:root{
  --bg:#0d1512; --panel:#14201b; --panel2:#1a2a23; --line:#26392f; --text:#e8efe9; --muted:#93a89b;
  --gold:#e3b04b; --gold2:#f5cf72; --green:#2fb36b; --red:#e2554f; --blue:#4b9be3; --purple:#a77de3;
  --felt:#0f5a3a; --felt2:#0b4a2f;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--gold2)}
h1,h2,h3{line-height:1.2;margin:.2em 0 .5em}
h1{font-size:28px}
h2{font-size:21px;margin-top:1.2em}
h3{font-size:17px}
.muted{color:var(--muted)}
.hidden{display:none!important}
code,kbd{background:#0006;border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:.9em}

/* ---------- layout ---------- */
body{display:flex;min-height:100vh}
#sidebar{width:240px;flex:none;background:var(--panel);border-right:1px solid var(--line);position:sticky;top:0;height:100vh;overflow:auto;padding:16px 10px}
.brand{display:block;font-size:21px;color:var(--text);text-decoration:none;padding:4px 10px 14px;letter-spacing:.3px}
.brand b{color:var(--gold)}
.brand .suit{color:var(--gold)}
#menuBtn{display:none}
#nav a{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none;margin:1px 0}
#nav a i{font-style:normal;width:22px;text-align:center}
#nav a:hover{background:var(--panel2)}
#nav a.active{background:linear-gradient(90deg,#e3b04b33,#e3b04b0a);color:var(--gold2);box-shadow:inset 3px 0 var(--gold)}
.navh{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);padding:14px 10px 4px}
#view{flex:1;min-width:0;padding:28px 34px 60px}
.page{max-width:1100px;margin:0 auto}
.back{display:inline-block;margin-bottom:10px;text-decoration:none;color:var(--muted)}
.back:hover{color:var(--gold2)}

@media (max-width:820px){
  body{flex-direction:column}
  #sidebar{width:auto;height:auto;position:sticky;z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:8px 12px}
  .brand{padding:4px}
  #menuBtn{display:block;background:none;border:1px solid var(--line);color:var(--text);font-size:20px;border-radius:8px;padding:2px 10px}
  #nav{display:none;width:100%}
  #nav.open{display:block}
  #view{padding:16px}
}

/* ---------- components ---------- */
.btn{background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:9px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;transition:.12s;text-decoration:none;display:inline-flex;align-items:center;gap:6px;justify-content:center}
.btn:hover:not(:disabled){border-color:var(--gold);color:var(--gold2)}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn.primary{background:linear-gradient(180deg,var(--gold2),var(--gold));color:#1c1405;border-color:transparent}
.btn.primary:hover:not(:disabled){filter:brightness(1.08);color:#1c1405}
.btn.danger{border-color:#e2554f66;color:#ffb3ae}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.lg{padding:14px 26px;font-size:18px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:14px 0}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;text-decoration:none;color:var(--text);display:block;transition:.15s;position:relative}
a.tile:hover{border-color:var(--gold);transform:translateY(-2px)}
.tile .ic{font-size:28px}
.tile h3{margin:6px 0 4px}
.tile p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:2px 8px;border-radius:20px;background:#ffffff12;color:var(--muted)}
.tag.Beginner{background:#2fb36b22;color:#7fe0a8}
.tag.Intermediate{background:#4b9be322;color:#9ccaf5}
.tag.Advanced{background:#a77de322;color:#cfb5f5}
.tag.Pro{background:#e3b04b22;color:var(--gold2)}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .v{font-size:26px;font-weight:800}
.stat .l{color:var(--muted);font-size:13px}
.bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:12px 0}
.bar label{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:14px}
select,input[type=number],input[type=text],input[type=date],textarea{background:#0b120f;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:7px 9px;font:inherit}
input[type=number]{width:90px}
textarea{width:100%;min-height:60px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:-1px}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left}
table.data th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.pos{color:var(--green)} .neg{color:var(--red)}
.progress{height:8px;background:#0006;border-radius:10px;overflow:hidden}
.progress>div{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:10px}
.check{display:flex;gap:10px;align-items:flex-start;padding:6px 0}
.check .box{width:20px;height:20px;border-radius:6px;border:2px solid var(--line);flex:none;display:grid;place-items:center;font-size:13px;margin-top:2px}
.check.done .box{background:var(--green);border-color:var(--green);color:#fff}
.check.done .txt{color:var(--muted)}

