/**
 * Coverage Navigator Page Styles
 * Immersive, guided planning experience with glassmorphism aesthetics
 */

/* ==========================================================================
   Layout & Grid
   ========================================================================== */

.coverage-navigator {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;

  /* Prefer dynamic viewport units where supported (mobile browser UI). */
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));

  /* Set by JS based on the mobile bottom nav so fixed UI doesn't get covered. */
  --bottom-nav-height: 0px;
  --bottom-nav-offset: 0px;

  background: var(--surface-0);
  position: relative;
  overflow: hidden;
}

.coverage-navigator > * {
  min-width: 0;
  min-height: 0;
}

/* Phone-sized viewports typically show the fixed bottom nav. */
@media (width <= 768px) {
  .coverage-navigator {
    --bottom-nav-height: calc(72px + env(safe-area-inset-bottom, 0px));
    --bottom-nav-offset: 72px;
  }
}

@media (width >= 1024px) {
  .coverage-navigator {
    grid-template-columns: minmax(360px, 440px) 1fr;
    grid-template-rows: 1fr;
  }
}

@media (width >= 1280px) {
  .coverage-navigator {
    grid-template-columns: minmax(400px, 460px) 1fr;
  }
}

/* ==========================================================================
   Mobile Panel Toggle
   ========================================================================== */

.coverage-navigator .mobile-panel-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: fixed;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px) + var(--bottom-nav-offset, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: calc(var(--z-overlay) + 1);
  background: var(--surface-1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  width: fit-content;
  min-width: min(14rem, calc(100vw - var(--space-8)));
  max-width: calc(100vw - var(--space-4) - var(--space-4));
}

.coverage-navigator .mobile-panel-toggle:hover {
  background: var(--surface-2);
  transform: translateX(-50%) translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.coverage-navigator .mobile-panel-toggle:active {
  transform: translateX(-50%) translateY(0);
}

.coverage-navigator .mobile-panel-toggle i {
  transition: transform 0.3s ease;
}

.coverage-navigator .mobile-panel-toggle[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.coverage-navigator .mobile-panel-toggle[aria-expanded="false"] .toggle-text::after {
  content: "Show Controls";
}

.coverage-navigator .mobile-panel-toggle[aria-expanded="true"] .toggle-text::after {
  content: "Hide Controls";
}

.coverage-navigator .mobile-panel-toggle .toggle-text {
  font-size: 0;
}

.coverage-navigator .mobile-panel-toggle .toggle-text::after {
  font-size: 0.875rem;
  line-height: 1;
}

@media (width <= 1023px) {
  .coverage-navigator .mobile-panel-toggle[aria-expanded="true"] {
    bottom: auto;
    top: calc(var(--header-height) + var(--space-2));
    box-shadow: var(--shadow-md);
  }
}

@media (width >= 1024px) {
  .coverage-navigator .mobile-panel-toggle {
    display: none;
  }
}

/* ==========================================================================
   Control Panel
   ========================================================================== */

.coverage-navigator .control-panel {
  background: var(--surface-0);
  border-right: 1px solid var(--divider-color);
  display: flex;
  flex-direction: column;
  overflow: hidden auto;
  padding: 0;
  gap: 0;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
  min-width: 0;
  min-height: 0;
}

.coverage-navigator .control-panel::-webkit-scrollbar {
  width: 6px;
}

.coverage-navigator .control-panel::-webkit-scrollbar-track {
  background: transparent;
}

.coverage-navigator .control-panel::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.coverage-navigator .control-panel::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Mobile panel behavior - bottom sheet pattern */
@media (width <= 1023px) {
  .coverage-navigator .control-panel {
    position: fixed;
    inset: auto 0 0;
    z-index: var(--z-overlay);
    max-height: min(78dvh, calc(100dvh - var(--header-height) - var(--space-4)));
    border-right: none;
    border-top: 1px solid var(--divider-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: 0 -4px 20px rgb(0 0 0 / 15%);
    transform: translateY(0);
    transition: transform 0.3s ease;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding-top: calc(var(--space-3) + 20px);
    padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
  }

  .coverage-navigator .control-panel::before {
    content: "";
    position: absolute;
    top: var(--space-3);
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--border-color-light);
    border-radius: 2px;
    z-index: 1;
  }

  .coverage-navigator .control-panel.is-hidden {
    transform: translateY(100%);
  }
}

@media (width >= 1024px) {
  .coverage-navigator .control-panel {
    max-height: none;
    height: 100%;
    position: relative;
    transform: none;
  }
}

/* ==========================================================================
   Sidebar Header — Dynamic Context Block
   ========================================================================== */

.coverage-navigator .sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) var(--space-3);
  flex-shrink: 0;
  border-bottom: 1px solid var(--divider-color);
  background: var(--surface-0);
}

.coverage-navigator .sidebar-identity {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1;
}

.coverage-navigator .sidebar-identity-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgb(var(--primary-rgb) / 12%);
  border: 1px solid rgb(var(--primary-rgb) / 20%);
  border-radius: var(--radius-md);
  color: var(--primary);
  font-size: 0.875rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.coverage-navigator .sidebar-identity-text {
  min-width: 0;
}

.coverage-navigator .sidebar-title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coverage-navigator .sidebar-subtitle {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
  transition: color 0.3s ease;
}

/* Coverage ring in header */
.coverage-navigator .sidebar-coverage-ring {
  position: relative;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.coverage-navigator .coverage-ring-svg {
  width: 44px;
  height: 44px;
  transform: rotate(-90deg);
}

.coverage-navigator .ring-track {
  stroke: var(--surface-3);
}

.coverage-navigator .ring-fill {
  stroke: var(--cat-mint);
  stroke-linecap: round;
  transition: stroke-dashoffset 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 4px rgb(var(--cat-mint-rgb) / 50%));
}

.coverage-navigator .ring-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

@media (width <= 480px) {
  .coverage-navigator .sidebar-header {
    padding: var(--space-3) var(--space-3) var(--space-2);
  }

  .coverage-navigator .sidebar-identity-icon {
    display: none;
  }

  .coverage-navigator .sidebar-title {
    font-size: 0.875rem;
  }
}

/* ==========================================================================
   Tab Navigation
   ========================================================================== */

.coverage-navigator .sidebar-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-0);
  flex-shrink: 0;
  border-bottom: 1px solid var(--divider-color);
}

