/* ============================================================
   BEAT THE DEALER — The Interactive Study
   Casino design system · cha0smagicklabs.com · MIT
   ============================================================ */

:root {
  --felt: #0f5132;
  --felt-dark: #0b3d2e;
  --felt-deep: #07281e;
  --wood: #4a2c17;
  --wood-light: #6b4423;
  --gold: #d4af37;
  --gold-bright: #f0cf6b;
  --cream: #f5ead6;
  --cream-dim: #cfc3a9;
  --ink: #141414;
  --red: #b3202c;
  --red-bright: #e0454f;
  --white: #ffffff;
  --chip-1: #e8e6e0;
  --chip-5: #c0392b;
  --chip-25: #1e8449;
  --chip-100: #17202a;
  --chip-500: #6c3483;
  --ok: #58d68d;
  --warn: #f5b041;
  --bad: #e74c3c;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  --radius: 14px;
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 700px at 50% -100px, #123f2e 0%, var(--felt-dark) 45%, #05130d 100%) fixed, var(--felt-deep);
  color: var(--cream);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--gold);
  color: var(--ink); padding: .5rem 1rem; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.2; color: var(--cream); }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); margin: .2em 0 .3em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 1.6em 0 .4em; }
h3 { font-size: 1.15rem; margin: 1.2em 0 .3em; color: var(--gold-bright); }
p { margin: .6em 0; }
a { color: var(--gold-bright); text-decoration: none; }
a:hover { text-decoration: underline; }
hr { border: 0; border-top: 1px solid rgba(212, 175, 55, .25); margin: 2rem 0; }
small { color: var(--cream-dim); }
code { background: rgba(0,0,0,.35); padding: .1em .4em; border-radius: 6px; font-size: .92em; }

:focus-visible { outline: 3px solid var(--gold-bright); outline-offset: 2px; border-radius: 4px; }

/* ---------------- Masthead ---------------- */
.masthead {
  background: linear-gradient(180deg, #1a1206 0%, #241809 100%);
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 4px 24px rgba(0,0,0,.6);
  position: sticky; top: 0; z-index: 50;
}
.marquee {
  display: flex; justify-content: center; gap: 18px;
  padding: 6px 0 0;
}
.bulb {
  width: 9px; height: 9px; border-radius: 50%;
  background: #5a4a1e; box-shadow: inset 0 0 3px #000;
}
.bulb.on { background: var(--gold-bright); box-shadow: 0 0 8px 2px rgba(240, 207, 107, .8); animation: bulb 1.6s infinite alternate; }
.bulb:nth-child(2n) { animation-delay: .8s; }
@keyframes bulb { from { opacity: .55; } to { opacity: 1; } }

.masthead-inner {
  max-width: 1180px; margin: 0 auto; padding: .6rem 1rem .7rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand:hover { text-decoration: none; }
.brand-badge {
  font-family: var(--serif); font-weight: 700; font-size: 1.35rem;
  background: radial-gradient(circle at 30% 30%, var(--red-bright), var(--red) 70%);
  color: var(--white); width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center;
  border: 2px solid var(--gold); box-shadow: var(--shadow);
}
.brand-text { display: flex; flex-direction: column; }
.brand-text strong { font-family: var(--serif); letter-spacing: .12em; font-size: 1.05rem; color: var(--gold-bright); }
.brand-text em { font-style: normal; font-size: .72rem; color: var(--cream-dim); letter-spacing: .04em; }

.topnav { display: flex; gap: .15rem; flex-wrap: wrap; margin-left: auto; }
.topnav a {
  color: var(--cream); padding: .35rem .6rem; border-radius: 8px; font-size: .88rem;
}
.topnav a:hover { background: rgba(212,175,55,.15); text-decoration: none; }
.topnav a.active { background: var(--gold); color: var(--ink); font-weight: 600; }

.xp-wrap { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; min-width: 130px; }
.xp-bar { width: 130px; height: 10px; background: rgba(0,0,0,.5); border-radius: 6px; border: 1px solid rgba(212,175,55,.4); overflow: hidden; }
.xp-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--gold), var(--gold-bright)); transition: width .4s; }
.xp-label { font-size: .7rem; color: var(--cream-dim); }