/* ---------- cards ---------- */
.card{width:64px;height:90px;border-radius:7px;background:#fdfdfb;color:#161616;position:relative;box-shadow:0 2px 6px #0008;flex:none;font-family:Georgia,"Times New Roman",serif;font-weight:700;user-select:none}
.card .tl,.card .br{position:absolute;font-size:15px;line-height:1;text-align:center}
.card .tl{top:5px;left:6px}
.card .br{bottom:5px;right:6px;transform:rotate(180deg)}
.card .mid{position:absolute;inset:0;display:grid;place-items:center;font-size:30px}
.card.red{color:#c8102e}
.card.back{background:repeating-linear-gradient(45deg,#7d1a28 0 6px,#962536 6px 12px);border:4px solid #fdfdfb}
.card.lg{width:120px;height:168px;border-radius:12px}
.card.lg .tl,.card.lg .br{font-size:26px}
.card.lg .mid{font-size:58px}
.card.sm{width:46px;height:65px;border-radius:5px}
.card.sm .tl,.card.sm .br{font-size:12px;top:3px;left:4px}
.card.sm .br{top:auto;left:auto;bottom:3px;right:4px}
.card.sm .mid{font-size:20px}
.card.fresh{animation:dealin .25s ease-out}
@keyframes dealin{from{transform:translate(40px,-60px) rotate(-12deg);opacity:0}to{transform:none;opacity:1}}
.hand{display:flex;padding-right:20px}
.hand .card{margin-right:-20px}
.hand.spread .card{margin-right:8px}

/* ---------- drill stage ---------- */
.stage{background:radial-gradient(ellipse at center,var(--felt) 0%,var(--felt2) 80%);border:1px solid #1f6b47;border-radius:16px;min-height:330px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px;position:relative;box-shadow:inset 0 0 60px #0007}
.stage .hint{color:#ffffffaa;font-size:18px;text-align:center}
.stage.ok{box-shadow:inset 0 0 0 4px var(--green),inset 0 0 60px #0007}
.stage.bad{box-shadow:inset 0 0 0 4px var(--red),inset 0 0 60px #0007}
.answers{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.answers .btn{min-width:84px;font-size:18px;background:#0007;border-color:#ffffff30}
.prog{color:#ffffffb0;font-size:14px}
.big-num{font-size:46px;font-weight:800;font-variant-numeric:tabular-nums}
.timer{position:absolute;top:12px;right:16px;font-variant-numeric:tabular-nums;color:#ffffffcc;font-size:18px}
.cardrow{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}
.label-sm{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#ffffffa0;text-align:center;margin-bottom:6px}
.feedback{min-height:26px;text-align:center;font-weight:600}
.feedback.ok{color:#8ef0b4}.feedback.bad{color:#ffb0aa}
.result{text-align:center}
.result .big-num{color:var(--gold2)}
.answer-input{display:flex;gap:8px;align-items:center}
.answer-input input{font-size:22px;width:120px;text-align:center}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;background:#0006;border:1px solid #ffffff22;font-size:13px}
svg.tray{display:block}

/* ---------- toast & modal ---------- */
#toasts{position:fixed;bottom:18px;right:18px;display:flex;flex-direction:column;gap:8px;z-index:100;max-width:380px}
.toast{background:var(--panel2);border:1px solid var(--line);border-left:4px solid var(--blue);padding:10px 14px;border-radius:10px;box-shadow:0 6px 20px #0008;animation:tin .2s}
.toast.ok{border-left-color:var(--green)} .toast.bad{border-left-color:var(--red)} .toast.gold{border-left-color:var(--gold)}
@keyframes tin{from{opacity:0;transform:translateY(10px)}}
#modal{position:fixed;inset:0;background:#000a;display:grid;place-items:center;z-index:90;padding:16px}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 24px;max-width:460px;width:100%;box-shadow:0 20px 60px #000}