.coverage-navigator .sidebar-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.25rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    color 0.15s ease,
    background-color 0.15s ease;
  position: relative;
  min-height: 44px;
}

.coverage-navigator .sidebar-tab i {
  font-size: 0.875rem;
}

.coverage-navigator .sidebar-tab:hover {
  color: var(--text-secondary);
  background: var(--surface-2);
}

.coverage-navigator .sidebar-tab.active {
  color: var(--primary);
  background: rgb(var(--primary-rgb) / 8%);
  font-weight: 600;
}

.coverage-navigator .sidebar-tab.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.coverage-navigator .sidebar-tab:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Status badge (pulsing dot) on the Status tab */
.coverage-navigator .sidebar-tab[data-has-activity]::before {
  content: "";
  position: absolute;
  top: 6px;
  right: calc(50% - 16px);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 6px rgb(var(--warning-rgb) / 60%);
  animation: status-pulse 1.8s ease-in-out infinite;
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

@media (width <= 480px) {
  .coverage-navigator .sidebar-tab .tab-label {
    display: none;
  }

  .coverage-navigator .sidebar-tab {
    padding: 0.625rem 0.25rem;
  }

  .coverage-navigator .sidebar-tab i {
    font-size: 1rem;
  }
}

/* ==========================================================================
   Workflow Stepper
   ========================================================================== */

.coverage-navigator .workflow-stepper {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  gap: 0;
  flex-shrink: 0;
  border-bottom: 1px solid var(--divider-color);
  background: var(--surface-0);
}

.coverage-navigator .workflow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.coverage-navigator .ws-connector {
  flex: 1;
  height: 2px;
  background: var(--divider-color);
  margin: 0 3px;
  margin-bottom: 14px; /* align with node center (node is ~24px tall + 14px label below) */
  transition: background 400ms ease;
}

.coverage-navigator .workflow-step.completed + .ws-connector {
  background: var(--success);
}

.coverage-navigator .ws-node {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.5625rem;
  font-weight: 700;
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: all 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.coverage-navigator .workflow-step.completed .ws-node {
  background: var(--success);
  border-color: var(--success);
  color: white;
  font-size: 0.5rem;
}

.coverage-navigator .workflow-step.completed .ws-number {
  display: none;
}

.coverage-navigator .workflow-step.completed .ws-node::after {
  content: "\f00c";
  font-family: "Font Awesome 6 Free", sans-serif;
  font-weight: 900;
  font-size: 0.5rem;
}

.coverage-navigator .workflow-step.active .ws-node {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 0 0 4px rgb(var(--primary-rgb) / 20%);
  animation: ws-pulse 2s ease-in-out infinite;
}

@keyframes ws-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgb(var(--primary-rgb) / 25%);
  }

  50% {
    box-shadow:
      0 0 0 6px rgb(var(--primary-rgb) / 10%),
      0 0 12px rgb(var(--primary-rgb) / 20%);
  }
}

.coverage-navigator .ws-label {
  font-size: 0.5625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.coverage-navigator .workflow-step.active .ws-label {
  color: var(--primary);
  font-weight: 600;
}

.coverage-navigator .workflow-step.completed .ws-label {
  color: var(--success);
}

/* ==========================================================================
   Tab Panels
   ========================================================================== */

.coverage-navigator .tab-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  flex: 1;
}

.coverage-navigator .tab-panel.active {
  display: flex;
  animation: tabPanelIn 200ms cubic-bezier(0, 0, 0.2, 1) both;
}

@keyframes tabPanelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab Empty States */
.coverage-navigator .tab-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  gap: var(--space-3);
}

.coverage-navigator .tab-empty-icon {
  font-size: 2.5rem;
  color: var(--text-tertiary);
  opacity: 0.35;
}

.coverage-navigator .tab-empty-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.coverage-navigator .tab-empty-hint {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  max-width: 260px;
  line-height: 1.55;
}

/* Hide empty states when sibling widgets are visible */
.coverage-navigator .tab-panel .widget[style*="display: block"] ~ .tab-empty-state,
.coverage-navigator .tab-panel .widget[style*="display: flex"] ~ .tab-empty-state,
.coverage-navigator .tab-panel .widget.active ~ .tab-empty-state {
  display: none;
}

/* Mode indicator border on sidebar */
.coverage-navigator[data-mode="planning"] .control-panel {
  border-right-color: var(--primary);
}

.coverage-navigator[data-mode="navigating"] .control-panel {
  border-right-color: var(--info);
}

.coverage-navigator[data-mode="processing"] .control-panel {
  border-right-color: var(--warning);
}

.coverage-navigator[data-mode="results"] .control-panel {
  border-right-color: var(--success);
}

/* ==========================================================================
   Widget Base Styles
   ========================================================================== */

.coverage-navigator .widget {
  background: var(--surface-1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.coverage-navigator .widget:hover {
  box-shadow: var(--shadow-md);
}

/* Widget header */
.coverage-navigator .widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-color);
}

.coverage-navigator .widget-header.collapsible {
  cursor: pointer;
  user-select: none;
}

.coverage-navigator .widget-header.collapsible:hover {
  background: var(--surface-3);
}

.coverage-navigator .widget-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  text-wrap: balance;
}

.coverage-navigator .widget-title i {
  font-size: 0.875rem;
  opacity: 0.8;
}

.coverage-navigator .widget-body {
  padding: var(--space-4);
}

/* Collapse Button */
.coverage-navigator .btn-collapse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

@media (width <= 1023px) {
  .coverage-navigator .btn-collapse {
    width: 44px;
    height: 44px;
  }
}

.coverage-navigator .btn-collapse:hover {
  background: var(--surface-4);
  color: var(--text-primary);
}

.coverage-navigator .btn-collapse i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.coverage-navigator .btn-collapse[aria-expanded="false"] i {
  transform: rotate(180deg);
}

.coverage-navigator .collapsible-content {
  transition:
    max-height 0.3s ease,
    opacity 0.2s ease,
    padding 0.3s ease;
  max-height: 2000px;
  opacity: 1;
  overflow: hidden;
}

.coverage-navigator .collapsible-content.is-collapsed {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* Header Actions */
.coverage-navigator .header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.coverage-navigator .form-label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.coverage-navigator .label-text {
  font-weight: 600;
}

.coverage-navigator .label-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-tertiary);
}