/* ---------------- Layout ---------------- */
#app { max-width: 1180px; margin: 0 auto; padding: 1.2rem 1rem 3rem; min-height: 60vh; }
.page-head { margin: 1rem 0 1.5rem; }
.kicker {
  display: inline-block; font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); border: 1px solid rgba(212,175,55,.5); padding: .2rem .7rem; border-radius: 999px;
  margin-bottom: .6rem; background: rgba(0,0,0,.25);
}
.lede { font-size: 1.08rem; color: var(--cream); max-width: 70ch; }
.byline { color: var(--cream-dim); font-size: .85rem; }

.grid { display: grid; gap: 1rem; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ---------------- Cards (UI panels) ---------------- */
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(0,0,0,.18));
  border: 1px solid rgba(212,175,55,.28);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.panel h3 { margin-top: 0; }
.panel.gold { border-color: var(--gold); background: linear-gradient(180deg, rgba(212,175,55,.12), rgba(0,0,0,.2)); }

.keyideas { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.keyidea { border-left: 4px solid var(--gold); padding: .5rem .8rem; background: rgba(0,0,0,.25); border-radius: 0 10px 10px 0; }
.keyidea strong { color: var(--gold-bright); display: block; margin-bottom: .15rem; }

.callout {
  border: 1px dashed rgba(212,175,55,.55); border-radius: var(--radius);
  padding: .8rem 1rem; background: rgba(212,175,55,.07); margin: 1rem 0;
}
.callout.warn { border-color: var(--warn); background: rgba(245,176,65,.08); }
.callout .tag { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: .25rem; }

/* ---------------- Buttons ---------------- */
.btn {
  font: inherit; cursor: pointer; border-radius: 10px; padding: .55rem 1.1rem;
  border: 1px solid rgba(212,175,55,.6); background: rgba(0,0,0,.35); color: var(--cream);
  transition: transform .06s, background .15s;
}
.btn:hover { background: rgba(212,175,55,.18); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(180deg, var(--gold-bright), var(--gold)); color: var(--ink); font-weight: 700; border-color: var(--gold); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { border-color: var(--bad); color: #ffb3ad; }
.btn.small { padding: .3rem .7rem; font-size: .85rem; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin: .8rem 0; }

.choice {
  display: block; width: 100%; text-align: left; margin: .4rem 0; font: inherit; cursor: pointer;
  background: rgba(0,0,0,.3); color: var(--cream); border: 1px solid rgba(212,175,55,.35);
  padding: .6rem .9rem; border-radius: 10px;
}
.choice:hover { border-color: var(--gold); background: rgba(212,175,55,.1); }
.choice.correct { border-color: var(--ok); background: rgba(88,214,141,.15); }
.choice.wrong { border-color: var(--bad); background: rgba(231,76,60,.15); }
.choice[disabled] { cursor: default; opacity: .9; }

/* ---------------- Playing cards ---------------- */
.pcard {
  width: 86px; height: 122px; border-radius: 9px; position: relative;
  perspective: 600px; display: inline-block; flex: none;
}
.pcard-inner {
  width: 100%; height: 100%; position: relative; transform-style: preserve-3d;
  transition: transform .45s cubic-bezier(.4, .2, .2, 1);
}
.pcard.flipped .pcard-inner { transform: rotateY(180deg); }
.pcard-face, .pcard-back {
  position: absolute; inset: 0; backface-visibility: hidden; border-radius: 9px;
  overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,.5);
  border: 1px solid rgba(0,0,0,.35);
}
.pcard-face { background: var(--white); }
.pcard-face img { width: 100%; height: 100%; display: block; }
.pcard-back {
  transform: rotateY(180deg);
  background:
    repeating-linear-gradient(45deg, #7a1f2b 0 6px, #5e1620 6px 12px),
    var(--red);
  border: 5px solid var(--white);
  box-shadow: inset 0 0 0 2px var(--red), 0 4px 12px rgba(0,0,0,.5);
}
.pcard.small { width: 62px; height: 88px; }
.pcard.mini { width: 48px; height: 68px; border-radius: 6px; }

