:root {
  color-scheme: dark;
  --bg: #050509;
  --bg-gradient: radial-gradient(circle at top, #101323 0, #050509 55%, #000 100%);
  --bg-elevated: #0f1017;
  --accent: #35c759;
  --accent-soft: rgba(53, 199, 89, 0.16);
  --accent-secondary: #7dd3fc;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --danger: #f97373;
  --border-subtle: #1f2933;
  --card-radius: 16px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.8);
  --card-gradient: linear-gradient(
    145deg,
    rgba(31, 41, 55, 0.96),
    rgba(15, 23, 42, 0.98)
  );
  --surface-soft: rgba(15, 23, 42, 0.9);
  --input-bg: rgba(15, 23, 42, 0.85);
  --input-border: rgba(148, 163, 184, 0.5);
  --chip-bg: rgba(15, 23, 42, 0.9);
  --chip-border: rgba(148, 163, 184, 0.6);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-gradient: linear-gradient(180deg, #f8fbff 0%, #eef3fb 100%);
  --bg-elevated: #ffffff;
  --accent: #16a34a;
  --accent-soft: rgba(22, 163, 74, 0.12);
  --accent-secondary: #0c4a6e;
  --text: #0f172a;
  --text-muted: #334155;
  --danger: #dc2626;
  --border-subtle: #cbd5e1;
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.12);
  --card-gradient: linear-gradient(180deg, #ffffff, #f8fafc);
  --surface-soft: #eef2f7;
  --input-bg: #ffffff;
  --input-border: #94a3b8;
  --chip-bg: #eef2f7;
  --chip-border: #94a3b8;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-gradient);
  color: var(--text);
  font-family: var(--font-main);
}

body {
  min-height: 100vh;
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.app-header {
  text-align: left;
  margin-bottom: 1.25rem;
}

.app-header h1 {
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}

.subtitle {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.mini-footer {
  margin-top: 1.15rem;
  padding-top: 0.8rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.3);
  text-align: center;
}

.mini-footer-line {
  margin: 0.15rem 0;
  color: var(--text-muted);
  font-size: 0.74rem;
  line-height: 1.35;
}

.mini-donate {
  display: inline-block;
  margin-top: 0.38rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--text-muted);
  font-size: 0.72rem;
  text-decoration: none;
  background: var(--surface-soft);
}

.mini-donate:active {
  transform: scale(0.98);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.7rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.lang-switch select,
.theme-switch select,
.navapp-switch select {
  background: var(--surface-soft);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 10px;
  padding: 0.2rem 0.45rem;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.5rem;
  margin-left: 0.65rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.navapp-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.5rem;
  margin-left: 0.65rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--card-gradient);
  border-radius: var(--card-radius);
  padding: 1.1rem 1.1rem 1.2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}

.hint {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hint.compact {
  margin-top: -0.2rem;
  margin-bottom: 0.55rem;
  font-size: 0.82rem;
}

.cta-hint {
  margin-top: 0.15rem;
  margin-bottom: 0.45rem;
}

.btn {
  width: 100%;
  border-radius: 999px;
  padding: 0.85rem 1.1rem;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease,
    opacity 0.1s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.big {
  padding-block: 1.1rem;
  font-size: 1.05rem;
}

.btn.primary {
  background: linear-gradient(145deg, #22c55e, #16a34a);
  color: #021109;
  box-shadow: 0 14px 30px rgba(34, 197, 94, 0.35);
}

.btn.secondary {
  background: var(--surface-soft);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.btn:active {
  transform: scale(0.97) translateY(1px);
  box-shadow: none;
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
  box-shadow: none;
}

.file-input-label {
  display: block;
  margin-bottom: 0.6rem;
}

.file-input-label input[type="file"] {
  display: none;
}

.file-input-label span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  border: 1px dashed rgba(148, 163, 184, 0.8);
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  background: var(--surface-soft);
}

.file-input-label span:active {
  transform: scale(0.98);
}

.status-text {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.status-text strong {
  color: var(--accent);
}

.status-text.error {
  color: var(--danger);
}

.status-text.info {
  color: var(--accent-secondary);
}

.range-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.label-with-info {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.info-tip {
  margin: 0.2rem 0 0.35rem;
}

.info-tip.inline {
  margin: 0;
}

.info-tip summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  color: var(--text-muted);
  font-size: 0.72rem;
  cursor: pointer;
  user-select: none;
}

