:root {
  --bg: #07060e;
  --bg-2: #0d0b18;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-solid: #141026;
  --line: rgba(255, 255, 255, 0.11);
  --ink: #f4f1ff;
  --muted: #a39ec2;
  --brand: #8b5cff;
  --brand-2: #22e3c3;
  --hot: #ff4d8d;
  --warn: #ffc24b;
  --ok: #2ee6a8;
  --radius: 16px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.9);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(139, 92, 255, 0.28), transparent 70%),
    radial-gradient(760px 460px at 92% 4%, rgba(34, 227, 195, 0.16), transparent 68%),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

h1, h2, h3 { line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 .5rem; }
h1 { font-size: clamp(2.1rem, 6vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3.6vw, 2.3rem); }
h3 { font-size: 1.1rem; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; color: var(--muted); }

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(560px, 100% - 2rem); margin-inline: auto; }

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 6, 14, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 1rem; padding: .8rem 0; }
.logo { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; letter-spacing: -0.04em; font-size: 1.15rem; text-decoration: none; }
.logo-mark {
  width: 1.75rem; height: 1.75rem; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--hot));
  font-size: .95rem; box-shadow: 0 0 24px -6px var(--brand);
}
.nav-spacer { flex: 1; }
.nav a.navlink { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .94rem; }
.nav a.navlink:hover { color: var(--ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .7rem 1.15rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); font: inherit; font-weight: 650;
  cursor: pointer; text-decoration: none; transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.25); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--hot)); border-color: transparent; box-shadow: 0 14px 34px -16px var(--brand); }
.btn-mint { background: linear-gradient(135deg, var(--brand-2), #37a0ff); border-color: transparent; color: #05231f; }
.btn-ghost { background: transparent; }
.btn-sm { padding: .42rem .8rem; font-size: .86rem; }
.btn-lg { padding: .95rem 1.6rem; font-size: 1.05rem; }
.btn-danger { background: transparent; border-color: rgba(255,77,141,.5); color: #ff95b7; }
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; }

/* ---------- surfaces ---------- */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow);
}
.card-solid { background: var(--panel-solid); }
.pill {
  display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .7rem; border-radius: 999px;
  border: 1px solid var(--line); font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.pill-pro { color: #ffe6b3; border-color: rgba(255,194,75,.45); background: rgba(255,194,75,.12); }
.pill-free { color: #cfc8ff; }
.pill-live { color: #0a2a22; background: var(--ok); border-color: transparent; }
.grid { display: grid; gap: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.tiny { font-size: .78rem; }
.center { text-align: center; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* ---------- forms ---------- */
label.field { display: block; margin-bottom: .85rem; }
label.field > span { display: block; font-size: .82rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin-bottom: .35rem; }
input, select, textarea {
  width: 100%; padding: .7rem .85rem; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35); color: var(--ink); font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(139,92,255,.6); outline-offset: 1px; border-color: transparent; }
select option { background: #15112a; }
.note { border-radius: 12px; padding: .7rem .9rem; font-size: .9rem; border: 1px solid var(--line); }
.note-err { background: rgba(255,77,141,.14); border-color: rgba(255,77,141,.45); color: #ffc6d8; }
.note-ok { background: rgba(46,230,168,.12); border-color: rgba(46,230,168,.4); color: #b6ffe6; }
.note-info { background: rgba(139,92,255,.12); border-color: rgba(139,92,255,.4); color: #ded3ff; }
.hidden { display: none !important; }

footer.foot { border-top: 1px solid var(--line); margin-top: 4rem; padding: 2rem 0 3rem; color: var(--muted); font-size: .88rem; }

/* ---------- landing ---------- */
.hero { padding: clamp(2.5rem, 7vw, 5.5rem) 0 2rem; display: grid; gap: 2.5rem; grid-template-columns: 1.05fr .95fr; align-items: center; }
.hero h1 span { background: linear-gradient(100deg, var(--brand-2), var(--brand) 55%, var(--hot)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(1rem, 2vw, 1.2rem); max-width: 34rem; }
.hero-art { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.hero-art img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-art .overlay-card {
  position: absolute; inset: auto .9rem .9rem .9rem; background: rgba(9,7,18,.84); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 14px; padding: .8rem .95rem; display: flex; align-items: center; gap: .8rem;
}
.qr-chip { width: 54px; height: 54px; border-radius: 10px; background: #fff; padding: 4px; flex: none; }
.qr-chip svg, .qr-chip img { width: 100%; height: 100%; display: block; }

