/* Top Relays by Activity Card Grid */
.top-relays-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  width: 100%;
}

.relay-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
  border: 1px solid #e3e8f0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
.relay-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.14);
  border-color: #b6c2d9;
}
.relay-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.relay-rank {
  font-size: 1.1rem;
  font-weight: 700;
  color: #007bff;
}
.relay-status {
  font-size: 0.95rem;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
}
.status-badge {
  padding: 0.25em 0.75em;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
}
.status-badge svg {
  width: 1.2em;
  height: 1.2em;
  display: inline-block;
  vertical-align: middle;
  margin: 0;
}
.status-badge.online {
  background: #e6f9e6;
  color: #1a7f37;
  border: 1px solid #b6e6b6;
}
.status-badge.online svg {
  color: #1a7f37;
  fill: #1a7f37;
}
.status-badge.offline {
  background: #fbeaea;
  color: #c0392b;
  border: 1px solid #f5b7b1;
}
.status-badge.offline svg {
  color: #c0392b;
  fill: #c0392b;
}
.relay-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.relay-url {
  font-family: 'Fira Mono', 'Menlo', 'Monaco', monospace;
  font-size: 1.02rem;
  color: #222;
  flex: 1 1 220px;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.relay-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1.25rem;
  font-size: 1rem;
  color: #222;
  width: 100%;
}
.relay-metrics div {
  background: #f6f8fa;
  border-radius: 6px;
  padding: 0.4em 0.7em;
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

@media (max-width: 900px) {
  .top-relays-grid {
    gap: 1.25rem;
  }

  .relay-card {
    padding: 1.35rem 1.1rem;
  }

  .relay-card-row {
    gap: 0.85rem 1.1rem;
  }
}

@media (max-width: 640px) {
  .relay-card-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .relay-status {
    justify-content: flex-start;
  }

  .relay-value-col {
    align-items: flex-start;
  }

  .relay-value {
    text-align: left;
  }

  .relay-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .top-relays-grid {
    grid-template-columns: 1fr;
  }

  .relay-card {
    padding: 1.2rem;
  }

  .relay-url {
    font-size: 0.95rem;
  }
}

/* Modern relay card justified layout fix */
.relay-card-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem 1.5rem;
  width: 100%;
}
.relay-label-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
  min-width: 0;
  flex: 1 1 140px;
}
.relay-value-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.7rem;
  flex: 1 1 160px;
  min-width: 0;
}
.relay-label {
  font-size: 1rem;
  color: #888;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-align: left;
}
.relay-value {
  font-size: 1.08rem;
  color: #222;
  font-weight: 600;
  word-break: break-all;
  text-align: right;
  overflow-wrap: anywhere;
}

.relay-kind-label {
  display: inline-block;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relay-kind-count {
  display: inline-block;
  margin-left: 0.4rem;
  font-size: 0.75rem;
  color: #64748b;
  font-weight: 500;
}

/* Statistics Page Styles */

.statistics-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.stats-tabs {
  display: flex;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}

.stats-tab {
  border: none;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: #475569;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.stats-tab:hover {
  background: rgba(148, 163, 184, 0.18);
  color: #0f172a;
}

.stats-tab.active {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 10px 15px -10px rgba(15, 23, 42, 0.4);
}

.stats-tab svg {
  width: 1em;
  height: 1em;
}

.tab-panels {
  margin-top: 1.75rem;
}

.tab-panel {
  display: none;
  animation: fadeIn 180ms ease;
}

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

.tab-panel[hidden] {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Controls */
.controls-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-weight: 600;
  color: #495057;
}

.filter-select {
  padding: 0.5rem 1rem;
  border: 1px solid #ced4da;
  border-radius: 4px;
  background: white;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.filter-select:hover {
  border-color: #80bdff;
}

.filter-select:focus {
  outline: none;
  border-color: #80bdff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.refresh-button {
  padding: 0.5rem 1.5rem;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.refresh-button:hover {
  background: #0056b3;
}

.refresh-button:active {
  transform: scale(0.98);
}

/* Sections */
.stats-section {
  margin-bottom: 3rem;
}

.stats-section h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: #212529;
  border-bottom: 3px solid #007bff;
  padding-bottom: 0.5rem;
}

.stats-section h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #495057;
}

/* Network Overview Cards */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-icon {
  font-size: 2.5rem;
  min-width: 60px;
  text-align: center;
}

.stat-icon .icon {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-block;
  fill: currentColor;
}

.statistics-container .icon {
  display: inline-block;
  fill: currentColor;
  vertical-align: middle;
}

.stats-section h2 .icon {
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.4rem;
}

.refresh-button .icon {
  width: 1rem;
  height: 1rem;
  margin-right: 0.5rem;
}

.disc-label .icon,
.latency-type .icon,
.status-label .icon {
  width: 1rem;
  height: 1rem;
  margin-right: 0.4rem;
}

.stat-content {
  flex: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: #6c757d;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #212529;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-value.excellent {
  color: #28a745;
}

.stat-value.good {
  color: #17a2b8;
}

.stat-value.fair {
  color: #ffc107;
}

.stat-value.poor {
  color: #dc3545;
}

.stat-subtext {
  font-size: 0.85rem;
  color: #6c757d;
}

.loading {
  color: #6c757d;
  font-style: italic;
}

/* Network Analytics */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.analytics-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Relay Performance */
.relay-performance-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.performance-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.perf-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #495057;
}

.perf-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #212529;
}

.perf-bar {
  height: 8px;
  background: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
}

.perf-bar-fill {
  height: 100%;
  transition: width 0.5s ease;
  border-radius: 4px;
}