.coverage-navigator .select-wrapper {
  position: relative;
}

.coverage-navigator .select-wrapper .form-select {
  width: 100%;
  padding: 0.625rem 2.5rem 0.625rem 0.875rem;
  padding-left: 2.25rem;
  font-size: 0.875rem;
  background-color: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  transition: all 0.2s ease;
  min-height: 44px;
}

.coverage-navigator .select-wrapper .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(var(--primary-rgb) / 15%);
}

.coverage-navigator .select-wrapper .select-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.875rem;
  pointer-events: none;
}

.coverage-navigator .select-wrapper::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free", sans-serif;
  font-weight: 900;
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  pointer-events: none;
}

/* Small Switch */
.coverage-navigator .form-switch-sm .form-check-input {
  width: 2.25rem;
  height: 1.25rem;
  cursor: pointer;
}

.coverage-navigator .form-switch-sm .form-check-label {
  font-size: 0.8125rem;
  line-height: 1.2;
  color: var(--text-secondary);
  cursor: pointer;
  padding-left: 0.25rem;
  white-space: nowrap;
}

@media (width <= 560px) {
  .coverage-navigator .form-switch-sm .form-check-label {
    white-space: normal;
  }
}

/* ==========================================================================
   Area Selection Widget — Donut + Stats
   ========================================================================== */

/* Area context panel */
.coverage-navigator .area-context-panel {
  margin-top: var(--space-3);
}

.coverage-navigator .area-context-body {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

/* Donut chart */
.coverage-navigator .area-donut-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.coverage-navigator .area-donut {
  width: 80px;
  height: 80px;
  transform: rotate(-90deg);
}

.coverage-navigator .donut-track {
  stroke: var(--surface-4);
}

.coverage-navigator .donut-driven {
  stroke: var(--cat-mint);
  stroke-linecap: round;
  transition: stroke-dashoffset 800ms cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 6px rgb(var(--cat-mint-rgb) / 40%));
}

.coverage-navigator .area-donut-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.coverage-navigator .donut-pct {
  font-family: var(--font-family-mono);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.coverage-navigator .donut-sublabel {
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Context stats beside donut */
.coverage-navigator .area-context-stats {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
}

.coverage-navigator .acstat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.coverage-navigator .acstat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  font-size: 0.625rem;
  flex-shrink: 0;
  color: var(--text-tertiary);
  background: var(--surface-3);
}

.coverage-navigator .acstat--remaining .acstat-icon {
  color: var(--danger);
  background: rgb(var(--danger-rgb) / 10%);
}

.coverage-navigator .acstat--driven .acstat-icon {
  color: var(--success);
  background: rgb(var(--success-rgb) / 10%);
}

.coverage-navigator .acstat--total .acstat-icon {
  color: var(--info);
  background: rgb(var(--info-rgb) / 10%);
}

.coverage-navigator .acstat-body {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

.coverage-navigator .acstat-label {
  font-size: 0.5625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  line-height: 1;
}

.coverage-navigator .acstat-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

/* Coverage bar below context body */
.coverage-navigator .coverage-bar-track {
  height: 6px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-2);
}

.coverage-navigator .coverage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cat-mint) 0%, var(--primary) 100%);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Area empty hint */
.coverage-navigator .area-empty-hint {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: rgb(var(--primary-rgb) / 5%);
  border: 1px solid rgb(var(--primary-rgb) / 15%);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.coverage-navigator .area-empty-hint i {
  color: var(--primary);
  margin-top: 0.0625rem;
  flex-shrink: 0;
}

/* Widget tints when area is selected */
.coverage-navigator .area-selector-widget.has-area {
  border-color: rgb(var(--cat-mint-rgb) / 30%);
}

.coverage-navigator .route-planner-widget.is-ready {
  border-color: rgb(var(--cat-purple-rgb) / 30%);
}

/* Tabular numbers for stat values */
.coverage-navigator .stat-value {
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Generate Route Button — Multi-State
   ========================================================================== */

.coverage-navigator .btn-generate {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all 0.25s ease;
  min-height: 68px;
  text-align: left;
}

.coverage-navigator .btn-generate:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.coverage-navigator .btn-generate:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.coverage-navigator .btn-generate:not(:disabled):active {
  transform: translateY(0);
}

.coverage-navigator .generate-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgb(255 255 255 / 15%);
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* Multi-state: show only one icon at a time */
.coverage-navigator .generate-icon i {
  display: none;
}

.coverage-navigator .btn-generate[data-state="idle"] .icon-idle {
  display: flex;
}
.coverage-navigator .btn-generate[data-state="ready"] .icon-ready {
  display: flex;
}
.coverage-navigator .btn-generate[data-state="done"] .icon-done {
  display: flex;
}

/* Default to idle if no data-state set */
.coverage-navigator .btn-generate:not([data-state]) .icon-idle {
  display: flex;
}

.coverage-navigator .generate-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
  min-width: 0;
}

.coverage-navigator .generate-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
}

.coverage-navigator .generate-subtitle {
  font-size: 0.75rem;
  opacity: 0.82;
  font-weight: 400;
  line-height: 1.3;
}

/* State text — only show matching state */
.coverage-navigator .state-idle,
.coverage-navigator .state-ready,
.coverage-navigator .state-done {
  display: none;
}

.coverage-navigator .btn-generate[data-state="idle"] .state-idle {
  display: block;
}
.coverage-navigator .btn-generate[data-state="ready"] .state-ready {
  display: block;
}
.coverage-navigator .btn-generate[data-state="done"] .state-done {
  display: block;
}

/* Default to idle state text */
.coverage-navigator .btn-generate:not([data-state]) .state-idle {
  display: block;
}

/* ==========================================================================
   Algorithm Explainer
   ========================================================================== */

.coverage-navigator .algo-explainer {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  animation: tabPanelIn 200ms ease both;
}

.coverage-navigator .algo-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.coverage-navigator .algo-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.coverage-navigator .algo-step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgb(var(--cat-purple-rgb) / 15%);
  color: var(--cat-purple);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.coverage-navigator .algo-step-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-top: 0.375rem;
}

.coverage-navigator .btn-algo-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: 0;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.15s ease;
}

.coverage-navigator .btn-algo-info:hover {
  color: var(--info);
}

.coverage-navigator .btn-algo-info i {
  font-size: 0.875rem;
}

/* ==========================================================================
   Saved Routes — Enhanced Cards
   ========================================================================== */

