/* File: karvish-maps/frontend/src/components/NavigationPanel.css */
/* Navigation panel styles - Mobile-first design */
/* Version: 1.0.0 */
/* Since: 21-Jan-2026 04:00 PM IST */

.navigation-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-xl);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  animation: slideUp 0.3s ease;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* Drag Handle */
.navigation-handle {
  display: flex;
  justify-content: center;
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.handle-bar {
  width: 36px;
  height: 4px;
  background: var(--gray-300);
  border-radius: 2px;
  transition: background var(--transition-fast);
}

.navigation-handle:hover .handle-bar {
  background: var(--gray-400);
}

/* Header */
.navigation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg) var(--space-md);
}

.navigation-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navigation-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--off-black);
  margin: 0;
}

.navigation-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.navigation-close:hover {
  background: var(--gray-100);
}

.navigation-close svg {
  width: 20px;
  height: 20px;
  color: var(--gray-500);
}

/* Rerouting Indicator */
.navigation-rerouting {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  font-size: 0.875rem;
  font-weight: 500;
}

.rerouting-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-top-color: var(--warning);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Current Step (Navigation Mode) */
.navigation-current-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--gradient-primary);
  color: white;
  margin: 0 var(--space-md);
  border-radius: var(--radius-lg);
}

.current-step-icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.current-step-info {
  flex: 1;
  min-width: 0;
}

.current-step-distance {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.current-step-instruction {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 8px;
}

.current-step-then {
  font-size: 0.8125rem;
  opacity: 0.85;
}

/* Summary (Collapsed View) */
.navigation-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.navigation-summary:hover {
  background: var(--gray-50);
}

.summary-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}

.summary-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.summary-info {
  flex: 1;
  min-width: 0;
}

.summary-stats {
  display: flex;
  gap: var(--space-md);
  margin-bottom: 4px;
}

.summary-distance,
.summary-duration {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--off-black);
}

.summary-distance svg,
.summary-duration svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.summary-next {
  font-size: 0.875rem;
  color: var(--gray-600);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.summary-expand {
  padding: var(--space-sm);
}

.summary-expand svg {
  width: 20px;
  height: 20px;
  color: var(--gray-400);
  transition: transform var(--transition-fast);
}

.summary-expand svg.expanded {
  transform: rotate(180deg);
}

/* Navigation Stats (During Navigation) */
.navigation-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--gray-600);
}

.stat-item svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* Steps List */
.navigation-steps {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm) var(--space-md);
  max-height: 40vh;
}

.navigation-panel.expanded .navigation-steps {
  max-height: 50vh;
}

/* Destination */
.navigation-destination {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--gray-200);
}

.destination-icon svg {
  width: 18px;
  height: 18px;
  color: var(--error);
  flex-shrink: 0;
}

.destination-text {
  font-size: 0.8125rem;
  color: var(--gray-600);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Actions */
.navigation-actions {
  padding: var(--space-md) var(--space-lg);
  padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--gray-200);
}

.navigation-start-btn,
.navigation-stop-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  height: var(--touch-target);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.navigation-start-btn {
  background: var(--gradient-primary);
  color: white;
}

.navigation-start-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.navigation-start-btn svg {
  width: 20px;
  height: 20px;
}

.navigation-stop-btn {
  background: var(--gray-100);
  color: var(--error);
}

.navigation-stop-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}

.navigation-stop-btn svg {
  width: 18px;
  height: 18px;
}

/* Navigation Mode Styles */
.navigation-panel.navigating {
  border-radius: 0;
}

.navigation-panel.navigating .navigation-handle {
  display: none;
}

.navigation-panel.navigating .navigation-header {
  padding-top: var(--space-md);
}

/* Header Right (minimize + close buttons) */
.navigation-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navigation-minimize {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.navigation-minimize:hover {
  background: var(--gray-100);
}

.navigation-minimize svg {
  width: 20px;
  height: 20px;
  color: var(--gray-500);
}

/* ========================================
   MINIMIZED STATE - Compact navigation bar
   ======================================== */
.navigation-panel.minimized {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 0;
  cursor: pointer;
  max-height: none;
}

.minimized-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
  background: var(--gradient-primary);
  color: white;
}

.minimized-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.minimized-distance {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.minimized-instruction {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.minimized-expand {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.minimized-expand:hover {
  background: rgba(255, 255, 255, 0.3);
}

.minimized-expand svg {
  width: 20px;
  height: 20px;
  color: white;
}

/* Expanded Panel */
.navigation-panel.expanded {
  max-height: 85vh;
}

/* Tablet and up */
@media (min-width: 768px) {
  .navigation-panel {
    max-width: 400px;
    left: auto;
    right: var(--space-lg);
    bottom: var(--space-lg);
    border-radius: var(--radius-xl);
    padding-bottom: 0;
  }

  .navigation-panel.navigating {
    border-radius: var(--radius-xl);
  }

  .navigation-panel.minimized {
    border-radius: var(--radius-xl);
  }

  .minimized-bar {
    padding-bottom: var(--space-md);
    border-radius: var(--radius-xl);
  }

  .navigation-actions {
    padding-bottom: var(--space-md);
  }

  .navigation-steps {
    max-height: 300px;
  }

  .navigation-panel.expanded .navigation-steps {
    max-height: 400px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .navigation-panel {
    max-width: 420px;
    right: var(--space-xl);
    bottom: var(--space-xl);
  }
}