.perf-bar-fill.high {
  background: linear-gradient(90deg, #28a745, #20c997);
}

.perf-bar-fill.medium {
  background: linear-gradient(90deg, #17a2b8, #6610f2);
}

.perf-bar-fill.low {
  background: linear-gradient(90deg, #ffc107, #fd7e14);
}

.perf-bar-fill.minimal {
  background: linear-gradient(90deg, #6c757d, #495057);
}

/* Relay Discovery Grid */
.relay-discovery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.discovery-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #007bff;
}

.disc-label {
  font-size: 0.9rem;
  color: #495057;
  font-weight: 600;
}

.disc-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #212529;
}

/* Latency Display */
.latency-display {
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.latency-value {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.latency-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

.latency-breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.latency-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background: white;
  border-radius: 6px;
  border-left: 3px solid #007bff;
}

.latency-type {
  font-size: 0.85rem;
  color: #6c757d;
  font-weight: 600;
}

.latency-time {
  font-size: 1.1rem;
  font-weight: 700;
  color: #212529;
}

.latency-relay {
  font-size: 0.75rem;
  color: #6c757d;
  margin-top: 0.25rem;
  word-break: break-all;
  line-height: 1.3;
}

/* Charts */
.chart-container {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  height: 400px;
  margin-bottom: 1rem;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.chart-container.chart-small {
  height: 350px;
  max-width: 400px;
  width: 100%;
}

.chart-container.chart-large {
  max-width: 700px;
  width: 100%;
}

.chart-legend {
  text-align: center;
  color: #6c757d;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Distribution */
.distribution-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 968px) {
  .distribution-container {
    grid-template-columns: 1fr;
  }
}

/* Kinds Table */
.kinds-table-container {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
}

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

.kinds-distribution-table thead {
  background: #f8f9fa;
}

.kinds-distribution-table th {
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
}

.kinds-distribution-table td {
  padding: 0.75rem;
  border-bottom: 1px solid #dee2e6;
}

.kinds-distribution-table tbody tr:hover {
  background: #f8f9fa;
}

.distribution-bar {
  height: 20px;
  background: #e9ecef;
  border-radius: 10px;
  overflow: hidden;
  min-width: 100px;
}

.distribution-fill {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  transition: width 0.5s ease;
  border-radius: 10px;
}

/* Top Relays Table */
.top-relays-container {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
}

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

.top-relays-table thead {
  background: #f8f9fa;
}

.top-relays-table th {
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
}

.top-relays-table td {
  padding: 0.75rem;
  border-bottom: 1px solid #dee2e6;
}

.top-relays-table tbody tr:hover {
  background: #f8f9fa;
}

.top-relays-table code {
  font-size: 0.85rem;
  color: #e83e8c;
  background: #f8f9fa;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Monaco', 'Courier New', monospace;
}

.top-relays-table .text-center {
  text-align: center;
}

.top-relays-table .text-right {
  text-align: right;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
}

.status-badge svg {
  width: 1.2em;
  height: 1.2em;
  display: inline-block;
  vertical-align: middle;
  margin: 0;
}

.status-badge.online {
  background: #d4edda;
  color: #155724;
}

.status-badge.online svg {
  color: #1a7f37;
  fill: #1a7f37;
}

.status-badge.offline {
  background: #f8d7da;
  color: #721c24;
}

.status-badge.offline svg {
  color: #c0392b;
  fill: #c0392b;
}

/* Connection Status */
.connection-status {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.status-message {
  text-align: center;
  color: #6c757d;
  font-size: 1.1rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: #f8f9fa;
  border-radius: 8px;
  cursor: help;
  transition: all 0.2s ease;
  position: relative;
}

.status-item:hover {
  background: #e9ecef;
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.status-label {
  font-weight: 600;
  color: #495057;
}

.status-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #212529;
}

.status-progress {
  height: 12px;
  background: #e9ecef;
  border-radius: 6px;
  overflow: hidden;
  grid-column: 1 / -1;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  transition: width 0.5s ease;
  border-radius: 6px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .statistics-container {
    padding: 1rem 0.5rem;
  }

  .stats-connection-block {
    padding: 1.25rem;
  }

  .stats-connection-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-tabs {
    gap: 0.5rem;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .latency-value {
    font-size: 2rem;
  }

  .chart-container {
    height: 300px;
    padding: 1rem;
  }

  .controls-container {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select,
  .refresh-button {
    width: 100%;
  }
}

/* Very small screens: keep metrics legible without forcing horizontal scroll */
@media (max-width: 576px) {
  .relay-card-row {
    gap: 0.85rem;
    align-items: flex-start;
  }

  .relay-value-col,
  .relay-label-col {
    padding-right: 0;
  }

  .relay-value {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .relay-url {
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  .distribution-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
  }
  .chart-small, .chart-large {
    max-width: 100%;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .chart-container {
    padding: 0;
    margin-bottom: 1.2rem;
  }
  .chart-small, .chart-large {
    max-width: 100vw;
    width: 100vw;
    min-width: 0;
  }
  canvas {
    max-width: 100vw !important;
    min-width: 0 !important;
  }
}

/* Animations */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes events-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Print Styles */
@media print {
  .controls-container,
  .refresh-button {
    display: none;
  }

  .statistics-container {
    max-width: 100%;
  }

  .stat-card,
  .analytics-card,
  .chart-container,
  .top-relays-container,
  .kinds-table-container {
    box-shadow: none;
    border: 1px solid #dee2e6;
    page-break-inside: avoid;
  }
}