.coverage-navigator .route-history {
  max-height: clamp(220px, 32vh, 320px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.coverage-navigator .route-history::-webkit-scrollbar {
  width: 4px;
}

.coverage-navigator .route-history::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.coverage-navigator .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  color: var(--text-tertiary);
}

.coverage-navigator .empty-state-art {
  opacity: 0.6;
}

.coverage-navigator .empty-state i {
  font-size: 1.5rem;
  opacity: 0.5;
}

.coverage-navigator .empty-state-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
}

.coverage-navigator .empty-state-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
  line-height: 1.5;
  max-width: 200px;
  margin: 0;
}

/* Route history items */
.coverage-navigator .route-history-item {
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
}

.coverage-navigator .route-history-item:hover {
  border-color: var(--border-hover);
  background: var(--surface-3);
  box-shadow: var(--shadow-sm);
}

.coverage-navigator .route-history-item[data-status="active"] {
  border-left-color: var(--success);
}

.coverage-navigator .route-history-item[data-status="paused"] {
  border-left-color: var(--warning);
}

.coverage-navigator .route-history-item[data-status="completed"] {
  border-left-color: var(--cat-mint);
}

.coverage-navigator .route-history-item[data-status="cancelled"] {
  border-left-color: var(--danger);
}

/* Inner body for route history items */
.coverage-navigator .rhi-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.coverage-navigator .rhi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-width: 0;
}

.coverage-navigator .route-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow-wrap: anywhere;
  flex: 1;
  min-width: 0;
}

.coverage-navigator .rhi-efficiency-badge {
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgb(var(--success-rgb) / 15%);
  color: var(--success);
  font-family: var(--font-family-mono);
  white-space: nowrap;
  flex-shrink: 0;
}

.coverage-navigator .rhi-efficiency-badge[data-eff="amber"] {
  background: rgb(var(--warning-rgb) / 15%);
  color: var(--warning);
}

.coverage-navigator .rhi-efficiency-badge[data-eff="low"] {
  background: rgb(var(--danger-rgb) / 15%);
  color: var(--danger);
}

.coverage-navigator .rhi-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.coverage-navigator .route-date {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.coverage-navigator .route-history-item[data-status="active"] .route-date {
  color: var(--success);
}

.coverage-navigator .route-history-item[data-status="paused"] .route-date {
  color: var(--warning);
}

.coverage-navigator .route-history-item[data-status="cancelled"] .route-date {
  color: var(--danger);
}

.coverage-navigator .route-meta {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* Action buttons: reveal on hover */
.coverage-navigator .route-actions-inline {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 200ms ease,
    opacity 200ms ease,
    margin-top 200ms ease;
}

.coverage-navigator .route-history-item:hover .route-actions-inline,
.coverage-navigator .route-history-item:focus-within .route-actions-inline {
  max-height: 60px;
  opacity: 1;
  margin-top: var(--space-2);
}

.coverage-navigator .btn-inline {
  min-height: 32px;
  font-size: 0.6875rem;
  padding: 0.3rem 0.6rem;
}

/* Route history chevron — kept for compatibility */
.coverage-navigator .route-history-chevron {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  align-self: center;
}

/* ==========================================================================
   Find Tab — Action Tiles
   ========================================================================== */

.coverage-navigator .find-action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.coverage-navigator .find-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 200ms ease;
  text-align: center;
  min-height: 100px;
  color: var(--text-primary);
}

.coverage-navigator .find-tile:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.coverage-navigator .find-tile:not(:disabled):hover {
  background: rgb(var(--info-rgb) / 8%);
  border-color: rgb(var(--info-rgb) / 50%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.coverage-navigator .find-tile:not(:disabled):active {
  transform: translateY(0);
}

.coverage-navigator .find-tile-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgb(var(--info-rgb) / 12%);
  color: var(--info);
  font-size: 1rem;
  transition: background 200ms ease;
}

.coverage-navigator .find-tile--clusters .find-tile-icon {
  background: rgb(var(--cat-purple-rgb) / 12%);
  color: var(--cat-purple);
}

.coverage-navigator .find-tile:not(:disabled):hover .find-tile-icon {
  background: rgb(var(--info-rgb) / 20%);
}

.coverage-navigator .find-tile--clusters:not(:disabled):hover .find-tile-icon {
  background: rgb(var(--cat-purple-rgb) / 20%);
}

.coverage-navigator .find-tile--clusters:not(:disabled):hover {
  background: rgb(var(--cat-purple-rgb) / 6%);
  border-color: rgb(var(--cat-purple-rgb) / 40%);
}

.coverage-navigator .find-tile-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.coverage-navigator .find-tile-hint {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  line-height: 1.3;
}

/* Find helper card */
.coverage-navigator .find-helper-card {
  border-style: dashed;
  border-color: var(--border-color);
  background: transparent;
  box-shadow: none;
}

.coverage-navigator .find-helper-card:hover {
  box-shadow: none;
}

.coverage-navigator .find-helper-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.coverage-navigator .find-helper-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgb(var(--cat-ochre-rgb) / 12%);
  color: var(--cat-ochre);
  font-size: 0.875rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.coverage-navigator .find-helper-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--space-1) 0;
}

.coverage-navigator .find-helper-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   Status Messages
   ========================================================================== */

.coverage-navigator .status-message {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  margin-top: var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.coverage-navigator .status-message.info {
  background: rgb(var(--info-rgb) / 10%);
  border: 1px solid rgb(var(--info-rgb) / 20%);
  color: var(--info);
}

.coverage-navigator .status-message.success {
  background: rgb(var(--success-rgb) / 10%);
  border: 1px solid rgb(var(--success-rgb) / 20%);
  color: var(--success);
}

.coverage-navigator .status-message.warning {
  background: rgb(var(--warning-rgb) / 10%);
  border: 1px solid rgb(var(--warning-rgb) / 20%);
  color: var(--warning);
}

.coverage-navigator .status-message.error {
  background: rgb(var(--danger-rgb) / 10%);
  border: 1px solid rgb(var(--danger-rgb) / 20%);
  color: var(--danger);
}

.coverage-navigator .status-message i {
  margin-top: 0.125rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Route Info (Find Tab)
   ========================================================================== */

.coverage-navigator .route-info {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.coverage-navigator .route-info-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