.hand { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.hand-label { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cream-dim); margin-bottom: .3rem; }
.hand-total {
  font-family: var(--serif); font-weight: 700; font-size: 1.05rem; color: var(--gold-bright);
  background: rgba(0,0,0,.4); border: 1px solid rgba(212,175,55,.4); border-radius: 8px;
  padding: .05rem .55rem; margin-left: .5rem;
}

/* mini text-cards used inside prose */
.tcard {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.1em; padding: .05em .3em; margin: 0 .12em;
  background: var(--white); color: var(--ink); border-radius: 5px;
  font-weight: 700; font-family: var(--serif); box-shadow: 0 2px 5px rgba(0,0,0,.4);
  border: 1px solid #999;
}
.tcard.red { color: var(--red); }
.tcard.backcard { background: var(--red); color: transparent; border: 3px solid var(--white); box-shadow: inset 0 0 0 1px var(--red); }

/* ---------------- Casino table (SVG hero) ---------------- */
.table-hero { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 2px solid var(--gold); }
.table-hero svg { display: block; width: 100%; height: auto; }

/* ---------------- Chips ---------------- */
.chip {
  width: 46px; height: 46px; border-radius: 50%; position: relative; display: inline-block;
  border: 4px dashed rgba(255,255,255,.85); box-shadow: 0 3px 8px rgba(0,0,0,.5), inset 0 0 0 3px rgba(0,0,0,.18);
  display: inline-grid; place-items: center; font-weight: 800; font-size: .8rem; color: #fff; text-shadow: 0 1px 2px #000;
  flex: none;
}
.chip.c1 { background: var(--chip-1); color: #333; }
.chip.c5 { background: var(--chip-5); }
.chip.c25 { background: var(--chip-25); }
.chip.c100 { background: var(--chip-100); }
.chip.c500 { background: var(--chip-500); }
.chip-stack { display: inline-flex; }
.chip-stack .chip { margin-left: -14px; }
.chip-stack .chip:first-child { margin-left: 0; }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid rgba(212,175,55,.3); }
table.data { border-collapse: collapse; width: 100%; font-size: .9rem; background: rgba(0,0,0,.25); }
table.data th, table.data td { border: 1px solid rgba(212,175,55,.18); padding: .45rem .6rem; text-align: center; }
table.data th { background: rgba(212,175,55,.14); color: var(--gold-bright); font-family: var(--serif); }
table.data td.rowhead { background: rgba(0,0,0,.35); font-weight: 700; color: var(--cream); white-space: nowrap; }
table.data .H { color: #7fd8ff; font-weight: 700; }
table.data .S { color: var(--ok); font-weight: 700; }
table.data .D { color: var(--gold-bright); font-weight: 700; }
table.data .P { color: #ff9ff3; font-weight: 700; }
table.data .best { box-shadow: inset 0 0 0 2px var(--gold); }

/* ---------------- Labs ---------------- */
.lab-shell { display: grid; gap: 1rem; }
.lab-status { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.stat {
  background: rgba(0,0,0,.35); border: 1px solid rgba(212,175,55,.3); border-radius: 10px;
  padding: .35rem .8rem; min-width: 90px; text-align: center;
}
.stat .v { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--gold-bright); }
.stat .k { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cream-dim); }

.countboard { font-family: var(--serif); font-size: 1.4rem; color: var(--gold-bright); }
.speed { display: flex; align-items: center; gap: .5rem; }
input[type="range"] { accent-color: var(--gold); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--gold); }

.feedback { min-height: 1.6em; font-weight: 600; }
.feedback.good { color: var(--ok); }
.feedback.bad { color: var(--bad); }

.field { display: flex; flex-direction: column; gap: .25rem; margin: .5rem 0; }
.field label { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cream-dim); }
.field select, .field input[type="number"] {
  font: inherit; padding: .45rem .6rem; border-radius: 8px; border: 1px solid rgba(212,175,55,.4);
  background: rgba(0,0,0,.4); color: var(--cream);
}

/* ---------------- Timeline ---------------- */
.timeline { position: relative; margin: 1.5rem 0; padding-left: 1.6rem; border-left: 3px solid rgba(212,175,55,.4); }
.tl-item { position: relative; margin-bottom: 1.2rem; }
.tl-item::before {
  content: ""; position: absolute; left: -1.95rem; top: .45rem; width: 14px; height: 14px;
  background: var(--gold); border-radius: 50%; box-shadow: 0 0 8px rgba(212,175,55,.8);
}
.tl-year { font-family: var(--serif); font-weight: 700; color: var(--gold-bright); font-size: 1.1rem; }

