/* Radar Scanner & Device Discovery Section */

.discovery-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-height: 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-badge {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.radar-card {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  background: radial-gradient(circle at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  box-shadow: var(--shadow-md);
  margin-bottom: 0;
}

/* Background animated radar grid */
.radar-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Radar concentric circles */
.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(16, 185, 129, 0.15);
  pointer-events: none;
}

.radar-ring:nth-child(1) { width: 100px; height: 100px; }
.radar-ring:nth-child(2) { width: 200px; height: 200px; }
.radar-ring:nth-child(3) { width: 310px; height: 310px; }
.radar-ring:nth-child(4) { width: 440px; height: 440px; }

/* Pulsing radar waves */
.radar-pulse {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  animation: radar-wave 4s infinite cubic-bezier(0.2, 0.6, 0.35, 1);
  pointer-events: none;
}

.radar-pulse:nth-child(2) {
  animation-delay: 2s;
}

@keyframes radar-wave {
  0% {
    width: 60px;
    height: 60px;
    opacity: 0.9;
    transform: scale(0.6);
  }
  100% {
    width: 480px;
    height: 480px;
    opacity: 0;
    transform: scale(1);
  }
}

/* Radar sweeping beam */
.radar-sweep {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, transparent 270deg, rgba(16, 185, 129, 0.15) 360deg);
  animation: radar-spin 6s linear infinite;
  pointer-events: none;
}

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

/* Center Local Beacon */
.radar-center-beacon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 25;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.beacon-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.45), inset 0 0 6px rgba(255, 255, 255, 0.4);
  border: 2px solid #ffffff;
}

.beacon-label {
  position: absolute;
  bottom: -18px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-glass);
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

/* Device Nodes Overlay */
.devices-container {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* When no devices found (Empty State) */
.empty-radar-message {
  position: absolute;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.78rem;
  z-index: 25;
  box-shadow: var(--shadow-sm);
}

.empty-radar-message svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
  display: inline-block;
  transform-origin: 50% 50%;
  animation: spin-smooth 1.1s linear infinite;
  will-change: transform;
}

@keyframes spin-smooth {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Device Card Node */
.device-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  z-index: 30;
  transition: all var(--transition-spring);
  transform: translate(-50%, -50%);
  animation: pop-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.4); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.device-node:hover {
  transform: translate(-50%, -50%) scale(1.1);
  z-index: 40;
}

.device-node-bubble {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.35), 0 0 14px var(--accent-light);
  transition: all var(--transition-fast);
}

.device-node:hover .device-node-bubble {
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5), 0 0 20px var(--accent);
  border-color: #ffffff;
}

.device-node-os {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
}

.device-node-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-glass);
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  pointer-events: none;
  max-width: 100px;
  text-align: center;
}

.device-node-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 85px;
}

.device-node-sub {
  font-size: 0.58rem;
  color: var(--accent);
  font-weight: 600;
}

/* Device List / Connected Devices Hub View */
.devices-grid-view {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.device-grid-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.device-grid-card:hover, .device-grid-card.selected {
  background: var(--bg-tertiary);
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
}

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

.device-card-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.device-card-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 20px;
}

.device-card-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.card-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* View toggle (Radar vs Grid) */
.view-toggle-btns {
  display: flex;
  background: var(--bg-tertiary);
  padding: 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.view-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--transition-fast);
}

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

.view-btn.active {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.view-btn-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  background: #6366f1;
  color: #ffffff;
  font-size: 0.55rem;
  font-weight: 800;
  min-width: 14px;
  height: 14px;
  padding: 0 3px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--bg-secondary);
}