.coverage-navigator .route-details-content {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.coverage-navigator .route-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.coverage-navigator .route-actions .btn {
  min-height: 40px;
  font-size: 0.75rem;
  white-space: normal;
  text-wrap: balance;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding-inline: 0.625rem;
}

/* Target Info */
.coverage-navigator .target-info {
  margin-top: var(--space-3);
}

.coverage-navigator .target-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgb(var(--info-rgb) / 16%), rgb(var(--info-rgb) / 8%));
  border: 1px solid rgb(var(--info-rgb) / 25%);
  color: var(--text-primary);
}

.coverage-navigator .target-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-width: 0;
}

.coverage-navigator .target-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-sm);
  background: rgb(var(--info-rgb) / 15%);
  color: var(--info);
  flex: 0 0 auto;
}

.coverage-navigator .target-content {
  min-width: 0;
}

.coverage-navigator .target-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.coverage-navigator .target-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.coverage-navigator .target-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.coverage-navigator .route-info-detail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.coverage-navigator .route-info-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--surface-3);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.coverage-navigator .route-info-source {
  margin: var(--space-2) 0 0;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.coverage-navigator .cluster-summary {
  display: grid;
  gap: 0.375rem;
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--surface-3);
}

.coverage-navigator .cluster-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-width: 0;
}

.coverage-navigator .cluster-summary-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.coverage-navigator .cluster-summary-value {
  font-size: 0.8125rem;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.coverage-navigator .cluster-list {
  margin-top: var(--space-2);
  max-height: min(180px, 35vh);
  overflow-y: auto;
  display: grid;
  gap: 0.375rem;
  padding-right: 0.125rem;
}

.coverage-navigator .cluster-item {
  display: grid;
  gap: 0.125rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--surface-3);
}

.coverage-navigator .cluster-item-heading {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.coverage-navigator .cluster-color-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex: 0 0 auto;
}

.coverage-navigator .cluster-item-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.coverage-navigator .route-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.coverage-navigator .route-stats > div {
  padding: 0.5rem 0.625rem;
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Status Tab — Processing States
   ========================================================================== */

/* Route progress container */
.coverage-navigator #route-progress-container {
  display: none;
}

.coverage-navigator #route-progress-container.active {
  display: block;
}

/* Progress steps */
.coverage-navigator .progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  position: relative;
}

.coverage-navigator .progress-steps::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: var(--divider-color);
  z-index: 0;
}

.coverage-navigator .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  position: relative;
  z-index: 1;
  min-width: 0;
}

.coverage-navigator .step-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface-4);
  border: 2px solid var(--divider-color);
  transition: all 0.3s ease;
}

.coverage-navigator .step.active .step-indicator {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgb(var(--primary-rgb) / 20%);
}

.coverage-navigator .step.completed .step-indicator {
  background: var(--success);
  border-color: var(--success);
}

.coverage-navigator .step.completed .step-indicator::after {
  content: "\f00c";
  font-family: "Font Awesome 6 Free", sans-serif;
  font-weight: 900;
  font-size: 0.625rem;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.coverage-navigator .step-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  line-height: 1.25;
}

.coverage-navigator .step.active .step-label {
  color: var(--primary);
  font-weight: 600;
}

.coverage-navigator .step.completed .step-label {
  color: var(--success);
}

/* Progress Bar Container */
.coverage-navigator .progress-bar-container {
  margin-top: var(--space-3);
}

.coverage-navigator .progress-bar-container .progress {
  height: 8px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.coverage-navigator .progress-bar-container .progress-bar {
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

.coverage-navigator .progress-status {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* ==========================================================================
   Live Progress — Vertical Solver Pipeline
   ========================================================================== */

.coverage-navigator .is-live .widget-header {
  background: linear-gradient(90deg, var(--surface-2) 0%, rgb(var(--cat-amber-rgb) / 10%) 100%);
}

.coverage-navigator .live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--danger);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  animation: pulse-badge 2s ease-in-out infinite;
}

.coverage-navigator .live-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
}

@keyframes pulse-badge {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Vertical pipeline */
.coverage-navigator .solver-pipeline {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-4);
}

.coverage-navigator .solver-pipeline .stage {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-1) 0;
  opacity: 0.38;
  transition: opacity 300ms ease;
}

.coverage-navigator .solver-pipeline .stage.active {
  opacity: 1;
}

.coverage-navigator .solver-pipeline .stage.completed {
  opacity: 0.75;
}

.coverage-navigator .stage-node {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: all 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.coverage-navigator .stage.active .stage-node {
  background: var(--warning);
  border-color: var(--warning);
  color: white;
  box-shadow:
    0 0 0 5px rgb(var(--warning-rgb) / 18%),
    0 0 16px rgb(var(--warning-rgb) / 28%);
  animation: node-pulse 1.6s ease-in-out infinite;
}

.coverage-navigator .stage.completed .stage-node {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

@keyframes node-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgb(var(--warning-rgb) / 18%);
  }

  50% {
    box-shadow:
      0 0 0 8px rgb(var(--warning-rgb) / 8%),
      0 0 20px rgb(var(--warning-rgb) / 25%);
  }
}

.coverage-navigator .pipeline-connector {
  width: 2px;
  height: 18px;
  background: var(--divider-color);
  margin-left: 15px; /* center on 32px node */
  transition: background 400ms ease;
  flex-shrink: 0;
}

.coverage-navigator .stage.completed + .pipeline-connector {
  background: var(--success);
}

.coverage-navigator .stage-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 7px;
  flex: 1;
  min-width: 0;
}

.coverage-navigator .solver-pipeline .stage-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: none;
  letter-spacing: 0;
  text-align: left;
}

.coverage-navigator .stage-detail {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* Progress messages */
.coverage-navigator .progress-messages {
  text-align: center;
  margin-top: var(--space-3);
}

.coverage-navigator .message-primary {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.coverage-navigator .message-secondary {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

.coverage-navigator .elapsed-time {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-2);
  background: var(--surface-3);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.coverage-navigator .btn-cancel {
  width: 100%;
  margin-top: var(--space-3);
  min-height: 40px;
}

/* ==========================================================================
   Status Tab Empty State — Animated Rings
   ========================================================================== */