/* ---------------- Quiz ---------------- */
.quiz-block { margin: 1.2rem 0; }
.quiz-q { font-weight: 600; margin: .4rem 0; }
.quiz-explain { border-left: 3px solid var(--gold); padding: .4rem .8rem; margin: .6rem 0; background: rgba(0,0,0,.25); border-radius: 0 8px 8px 0; font-size: .92rem; }
.score-pill { display: inline-block; background: rgba(0,0,0,.4); border: 1px solid rgba(212,175,55,.5); border-radius: 999px; padding: .15rem .8rem; font-size: .85rem; }

/* ---------------- Badges ---------------- */
.badges { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.badge {
  border: 1px solid rgba(212,175,55,.35); border-radius: 12px; padding: .7rem; text-align: center;
  background: rgba(0,0,0,.3); opacity: .45; filter: grayscale(.8);
}
.badge.won { opacity: 1; filter: none; border-color: var(--gold); box-shadow: 0 0 14px rgba(212,175,55,.35); }
.badge .ico { font-size: 1.6rem; display: block; }
.badge .nm { font-family: var(--serif); font-weight: 700; color: var(--gold-bright); font-size: .85rem; }
.badge .ds { font-size: .72rem; color: var(--cream-dim); }

/* ---------------- Chapter nav ---------------- */
.chapnav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.progress-note { font-size: .8rem; color: var(--cream-dim); }

/* ---------------- Glossary ---------------- */
.gloss-grid { columns: 2 340px; column-gap: 1.2rem; }
.gloss-item { break-inside: avoid; margin-bottom: .9rem; }
.gloss-item dt { font-family: var(--serif); font-weight: 700; color: var(--gold-bright); }
.gloss-item dd { margin: .1rem 0 0; font-size: .92rem; color: var(--cream); }
input.search {
  font: inherit; padding: .5rem .8rem; width: min(360px, 100%); border-radius: 999px;
  border: 1px solid rgba(212,175,55,.45); background: rgba(0,0,0,.4); color: var(--cream);
}

/* ---------------- Toast ---------------- */
#toast {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1c1408; color: var(--gold-bright); border: 1px solid var(--gold);
  padding: .6rem 1.2rem; border-radius: 999px; font-weight: 600; opacity: 0; pointer-events: none;
  transition: all .3s; z-index: 99; box-shadow: var(--shadow); max-width: 90vw; text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------------- Footer ---------------- */
.footer {
  border-top: 2px solid rgba(212,175,55,.4); background: rgba(0,0,0,.35);
  padding: 1.4rem 1rem 2rem; text-align: center; font-size: .88rem; color: var(--cream-dim);
}
.footer .fine { font-size: .75rem; opacity: .8; }

/* ---------------- Home hero extras ---------------- */
.hero-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1.4rem; align-items: center; }
@media (max-width: 860px) { .hero-split { grid-template-columns: 1fr; } }
.fan { display: flex; }
.fan .pcard { margin-left: -34px; transform-origin: 50% 120%; }
.fan .pcard:first-child { margin-left: 0; }
.fan .pcard:nth-child(1) { transform: rotate(-14deg); }
.fan .pcard:nth-child(2) { transform: rotate(-7deg); }
.fan .pcard:nth-child(3) { transform: rotate(0deg); }
.fan .pcard:nth-child(4) { transform: rotate(7deg); }
.fan .pcard:nth-child(5) { transform: rotate(14deg); }

.toc { display: grid; gap: .7rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.toc a {
  display: block; padding: .7rem .9rem; border: 1px solid rgba(212,175,55,.3); border-radius: 10px;
  background: rgba(0,0,0,.28);
}
.toc a:hover { border-color: var(--gold); text-decoration: none; background: rgba(212,175,55,.1); }
.toc .num { color: var(--gold); font-family: var(--serif); font-weight: 700; margin-right: .5rem; }
.toc .done { color: var(--ok); font-size: .8rem; }

