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

:root {
  --bg-dark: #050710;
  --bg-surface: #0c1220;
  --bg-card: #12182a;
  --text-primary: #ffffff;
  --text-secondary: #7a8599;
  --accent-blue: #2196f3;
  --accent-purple: #9c27b0;
  --border-color: rgba(100, 120, 160, 0.15);
  --glow-blue: rgba(33, 150, 243, 0.3);
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

.app-container {
  display: flex;
  height: 100vh;
  background: linear-gradient(135deg, #050710 0%, #0a0f1a 50%, #0c1225 100%);
}

/* Panel Styles */
.panel {
  width: 380px;
  min-width: 320px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-dark) 100%);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
}

.header {
  padding: 24px 20px 16px;
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(156, 39, 176, 0.1) 100%);
  border-bottom: 1px solid var(--border-color);
}

.title {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, #4fc3f7 0%, #ab47bc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Controls */
.controls {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.input-group input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  outline: none;
  transition: all 0.2s ease;
}

.input-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--glow-blue);
}

.input-group input::placeholder {
  color: var(--text-secondary);
}

.scan-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #2196f3 0%, #9c27b0 100%);
  border: none;
  border-radius: 10px;
  color: white;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.scan-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.4);
}

.scan-btn:active {
  transform: translateY(0);
}

.quick-access {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preset-btn {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  background: rgba(33, 150, 243, 0.15);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 16px;
}

.loading-state p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.radar-spinner {
  width: 60px;
  height: 60px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
}

.radar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #4fc3f7);
  transform-origin: left center;
  animation: sweep 1.5s linear infinite;
}

@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Error State */
.error-state {
  padding: 20px;
  text-align: center;
}

.error-message {
  background: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.3);
  border-radius: 10px;
  padding: 16px;
  color: #ff5252;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.retry-btn {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--accent-blue);
  border-radius: 8px;
  color: var(--accent-blue);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.retry-btn:hover {
  background: rgba(33, 150, 243, 0.1);
}

/* Stats Panel */
.stats-panel {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.article-title {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  transition: color 0.2s ease;
}

.article-title:hover {
  color: var(--accent-blue);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

.metric-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.category-section {
  margin-bottom: 20px;
}

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

.category-table th,
.category-table td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.category-table th {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.category-table td {
  font-size: 0.875rem;
  font-family: 'JetBrains Mono', monospace;
}

.category-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

/* Domain List */
.domains-section {
  flex: 1;
}

.domain-list {
  list-style: none;
  max-height: 300px;
  overflow-y: auto;
}

.domain-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.domain-item:hover {
  background: rgba(33, 150, 243, 0.1);
  border-color: var(--accent-blue);
}

.domain-item.highlighted {
  background: rgba(33, 150, 243, 0.2);
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px var(--glow-blue);
}

.domain-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.domain-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.domain-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.2s ease;
}

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

/* Canvas Container */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#radarCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Tooltip */
.tooltip {
  position: fixed;
  background: rgba(12, 18, 32, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: opacity 0.15s ease;
}

.tooltip.hidden {
  opacity: 0;
  visibility: hidden;
}

.tooltip-domain {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tooltip-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.tooltip-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Utility */
.hidden {
  display: none !important;
}

/* Scrollbar */
.stats-panel::-webkit-scrollbar,
.domain-list::-webkit-scrollbar {
  width: 6px;
}

.stats-panel::-webkit-scrollbar-track,
.domain-list::-webkit-scrollbar-track {
  background: transparent;
}

.stats-panel::-webkit-scrollbar-thumb,
.domain-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.stats-panel::-webkit-scrollbar-thumb:hover,
.domain-list::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 120, 160, 0.3);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column-reverse;
  }

  .panel {
    width: 100%;
    height: 45vh;
    border-right: none;
    border-top: 1px solid var(--border-color);
  }

  .canvas-container {
    height: 55vh;
  }

  .header {
    padding: 16px;
  }

  .title {
    font-size: 1.4rem;
  }

  .controls {
    padding: 12px 16px;
  }

  .input-group {
    flex-direction: column;
  }

  .scan-btn {
    width: 100%;
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .metric-card {
    padding: 10px 6px;
  }

  .metric-value {
    font-size: 1.2rem;
  }

  .metric-label {
    font-size: 0.6rem;
  }

  .stats-panel {
    padding: 16px;
  }

  .domain-list {
    max-height: 150px;
  }

  .tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .quick-access {
    display: none;
  }

  .panel {
    height: 50vh;
  }

  .canvas-container {
    height: 50vh;
  }
}