/*--------------------------------------------------------------------
APPLE MINIMAL — VARIABLES

Global CSS variables used across the UI.
These define the color palette, shadows, spacing, and radii so the
entire interface maintains a consistent Apple-style design language.

Changing values here updates the entire UI theme.
--------------------------------------------------------------------*/
:root {
  --nav-h: 0px;
  --blue: #007aff;
  --blue-light: #e8f1ff;
  --green: #34c759;
  --red: #ff3b30;
  --label: #1d1d1f;
  --secondary: #6e6e73;
  --tertiary: #aeaeb2;
  --separator: #e5e5ea;
  --bg: rgba(255, 255, 255, 0.92);
  --card-radius: 14px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.11);
}

/*--------------------------------------------------------------------
MAP

Full-screen map container.
Positioned absolutely so the map fills the entire viewport except
for the navigation bar height.
--------------------------------------------------------------------*/
.map {
  position: absolute;
  top: var(--nav-h);
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
}

/*--------------------------------------------------------------------
CONTROLS — left panel

Main control panel that contains search, filters, landmarks,
legend, and risk settings.

Positioned on the left side of the map and scrollable when
content exceeds screen height.
--------------------------------------------------------------------*/
#controls {
  position: absolute;
  top: calc(var(--nav-h) + 12px);
  left: 12px;
  width: 316px;
  max-height: calc(100vh - var(--nav-h) - 24px);
  overflow-y: auto;
  overflow-x: visible;
  z-index: 10;
  scrollbar-width: none;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}
#controls::-webkit-scrollbar {
  display: none;
}

/* Shared card style used for most UI panels such as
   filters, legends, search sections, etc.

Creates the frosted glass Apple-like interface effect. */
.panel-card {
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--card-radius);
  border: 1px solid var(--separator);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  margin-top: 8px;
}

/* Section label */
.section-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}

/* Divider between sections */
.panel-divider {
  border: none;
  border-top: 1px solid var(--separator);
  margin: 10px 0;
}

/*--------------------------------------------------------------------
Search card

Container that holds the start and end location inputs
(Mapbox geocoder instances).

Includes visual indicators, input fields, and route controls.
--------------------------------------------------------------------*/
#search-card {
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--card-radius);
  border: 1px solid var(--separator);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  padding: 10px 12px;
  gap: 10px;
  position: relative;
  z-index: 100;
  overflow: visible;
}

/* Icons column: vertical stack of visual indicators for start/middle/end */
#search-icons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  padding: 4px 0;
}

/* Simple circle for start point, pin for end point, and dots for waypoints */
#icon-circle {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  display: block;
}

/* Dots for waypoints: using text with letter-spacing to create evenly spaced dots that scale well */
#icon-dots {
  font-size: 13px;
  color: var(--tertiary);
  line-height: 1;
  letter-spacing: -1px;
}

/* Pin for end point: using text to allow for easy color and size adjustments while maintaining sharpness */
#icon-pin {
  font-size: 13px;
  color: var(--red);
  line-height: 1;
}

/* Inputs column: contains the Mapbox geocoder inputs for start and end locations, stacked vertically */
#search-inputs {
  flex: 1;
  min-width: 0;
}

#geocoder-start {
  position: relative;
  z-index: 2;
}
#geocoder-end {
  position: relative;
  z-index: 1;
}

/* Custom styles to better integrate Mapbox geocoder into our design, and to fix z-index issues with the suggestions dropdown */
#geocoder-start .mapboxgl-ctrl-geocoder,
#geocoder-end .mapboxgl-ctrl-geocoder {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-shadow: none;
  background: transparent;
  overflow: visible;
}

#geocoder-start .mapboxgl-ctrl-geocoder--icon-search,
#geocoder-end .mapboxgl-ctrl-geocoder--icon-search {
  display: none;
}

#geocoder-start .mapboxgl-ctrl-geocoder--input,
#geocoder-end .mapboxgl-ctrl-geocoder--input {
  padding: 5px 28px 5px 2px;
  font-size: 14px;
  height: auto;
  color: var(--label);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

.mapboxgl-ctrl-geocoder .suggestions {
  position: absolute !important;
  z-index: 9999 !important;
  width: 296px;
  left: 0;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--separator);
  overflow: hidden;
}

