-size:1rem;font-weight:800;line-height:1;font-family:'Space Grotesk',sans-serif}
.card .top-left{top:6px;left:7px} .card .bottom-right{bottom:6px;right:7px;transform:rotate(180deg)}
.card.hint{animation:hintPulse 1s ease infinite; border-color:#fff !important; box-shadow:0 0 0 3px #fff, 0 0 22px rgba(250,204,21,.85), 0 10px 22px rgba(0,0,0,.42)}
@keyframes hintPulse{0%,100%{transform:translateY(-8px) scale(1.03)}50%{transform:translateY(-14px) scale(1.06)}}
.user-area .hand .card:hover{transform:translateY(-16px) scale(1.04) rotate(-.6deg);z-index:50 !important;box-shadow:0 16px 30px rgba(0,0,0,.5)}
.user-area .hand .card:active{transform:translateY(-10px) scale(1.02)}
.user-area .hand .card.playable{border-color:#fff;box-shadow:0 10px 22px rgba(0,0,0,.42), 0 0 18px rgba(255,255,255,.18)}
.user-area .hand .card.unplayable{filter:brightness(.58) contrast(.9) saturate(.85)}
.user-area .hand .card.unplayable:hover{transform:translateY(-6px)}
.card.shake{animation:shake .42s ease}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px) rotate(-1deg)}40%{transform:translateX(6px) rotate(1deg)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.card.enter{animation:deal .42s cubic-bezier(.175,.885,.32,1.1) both}
@keyframes deal{from{opacity:0;transform:translateY(18px) scale(.92) rotate(2deg)}to{opacity:1;transform:translateY(0) scale(1) rotate(0)}}

/* card-back */
.card-back{margin-left:0;background:#fff}
.card-back .inner{background:linear-gradient(135deg,#991b1b,var(--red) 55%,#f43f5e);position:relative;overflow:hidden}
.card-back .inner::before{content:'';position:absolute;inset:0;opacity:.18;background:repeating-linear-gradient(-35deg, transparent 0 14px, rgba(255,255,255,.9) 14px 15px)}
.card-back .logo{color:#facc15;font-size:1.9rem;font-weight:900;text-shadow:0 2px 0 #000, 0 4px 12px rgba(0,0,0,.35);transform:rotate(-22deg);letter-spacing:-.04em}
.draw-hint{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font-size:.58rem;font-weight:800;letter-spacing:.18em;color:rgba(255,255,255,.92);background:rgba(0,0,0,.28);padding:3px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.18)}
.draw-count{position:absolute;top:8px;right:8px;font-size:.64rem;font-weight:800;background:#fff;color:#0f172a;padding:2px 6px;border-radius:999px;border:1px solid rgba(0,0,0,.08)}
.draw-deck{border-color:#fff}
.draw-deck:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 26px rgba(0,0,0,.45)}
.draw-deck:active{transform:scale(.98)}
.discard-wrap{position:relative;width:88px;height:132px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.35))}
.discard-wrap .card{position:absolute;top:0;left:0;margin-left:0;cursor:default}
.discard-wrap .card:last-child{box-shadow:0 10px 24px rgba(0,0,0,.45)}

