:root {
  --bg: #eef3f8;
  --bg-accent: #dfe7f1;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-soft: #f7f9fc;
  --line: rgba(71, 85, 105, 0.14);
  --line-strong: rgba(71, 85, 105, 0.2);
  --text: #122033;
  --muted: #5f6f84;
  --primary: #1f6feb;
  --primary-deep: #1657b7;
  --secondary: #2a8b7b;
  --secondary-deep: #1f6d61;
  --facebook: #1877f2;
  --shadow-soft: 0 18px 42px rgba(25, 42, 70, 0.08);
  --shadow-card: 0 8px 22px rgba(25, 42, 70, 0.06);
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.08), transparent 28%),
    linear-gradient(180deg, #f6f9fc 0%, var(--bg) 100%);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

button,
a,
input {
  font: inherit;
}

.app-shell {
  max-width: 1520px;
  margin: 0 auto;
  padding: 12px;
}

.layout {
  display: grid;
  gap: 12px;
  animation: fade-in 0.35s ease;
}

.map-panel,
.track-list-panel,
.details-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.map-frame {
  padding: 9px;
}

.map {
  min-height: 42vh;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-accent);
}

.status-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(196, 102, 53, 0.16);
  border-radius: var(--radius-md);
  background: #fff5ee;
  color: #8d4a27;
  font-weight: 600;
}

.status-banner[hidden] {
  display: none;
}

.status-close,
.location-dismiss,
.map-chooser-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(18, 32, 51, 0.08);
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.status-close:hover,
.status-close:focus-visible,
.location-dismiss:hover,
.location-dismiss:focus-visible,
.map-chooser-close:hover,
.map-chooser-close:focus-visible {
  background: rgba(18, 32, 51, 0.14);
  color: var(--text);
  transform: translateY(-1px);
  outline: none;
}

.sidebar {
  display: grid;
  gap: 12px;
  min-height: 0;
}

.sidebar-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.location-action {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.location-action[hidden] {
  display: none;
}

.location-button,
.list-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.location-button {
  background: rgba(42, 139, 123, 0.12);
  border-color: rgba(42, 139, 123, 0.16);
  color: var(--secondary-deep);
}

.location-button:hover,
.location-button:focus-visible {
  background: rgba(42, 139, 123, 0.18);
  transform: translateY(-1px);
  outline: none;
}

.location-button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.list-toggle {
  background: rgba(18, 32, 51, 0.06);
  border-color: rgba(18, 32, 51, 0.08);
  color: var(--text);
}

.list-toggle:hover,
.list-toggle:focus-visible {
  background: rgba(18, 32, 51, 0.1);
  transform: translateY(-1px);
  outline: none;
}

.track-list-panel,
.details-panel {
  padding: 12px;
}

.panel-header {
  margin-bottom: 10px;
}

.panel-header h2 {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.track-list {
  display: grid;
  gap: 7px;
  padding-bottom: 10px;
  scroll-behavior: smooth;
}

.track-list-item {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.track-list-item:hover,
.track-list-item:focus-visible {
  border-color: rgba(31, 111, 235, 0.24);
  background: #ffffff;
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
  outline: none;
}

.track-list-item.is-selected {
  border-color: rgba(31, 111, 235, 0.28);
  background: linear-gradient(180deg, #ffffff 0%, #f2f7ff 100%);
  box-shadow: inset 3px 0 0 var(--primary), var(--shadow-card);
}

.track-list-name {
  display: block;
  margin-bottom: 3px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.track-list-address {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.36;
}

.track-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.track-list-distance,
.track-list-facebook {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1;
}

.track-list-distance {
  background: rgba(42, 139, 123, 0.12);
  color: var(--secondary-deep);
}

.track-list-facebook {
  background: rgba(24, 119, 242, 0.1);
  color: #0f56b8;
  text-decoration: none;
}