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .pcard-inner { transition: none; }
}

/* ============================================================
   v2 — app shell, course cards, lab furniture (app.js era)
   ============================================================ */
main#app { max-width: 1100px; margin: 0 auto; padding: 1.4rem 1rem 3rem; min-height: 62vh; outline: none; }
.page { animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.home-hero { margin-bottom: 2rem; }
.page h1 { font-family: var(--serif); font-size: 1.9rem; margin: .2rem 0 .6rem; color: var(--gold-bright); }
.page h2 { font-family: var(--serif); margin: 2rem 0 .8rem; color: var(--gold-bright); border-bottom: 1px solid rgba(212,175,55,.25); padding-bottom: .3rem; }
.page h3 { font-family: var(--serif); margin: 1.4rem 0 .5rem; color: var(--cream); }

.prose p { margin: .7rem 0; }
.prose a { color: var(--gold-bright); }
.prose code { background: rgba(0,0,0,.4); border: 1px solid rgba(212,175,55,.25); border-radius: 5px; padding: .05rem .35rem; font-size: .88em; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .3rem 0; }

.keyideas { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .7rem; margin: 1.1rem 0; }

/* course & lab cards */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: .9rem; margin: 1rem 0 2rem; }
.card {
  display: flex; flex-direction: column; gap: .3rem; text-decoration: none; color: var(--cream);
  background: rgba(0,0,0,.32); border: 1px solid rgba(212,175,55,.3); border-radius: var(--radius);
  padding: 1rem 1.1rem; transition: border-color .15s, transform .12s, background .15s;
}
.card:hover { border-color: var(--gold); background: rgba(212,175,55,.08); text-decoration: none; transform: translateY(-2px); }
.card h3 { margin: .1rem 0; font-family: var(--serif); color: var(--gold-bright); font-size: 1.08rem; }
.card p { margin: 0; font-size: .88rem; color: var(--cream-dim); flex: 1; }
.card-num {
  font-family: var(--serif); font-weight: 700; font-size: .95rem; color: var(--ink);
  background: linear-gradient(180deg, var(--gold-bright), var(--gold)); border-radius: 8px;
  width: 1.7em; height: 1.7em; display: inline-grid; place-items: center; flex: none;
}
.card-num.big { font-size: 1.5rem; width: 2em; height: 2em; border-radius: 12px; margin-right: .4rem; }
.card-kicker { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); }
.card-ico { font-size: 1.5rem; line-height: 1; }
.card-ico.big { font-size: 2rem; margin-right: .4rem; }
.card-foot { font-size: .74rem; color: var(--cream-dim); border-top: 1px dashed rgba(212,175,55,.3); padding-top: .4rem; }
.chapter-card.done { border-color: rgba(88,214,141,.5); }
.chapter-card.done .card-foot { color: var(--ok); }

/* chapter page */
.chapter-head { margin-bottom: 1.2rem; }
.chapter-head h1 { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.quiz-wrap { margin-top: 2.2rem; }

/* labs: playable table furniture */
.felt-panel {
  background: radial-gradient(600px 240px at 50% 0%, var(--felt) 0%, var(--felt-dark) 80%);
  border: 2px solid var(--gold); border-radius: var(--radius); box-shadow: var(--shadow), inset 0 0 40px rgba(0,0,0,.5);
  padding: 1.1rem 1.2rem; margin: .8rem 0;
}
.hands-row { display: flex; gap: 1.1rem; flex-wrap: wrap; align-items: flex-start; }
.hand-box {
  border: 1px dashed rgba(212,175,55,.35); border-radius: 10px; padding: .6rem .7rem .3rem;
  background: rgba(0,0,0,.22);
}
.hand-box.active-hand { border: 2px solid var(--gold); box-shadow: 0 0 14px rgba(212,175,55,.3); }

/* composition dots */
.dot { cursor: pointer; margin: 0 1px; font-size: .95rem; user-select: none; }
.dot.on { color: var(--gold-bright); text-shadow: 0 0 6px rgba(240,207,107,.6); }
.dot.off { color: rgba(255,255,255,.16); }

