/* PageSpeed Insights & Core Web Vitals Dashboard */
:root {
  --psi-bg: #ffffff;
  --psi-card-bg: rgba(255, 255, 255, 0.85);
  --psi-card-border: #e2e8f0;
  --psi-text: #1e293b;
  --psi-text-muted: #64748b;
  --psi-accent: #2563eb;
  --psi-good: #0cce6b;
  --psi-average: #ffa400;
  --psi-poor: #ff4e42;
  --psi-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
}

@media (prefers-color-scheme: dark) {
  :root {
    --psi-bg: #0f172a;
    --psi-card-bg: rgba(30, 41, 59, 0.7);
    --psi-card-border: #334155;
    --psi-text: #f8fafc;
    --psi-text-muted: #94a3b8;
    --psi-accent: #3b82f6;
    --psi-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
  }
}

.psi-dashboard-wrapper {
  max-width: 960px;
  margin: 48px auto;
  padding: 0 16px;
  font-family: inherit;
  box-sizing: border-box;
}

.psi-header {
  text-align: center;
  margin-bottom: 32px;
}

.psi-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--psi-text);
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.psi-subtitle {
  font-size: 15px;
  color: var(--psi-text-muted);
  margin: 0;
}

.psi-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  background: var(--psi-card-bg);
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid var(--psi-card-border);
  box-shadow: var(--psi-shadow);
  backdrop-filter: blur(10px);
}

.psi-tabs {
  display: flex;
  gap: 8px;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px;
  border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
  .psi-tabs {
    background: rgba(255, 255, 255, 0.06);
  }
}

.psi-tab-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--psi-text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.psi-tab-btn:hover {
  color: var(--psi-text);
}

.psi-tab-btn.active {
  background: var(--psi-bg);
  color: var(--psi-text);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.psi-strategy-toggle {
  display: flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px;
  border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
  .psi-strategy-toggle {
    background: rgba(255, 255, 255, 0.06);
  }
}

.psi-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--psi-text-muted);
  margin-bottom: 20px;
  padding: 0 4px;
}

.psi-live-link {
  color: var(--psi-accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s ease;
}

.psi-live-link:hover {
  text-decoration: underline;
  opacity: 0.85;
}

/* Category Scores Gauges */
.psi-scores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

@media (max-width: 640px) {
  .psi-scores-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.psi-gauge-card {
  background: var(--psi-card-bg);
  border: 1px solid var(--psi-card-border);
  border-radius: 16px;
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--psi-shadow);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.psi-gauge-card:hover {
  transform: translateY(-2px);
}

.psi-gauge-svg-wrapper {
  position: relative;
  width: 96px;
  height: 96px;
  margin: 0 auto 12px auto;
}

.psi-gauge-svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.psi-gauge-bg {
  fill: none;
  stroke: rgba(148, 163, 184, 0.2);
  stroke-width: 8;
}

.psi-gauge-meter {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.4s ease;
}

.psi-gauge-score {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 26px;
  font-weight: 700;
}

.psi-gauge-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--psi-text);
  margin-top: 4px;
}

/* Core Web Vitals */
/* Historical Trend Section */
.psi-history-section {
  background: var(--psi-card-bg);
  border: 1px solid var(--psi-card-border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--psi-shadow);
  backdrop-filter: blur(10px);
}

.psi-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--psi-card-border);
}

.psi-history-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--psi-text);
  margin: 0 0 4px 0;
}

.psi-history-subtitle {
  font-size: 13px;
  color: var(--psi-text-muted);
  margin: 0;
}

.psi-metric-tabs {
  display: flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.04);
  padding: 4px;
  border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
  .psi-metric-tabs {
    background: rgba(255, 255, 255, 0.05);
  }
}

.psi-metric-btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--psi-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.psi-metric-btn:hover {
  color: var(--psi-text);
}

.psi-metric-btn.active {
  background: var(--psi-bg);
  color: var(--psi-accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.psi-chart-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.psi-stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--psi-card-border);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
}

@media (prefers-color-scheme: dark) {
  .psi-stat-pill {
    background: rgba(255, 255, 255, 0.03);
  }
}

.psi-stat-label {
  color: var(--psi-text-muted);
  font-size: 12px;
}

.psi-stat-val {
  color: var(--psi-text);
  font-weight: 700;
}

.trend-up {
  color: var(--psi-good) !important;
}

.trend-down {
  color: var(--psi-poor) !important;
}

.trend-flat {
  color: var(--psi-text-muted) !important;
}

.psi-chart-svg-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-top: 8px;
}

.psi-trend-svg {
  width: 100%;
  height: 220px;
  overflow: visible;
}

.psi-chart-grid {
  stroke: var(--psi-card-border);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  opacity: 0.7;
}

.psi-chart-axis-label {
  font-size: 11px;
  fill: var(--psi-text-muted);
  font-family: inherit;
}

.psi-chart-date-label {
  font-size: 11px;
  fill: var(--psi-text-muted);
  font-family: inherit;
}

.psi-chart-line {
  fill: none;
  stroke: var(--psi-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.psi-chart-point-group {
  cursor: pointer;
}

.psi-chart-dot {
  fill: var(--psi-bg);
  stroke: var(--psi-accent);
  stroke-width: 3;
  transition: all 0.2s ease;
}

.psi-chart-dot-ring {
  fill: var(--psi-accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.psi-chart-point-group:hover .psi-chart-dot {
  r: 6.5;
  fill: var(--psi-accent);
  stroke: #ffffff;
}

