:root {
  --bg-dark: #0a0e17;
  --bg-panel: #111827;
  --bg-card: #1a2234;
  --gold: #c9a227;
  --gold-light: #e8c547;
  --blue: #1e3a5f;
  --blue-light: #2d5a8a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(201, 162, 39, 0.22);
  --success: #22c55e;
  --danger: #ef4444;
  --tier-s: #ffd700;
  --tier-a: #c0c0c0;
  --tier-b: #cd7f32;
  --tier-c: #6b8cae;
  --tier-d: #8b7355;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: rgba(17, 24, 39, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(201, 162, 39, 0.25);
}

.brand strong {
  display: block;
  font-family: 'Cinzel', serif;
  color: var(--gold-light);
  font-size: 1.05rem;
}

.brand span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.site-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold-light);
  background: rgba(201, 162, 39, 0.12);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 3rem;
}

.hero-copy h1 {
  font-family: 'Cinzel', serif;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.08;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.hero-copy p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-card {
  padding: 1.5rem;
  border-radius: 20px;
  background:
    radial-gradient(circle at top, rgba(201, 162, 39, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(26, 34, 52, 0.96), rgba(17, 24, 39, 0.98));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card img {
  width: min(100%, 280px);
  display: block;
  margin: 0 auto 1rem;
  border-radius: 18px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stat-pill {
  padding: 0.85rem;
  border-radius: 14px;
  background: rgba(10, 14, 23, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.stat-pill strong {
  display: block;
  color: var(--gold-light);
  font-size: 1.1rem;
}

.stat-pill span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.section-title {
  font-family: 'Cinzel', serif;
  color: var(--gold-light);
  font-size: 1.6rem;
  margin-bottom: 0.35rem;
}

.section-sub {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.feature-grid,
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.feature-card,
.info-card,
.panel {
  padding: 1.25rem;
  border-radius: 16px;
  background: rgba(26, 34, 52, 0.88);
  border: 1px solid var(--border);
}

.feature-card h3,
.info-card h3,
.panel h3 {
  color: var(--gold-light);
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.feature-card p,
.info-card p,
.panel p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  color: #111;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--gold-light);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.page-head {
  margin-bottom: 1.5rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.input,
.select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 14, 23, 0.75);
  color: var(--text);
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.table-wrap {
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.72);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th, td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(10, 14, 23, 0.45);
}

td { font-size: 0.92rem; }

.tier-badge {
  display: inline-block;
  min-width: 1.6rem;
  text-align: center;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  color: #111;
}

.tier-s { background: var(--tier-s); }
.tier-a { background: var(--tier-a); }
.tier-b { background: var(--tier-b); }
.tier-c { background: var(--tier-c); }
.tier-d { background: var(--tier-d); }

.change-up { color: var(--success); font-weight: 700; }
.change-down { color: var(--danger); font-weight: 700; }
.change-flat { color: var(--text-muted); }

.market-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1.25rem;
}

.trade-list {
  display: grid;
  gap: 0.75rem;
}

.trade-card {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(26, 34, 52, 0.88);
  border: 1px solid var(--border);
}

.trade-card-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.trade-card strong {
  color: var(--gold-light);
}

.trade-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.trade-tag {
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
}

.account-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.account-stat {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(10, 14, 23, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.account-stat span {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
}

.account-stat strong {
  color: var(--gold-light);
  font-size: 1.15rem;
}

.message {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.message.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.message.success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #86efac;
}

.hidden { display: none !important; }

.loading {
  color: var(--text-muted);
  padding: 2rem 0;
}

.site-footer {
  padding: 2rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
}

.site-footer strong { color: var(--gold-light); }
.footer-meta { margin-top: 0.35rem; font-size: 0.85rem; }

@media (max-width: 900px) {
  .hero,
  .feature-grid,
  .info-grid,
  .market-layout,
  .account-layout {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-main {
    width: min(100%, calc(100% - 1rem));
  }

  .site-header {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    justify-content: center;
  }
}