:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-gold: #f59e0b;
  --accent-blue: #38bdf8;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --border-color: #334155;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
}

header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.logo-icon {
  font-size: 2rem;
}

.logo-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
}

.logo-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.auth-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-box input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  width: 220px;
}

.nav-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
  gap: 0.5rem;
  overflow-x: auto;
}

.nav-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-tab:hover {
  color: #fff;
}

.nav-tab.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
  font-weight: 600;
}

main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Common UI */
.btn {
  background: var(--accent-gold);
  color: #000;
  border: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: #fff;
}

.btn-success {
  background: var(--accent-green);
  color: #fff;
}

.search-bar-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.search-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: #fff;
  border-radius: 6px;
}

.category-chips {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.chip {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
}

.chip.active {
  background: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
  font-weight: 600;
}

/* Results */
.result-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.result-card:hover {
  border-color: var(--accent-gold);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.card-badges {
  display: flex;
  gap: 0.5rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.badge-blue { background: #0369a1; color: #e0f2fe; }
.badge-green { background: #065f46; color: #d1fae5; }
.badge-yellow { background: #854d0e; color: #fef9c3; }
.badge-red { background: #991b1b; color: #fee2e2; }

.card-snippet {
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--accent-gold);
  padding: 0.75rem 1rem;
  margin: 0.75rem 0;
  font-family: inherit;
  font-size: 0.95rem;
  color: #e2e8f0;
  white-space: pre-wrap;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Status Cards Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* Table styles */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  overflow: hidden;
}

.data-table th, .data-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-tertiary);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  justify-content: center;
  align-items: center;
}

.modal-backdrop.open {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

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

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.close-btn:hover {
  color: #fff;
}

/* Conversation Transcript */
.message-bubble {
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.message-bubble.user {
  background: #1e3a8a;
  border-left: 4px solid var(--accent-blue);
}

.message-bubble.assistant {
  background: var(--bg-tertiary);
  border-left: 4px solid var(--accent-gold);
}

.bubble-author {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #cbd5e1;
}

.bubble-text {
  font-size: 0.95rem;
  white-space: pre-wrap;
}