/* probability lab panels */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.panel-tight { background: rgba(0,0,0,.28); border: 1px solid rgba(212,175,55,.3); border-radius: var(--radius); padding: .9rem 1rem; }
.field-row { display: flex; gap: .8rem; flex-wrap: wrap; }
.field-row label { display: flex; flex-direction: column; gap: .25rem; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cream-dim); }

/* strategy table EV cells + diff highlight */
table.data td.pos { color: var(--ok); font-weight: 700; }
table.data td.neg { color: var(--red-bright); }
table.data td.diff { box-shadow: inset 0 0 0 2px var(--gold); }
.stat.best { border-color: var(--gold); box-shadow: 0 0 12px rgba(212,175,55,.35); }
.score-pill.bad { border-color: var(--bad); color: #ffb3ad; }

/* glossary tags + misc */
.chip-tag {
  font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; vertical-align: middle;
  border: 1px solid rgba(212,175,55,.4); border-radius: 999px; padding: .05rem .5rem; color: var(--gold); margin-left: .35rem;
}
input.search { margin-bottom: 1.1rem; }

/* ============================================================
   v3 · i18n, pro tips, welcome modal, Pokerpedia, tutorial
   ============================================================ */

/* language switcher — native packs + Google overlay, flagcdn icons */
.lang-switcher { position: relative; align-self: center; }
.ls-btn {
  display: flex; align-items: center; gap: .45rem;
  background: rgba(0,0,0,.35); color: var(--cream);
  border: 1px solid rgba(212,175,55,.4); border-radius: 8px;
  font: 600 .78rem/1 var(--sans); padding: .5rem .6rem; cursor: pointer;
}
.ls-btn:hover { border-color: var(--gold); }
.ls-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }
.ls-flag {
  display: block; width: 21px; height: 14px; flex: none;
  border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.35);
}
.ls-caret { font-size: .6rem; opacity: .7; }
.ls-name { white-space: nowrap; }
.ls-panel {
  position: absolute; right: 0; top: calc(100% + .45rem); z-index: 120;
  min-width: 15rem; max-width: min(15rem, 84vw);
  max-height: min(26rem, 62vh); overflow: auto;
  background: linear-gradient(180deg, var(--felt-dark), var(--felt-deep));
  border: 1px solid rgba(212,175,55,.5); border-radius: 12px;
  box-shadow: var(--shadow); padding: .4rem;
}
.ls-head {
  position: sticky; top: 0; background: var(--felt-deep); z-index: 1;
  font-size: .62rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); padding: .55rem .55rem .3rem;
}
.ls-opt {
  display: flex; align-items: center; gap: .55rem; width: 100%;
  background: none; border: 0; border-radius: 8px; color: var(--cream);
  font: 500 .82rem/1.2 var(--sans); padding: .42rem .55rem;
  cursor: pointer; text-align: left;
}
.ls-opt:hover { background: rgba(212,175,55,.12); }
.ls-opt:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.ls-opt.current { background: rgba(212,175,55,.18); box-shadow: inset 0 0 0 1px rgba(212,175,55,.55); }
.ls-opt .ls-flag { width: 19px; height: 13px; }
.ls-tag {
  margin-left: auto; font-size: .6rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--gold);
}

/* hide the Google Translate chrome; the widget anchor lives offscreen */
.gte-anchor {
  position: fixed; left: -9999px; top: 0; width: 220px; height: 44px;
  overflow: hidden; opacity: 0; pointer-events: none;
}
.goog-te-banner-frame.skiptranslate, #goog-gt-tt, .goog-te-balloon-frame {
  display: none !important;
}
.goog-text-highlight { background: none !important; box-shadow: none !important; }
body { top: 0 !important; }

/* pro-tip callout */
.protip {
  margin: 1.6rem 0; padding: .95rem 1.1rem;
  background: linear-gradient(135deg, rgba(212,175,55,.12), rgba(212,175,55,.04));
  border: 1px solid rgba(212,175,55,.45); border-left: 4px solid var(--gold);
  border-radius: 10px; font-size: .95rem; line-height: 1.55;
}
.protip .pt-tag {
  font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  font-size: .68rem; color: var(--gold-bright); margin-right: .35rem;
}