.sect { padding: 3.2rem 0 1rem; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.step-n { font-size: .78rem; font-weight: 800; letter-spacing: .12em; color: var(--brand-2); }
.type-card { position: relative; }
.type-card .lock { position: absolute; top: 1rem; right: 1rem; }
.price { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.04em; }
.price small { font-size: .95rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
ul.ticks { list-style: none; padding: 0; margin: 0 0 1.2rem; }
ul.ticks li { padding: .3rem 0 .3rem 1.5rem; position: relative; color: var(--muted); font-size: .95rem; }
ul.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--brand-2); font-weight: 800; }
ul.ticks li.no::before { content: "—"; color: rgba(255,255,255,.3); }
.plan-pro { border-color: rgba(255,194,75,.4); background: linear-gradient(180deg, rgba(255,194,75,.08), var(--panel)); }

/* ---------- dashboard ---------- */
.game-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.game-row .meta { flex: 1; min-width: 12rem; }
.code-tag { font-weight: 800; letter-spacing: .22em; font-size: 1rem; }

/* ---------- host ---------- */
.host-grid { display: grid; grid-template-columns: 320px 1fr; gap: 1.2rem; align-items: start; }
.qr-box { background: #fff; border-radius: 14px; padding: .8rem; }
.qr-box svg, .qr-box img { width: 100%; height: auto; display: block; }
.bigcode { font-size: 2rem; font-weight: 800; letter-spacing: .3em; }
.bar { height: 2.1rem; border-radius: 8px; background: rgba(255,255,255,.08); overflow: hidden; position: relative; }
.bar > i { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--brand), var(--hot)); transition: width .4s ease; }
.bar.is-correct > i { background: linear-gradient(90deg, var(--ok), var(--brand-2)); }
.bar-row { display: grid; grid-template-columns: 1fr; gap: .25rem; margin-bottom: .7rem; }
.bar-label { display: flex; justify-content: space-between; gap: 1rem; font-size: .92rem; }
.q-text { font-size: clamp(1.3rem, 3.2vw, 2rem); font-weight: 750; letter-spacing: -0.03em; margin-bottom: 1rem; }
.lb { list-style: none; padding: 0; margin: 0; }
.lb li { display: flex; gap: .7rem; align-items: center; padding: .45rem 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.lb li b { margin-left: auto; }
.lb li .rk { width: 1.6rem; color: var(--muted); font-weight: 800; text-align: right; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { padding: .25rem .6rem; border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid var(--line); font-size: .82rem; }
.timer { font-variant-numeric: tabular-nums; font-weight: 800; }

/* ---------- play ---------- */
.answer-grid { display: grid; gap: .7rem; grid-template-columns: 1fr 1fr; }
.answer-grid.one { grid-template-columns: 1fr; }
.ans {
  padding: 1.1rem; border-radius: 14px; border: 1px solid var(--line); background: var(--panel);
  color: var(--ink); font: inherit; font-weight: 650; font-size: 1.02rem; text-align: left; cursor: pointer;
  min-height: 4.6rem; display: flex; align-items: center; gap: .6rem; transition: transform .1s ease;
}
.ans:hover:not(:disabled) { transform: translateY(-2px); border-color: rgba(255,255,255,.3); }
.ans:disabled { cursor: default; }
.ans .key { width: 1.7rem; height: 1.7rem; flex: none; border-radius: 7px; display: grid; place-items: center; font-size: .85rem; background: rgba(255,255,255,.12); }
.ans.a0 .key { background: var(--brand); } .ans.a1 .key { background: var(--brand-2); color: #05231f; }
.ans.a2 .key { background: var(--warn); color: #2b1d00; } .ans.a3 .key { background: var(--hot); }
.ans.picked { outline: 2px solid var(--brand); }
.ans.right { border-color: var(--ok); background: rgba(46,230,168,.14); }
.ans.wrong { opacity: .45; }
.score-fly { font-size: 2.6rem; font-weight: 800; letter-spacing: -.04em; }

@media (max-width: 900px) {
  .hero, .host-grid, .cols-3, .cols-2 { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
}
@media (max-width: 520px) {
  .answer-grid { grid-template-columns: 1fr; }
  .bigcode { font-size: 1.5rem; letter-spacing: .2em; }
}