.coverage-navigator .processing-ready-state {
  gap: var(--space-4);
}

.coverage-navigator .ready-animation {
  position: relative;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.coverage-navigator .ready-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgb(var(--primary-rgb) / 22%);
  animation: ready-expand 3s ease-out infinite;
  width: 64px;
  height: 64px;
}

.coverage-navigator .ready-ring--2 {
  animation-delay: 1.5s;
}

@keyframes ready-expand {
  0% {
    transform: scale(0.6);
    opacity: 0.6;
  }

  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

.coverage-navigator .ready-icon {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgb(var(--primary-rgb) / 12%);
  border: 1px solid rgb(var(--primary-rgb) / 20%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
}

.coverage-navigator .status-go-plan-btn,
.coverage-navigator .results-go-plan-btn {
  margin-top: var(--space-1);
}

/* ==========================================================================
   Error Section
   ========================================================================== */

.coverage-navigator .is-error .widget-header {
  background: rgb(var(--danger-rgb) / 10%);
}

.coverage-navigator .is-error .widget-title {
  color: var(--danger);
}

.coverage-navigator .error-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-2);
}

.coverage-navigator .error-illustration {
  opacity: 0.85;
}

.coverage-navigator .error-message {
  font-size: 0.875rem;
  color: var(--danger);
  line-height: 1.5;
  max-width: 260px;
}

.coverage-navigator .error-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ==========================================================================
   Results Tab — Hero + Supporting Grid
   ========================================================================== */

/* Hero efficiency card */
.coverage-navigator .results-hero-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgb(var(--success-rgb) / 8%) 0%, var(--surface-2) 100%);
  border: 1px solid rgb(var(--success-rgb) / 20%);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-3);
  transition: border-color 0.3s ease;
}

.coverage-navigator .results-hero-card:hover {
  border-color: rgb(var(--success-rgb) / 35%);
}

.coverage-navigator .hero-eff-ring {
  position: relative;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.coverage-navigator .eff-ring-svg {
  width: 72px;
  height: 72px;
  transform: rotate(-90deg);
}

.coverage-navigator .eff-ring-track {
  stroke: var(--surface-3);
}

.coverage-navigator .eff-ring-fill {
  stroke: var(--success);
  stroke-linecap: round;
  transition: stroke-dashoffset 1000ms cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 8px rgb(var(--success-rgb) / 40%));
}

.coverage-navigator .hero-eff-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
  gap: 1px;
}

.coverage-navigator .hero-eff-value {
  font-family: var(--font-family-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--success);
  line-height: 1;
}

.coverage-navigator .hero-eff-unit {
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.coverage-navigator .hero-eff-details {
  flex: 1;
  min-width: 0;
}

.coverage-navigator .hero-eff-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.coverage-navigator .hero-eff-desc {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  line-height: 1.45;
  margin-bottom: var(--space-2);
}

.coverage-navigator .hero-eff-grade {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  background: rgb(var(--success-rgb) / 15%);
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* 2×2 supporting grid */
.coverage-navigator .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (width >= 400px) {
  .coverage-navigator .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.coverage-navigator .results-supporting-grid {
  margin-bottom: var(--space-3);
}

.coverage-navigator .stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.coverage-navigator .stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.coverage-navigator .stat-card .stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.coverage-navigator .stat-card[data-stat="deadhead"] .stat-icon {
  background: var(--warning);
}

.coverage-navigator .stat-card[data-stat="coverage"] .stat-icon {
  background: var(--cat-mint);
}

.coverage-navigator .stat-card[data-stat="required"] .stat-icon {
  background: var(--info);
}

.coverage-navigator .stat-card .stat-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  flex: 1;
  min-width: 0;
}

.coverage-navigator .stat-card .stat-value {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.coverage-navigator .stat-card .stat-label {
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

/* Navigation CTA */
.coverage-navigator .results-cta-primary {
  margin-bottom: var(--space-3);
}

.coverage-navigator .btn-results-nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: 1rem;
  border-radius: var(--radius-lg);
  min-height: 68px;
  text-align: left;
  transition: all 0.25s ease;
}

.coverage-navigator .btn-results-nav:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.coverage-navigator .btn-results-nav:not(:disabled):active {
  transform: translateY(0);
}

.coverage-navigator .btn-results-nav i {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.coverage-navigator .btn-cta-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.coverage-navigator .btn-cta-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
}

.coverage-navigator .btn-cta-sub {
  font-size: 0.6875rem;
  opacity: 0.8;
  font-weight: 400;
  line-height: 1;
}

/* Secondary actions row */
.coverage-navigator .results-secondary-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.coverage-navigator .results-secondary-actions .btn {
  min-height: 40px;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding-inline: 0.5rem;
  white-space: normal;
  text-wrap: balance;
  line-height: 1.2;
}

/* Export actions (keep for compatibility) */
.coverage-navigator .export-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (width >= 400px) {
  .coverage-navigator .export-actions {
    grid-template-columns: repeat(4, 1fr);
  }
}

.coverage-navigator .export-actions .btn {
  min-height: 40px;
  font-size: 0.75rem;
  white-space: normal;
  text-wrap: balance;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding-inline: 0.5rem;
}

/* Results empty state */
.coverage-navigator .results-empty-state .results-empty-art {
  color: var(--text-tertiary);
  opacity: 0.4;
  font-size: 0;
}

/* ==========================================================================
   Layer Controls
   ========================================================================== */

.coverage-navigator .layer-controls {
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.coverage-navigator .layer-controls-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.coverage-navigator .layer-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.coverage-navigator .layer-item {
  padding: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.coverage-navigator .layer-item:hover {
  border-color: var(--border-hover);
}

.coverage-navigator .layer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.coverage-navigator .layer-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.coverage-navigator .layer-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.coverage-navigator .layer-color--route {
  background: var(--cat-purple);
}

.coverage-navigator .layer-color--driven {
  background: var(--success);
}

.coverage-navigator .layer-color--undriven {
  background: var(--danger);
}

.coverage-navigator .layer-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coverage-navigator .layer-opacity {
  margin-top: var(--space-2);
}

.coverage-navigator .opacity-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
}

.coverage-navigator .layer-opacity .form-range {
  height: 4px;
}

.coverage-navigator .layer-opacity .form-range::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: none;
  box-shadow: 0 1px 3px rgb(0 0 0 / 20%);
}

/* ==========================================================================
   Map Container
   ========================================================================== */