/* welcome modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4, 12, 9, .78); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
  max-width: 520px; width: 100%; text-align: center;
  background: linear-gradient(160deg, var(--felt-dark), var(--felt-deep));
  border: 1px solid rgba(212,175,55,.55); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 2rem 1.6rem 1.4rem;
}
.modal h2 { margin-top: 0; color: var(--gold-bright); }
.modal p { color: var(--cream); line-height: 1.55; }
.modal .btn-row { justify-content: center; margin: 1.2rem 0 .6rem; }
.btn.ghost { background: transparent; border: 1px solid rgba(245,234,214,.3); color: var(--cream-dim); }
.btn.ghost:hover { border-color: var(--gold); color: var(--cream); }

/* pokerpedia */
.pillnav { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1.2rem 0 .4rem; }
.pill {
  background: rgba(0,0,0,.32); border: 1px solid rgba(212,175,55,.4); border-radius: 999px;
  color: var(--cream); font: 600 .8rem/1 var(--sans); padding: .5rem .95rem; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.pill:hover { border-color: var(--gold-bright); color: var(--gold-bright); }
.note { font-size: .85rem; color: var(--cream-dim); font-style: italic; margin-top: .2rem; }
.pk-scroll { overflow-x: auto; }
table.pk-hands td { vertical-align: top; }
.pk-rank { font-family: var(--serif); font-weight: 800; color: var(--gold); font-size: 1.05rem; white-space: nowrap; }
.pk-name { font-weight: 700; color: var(--gold-bright); white-space: nowrap; }
.pk-ex { white-space: nowrap; }
.pk-prob { white-space: nowrap; color: var(--ok); font-weight: 600; }
.pk-note { min-width: 220px; font-size: .85rem; color: var(--cream-dim); line-height: 1.45; }
.pk-nick { margin-top: 1rem; }
.pk-nick-card .pk-cards { font-size: 1.25rem; margin-bottom: .5rem; letter-spacing: .1em; }
.pk-nick-card h3 { font-size: .95rem; }
.pk-nick-card p { font-size: .84rem; color: var(--cream-dim); }

/* lore cards */
.lore-list { display: grid; gap: 1.2rem; margin-top: 1rem; }
.lore-card {
  background: rgba(0,0,0,.28); border: 1px solid rgba(212,175,55,.3);
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
}
.lore-when {
  display: inline-block; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--felt-deep); background: var(--gold); border-radius: 999px; padding: .18rem .7rem;
  font-weight: 800; margin-bottom: .5rem;
}
.lore-card h3 { margin: .2rem 0 .6rem; color: var(--gold-bright); }
.lore-card .prose p { color: var(--cream); }

/* tutorial path */
.tut-path { display: grid; gap: .9rem; margin: 1.4rem 0 2rem; }
.tut-step {
  display: flex; gap: 1rem; align-items: flex-start;
  background: rgba(0,0,0,.28); border: 1px solid rgba(212,175,55,.28);
  border-radius: var(--radius); padding: 1rem 1.2rem;
}
.tut-step.done { border-color: var(--ok); background: rgba(88, 214, 141, .07); }
.tut-num {
  flex: 0 0 2.1rem; height: 2.1rem; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; font-weight: 800; font-family: var(--serif);
  background: rgba(212,175,55,.18); color: var(--gold-bright); border: 1px solid rgba(212,175,55,.5);
}
.tut-step.done .tut-num { background: rgba(88,214,141,.15); color: var(--ok); border-color: var(--ok); }
.tut-body h3 { margin: .1rem 0 .35rem; }
.tut-body p { margin: 0 0 .6rem; color: var(--cream-dim); font-size: .92rem; line-height: 1.5; }
.tut-step.done .tut-body h3::after { content: " ✓"; color: var(--ok); }

/* ten pro tips grid */
.tips-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: .9rem; margin: 1rem 0 1.6rem; }
.tip-card {
  background: linear-gradient(135deg, rgba(212,175,55,.1), rgba(0,0,0,.25));
  border: 1px solid rgba(212,175,55,.35); border-radius: var(--radius); padding: .9rem 1rem;
}
.tip-card h3 { font-size: .9rem; margin: 0 0 .4rem; color: var(--gold-bright); }
.tip-card p { margin: 0; font-size: .84rem; color: var(--cream-dim); line-height: 1.5; }