/* ==========================================================================
   GASTERUS v3 — LAYOUT SYSTEM
   Header, Navigation, Sidebar, Page Container, Footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: 64px;
  display: flex;
  align-items: center;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-logo .logo-badge {
  background: var(--brand-gold);
  color: var(--text-inverse);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

/* Top Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-primary);
}

/* Header User / Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* User Balance Pill */
.balance-pill {
  display: flex;
  align-items: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  gap: var(--space-2);
  font-size: 0.875rem;
}

.balance-pill .balance-amount {
  font-weight: 700;
  color: var(--text-gold);
}

/* Main Content Wrapper */
.app-main {
  flex: 1;
  padding-block: var(--space-6);
}

/* Ticker / Running Info */
.info-ticker {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding-block: var(--space-2);
  font-size: 0.85rem;
  overflow: hidden;
  white-space: nowrap;
}

/* Footer */
.app-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--space-8);
  margin-top: auto;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-6);
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--brand-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-4);
  text-align: center;
  color: var(--text-muted);
}