.coverage-navigator .map-container {
  position: relative;
  background: var(--surface-0);
  overflow: hidden;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

@media (width >= 1024px) {
  .coverage-navigator .map-container {
    border-radius: var(--radius-lg);
    margin: var(--space-3);
    margin-left: 0;
    border: 1px solid var(--divider-color);
    box-shadow: var(--shadow-md);
    min-height: 0;
  }
}

.coverage-navigator #coverage-map {
  width: 100%;
  height: 100%;
  min-height: 40vh;
}

@media (width >= 1024px) {
  .coverage-navigator #coverage-map {
    min-height: 0;
  }
}

/* Mapbox Popup Styles */
.coverage-navigator .mapboxgl-popup-content,
.coverage-navigator .maplibregl-popup-content {
  background: var(--surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-xl);
  font-size: 0.875rem;
  max-width: min(280px, calc(100vw - var(--space-6)));
  overflow-wrap: anywhere;
}

.coverage-navigator .mapboxgl-popup-close-button,
.coverage-navigator .maplibregl-popup-close-button {
  color: var(--text-secondary);
  font-size: 1.25rem;
  padding: var(--space-1) var(--space-2);
  transition: color 0.2s ease;
}

.coverage-navigator .mapboxgl-popup-close-button:hover,
.coverage-navigator .maplibregl-popup-close-button:hover {
  color: var(--text-primary);
}

.coverage-navigator .mapboxgl-popup-anchor-bottom .mapboxgl-popup-tip,
.coverage-navigator .maplibregl-popup-anchor-bottom .maplibregl-popup-tip {
  border-top-color: var(--surface-2);
}

.coverage-navigator .segment-popup,
.coverage-navigator .efficient-cluster-popup {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.coverage-navigator .segment-popup h6,
.coverage-navigator .efficient-cluster-popup h6 {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.coverage-navigator .segment-popup .btn,
.coverage-navigator .efficient-cluster-popup .btn {
  min-height: 40px;
  white-space: normal;
  line-height: 1.2;
}

.coverage-navigator .efficient-cluster-popup .cluster-stats {
  display: grid;
  gap: 0.35rem;
}

.coverage-navigator .efficient-cluster-popup .cluster-stats > div {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  overflow-wrap: anywhere;
}

/* ==========================================================================
   Map Scanner Overlay
   ========================================================================== */

.coverage-navigator .map-scanner-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 9;
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.coverage-navigator .map-scanner-overlay.active {
  opacity: 1;
}

.coverage-navigator .map-scanner-overlay::before {
  content: "";
  position: absolute;
  width: min(300px, 50vw);
  height: min(300px, 50vw);
  border-radius: 50%;
  border: 2px solid rgb(var(--primary-rgb) / 40%);
  background: radial-gradient(circle, rgb(var(--primary-rgb) / 15%) 0%, transparent 70%);
  box-shadow: 0 0 40px rgb(var(--primary-rgb) / 20%);
  animation: scan-pulse 2.5s ease-out infinite;
}

.coverage-navigator .map-scanner-overlay::after {
  content: "";
  position: absolute;
  width: min(340px, 55vw);
  height: min(340px, 55vw);
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgb(var(--primary-rgb) / 40%) 45deg,
    transparent 120deg
  );
  mix-blend-mode: screen;
  animation: scan-sweep 2.5s linear infinite;
}

@keyframes scan-pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.4;
  }

  70% {
    opacity: 0.1;
  }

  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

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

/* ==========================================================================
   Route Solver HUD
   ========================================================================== */

.coverage-navigator .route-solver-hud {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 12;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  max-width: 380px;
  max-height: min(58vh, 460px);
  overflow: hidden auto;
}

@media (width >= 640px) {
  .coverage-navigator .route-solver-hud {
    right: auto;
  }
}

.coverage-navigator .route-solver-hud.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.coverage-navigator .hud-panel {
  background: linear-gradient(
    135deg,
    rgb(var(--surface-rgb) / 92%) 0%,
    rgb(var(--surface-rgb) / 78%) 100%
  );
  border: 1px solid rgb(var(--border-rgb) / 30%);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow:
    0 20px 50px rgb(0 0 0 / 30%),
    0 0 0 1px rgb(var(--primary-rgb) / 10%);
  backdrop-filter: blur(20px);
  min-width: 0;
}

.coverage-navigator .hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgb(var(--border-rgb) / 20%);
}

.coverage-navigator .hud-signal {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coverage-navigator .hud-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgb(var(--success-rgb) / 60%);
  animation: hud-pulse 2s ease-in-out infinite;
}

@keyframes hud-pulse {
  0%,
  100% {
    transform: scale(0.85);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

.coverage-navigator .hud-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
}

.coverage-navigator .hud-stage {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  padding: 0.25rem 0.625rem;
  background: rgb(var(--primary-rgb) / 10%);
  border-radius: var(--radius-full);
}

.coverage-navigator .hud-message {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.coverage-navigator .hud-submessage {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  min-height: 1.25rem;
}

.coverage-navigator .hud-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgb(var(--border-rgb) / 20%);
}

.coverage-navigator .hud-metric {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: var(--space-2);
  background: rgb(var(--surface-rgb) / 50%);
  border: 1px solid rgb(var(--border-rgb) / 20%);
  border-radius: var(--radius-md);
}

.coverage-navigator .metric-label {
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

.coverage-navigator .metric-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.coverage-navigator .hud-activity {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
  max-height: 120px;
  overflow-y: auto;
  font-size: 0.75rem;
}

.coverage-navigator .hud-activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
}

.coverage-navigator .hud-activity-item::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgb(var(--primary-rgb) / 50%);
  flex-shrink: 0;
}

.coverage-navigator .hud-activity-time {
  font-variant-numeric: tabular-nums;
  color: var(--text-tertiary);
  font-size: 0.6875rem;
}

/* ==========================================================================
   Map Legend
   ========================================================================== */

.coverage-navigator .map-legend {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  background: var(--surface-1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-lg);
  z-index: 10;
  min-width: 140px;
  max-width: min(320px, calc(100vw - var(--space-6)));
  backdrop-filter: blur(8px);
}

.coverage-navigator .map-legend h6 {
  margin: 0 0 var(--space-2) 0;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.coverage-navigator .legend-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.coverage-navigator .legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coverage-navigator .legend-color {
  width: 20px;
  height: 4px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.coverage-navigator .legend-color--driven {
  background: var(--success);
}