/* ---------- course ---------- */
.level-path{display:flex;flex-direction:column;gap:10px}
.level{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;text-decoration:none;color:var(--text)}
.level:hover{border-color:var(--gold)}
.level .num{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:18px;background:#0006;border:2px solid var(--line);flex:none}
.level.done .num{background:var(--green);border-color:var(--green);color:#fff}
.level.next .num{border-color:var(--gold);color:var(--gold2)}
.level .body{flex:1;min-width:0}
.level .body p{margin:2px 0 0;color:var(--muted);font-size:14px}
.lesson{max-width:820px}
.lesson p,.lesson li{color:#d6e2d9}
.lesson .callout{border-left:4px solid var(--gold);background:#e3b04b12;padding:10px 14px;border-radius:0 10px 10px 0;margin:14px 0}
.lesson .callout.warn{border-color:var(--red);background:#e2554f12}
.quiz .q{margin:16px 0}
.quiz .opts{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.quiz .opt{text-align:left;justify-content:flex-start;font-weight:500}
.quiz .opt.right{border-color:var(--green);background:#2fb36b22}
.quiz .opt.wrong{border-color:var(--red);background:#e2554f22}
.quiz .why{font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- lesson pictures ---------- */
.lesson{font-size:17px;line-height:1.7}
.lesson h2{margin-top:1.6em}
.vis{margin:18px 0;padding:18px;border-radius:14px;background:radial-gradient(ellipse at center,var(--felt) 0%,var(--felt2) 90%);border:1px solid #1f6b47;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:inset 0 0 40px #0006}
.vis figcaption{color:#ffffffd0;font-size:15px;text-align:center;max-width:620px}
.vis-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
.vis-wrap{display:flex;gap:26px;flex-wrap:wrap;justify-content:center;align-items:flex-start}
.vis-group{display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:#0003}
.vis-group .gl{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:#ffffffb0;font-weight:700}
.vis-op{font-size:28px;font-weight:800;color:#fff}
.vis-count{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.vc{display:flex;flex-direction:column;align-items:center;gap:5px}
.vc-total{font-size:13px;color:#fff;background:#0007;padding:1px 8px;border-radius:10px;font-weight:700}
.vbadge{display:inline-block;min-width:38px;text-align:center;padding:2px 8px;border-radius:8px;font-weight:800;font-size:15px}
.vbadge.p{background:#2fb36b;color:#fff}.vbadge.n{background:#e2554f;color:#fff}.vbadge.z{background:#8a948d;color:#fff}
.big-badge{font-size:22px;font-weight:800;padding:6px 16px;border-radius:12px;background:#0007;color:#fff}
.big-badge.win{background:var(--green)}.big-badge.lose{background:var(--red)}.big-badge.gold{background:var(--gold);color:#222}
.word{border:1px dashed #4b9be388;background:#4b9be312;border-radius:10px;padding:10px 14px;margin:12px 0;font-size:16px}
.word b{color:#9ccaf5}
.moves{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:14px 0}
.move{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.move .em{font-size:34px}
.move b{display:block;font-size:17px;margin:4px 0}
.move span{font-size:14px;color:var(--muted)}
.chipv{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#c33;border:3px dashed #fffa;color:#fff;font-weight:800;font-size:12px;box-shadow:0 2px 4px #0008}
.chipv.g{background:#2a8f55}
.token{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--gold);color:#222;font-weight:800;font-size:12px;box-shadow:0 2px 3px #0008}
.deckbox{width:96px;min-height:120px;border:2px solid #f4f1e8aa;border-radius:10px;background:#ffffff14;display:flex;flex-wrap:wrap;gap:4px;align-content:flex-start;justify-content:center;padding:8px}
.ladder{display:flex;align-items:flex-end;gap:10px;height:190px;padding-top:10px}
.ladder .rung{display:flex;flex-direction:column;align-items:center;gap:4px;justify-content:flex-end;height:100%}
.ladder .barv{width:42px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--gold2),var(--gold))}
.ladder .rl{font-size:13px;color:#fff;font-weight:700}
.tsign{padding:14px 18px;border-radius:12px;border:3px solid;font-weight:800;text-align:center;letter-spacing:1px;min-width:220px}
.tsign.good{border-color:var(--green);color:#bff5d3;background:#2fb36b22}
.tsign.bad{border-color:var(--red);color:#ffc7c3;background:#e2554f22}
.simple-list{list-style:none;padding:0}
.simple-list li{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:8px 0;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.simple-list .num{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#222;display:grid;place-items:center;font-weight:800;flex:none}
.glossary dt{font-weight:800;font-size:18px;color:var(--gold2);margin-top:14px}
.glossary dd{margin:2px 0 0 0;color:#d6e2d9}
.glossary dd i{color:var(--muted)}

/* ---------- strategy chart ---------- */
table.chart{border-collapse:separate;border-spacing:2px;font-size:13px;font-weight:700}
table.chart th{color:var(--muted);padding:4px 6px;font-weight:700}
table.chart td{width:38px;height:28px;text-align:center;border-radius:4px;color:#10140f}
.cH{background:#e7e7e2}.cS{background:#f2d24b}.cD{background:#56b8f0}.cDs{background:#9bd9f9}.cP{background:#5fd18d}.cR{background:#f08a8a}.cRp{background:#f0b38a}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;margin:8px 0}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend b{display:inline-block;width:22px;height:16px;border-radius:3px;color:#111;font-size:11px;text-align:center}

