:root {
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --text-primary: #e4e4f0;
  --text-secondary: #a0a0b8;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --pool-badge: linear-gradient(135deg, #6366f1, #8b5cf6);
  --user-badge: linear-gradient(135deg, #10b981, #34d399);
  --border-color: rgba(99, 102, 241, 0.2);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-info {
  display: flex;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  align-items: center;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-secondary);
  padding: 0.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  width: fit-content;
}

.nav-tab {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-primary);
}

.nav-tab.active {
  background: var(--accent-primary);
  color: white;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-title svg {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

.card-body {
  padding: 0;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 1rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 1rem 1.5rem;
  font-size: 0.925rem;
  border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(99, 102, 241, 0.05);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-pool {
  background: var(--pool-badge);
  color: white;
}

.badge-user {
  background: var(--user-badge);
  color: white;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

/* Money Display */
.money {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 600;
}

.money-positive {
  color: var(--success);
}

.money-neutral {
  color: var(--text-primary);
}

/* Account Number */
.account-number {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Loading State */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.75rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Refresh Button */
.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--accent-primary);
  border-radius: 8px;
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-refresh:hover {
  background: var(--accent-primary);
  color: white;
}

.btn-refresh svg {
  width: 16px;
  height: 16px;
}

/* HTMX Loading Indicator */
.htmx-indicator {
  opacity: 0;
  transition: opacity 200ms ease-in;
}

.htmx-request .htmx-indicator {
  opacity: 1;
}

.htmx-request.htmx-indicator {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .header-info {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  th, td {
    padding: 0.75rem 1rem;
  }
}