/* player info */
.player-info{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);padding:10px 14px;border-radius:999px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.10);box-shadow:0 8px 20px rgba(0,0,0,.22);max-width:100%;position:relative}
.player-info .avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);font-size:1.32rem;flex-shrink:0}
.cpu-avatar{background:linear-gradient(135deg, rgba(59,130,246,.25), rgba(255,255,255,.08)) !important}
.player-meta{display:flex;flex-direction:column;line-height:1}
.player-meta .name{font-weight:800;font-size:.95rem;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.player-meta .sub{font-size:.76rem;color:var(--muted);font-weight:500;margin-top:2px;display:flex;gap:6px;align-items:center}
.sep{opacity:.4}
.badge{font-size:.60rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:3px 7px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
.cpu-badge{background:rgba(59,130,246,.18);border-color:rgba(59,130,246,.28);color:#bfdbfe}
.diff-badge{background:rgba(255,255,255,.08)}
.thinking{display:inline-flex;gap:4px;align-items:center;margin-left:2px;opacity:0;transition:opacity .25s}
.thinking.show{opacity:1}
.thinking span{width:6px;height:6px;border-radius:50%;background:#fff;opacity:.9;animation:bounce 1s infinite}
.thinking span:nth-child(2){animation-delay:.15s}.thinking span:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.6}40%{transform:translateY(-6px);opacity:1}}
.direction-badge{margin-left:auto;font-size:.68rem;font-weight:800;letter-spacing:.08em;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.08);padding:6px 10px;border-radius:999px;white-space:nowrap}
.action-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;max-width:760px;margin-top:6px;flex-wrap:wrap}
.action-btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.chip-btn{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.12);padding:9px 14px;border-radius:999px;font-weight:800;font-size:.82rem;cursor:pointer;backdrop-filter:blur(8px);transition:transform .18s, background .18s}
.chip-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.chip-btn:active{transform:scale(.97)}
.hand-hint{margin:8px 0 0;color:rgba(248,250,252,.62);font-size:.76rem;font-weight:500;text-align:center}
.uno-btn{background:linear-gradient(135deg,#facc15,#f97316 55%,#ef4444);color:#fff;border:2px solid #fff;padding:9px 18px;font-size:.92rem;font-weight:900;border-radius:999px;cursor:pointer;box-shadow:0 8px 22px rgba(239,68,68,.45), 0 2px 0 rgba(0,0,0,.15) inset;text-transform:uppercase;letter-spacing:.06em;transition:transform .18s, box-shadow .18s;animation:pulse 1.35s infinite;margin-left:2px}
.uno-btn:hover{transform:scale(1.06);box-shadow:0 12px 28px rgba(239,68,68,.55)}
.uno-btn:active{transform:scale(.98)}
.uno-btn.hidden{display:none !important}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.04)}100%{transform:scale(1)}}

/* footer */
.footer{max-width:1280px;margin:8px auto 10px;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:.78rem;font-weight:500;padding:0 14px;flex-wrap:wrap}
.footer-dot{opacity:.6}
.mobile-score{display:none}

/* modals */
.modal.overlay{position:fixed;inset:0;background:rgba(2,6,23,.62);display:flex;justify-content:center;align-items:center;z-index:1000;backdrop-filter:blur(10px) saturate(1.1);padding:18px;animation:fadeIn .22s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal.hidden{display:none !important}
.modal-content.glass{background:linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.08));padding:26px 20px;border-radius:26px;border:1px solid rgba(255,255,255,.18);text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.5);width:min(520px,100%);backdrop-filter:blur(18px);position:relative;overflow:hidden}
.modal-content.glass::before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(500px 220px at 50% 0%, rgba(255,255,255,.14), transparent 70%)}
.modal-content.large{width:min(640px,100%)}
.modal-content h2{margin:6px 0 8px;font-size:clamp(1.6rem, 4vw, 2.15rem);letter-spacing:-.02em;line-height:1.05}
.eyebrow{margin:0;color:var(--muted);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem}
.modal-sub{margin:0 0 18px;color:rgba(248,250,252,.72);font-weight:500}
.color-options{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.color-btn{width:78px;height:78px;border-radius:50%;border:3px solid #fff;cursor:pointer;transition:transform .18s, box-shadow .18s;box-shadow:0 10px 20px rgba(0,0,0,.28);display:grid;place-items:center;position:relative;overflow:visible}
.color-btn em{position:absolute;bottom:-18px;font-style:normal;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.85)}
.color-btn span{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.92);opacity:0;transform:scale(.6);transition:all .18s;display:block}
.color-btn.recommended{box-shadow:0 0 0 4px #fff, 0 12px 28px rgba(0,0,0,.35)}
.color-btn:hover{transform:scale(1.08) translateY(-1px);box-shadow:0 14px 28px rgba(0,0,0,.35)}
.color-btn:active{transform:scale(.98)}
.color-btn.red{background:var(--red)} .color-btn.blue{background:var(--blue)} .color-btn.green{background:var(--green)} .color-btn.yellow{background:var(--yellow)}
.color-rec{margin-top:22px;font-size:.82rem;color:var(--muted);font-weight:600;position:relative}
.rules-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left;margin:16px 0 14px}
.rule{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:12px 12px;display:flex;gap:10px;align-items:flex-start;font-size:.88rem;line-height:1.35;color:rgba(248,250,252,.92)}
.rule strong{color:#fff}
.rule-ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.10);flex-shrink:0;font-weight:800;font-size:.78rem}
.callout{background:linear-gradient(135deg, rgba(250,204,21,.14), rgba(239,68,68,.12));border:1px solid rgba(250,204,21,.22);padding:10px 12px;border-radius:14px;font-size:.84rem;text-align:left;position:relative}
.setting{position:relative;text-align:left;margin:14px 0}
.setting label{font-weight:800;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:8px}
.setting-hint{margin:8px 0 0;color:var(--muted);font-size:.80rem}
.switch{display:inline-flex;align-items:center;gap:10px;font-weight:600;text-transform:none;letter-spacing:0;color:var(--text);cursor:pointer}
.switch input{display:none}
.switch span{width:46px;height:28px;background:rgba(255,255,255,.14);border-radius:999px;position:relative;transition:background .2s;border:1px solid rgba(255,255,255,.12);display:inline-block}
.switch span::after{content:'';position:absolute;top:2px;left:2px;width:22px;height:22px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.switch input:checked + span{background:var(--green)}
.switch input:checked + span::after{transform:translateX(18px)}
.kbd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;font-size:.80rem;position:relative}
.kbd-grid span{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:8px 10px;border-radius:12px;display:flex;align-items:center;gap:8px}
.modal-actions{display:flex;gap:10px;justify-content:center;margin-top:16px;position:relative;flex-wrap:wrap}
.primary-btn{background:#fff;color:#0f172a;border:none;padding:12px 26px;font-size:.92rem;font-weight:900;border-radius:999px;cursor:pointer;text-transform:uppercase;letter-spacing:.06em;transition:transform .18s, box-shadow .18s;box-shadow:0 10px 22px rgba(0,0,0,.25)}
.primary-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.3)}
.primary-btn:active{transform:translateY(0) scale(.98)}
.secondary-btn{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.16);padding:11px 20px;border-radius:999px;font-weight:800;cursor:pointer;backdrop-filter:blur(8px)}
.secondary-btn:hover{background:rgba(255,255,255,.14)}
.win-modal .confetti{position:absolute;inset:0;pointer-events:none;opacity:.9}
.win-stats{margin:12px 0 6px;background:rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;font-size:.82rem;position:relative}
.win-stats div{ text-align:center}
.win-stats strong{display:block;font-size:1.1rem}
.win-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:12px;position:relative}