#input-divider {
  height: 1px;
  background: var(--separator);
  margin: 3px 0;
}

/*-- GPS + Swap buttons --*/
#search-btns {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

#gps-btn,
#swap-btn {
  background: var(--blue-light);
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 13px;
  cursor: pointer;
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.15s;
}
#gps-btn:hover,
#swap-btn:hover {
  background: #d0e4ff;
}

/*-- Landmarks section --*/
#landmarks-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 6px;
}

.landmark-btn {
  background: var(--blue-light);
  border: none;
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--blue);
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  transition:
    background 0.15s,
    color 0.15s;
  white-space: nowrap;
}
.landmark-btn:hover {
  background: var(--blue);
  color: white;
}

/*--------------------------------------------------------------------
Route Panel

Floating panel on the right side of the screen that displays
available route options and travel information.

Includes route toggles and route details.
--------------------------------------------------------------------*/
#route-panel {
  position: fixed;
  top: calc(var(--nav-h) + 16px);
  right: 16px;
  width: 280px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/*-- Route toggle --*/
#route-toggle {
  display: flex;
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--card-radius);
  border: 1px solid var(--separator);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.toggle-btn {
  flex: 1;
  border: none;
  background: none;
  padding: 9px 0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--secondary);
  border-right: 1px solid var(--separator);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  transition:
    background 0.15s,
    color 0.15s;
}
.toggle-btn:last-child {
  border-right: none;
}
.toggle-btn.active {
  background: var(--blue);
  color: white;
  font-weight: 600;
}
.toggle-btn:hover:not(.active) {
  background: var(--blue-light);
  color: var(--blue);
}

/*-- Safety warning --*/
#safety-warning {
  background: #fff4e5;
  border: 1px solid #ffd58a;
  color: #b25000;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 13px;
  border-radius: 12px;
  margin-top: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

/*-- Status --*/
#status {
  background: #f2f2f7;
  border: 1px solid var(--separator);
  color: var(--secondary);
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 10px;
  margin-top: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

/*-- Route info --*/
#info {
  background: var(--bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 6px 8px;
  border-radius: var(--card-radius);
  border: 1px solid var(--separator);
  box-shadow: var(--shadow);
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

.route-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 10px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
  position: relative;
}
.route-row:hover {
  background: #f5f5f7;
}
.route-row.active-route {
  background: var(--blue-light);
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
}

.route-row-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.route-time {
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  min-width: 40px;
  text-align: right;
  white-space: nowrap;
}

.route-sub {
  font-size: 12px;
  color: var(--secondary);
  padding: 2px 8px 8px 24px;
  margin-top: 0;
  text-align: left;
  line-height: 1.3;
  word-break: break-word;
  width: 100%;
}

/*--------------------------------------------------------------------
LEGEND (inside left panel)
--------------------------------------------------------------------*/
.legend-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--label);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
}

.legend-circle {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-line {
  display: inline-block;
  width: 20px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Police station and subway toggle */
.legend-toggle-row {
  gap: 8px;
}

.layer-toggle {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 18px;
  flex-shrink: 0;
}
.layer-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--tertiary);
  border-radius: 18px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-track::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}
.layer-toggle input:checked + .toggle-track {
  background: var(--blue);
}
.layer-toggle input:checked + .toggle-track::after {
  transform: translateX(12px);
}

/*--------------------------------------------------------------------
RISK FILTER (slider + dropdown)
--------------------------------------------------------------------*/
.risk-slider {
  width: 100%;
  margin: 4px 0 2px;
  accent-color: var(--blue);
  cursor: pointer;
  height: 4px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--tertiary);
  margin-bottom: 4px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

.slider-value-label {
  text-align: center;
  font-size: 11px;
  color: var(--secondary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

/* RISK FILTER DROPDOWN */
.dropdown-wrapper {
  position: relative;
  margin-top: 8px;
}

.risk-dropdown {
  width: 100%;
  padding: 10px 36px 10px 12px;
  border-radius: 8px;
  border: 1px solid #d2d2d2;
  background: white;
  font-size: 14px;
  cursor: pointer;
  appearance: none;
  transition: all 0.2s ease;
}