.details-content {
  display: grid;
  gap: 8px;
}

.placeholder {
  margin: 0;
  color: var(--muted);
}

.actions-row {
  display: grid;
  gap: 8px;
}

.actions-row-top {
  margin-bottom: 2px;
}

.facebook-button,
.navigate-button,
.map-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 15px;
  border-radius: var(--radius-md);
  border: 0;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease, background 0.18s ease;
}

.facebook-button {
  width: 100%;
  background: rgba(24, 119, 242, 0.1);
  color: #0f56b8;
  box-shadow: none;
}

.facebook-button:hover,
.facebook-button:focus-visible {
  background: rgba(24, 119, 242, 0.16);
  transform: translateY(-1px);
  outline: none;
}

.navigate-button {
  width: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  color: #ffffff;
  box-shadow: 0 14px 26px rgba(31, 111, 235, 0.22);
  cursor: pointer;
}

.navigate-button:hover,
.navigate-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px rgba(31, 111, 235, 0.26);
  filter: saturate(1.04);
  outline: none;
}

.action-note {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
}

.detail-group {
  display: grid;
  gap: 3px;
  padding: 7px 2px;
  border-bottom: 1px solid rgba(71, 85, 105, 0.1);
}

.detail-group:last-child {
  border-bottom: 0;
}

.detail-label {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-value {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.3;
}

.detail-link {
  color: var(--primary-deep);
  text-decoration-thickness: 2px;
}

.map-chooser {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  align-items: end;
}

.map-chooser[hidden] {
  display: none;
}

.map-chooser-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 32, 51, 0.34);
  backdrop-filter: blur(6px);
}

.map-chooser-sheet {
  position: relative;
  margin: 0 12px 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 48px rgba(18, 32, 51, 0.2);
  animation: rise-in 0.22s ease;
}

.map-chooser-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.map-chooser-eyebrow {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.map-chooser-header h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.15;
}

.map-chooser-actions {
  display: grid;
  gap: 8px;
}

.map-option[hidden] {
  display: none;
}

.map-option-google {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  color: #fff;
}

.map-option-apple {
  background: rgba(18, 32, 51, 0.08);
  color: var(--text);
}

.track-marker {
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.track-marker.is-selected {
  background: var(--secondary);
  box-shadow: 0 0 0 6px rgba(42, 139, 123, 0.22);
  transform: scale(1.1);
}

.current-location-marker {
  width: 18px;
  height: 18px;
  border: 3px solid #ffffff;
  border-radius: 999px;
  background: #2878ff;
  box-shadow: 0 0 0 6px rgba(40, 120, 255, 0.18);
}

.leaflet-div-icon {
  background: transparent;
  border: 0;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: #ffffff;
}

.track-list-panel[hidden] {
  display: none;
}

@media (min-width: 900px) {
  body {
    overflow: hidden;
  }

  .app-shell {
    padding: 14px;
    height: 100dvh;
  }

  .layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(340px, 410px);
    align-items: stretch;
    height: calc(100dvh - 28px);
  }

  .map-panel {
    height: 100%;
  }

  .map-frame {
    height: 100%;
  }

  .map {
    height: 100%;
    min-height: 0;
  }

  .sidebar {
    grid-template-rows: auto auto minmax(0, 1fr);
    min-height: 0;
    height: 100%;
  }

  .sidebar-toolbar {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .location-action {
    width: 100%;
  }

  .location-button {
    width: 100%;
  }

  .track-list-panel {
    display: block !important;
    min-height: 0;
    overflow: hidden;
  }

  .track-list {
    height: 100%;
    overflow: auto;
    padding-right: 4px;
    padding-bottom: 16px;
  }

  .list-toggle {
    display: none;
  }

  .details-panel {
    align-self: start;
    max-height: min(34dvh, 340px);
    overflow: auto;
  }

  .map-chooser {
    align-items: center;
    justify-items: center;
  }

  .map-chooser-sheet {
    width: min(420px, calc(100vw - 32px));
    margin: 0;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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