/* ============================================
   Application Layout & Page-Specific Styles
   ============================================ */

/* --- Full-screen pages (auth, age gate) --- */
.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-box {
  width: 100%;
  max-width: 400px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-high);
}

.auth-box .logo {
  text-align: center;
  margin-bottom: 24px;
}

.auth-box .logo h1 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.auth-box .logo .subtitle {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: 4px;
}

.auth-box form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-box .footer-link {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.error-text {
  color: var(--red);
  font-size: 0.8125rem;
  min-height: 1.2em;
}

/* --- Age Gate --- */
.age-gate-box {
  text-align: center;
  max-width: 480px;
}

.age-gate-box h1 {
  margin-bottom: 8px;
}

.age-gate-box p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.age-gate-box .btn-row {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.age-gate-box .btn-row .btn { min-width: 140px; }

.age-denied {
  color: var(--red);
  font-size: 0.875rem;
  margin-top: 16px;
}

/* --- App Shell --- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-header h2 {
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.sidebar-nav {
  flex: 1;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-primary);
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.nav-item.active {
  background: var(--bg-active);
  color: var(--text-primary);
}

.nav-item .nav-icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-separator {
  height: 1px;
  background: var(--border-subtle);
  margin: 8px 4px;
}

/* Sidebar footer (user info) */
.sidebar-user {
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-floating);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8125rem;
  color: #fff;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-info .username {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-info .user-role {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sidebar-user .btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.125rem;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.sidebar-user .btn-logout:hover { color: var(--red); }

/* Main content area */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top bar */
.topbar {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  flex-shrink: 0;
}

.topbar .page-title {
  font-size: 1rem;
  font-weight: 700;
}

.wallet-display {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wallet-balance {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
}

.wallet-balance .coin-icon {
  color: var(--yellow);
  font-size: 1rem;
}

/* Content area */
.content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* --- Slot Machine --- */
.slot-container {
  max-width: 560px;
  margin: 0 auto;
}

.slot-machine {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.slot-reels {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.reel {
  width: 90px;
  height: 100px;
  background: var(--bg-primary);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  transition: border-color var(--transition-med);
  overflow: hidden;
  position: relative;
}

.reel.spinning {
  border-color: var(--brand-primary);
}

.reel.spinning .reel-symbol {
  animation: reelSpin 0.12s steps(1) infinite;
}

@keyframes reelSpin {
  0% { content: ''; }
  25% { opacity: 0.7; transform: translateY(-4px); }
  50% { opacity: 1; transform: translateY(0); }
  75% { opacity: 0.7; transform: translateY(4px); }
}

.slot-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  margin-bottom: 16px;
}

.slot-cost {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.slot-cost span { color: var(--yellow); font-weight: 700; }

.spin-btn {
  margin-top: 20px;
  padding: 14px 48px;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  letter-spacing: 0.02em;
}

.slot-result {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius-md);
  animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.slot-result.win {
  background: rgba(35, 165, 89, 0.1);
  border: 1px solid var(--green);
}

.slot-result.loss {
  background: rgba(218, 55, 60, 0.06);
  border: 1px solid var(--border-subtle);
}

.slot-result .result-label {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.slot-result.win .result-label { color: var(--green); }
.slot-result.loss .result-label { color: var(--text-muted); }

.slot-result .result-detail {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Payout table */
.payout-table {
  margin-top: 24px;
}

.payout-table h3 {
  margin-bottom: 12px;
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* --- Deposit Page --- */
.deposit-container {
  max-width: 480px;
  margin: 0 auto;
}

.deposit-provider-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.provider-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.875rem;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
}

.provider-tab:hover { background: var(--bg-hover); }
.provider-tab.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.deposit-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.amount-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.amount-preset {
  padding: 6px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  font-weight: 600;
  transition: all var(--transition-fast);
}
.amount-preset:hover { border-color: var(--brand-primary); color: var(--text-primary); }
.amount-preset.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.conversion-preview {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.conversion-preview .silver-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--yellow);
}

.conversion-preview .rate-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Deposit history */
.deposit-history { margin-top: 32px; }
.deposit-history h3 {
  margin-bottom: 12px;
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- Inventory Page --- */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.inventory-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.inventory-card:hover { border-color: var(--border-strong); }

.inventory-card .item-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.inventory-card .item-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 4px;
}

.inventory-card .item-qty {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- History Page --- */
.history-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-chip {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
}
.filter-chip:hover { background: var(--bg-hover); }
.filter-chip.active { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); }

/* --- Admin Panel --- */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.stat-card .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-card .stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Admin tabs */
.admin-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-subtle);
  padding-bottom: 0;
}

.admin-tab {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-primary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}
.admin-tab:hover { color: var(--text-primary); }
.admin-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--brand-primary);
}

/* Admin user row */
.user-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}
.user-row:hover { background: var(--bg-hover); }
.user-row:last-child { border-bottom: none; }

.user-row .user-details { flex: 1; min-width: 0; }
.user-row .user-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination .btn { min-width: 32px; }
.pagination .page-info { font-size: 0.8125rem; color: var(--text-muted); }

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header h2,
  .nav-item span:not(.nav-icon),
  .user-info,
  .sidebar-user .btn-logout { display: none; }
  .nav-item { justify-content: center; padding: 10px; }
  .sidebar-user { justify-content: center; }
  .content { padding: 16px; }

  .slot-reels { gap: 8px; }
  .reel { width: 72px; height: 80px; font-size: 2rem; }

  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .inventory-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}