/* notifications */
.notification{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.92);background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(2,6,23,.96));padding:20px 26px;border-radius:22px;border:1px solid rgba(255,255,255,.14);z-index:2000;box-shadow:0 24px 60px rgba(0,0,0,.6);opacity:0;transition:all .32s cubic-bezier(.175,.885,.32,1.275);pointer-events:none;text-align:center;min-width:min(360px, 92vw)}
.notification.show{transform:translate(-50%,-50%) scale(1);opacity:1}
.notification.hidden{display:none !important}
#notification-text{margin:0;font-size:clamp(2rem, 6vw, 2.9rem);font-weight:900;background:linear-gradient(90deg,#facc15,#f97316 45%,#ef4444);-webkit-background-clip:text;background-clip:text;color:transparent;text-transform:uppercase;letter-spacing:.06em;line-height:1}
#notification-sub{margin:6px 0 0;color:rgba(248,250,252,.72);font-weight:600;font-size:.9rem}

/* responsive */
@media (max-width: 980px){
  .app-shell{grid-template-columns:1fr; height:auto; min-height:calc(100dvh - 84px)}
  .rail{order:2; display:grid; grid-template-columns:1fr 1fr; gap:12px}
  .tips-panel{display:none}
  .game-container{order:1}
  .topbar-center{display:none}
}
@media (max-width: 680px){
  .topbar{margin:8px 10px 0;width:auto;border-radius:16px;padding:10px 12px;gap:8px}
  .brand-text span{display:none}
  .score-mini{display:none}
  .app-shell{padding:10px 8px 0; gap:10px}
  .rail{grid-template-columns:1fr; gap:10px}
  .feed{max-height:160px}
  .board{padding:14px 12px 12px;border-radius:20px}
  .deck-container{gap:16px}
  .card{width:74px;height:110px;border-radius:12px;margin-left:-34px;border-width:3px}
  .card .large-val{font-size:2rem} .card.black .large-val{font-size:1.45rem}
  .discard-wrap{width:74px;height:110px}
  .hand{max-width:100vw;padding-left:6px;padding-right:6px}
  .rules-grid{grid-template-columns:1fr}
  .player-info{padding:8px 12px}
  .status-message{padding:9px 16px}
  .mobile-score{display:flex}
  .direction-badge{display:none}
  .kbd-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 380px){
  .card{width:68px;height:102px;margin-left:-30px}
  .discard-wrap{width:68px;height:102px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}