.risk-dropdown:hover {
  border-color: #a0a0a0;
}

.risk-dropdown:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(66, 204, 197, 0.2);
}

/* custom arrow for dropdown */
.dropdown-wrapper::after {
  content: "▼";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: #666;
  pointer-events: none;
}

/*--------------------------------------------------------------------
HOVER TOOLTIP
--------------------------------------------------------------------*/
#hover-tooltip {
  display: none;
  position: fixed;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--separator);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  pointer-events: none;
  z-index: 1000;
  max-width: 200px;
  border-left: 3px solid #8b1e21;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

#hover-name {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--label);
  letter-spacing: -0.2px;
}

#hover-level {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 7px;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-block;
  color: white;
}

#hover-desc {
  font-size: 12px;
  color: var(--secondary);
  margin-bottom: 6px;
  line-height: 1.4;
}

#hover-compare {
  font-size: 11px;
  color: var(--tertiary);
  border-top: 1px solid var(--separator);
  padding-top: 6px;
  margin-top: 2px;
}

/*--------------------------------------------------------------------
WELCOME MODAL
Full-screen modal that appears on first visit to introduce the app.
Includes app logo, description, data sources, and quick start steps.  
--------------------------------------------------------------------*/
#welcome-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
#welcome-box {
  background: #fff;
  border-radius: 20px;
  padding: 36px 40px 28px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  text-align: center;
  animation: welcome-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes welcome-in {
  from {
    opacity: 0;
    transform: scale(0.88) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
#welcome-logo-row {
  margin-bottom: 16px;
}
#welcome-logo {
  height: 160px;
  width: auto;
  border-radius: 22px;
}
#welcome-subtitle {
  font-size: 13px;
  color: #888;
  margin: 0 0 18px;
}
#welcome-sources {
  text-align: left;
  background: #f7f7f7;
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 18px;
}
#welcome-sources-title {
  font-size: 11px;
  font-weight: 600;
  color: #999;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 8px;
}
#welcome-sources ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
#welcome-sources li {
  font-size: 12px;
}
#welcome-sources a {
  color: #007aff;
  text-decoration: none;
}
#welcome-sources a:hover {
  text-decoration: underline;
}
#welcome-steps {
  text-align: left;
  padding: 0;
  margin: 0 0 24px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#welcome-steps li {
  font-size: 14px;
  color: #333;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}
.step-icon {
  font-size: 16px;
  color: #e74c3c;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  margin-top: 1px;
}
#welcome-btn {
  width: 100%;
  padding: 13px;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.2px;
  transition: background 0.2s;
  margin-bottom: 14px;
}
#welcome-btn:hover {
  background: #333;
}
#welcome-skip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: #aaa;
  cursor: pointer;
}
#welcome-skip input {
  cursor: pointer;
}

/*--------------------------------------------------------------------
LOADING MODAL
Full-screen modal with spinner that appears during route calculation or data loading.
--------------------------------------------------------------------*/
#loading-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-box {
  background: white;
  padding: 30px 40px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  font-size: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #ddd;
  border-top: 4px solid var(--blue);
  border-radius: 50%;
  margin: 0 auto 12px auto;
  animation: spin 1s linear infinite;
}

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

/*--------------------------------------------------------------------
RECENT SEARCHES DROPDOWN
--------------------------------------------------------------------*/
#recent-dropdown {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.13);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

.recent-label {
  font-size: 11px;
  font-weight: 600;
  color: #8e8e93;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 10px 14px 4px;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s;
}

.recent-item:hover {
  background: #f2f2f7;
}

.recent-name {
  font-size: 14px;
  color: #1c1c1e;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/*--------------------------------------------------------------------
COLLAPSIBLE SECTIONS
--------------------------------------------------------------------*/
.collapsible-header {
  cursor: pointer;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0;
}

.collapsible-header:hover {
  color: var(--blue);
}

.collapse-arrow {
  font-size: 12px;
  color: var(--tertiary);
  transition: transform 0.2s;
}

.collapsible-header.open .collapse-arrow {
  transform: rotate(180deg);
}

.collapsible-body {
  margin-top: 10px;
}