.psi-chart-point-group:hover .psi-chart-dot-ring {
  opacity: 0.25;
}

.psi-chart-tooltip {
  position: absolute;
  z-index: 50;
  pointer-events: none;
  background: var(--psi-bg);
  border: 1px solid var(--psi-card-border);
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
  font-size: 12px;
  color: var(--psi-text);
  min-width: 170px;
  transition: left 0.05s ease, top 0.05s ease;
}

.psi-tip-date {
  font-size: 11px;
  color: var(--psi-text-muted);
  margin-bottom: 4px;
  border-bottom: 1px solid var(--psi-card-border);
  padding-bottom: 4px;
}

.psi-tip-main {
  font-size: 13px;
  font-weight: 700;
  color: var(--psi-accent);
  margin-bottom: 6px;
}

.psi-tip-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 3px;
  color: var(--psi-text-muted);
  font-size: 11px;
}

.psi-tip-row strong {
  color: var(--psi-text);
}

.psi-chart-empty {
  text-align: center;
  padding: 36px 16px;
  color: var(--psi-text-muted);
}

.psi-chart-empty-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.psi-chart-empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--psi-text);
  margin-bottom: 6px;
}

.psi-chart-empty-desc {
  font-size: 13px;
  max-width: 420px;
  margin: 0 auto;
}

.psi-vitals-section {
  background: var(--psi-card-bg);
  border: 1px solid var(--psi-card-border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--psi-shadow);
  backdrop-filter: blur(10px);
}

.psi-vitals-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--psi-card-border);
}

.psi-vitals-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--psi-text);
  margin: 0;
}

.psi-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--psi-text-muted);
}

.psi-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.psi-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.psi-vitals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.psi-vital-card {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--psi-card-border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  .psi-vital-card {
    background: rgba(255, 255, 255, 0.03);
  }
}

.psi-vital-metric {
  font-size: 12px;
  font-weight: 600;
  color: var(--psi-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.psi-vital-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--psi-text);
  margin-bottom: 4px;
}

.psi-vital-desc {
  font-size: 12px;
  color: var(--psi-text-muted);
}

/* Status colors */
.score-good {
  color: var(--psi-good) !important;
  stroke: var(--psi-good) !important;
}

.score-average {
  color: var(--psi-average) !important;
  stroke: var(--psi-average) !important;
}

.score-poor {
  color: var(--psi-poor) !important;
  stroke: var(--psi-poor) !important;
}

.dot-good { background: var(--psi-good); }
.dot-average { background: var(--psi-average); }
.dot-poor { background: var(--psi-poor); }

/* ==========================================================================
   Continuous Broken Link & 404 Sentinel Dashboard Styles
   ========================================================================== */

.sentinel-section {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.sentinel-card {
  background: var(--psi-card-bg);
  border: 1px solid var(--psi-card-border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--psi-shadow);
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
}

.sentinel-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--psi-card-border);
}

.sentinel-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--psi-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sentinel-subtitle {
  font-size: 13px;
  color: var(--psi-text-muted);
  margin-top: 4px;
}

.sentinel-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}

.sentinel-pill-clean {
  background: rgba(12, 206, 107, 0.12);
  color: #0cce6b;
  border: 1px solid rgba(12, 206, 107, 0.25);
}

.sentinel-pill-fault {
  background: rgba(255, 78, 66, 0.12);
  color: #ff4e42;
  border: 1px solid rgba(255, 78, 66, 0.25);
}

.sentinel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.sentinel-site-card {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--psi-card-border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  .sentinel-site-card {
    background: rgba(255, 255, 255, 0.03);
  }
}

.sentinel-site-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--psi-text);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.sentinel-site-meta {
  font-size: 13px;
  color: var(--psi-text-muted);
}

.sentinel-table-wrapper {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--psi-card-border);
  margin-top: 16px;
}

.sentinel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.sentinel-table th {
  background: rgba(0, 0, 0, 0.04);
  color: var(--psi-text);
  padding: 10px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--psi-card-border);
}

@media (prefers-color-scheme: dark) {
  .sentinel-table th {
    background: rgba(255, 255, 255, 0.05);
  }
}

.sentinel-table td {
  padding: 10px 14px;
  color: var(--psi-text);
  border-bottom: 1px solid var(--psi-card-border);
  word-break: break-all;
}

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

.sentinel-tag-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.tag-404 {
  background: rgba(255, 78, 66, 0.15);
  color: #ff4e42;
}

.tag-500 {
  background: rgba(255, 164, 0, 0.15);
  color: #ffa400;
}

.sentinel-clean-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(12, 206, 107, 0.08);
  border: 1px solid rgba(12, 206, 107, 0.2);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--psi-text);
  font-size: 14px;
}

/* Content Popularity & Views Dashboard */
.popularity-tables-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}

@media (max-width: 820px) {
  .popularity-tables-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.popularity-column {
  background: var(--psi-card-bg);
  border: 1px solid var(--psi-card-border);
  border-radius: 12px;
  padding: 18px;
}

.popularity-badge-views {
  display: inline-block;
  background: rgba(37, 99, 235, 0.12);
  color: var(--psi-accent);
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12px;
}

@media (prefers-color-scheme: dark) {
  .popularity-badge-views {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
  }
}

html {
  scroll-behavior: smooth;
}

#pagespeed-section,
#broken-links-section,
#popularity-section {
  scroll-margin-top: 80px;
}