:root {
  --bg-dark: #0f172a;
  --panel-bg: rgba(30, 41, 59, 0.7);
  --panel-border: rgba(255, 255, 255, 0.1);
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 16px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(6, 182, 212, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.main-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  flex: 1;
}

.hero-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.search-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  margin-bottom: 2.5rem;
}

.search-form {
  display: flex;
  gap: 12px;
}

.search-input {
  flex: 1;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.btn {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.9rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  opacity: 0.95;
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.3);
}

.btn:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  box-shadow: none;
}

.samples-group {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.chip:hover {
  background: rgba(6, 182, 212, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.metric-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.metric-title {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-best {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-good {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.badge-average {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-poor {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-none {
  background: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.sync-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.sync-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--panel-border);
}

.sync-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.sync-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.sync-status-badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.sync-info-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.sync-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sync-info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.sync-info-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.table-container {
  overflow-x: auto;
}

.custom-fields-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.custom-fields-table th {
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--panel-border);
}

.custom-fields-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #f1f5f9;
}

.custom-fields-table tr:last-child td {
  border-bottom: none;
}

.custom-fields-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.field-name-cell {
  font-weight: 600;
  color: var(--accent-cyan);
}

.action-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-tag-created {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.action-tag-updated {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.tabs-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 8px;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.batch-textarea {
  width: 100%;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1rem;
  color: #fff;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s;
}

.batch-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.progress-bar-container {
  width: 100%;
  height: 10px;
  background: rgba(15, 23, 42, 0.8);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  margin-bottom: 1.5rem;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--success));
  border-radius: 6px;
  transition: width 0.3s ease;
}

.status-tag-pending {
  background: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.status-tag-processing {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-tag-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-tag-failed {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.json-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.json-header {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

pre {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1rem;
  color: #a5f3fc;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  max-height: 350px;
}

.hidden {
  display: none !important;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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