/* ===== Radial Orbital Timeline ===== */

/* Container */
.orbital-container {
  position: relative;
  width: 100%;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Orbit area */
.orbital-area {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Central nucleus */
.orbital-nucleus {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, #6366f1, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: orbital-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.4);
}

.orbital-nucleus-inner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

.orbital-ring-ping {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(139, 92, 246, 0.25);
  animation: orbital-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.orbital-ring-ping--1 {
  width: 80px;
  height: 80px;
  opacity: 0.7;
}

.orbital-ring-ping--2 {
  width: 96px;
  height: 96px;
  opacity: 0.5;
  animation-delay: 0.6s;
}

/* Orbit ring */
.orbital-ring {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(139, 92, 246, 0.12);
}

/* Node */
.orbital-node {
  position: absolute;
  cursor: pointer;
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 5;
}

.orbital-node-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(139, 92, 246, 0.35);
  background: white;
  color: #8b5cf6;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.orbital-node-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.orbital-node:hover .orbital-node-icon {
  border-color: #8b5cf6;
  transform: scale(1.15);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.25);
}

.orbital-node.active .orbital-node-icon {
  background: #8b5cf6;
  color: white;
  border-color: #8b5cf6;
  transform: scale(1.4);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.4);
}

.orbital-node.related .orbital-node-icon {
  background: rgba(139, 92, 246, 0.15);
  border-color: #8b5cf6;
  animation: orbital-pulse 1.5s ease infinite;
}

/* Node energy glow */
.orbital-node-glow {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0) 70%);
  pointer-events: none;
}

/* Node label */
.orbital-node-label {
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #64748b;
  transition: all 0.3s ease;
}

.orbital-node:hover .orbital-node-label,
.orbital-node.active .orbital-node-label {
  color: #1e293b;
}

.orbital-node.active .orbital-node-label {
  transform: translateX(-50%) scale(1.1);
}

/* Expanded card */
.orbital-card {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  background: white;
  border-radius: 1.25rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1), 0 0 30px rgba(139, 92, 246, 0.08);
  overflow: visible;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(10px);
  transition: all 0.3s ease;
}

.orbital-node.active .orbital-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.orbital-card-connector {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 12px;
  background: linear-gradient(to bottom, transparent, #8b5cf6);
}

.orbital-card-header {
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.orbital-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.orbital-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.orbital-card-badge--completed {
  background: #8b5cf6;
  color: white;
}

.orbital-card-badge--in-progress {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.orbital-card-badge--pending {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.orbital-card-date {
  font-size: 11px;
  font-family: 'Courier New', monospace;
  color: #94a3b8;
}

.orbital-card-title {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
}

.orbital-card-content {
  padding: 0 16px 16px;
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
}

/* Energy bar */
.orbital-energy {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.orbital-energy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  margin-bottom: 6px;
  color: #64748b;
}

.orbital-energy-label {
  display: flex;
  align-items: center;
  gap: 4px;
}

.orbital-energy-value {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: #0f172a;
}

.orbital-energy-bar {
  width: 100%;
  height: 4px;
  background: #f1f5f9;
  border-radius: 9999px;
  overflow: hidden;
}

.orbital-energy-fill {
  height: 100%;
  background: linear-gradient(90deg, #8b5cf6, #6366f1);
  border-radius: 9999px;
  transition: width 0.5s ease;
}

/* Connected nodes */
.orbital-connected {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.orbital-connected-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.orbital-connected-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.orbital-connected-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid #e2e8f0;
  background: transparent;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  color: #64748b;
  cursor: pointer;
  transition: all 0.2s ease;
}

.orbital-connected-btn:hover {
  background: #8b5cf6;
  color: white;
  border-color: #8b5cf6;
}

.orbital-connected-btn svg {
  width: 10px;
  height: 10px;
}

/* Animations */
@keyframes orbital-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes orbital-ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .orbital-container {
    height: 500px;
  }

  .orbital-ring {
    width: 300px;
    height: 300px;
  }

  .orbital-nucleus {
    width: 48px;
    height: 48px;
  }

  .orbital-nucleus-inner {
    width: 20px;
    height: 20px;
  }

  .orbital-ring-ping--1 {
    width: 64px;
    height: 64px;
  }

  .orbital-ring-ping--2 {
    width: 80px;
    height: 80px;
  }

  .orbital-node-icon {
    width: 36px;
    height: 36px;
  }

  .orbital-node-icon svg {
    width: 14px;
    height: 14px;
  }

  .orbital-node-label {
    font-size: 10px;
    top: 44px;
  }

  .orbital-card {
    width: 240px;
    top: 65px;
  }
}

@media (max-width: 480px) {
  .orbital-container {
    height: 420px;
  }

  .orbital-ring {
    width: 240px;
    height: 240px;
  }

  .orbital-card {
    width: 220px;
    font-size: 12px;
  }
}