.coverage-navigator .legend-color--undriven {
  background: var(--danger);
}

.coverage-navigator .legend-color--route {
  background: var(--cat-purple);
}

.coverage-navigator .legend-color.is-route {
  height: 5px;
}

.coverage-navigator .legend-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

/* ==========================================================================
   Responsive Design — Mobile Optimizations
   ========================================================================== */

@media (width <= 1023px) {
  /* Map container for mobile panel */
  .coverage-navigator .map-container {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    z-index: 1;
    min-height: auto;
  }

  .coverage-navigator #coverage-map {
    min-height: 100%;
  }

  /* Full-width HUD on mobile */
  .coverage-navigator .route-solver-hud {
    left: var(--space-3);
    right: var(--space-3);
    max-width: none;
    max-height: min(52vh, 420px);
  }

  /* Legend positioning for mobile */
  .coverage-navigator .map-legend {
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(72px + env(safe-area-inset-bottom, 0px) + var(--bottom-nav-offset, 0px));
    padding: var(--space-2) var(--space-3);
  }

  /* Mapbox controls above bottom nav */
  .coverage-navigator .mapboxgl-ctrl-bottom-left,
  .coverage-navigator .maplibregl-ctrl-bottom-left,
  .coverage-navigator .mapboxgl-ctrl-bottom-right,
  .coverage-navigator .maplibregl-ctrl-bottom-right {
    bottom: calc(72px + env(safe-area-inset-bottom, 0px) + var(--bottom-nav-offset, 0px));
  }

  /* Touch targets */
  .coverage-navigator .route-actions .btn,
  .coverage-navigator .export-actions .btn,
  .coverage-navigator .results-secondary-actions .btn {
    min-height: 44px;
  }

  /* Larger slider thumb */
  .coverage-navigator .layer-opacity .form-range::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  .coverage-navigator .layer-opacity .form-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }

  .coverage-navigator .layer-opacity .form-range {
    height: 8px;
  }
}

@media (width <= 480px) {
  .coverage-navigator .tab-panel {
    padding: var(--space-3);
    gap: var(--space-2);
  }

  .coverage-navigator .widget-body {
    padding: var(--space-3);
  }

  /* iOS auto-zoom prevention */
  .coverage-navigator .select-wrapper .form-select {
    font-size: 1rem;
  }

  .coverage-navigator .stats-grid {
    grid-template-columns: 1fr;
  }

  .coverage-navigator .results-secondary-actions {
    grid-template-columns: 1fr;
  }

  .coverage-navigator .find-action-grid {
    grid-template-columns: 1fr;
  }

  .coverage-navigator .route-actions {
    grid-template-columns: 1fr;
  }

  .coverage-navigator .route-stats {
    grid-template-columns: 1fr;
  }

  .coverage-navigator .area-context-body {
    flex-direction: column;
    align-items: center;
  }

  .coverage-navigator .area-context-stats {
    flex-flow: row wrap;
    gap: var(--space-3);
    width: 100%;
  }

  .coverage-navigator .acstat {
    flex: 1;
    min-width: 80px;
  }

  .coverage-navigator .hud-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .coverage-navigator .results-hero-card {
    flex-direction: column;
    text-align: center;
  }

  .coverage-navigator .hero-eff-details {
    text-align: center;
  }

  .coverage-navigator .workflow-stepper {
    padding: var(--space-2) var(--space-3);
  }

  .coverage-navigator .ws-label {
    display: none;
  }
}

@media (hover: none) {
  /* Touch devices: no sticky hover transforms */
  .coverage-navigator .mobile-panel-toggle:hover {
    transform: translateX(-50%);
    box-shadow: var(--shadow-lg);
  }

  .coverage-navigator .btn-generate:not(:disabled):hover,
  .coverage-navigator .btn-results-nav:not(:disabled):hover,
  .coverage-navigator .find-tile:not(:disabled):hover,
  .coverage-navigator .stat-card:hover {
    transform: none;
    box-shadow: none;
  }

  /* Always show route action buttons on touch */
  .coverage-navigator .route-actions-inline {
    max-height: 60px;
    opacity: 1;
    margin-top: var(--space-2);
  }
}

/* ==========================================================================
   Accessibility & Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .coverage-navigator .map-scanner-overlay::before,
  .coverage-navigator .map-scanner-overlay::after,
  .coverage-navigator .hud-dot,
  .coverage-navigator .live-badge,
  .coverage-navigator .sidebar-tab[data-has-activity]::before,
  .coverage-navigator .ready-ring,
  .coverage-navigator .workflow-step.active .ws-node,
  .coverage-navigator .stage.active .stage-node {
    animation: none;
  }

  .coverage-navigator .tab-panel.active {
    animation: none;
  }

  .coverage-navigator .btn-generate,
  .coverage-navigator .btn-results-nav,
  .coverage-navigator .find-tile,
  .coverage-navigator .stat-card,
  .coverage-navigator .layer-item,
  .coverage-navigator .route-history-item,
  .coverage-navigator .coverage-ring-svg .ring-fill,
  .coverage-navigator .donut-driven,
  .coverage-navigator .eff-ring-fill,
  .coverage-navigator .coverage-bar-fill {
    transition: none;
  }

  .coverage-navigator .collapsible-content,
  .coverage-navigator .sidebar-tab {
    transition: none;
  }
}

/* Focus styles for accessibility */
.coverage-navigator .sidebar-tab:focus-visible,
.coverage-navigator .find-tile:focus-visible,
.coverage-navigator .btn-generate:focus-visible,
.coverage-navigator .btn-results-nav:focus-visible,
.coverage-navigator .btn-collapse:focus-visible,
.coverage-navigator .mobile-panel-toggle:focus-visible,
.coverage-navigator .btn-algo-info:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .coverage-navigator .widget {
    border-width: 2px;
  }

  .coverage-navigator .find-tile,
  .coverage-navigator .btn-generate,
  .coverage-navigator .btn-results-nav {
    border-width: 2px;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .coverage-navigator .control-panel,
  .coverage-navigator .mobile-panel-toggle,
  .coverage-navigator .route-solver-hud,
  .coverage-navigator .map-scanner-overlay {
    display: none !important;
  }

  .coverage-navigator .map-container {
    position: fixed;
    inset: 0;
  }
}