/* --- Radar Container --- */
.radar-container {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 0;
}

@media (max-width: 860px) {
  .radar-container {
    grid-template-columns: 1fr;
  }
}

#tech-radar {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.radar-svg {
  width: 100%;
  height: auto;
  -webkit-user-select: none;
  user-select: none;
}

/* --- Tooltip --- */
.radar-tooltip {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #e8ecf1);
  border-radius: 10px;
  padding: 14px 16px;
  max-width: 300px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  transform: translateX(-50%) translateY(-100%);
  opacity: 0;
  transition: opacity 0.15s ease;
  display: none;
  font-family: Inter, system-ui, sans-serif;
}

.radar-tooltip.visible {
  opacity: 1;
}

.radar-tooltip-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.radar-tooltip-ring {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.radar-tooltip-quadrant {
  font-size: 11px;
  color: var(--text-muted, #94a3b8);
}

.radar-tooltip-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary, #1a1a2e);
  margin-bottom: 6px;
}

.radar-tooltip-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary, #64748b);
  margin-bottom: 8px;
}

.radar-tooltip-cta {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent, #6c5ce7);
}

/* --- Sidebar: Blip List --- */
.radar-sidebar {
  max-height: 700px;
  overflow-y: auto;
  padding-right: 8px;
}

.radar-sidebar::-webkit-scrollbar {
  width: 4px;
}

.radar-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-light, #e8ecf1);
  border-radius: 2px;
}

.radar-list-ring {
  margin-bottom: 1.5rem;
}

.radar-list-ring-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-light, #e8ecf1);
}

.radar-list-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.radar-list-item {
  margin-bottom: 8px;
}

.radar-list-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
  text-decoration: none;
  color: var(--text-primary, #1a1a2e);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s var(--transition);
}

.radar-list-link:hover {
  background: var(--accent-bg, rgba(108, 92, 231, 0.06));
}

.radar-list-id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.radar-list-name {
  flex: 1;
}

.moved-in {
  color: #10b981;
  font-size: 10px;
}

.moved-out {
  color: #ef4444;
  font-size: 10px;
}

/* --- Legend --- */
#radar-legend {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light, #e8ecf1);
}

.radar-legend-section h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted, #94a3b8);
  margin-bottom: 6px;
}

.radar-legend-section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.radar-legend-section li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary, #64748b);
  padding: 3px 0;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-symbol {
  width: 10px;
  text-align: center;
  flex-shrink: 0;
  font-size: 10px;
}

/* --- Radar Page Header --- */
.radar-header {
  text-align: center;
  margin-bottom: 2rem;
}

.radar-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.radar-header .radar-subtitle {
  font-size: 1rem;
  color: var(--text-secondary, #64748b);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.radar-header .radar-date {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 4px 12px;
  background: var(--accent-bg, rgba(108, 92, 231, 0.06));
  color: var(--accent, #6c5ce7);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* --- Quadrant Filter Buttons --- */
.radar-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.radar-filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--border-light, #e8ecf1);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary, #64748b);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: Inter, system-ui, sans-serif;
}

.radar-filter-btn:hover,
.radar-filter-btn.active {
  border-color: var(--accent, #6c5ce7);
  color: var(--accent, #6c5ce7);
  background: var(--accent-bg, rgba(108, 92, 231, 0.06));
}

.radar-filter-q0.active, .radar-filter-q0:hover { border-color: #6c5ce7; color: #6c5ce7; background: rgba(108,92,231,0.06); }
.radar-filter-q1.active, .radar-filter-q1:hover { border-color: #0ea5e9; color: #0ea5e9; background: rgba(14,165,233,0.06); }
.radar-filter-q2.active, .radar-filter-q2:hover { border-color: #f59e0b; color: #f59e0b; background: rgba(245,158,11,0.06); }
.radar-filter-q3.active, .radar-filter-q3:hover { border-color: #10b981; color: #10b981; background: rgba(16,185,129,0.06); }

.radar-filter-divider {
  display: inline-block;
  width: 1px;
  height: 20px;
  background: var(--border-light, #e8ecf1);
  margin: 0 4px;
  align-self: center;
}

/* --- Blip Detail Page --- */
.blip-detail {
  max-width: 720px;
  margin: 0 auto;
}

.blip-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.blip-ring-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.blip-quadrant-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-light, #e8ecf1);
  font-size: 12px;
  color: var(--text-secondary, #64748b);
}

.blip-moved-badge {
  font-size: 12px;
  font-weight: 500;
}

/* --- Dark Mode --- */
[data-theme="dark"] .radar-tooltip {
  background: var(--bg-card, #1e293b);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .radar-tooltip-name {
  color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .radar-list-link {
  color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .radar-list-link:hover {
  background: rgba(108, 92, 231, 0.12);
}

[data-theme="dark"] {
  --radar-ring-stroke: rgba(200, 200, 220, 0.1);
  --radar-axis: rgba(200, 200, 220, 0.12);
  --radar-ring-label: rgba(200, 200, 220, 0.35);
}

/* --- Blip Hover Interactions & Quadrant Color Enhancements --- */
.blip {
  outline: none;
}

.blip-shape {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.3s ease;
  transform-origin: center;
}

/* Hover & Focus states scale the blip strongly */
.blip:hover .blip-shape,
.blip:focus .blip-shape {
  transform: scale(1.6);
  z-index: 100;
}

/* Colored glowing drop-shadow per quadrant */
.blip-q0:hover .blip-shape, .blip-q0:focus .blip-shape {
  filter: drop-shadow(0 0 12px rgba(108, 92, 231, 0.8)) brightness(1.2);
}
.blip-q1:hover .blip-shape, .blip-q1:focus .blip-shape {
  filter: drop-shadow(0 0 12px rgba(14, 165, 233, 0.8)) brightness(1.2);
}
.blip-q2:hover .blip-shape, .blip-q2:focus .blip-shape {
  filter: drop-shadow(0 0 12px rgba(245, 158, 11, 0.8)) brightness(1.2);
}
.blip-q3:hover .blip-shape, .blip-q3:focus .blip-shape {
  filter: drop-shadow(0 0 12px rgba(16, 185, 129, 0.8)) brightness(1.2);
}

/* Sidebar ID enhancements */
.radar-list-id {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.radar-list-link:hover .radar-list-id {
  transform: scale(1.15);
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}