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

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-card: #1c1c1f;
  --bg-hover: #232326;
  --border-color: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.5;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
}

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

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

header {
  text-align: center;
  padding: 32px 0 40px;
}

header h1 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  color: var(--text-primary);
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-box {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 0 16px;
}

.search-box input#domain {
  padding: 12px 16px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  width: 320px;
  transition: all 0.2s ease;
}

.search-box input#domain::placeholder {
  color: var(--text-muted);
}

.search-box input#domain:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

.search-box select {
  padding: 12px 16px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  min-width: 100px;
  transition: all 0.2s ease;
}

.search-box select:focus {
  outline: none;
  border-color: var(--accent);
}

.search-box button {
  padding: 12px 24px;
  font-size: 0.9rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.search-box button:hover {
  background: var(--accent-hover);
}

.search-box button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stat-item.resolved .stat-icon {
  background: var(--success-bg);
  color: var(--success);
}

.stat-item.failed .stat-icon {
  background: var(--error-bg);
  color: var(--error);
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}

.stat-item.resolved .stat-value {
  color: var(--success);
}

.stat-item.failed .stat-value {
  color: var(--error);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.loading {
  text-align: center;
  padding: 80px 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

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

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

.results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}

.result-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.result-card:hover {
  background: var(--bg-tertiary);
  border-color: #3f3f46;
}

.result-card.success {
  border-left: 3px solid var(--success);
}

.result-card.error {
  border-left: 3px solid var(--error);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.server-info h3 {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.server-info .location {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.server-info .ip {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  margin-top: 2px;
}

.status-badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-badge.success {
  background: var(--success-bg);
  color: var(--success);
}

.status-badge.error {
  background: var(--error-bg);
  color: var(--error);
}

.result-records {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
  border: 1px solid var(--border-color);
}

.result-records code {
  color: var(--accent);
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  word-break: break-all;
}

.result-records code.error-text {
  color: var(--error);
}

.response-time {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 8px;
  text-align: right;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.country-flag {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
}

.country-dropdown {
  position: relative;
  min-width: 200px;
}

.country-selected {
  padding: 12px 16px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: all 0.2s ease;
}

.country-selected:hover {
  border-color: var(--accent);
}

.country-selected img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
}

.country-selected span {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.country-options-wrapper {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  z-index: 1000;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.country-dropdown.open .country-options-wrapper {
  display: block;
}

.country-option.hidden {
  display: none;
}

.country-search {
  width: 100%;
  padding: 10px 16px;
  font-size: 0.9rem;
  border: none;
  border-bottom: 1px solid var(--border-color);
  border-radius: 8px 8px 0 0;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  outline: none;
  box-sizing: border-box;
}

.country-search::placeholder {
  color: var(--text-muted);
}

.country-options {
  max-height: 250px;
  overflow-y: auto;
}

.country-dropdown.open .country-options {
  display: block;
}

.country-option {
  padding: 10px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  transition: background 0.15s ease;
}

.country-option:hover {
  background: var(--bg-hover);
}

.country-option.selected {
  background: var(--bg-tertiary);
}

.country-option img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
}

.country-option .count {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-left: auto;
}

.result-card.pending {
  border-left-color: var(--border-color);
  opacity: 0.7;
}

.result-card.loading {
  border-left-color: var(--accent);
}

.status-badge.pending {
  background: rgba(113, 113, 122, 0.2);
  color: var(--text-muted);
}

.status-badge.loading {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent);
}

.result-records code.placeholder {
  color: var(--text-muted);
}

.view-toggle {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 20px;
  position: relative;
}

.view-btn {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-btn:first-child {
  border-radius: 8px 0 0 8px;
}

.view-btn:nth-child(3) {
  border-radius: 0 8px 8px 0;
}

.view-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.export-menu {
  position: absolute;
  top: 100%;
  right: 50%;
  transform: translateX(50%);
  margin-top: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.export-menu button {
  display: block;
  width: 100%;
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  font-size: 14px;
}

.export-menu button:hover {
  background: var(--bg-hover);
}

.map-container {
  width: 100%;
  height: 600px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

#map {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
}

.leaflet-popup-content-wrapper {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.leaflet-popup-tip {
  background: var(--bg-secondary);
}

.leaflet-popup-content {
  margin: 12px;
}

.map-popup-title {
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.map-popup-title img {
  width: 18px;
  height: 12px;
  border-radius: 2px;
}

.map-popup-location {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.map-popup-ip {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: monospace;
}

.map-popup-status {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.map-popup-status.success {
  color: var(--success);
}

.map-popup-status.error {
  color: var(--error);
}

.map-tooltip {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  padding: 0;
}

.map-tooltip .leaflet-tooltip-content {
  padding: 12px;
}

.leaflet-tooltip-top:before {
  border-top-color: var(--bg-secondary);
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  header {
    padding: 32px 0 24px;
  }

  header h1 {
    font-size: 1.5rem;
  }
  
  .search-box {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box input {
    width: 100%;
  }

  .search-box select,
  .search-box button {
    width: 100%;
  }
  
  .country-dropdown {
    width: 100%;
  }
  
  .country-selected {
    width: 100%;
  }
  
  .stats {
    flex-direction: column;
    gap: 8px;
  }
  
  .results {
    grid-template-columns: 1fr;
  }
  
  .view-toggle {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .view-btn {
    flex: 1;
    min-width: 60px;
    border-radius: 8px !important;
  }
  
  .export-menu {
    right: 0;
    transform: none;
    left: 0;
    margin: 8px 16px;
  }
  
  .top-nav {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
  
  .nav-links a {
    padding: 8px 12px;
    font-size: 0.9rem;
  }
  
  .map-container {
    height: 400px;
  }
  
  #map {
    height: 400px;
  }
  
  .result-card {
    padding: 16px;
  }
  
  .result-card h3 {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.25rem;
  }
  
  header p {
    font-size: 0.9rem;
  }
  
  .stat-item {
    padding: 12px;
  }
  
  .stat-value {
    font-size: 1.25rem;
  }
  
  .nav-links a {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}