/* ---------- practice table ---------- */
.felt{background:radial-gradient(ellipse at 50% 0%,#167a4f 0%,var(--felt) 45%,var(--felt2) 100%);border:10px solid #3b2414;border-radius:30px 30px 220px 220px / 30px 30px 120px 120px;padding:18px 18px 40px;position:relative;min-height:470px;box-shadow:inset 0 0 80px #0009,0 10px 30px #0008}
.felt-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.dealer-area{display:flex;flex-direction:column;align-items:center;gap:6px;min-height:150px}
.felt-msg{text-align:center;color:#ffffffc8;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin:10px 0}
.seats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.seat{min-width:120px;display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px;border-radius:14px;border:2px dashed transparent}
.seat.me{border-color:#f5cf7255;background:#0002}
.seat .name{font-size:12px;color:#ffffffb0;text-transform:uppercase;letter-spacing:1px}
.seat.me .name{color:var(--gold2)}
.thand{display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px;border-radius:10px}
.thand.active{background:#ffffff18;box-shadow:0 0 0 2px var(--gold)}
.total{font-size:12px;background:#000a;padding:1px 8px;border-radius:10px}
.chip{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff;border:3px dashed #fff9;background:#c33;box-shadow:0 2px 4px #0008}
.res{font-size:12px;font-weight:700;padding:1px 8px;border-radius:10px}
.res.win{background:var(--green)}.res.lose{background:var(--red)}.res.push{background:#777}.res.bj{background:var(--gold);color:#222}
.controls{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0}
.controls .btn{min-width:100px}
.bet-chips{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.bet-chips .btn{min-width:46px;border-radius:50%;height:46px;padding:0}
.bet-chips .btn.sel{background:var(--gold);color:#222}
.side{display:flex;flex-direction:column;align-items:center;gap:4px;color:#ffffffa0;font-size:11px;text-transform:uppercase;letter-spacing:1px}
.hud{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.table-layout{display:grid;grid-template-columns:1fr 290px;gap:16px}
@media (max-width:1100px){.table-layout{grid-template-columns:1fr}}
.log{max-height:260px;overflow:auto;font-size:13px}
.log div{padding:4px 0;border-bottom:1px solid var(--line)}
.switch{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--muted);padding:3px 0}

/* ---------- accounts, pro, pricing ---------- */
.tag.lock{background:#e3b04b22;color:var(--gold2)}
#nav a.nav-pro{color:var(--gold2);font-weight:700}
.price-card{text-align:center;position:relative;display:flex;flex-direction:column;gap:6px}
.price-card.best{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.price-card .tag{position:absolute;top:-10px;left:50%;transform:translateX(-50%)}
.price-card .price{font-size:38px;font-weight:800}
.price-card .price span{font-size:15px;color:var(--muted);font-weight:500}

/* ---------- phone layout ---------- */
@media (max-width:820px){
  #sidebar{padding-top:max(8px,env(safe-area-inset-top))}
  h1{font-size:23px}
  .lesson{font-size:16px}
  .panel{padding:14px}
  .stage{min-height:300px;padding:16px 10px}
  .card.lg{width:96px;height:134px}
  .card.lg .mid{font-size:44px}
  .card.lg .tl,.card.lg .br{font-size:21px}
  .answers .btn{min-width:72px;min-height:48px}
  .btn{min-height:42px}
  .big-num{font-size:36px}
  .felt{border-width:6px;border-radius:20px;padding:10px 6px 20px;min-height:0}
  .felt-top .side:first-child{display:none}
  .felt-top .side svg{width:90px;height:auto}
  .felt-msg{font-size:10px;letter-spacing:1px}
  .seat{min-width:0;padding:4px}
  .controls .btn{min-width:0;flex:1 1 30%}
  .bet-chips .btn{min-width:42px;height:42px}
  .table-layout{grid-template-columns:1fr}
  table.chart td{width:26px;height:24px;font-size:11px}
  table.chart th{padding:2px 3px;font-size:11px}
  .grid.g3 .panel{overflow-x:auto}
  table.data{display:block;overflow-x:auto}
  .vis{padding:12px 8px}
  .vis-wrap{gap:12px}
  .deckbox{width:78px}
  #toasts{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));max-width:none}
}
@media (hover:none) and (pointer:coarse){ kbd{display:none} }
.legal-check{display:block;line-height:1.5;margin:10px 0;font-size:14px;color:var(--text)}.legal-check input{margin:0 8px 0 0;vertical-align:-2px}.legal .caps{text-transform:none;font-size:14px;font-weight:600;line-height:1.6;background:#ffffff08;border-left:3px solid var(--gold);padding:10px 14px}