:root {
  --game-navy-950: #051423;
  --game-navy-900: #0a2540;
  --game-navy-800: #0e2f52;
  --game-green: #0e9f6e;
  --game-green-dark: #0a7a55;
  --game-green-deep: #07503a;
  --game-signal: #35d49d;
  --game-paper: #fbfcfd;
  --game-mist: #eef3f7;
  --game-ink: #1c2b3a;
  --game-muted: #5a6b7a;
  --game-line: #e3e9ee;
  --game-red: #b42318;
  --game-amber: #9a6700;
}

.game-main {
  background:
    radial-gradient(900px 420px at 90% 0%, rgba(53, 212, 157, 0.13), transparent 58%),
    linear-gradient(180deg, var(--game-navy-950), var(--game-navy-900) 430px, var(--game-paper) 431px);
  min-height: 100vh;
}

.game-shell {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem) 5rem;
}

.game-topbar {
  align-items: center;
  border-bottom: 1px solid rgba(185, 201, 216, 0.16);
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
}

.game-brand {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.game-brand span { color: var(--game-signal); }

.game-language { color: #d7e4ee; font-weight: 700; text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px; }

/* Visible keyboard focus for game controls */
.game-button:focus-visible, .game-form input:focus-visible,
.stock-pick select:focus-visible, .stock-pick input:focus-visible,
.game-table-wrap:focus-visible { outline: 3px solid var(--game-green-dark); outline-offset: 2px; }
.game-language:focus-visible { outline: 3px solid var(--game-signal); outline-offset: 2px; }

.game-hero { color: #fff; padding: clamp(2.8rem, 7vw, 5.5rem) 0 3rem; }
.game-eyebrow { color: var(--game-signal); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; }
.game-hero h1 { font-size: clamp(2.6rem, 7vw, 5.4rem); letter-spacing: -0.03em; line-height: 0.98; margin: 0.6rem 0 1rem; max-width: 11ch; }
.game-hero p { color: #c9dae8; font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.6; max-width: 44rem; }

.game-demo-banner,
.game-notice {
  border: 1px solid rgba(53, 212, 157, 0.45);
  border-radius: 16px;
  margin: 1rem 0;
  padding: 1rem 1.2rem;
}

.game-demo-banner { background: #fff3cd; border-color: #e3a008; color: #5f3900; font-weight: 800; }
.game-notice { background: rgba(255, 255, 255, 0.08); color: #e8f3ee; }
.game-notice.error { background: #fff1f0; border-color: #f1b8b2; color: var(--game-red); }
.game-notice.success { background: #eefaf4; border-color: #8ed9b8; color: #075e3a; }

.game-status-grid,
.game-layout {
  display: grid;
  gap: 1.2rem;
}

.game-status-grid { grid-template-columns: repeat(3, 1fr); margin: 1.5rem 0; }
.game-layout { align-items: start; grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.85fr); }

.game-card {
  background: #fff;
  border: 1px solid var(--game-line);
  border-radius: 26px;
  box-shadow: 0 18px 42px -30px rgba(5, 20, 35, 0.35);
  padding: clamp(1.3rem, 3vw, 2rem);
}

.game-card.dark { background: var(--game-navy-950); border-color: rgba(185, 201, 216, 0.16); color: #fff; }
.game-card h2, .game-card h3 { color: var(--game-navy-900); letter-spacing: -0.015em; margin-top: 0; }
.game-card.dark h2, .game-card.dark h3 { color: #fff; }
.game-card p { color: var(--game-muted); }
.game-card.dark p { color: #b9c9d8; }

.game-stat-label { color: var(--game-muted); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
.game-stat-value { color: var(--game-navy-900); font-size: clamp(1.7rem, 4vw, 2.7rem); font-weight: 800; line-height: 1.05; margin-top: 0.35rem; }
.dark .game-stat-value { color: #fff; }

.game-form { display: grid; gap: 1rem; }
.game-form label { color: var(--game-navy-900); display: grid; font-weight: 750; gap: 0.4rem; }
.game-form input[type="email"],
.game-form input[type="text"] {
  border: 1px solid #cbd6df;
  border-radius: 999px;
  font: inherit;
  min-height: 3.2rem;
  padding: 0.75rem 1.1rem;
  width: 100%;
}

.game-button {
  background: var(--game-green-dark);
  border: 1.5px solid var(--game-green-dark);
  border-radius: 999px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  min-height: 3rem;
  padding: 0.72rem 1.35rem;
}
.game-button:hover { background: var(--game-green-deep); border-color: var(--game-green-deep); }
.game-button.secondary { background: transparent; color: var(--game-navy-900); }
.game-button.secondary:hover { background: var(--game-navy-900); color: #fff; }
.game-button.danger { background: #fff; border-color: #d66; color: var(--game-red); }
.game-button:disabled { cursor: not-allowed; opacity: 0.48; }
.game-button-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.game-universe { display: grid; gap: 0.8rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stock-pick {
  align-items: center;
  border: 1px solid var(--game-line);
  border-radius: 18px;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: auto 1fr auto;
  padding: 0.9rem;
}
.stock-pick.selected { border-color: var(--game-green); box-shadow: 0 0 0 2px rgba(14, 159, 110, 0.14); }
.stock-symbol { color: var(--game-navy-900); font-size: 1.05rem; font-weight: 850; }
.stock-price { color: var(--game-muted); display: block; font-size: 0.86rem; }
.stock-pick input[type="checkbox"] { height: 1.5rem; width: 1.5rem; accent-color: var(--game-green-dark); }
.stock-pick select {
  border: 1px solid #cbd6df;
  border-radius: 999px;
  font: inherit;
  font-weight: 750;
  min-height: 2.75rem;
  padding: 0.35rem 0.6rem;
}

.game-total { align-items: center; background: var(--game-mist); border-radius: 16px; display: flex; justify-content: space-between; padding: 1rem; }
.game-total strong { color: var(--game-navy-900); font-size: 1.35rem; }
.game-total.invalid strong { color: var(--game-red); }
.game-total.valid strong { color: #087443; }

.game-table-wrap { overflow-x: auto; scrollbar-width: thin; border-radius: 12px;
  box-shadow: inset -18px 0 18px -18px rgba(5, 20, 35, 0.35); }
.game-table { border-collapse: collapse; min-width: 560px; width: 100%; }
.game-table th, .game-table td { border-bottom: 1px solid var(--game-line); padding: 0.8rem 0.65rem; text-align: left; vertical-align: top; }
.game-table th { color: var(--game-muted); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; }
.game-table td { color: var(--game-ink); }
.return-positive { color: #087443; font-weight: 800; }
.return-negative { color: var(--game-red); font-weight: 800; }
.pick-list { color: var(--game-muted); font-size: 0.9rem; }

.game-empty { border: 1px dashed #b8c5cf; border-radius: 18px; color: var(--game-muted); padding: 1.2rem; text-align: center; }
.game-disclaimer { background: #eefaf4; border-radius: 18px; color: #24473a; padding: 1rem 1.2rem; }
.game-footer { color: var(--game-muted); font-size: 0.92rem; padding: 2rem 0 0; }
[hidden] { display: none !important; }

@media (max-width: 820px) {
  .game-status-grid, .game-layout, .game-universe { grid-template-columns: 1fr; }
  .game-table { min-width: 500px; }
}