.info-tip summary::-webkit-details-marker {
  display: none;
}

.info-tip p {
  margin: 0.35rem 0 0;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  background: var(--surface-soft);
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.45rem;
}

.range-row input[type="number"] {
  width: 28%;
  padding: 0.5rem 0.6rem;
  border-radius: 12px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
}

.range-row span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.range-row input#corridor-width {
  width: 30%;
}

.range-mode {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.poi-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.45rem 0 0.75rem;
}

#clear-filters-btn {
  width: auto;
  margin-top: -0.05rem;
  margin-bottom: 0.55rem;
  padding: 0.34rem 0.72rem;
  font-size: 0.76rem;
  opacity: 0.78;
}

#clear-filters-btn.subtle-action {
  text-transform: none;
  letter-spacing: 0.02em;
}

#clear-filters-btn.subtle-action:hover,
#clear-filters-btn.subtle-action:focus-visible {
  opacity: 1;
}

#show-map-btn {
  margin-top: 0.45rem;
}

.filter-title {
  margin: 0.7rem 0 0.2rem;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.chip {
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  text-transform: none;
}

.chip.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.poi-list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
}

.poi-item {
  padding: 0.7rem 0.4rem;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.35);
}

.poi-line-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.poi-distance {
  font-weight: 600;
  color: var(--accent);
  margin-right: 0.7rem;
  white-space: nowrap;
}

.poi-name {
  flex: 1;
}

.poi-type {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.poi-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.poi-actions a {
  text-decoration: none;
}

.poi-action-btn {
  width: 100%;
}

.map-view {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #050509;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hidden {
  display: none;
}

.map-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(5, 5, 9, 0.95);
  position: relative;
  z-index: 1200;
  overflow: visible;
}

.map-header .btn {
  width: auto;
  min-width: 120px;
  padding: 0.6rem 0.95rem;
  font-size: 0.9rem;
}

.map-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

.map-unpaved-mode {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.map-unpaved-mode select {
  background: var(--surface-soft);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 8px;
  padding: 0.15rem 0.35rem;
  font-size: 0.78rem;
}

.map-toggle input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: #22c55e;
}

.map-title {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.map-status {
  margin: 0.15rem 0 0;
  color: #f59e0b;
  font-size: 0.78rem;
  text-align: left;
  flex-basis: 100%;
  max-width: 100%;
}

.map-inline-tip {
  position: relative;
}

.map-inline-tip p {
  position: absolute;
  left: 0;
  right: auto;
  top: 1.3rem;
  width: min(92vw, 320px);
  z-index: 1300;
}

.map-container {
  height: calc(100dvh - 64px);
  min-height: 320px;
  position: relative;
  z-index: 1;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: #0f172a;
  color: var(--text);
}

.leaflet-popup-content {
  margin: 0.65rem 0.75rem;
}

.map-legend {
  background: rgba(5, 10, 20, 0.9);
  color: #e5e7eb;
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 10px;
  padding: 0.45rem 0.55rem;
  font-size: 0.76rem;
  line-height: 1.35;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.legend-swatch {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.popup-title {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.popup-meta {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.popup-link {
  display: inline-block;
  padding: 0.32rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  text-decoration: none;
  color: var(--text);
  font-size: 0.82rem;
}

@media (min-width: 640px) {
  #app {
    padding-inline: 1.5rem;
  }

  .card {
    padding-inline: 1.4rem;
  }
}

/* ---------- Imported route banner (?gpx= hand-off) ----------
   Shown at the top of step 1 when the app was opened with a route
   pre-loaded from a sister project. Visually tinted in the existing
   `.status-text.info` colour family so it reads as "info, not action
   needed". Falls back to plain rgba on browsers without color-mix.   */
.imported-banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  margin-bottom: 0.85rem;
  background: rgba(125, 211, 252, 0.10);
  border: 1px solid rgba(125, 211, 252, 0.55);
  border-left-width: 4px;
  border-radius: 12px;
  color: var(--text);
}

@supports (background: color-mix(in srgb, red, blue)) {
  .imported-banner {
    background: color-mix(in srgb, var(--accent-secondary) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent-secondary) 55%, transparent);
  }
}

:root[data-theme="light"] .imported-banner {
  background: rgba(12, 74, 110, 0.06);
  border-color: rgba(12, 74, 110, 0.40);
}

@supports (background: color-mix(in srgb, red, blue)) {
  :root[data-theme="light"] .imported-banner {
    background: color-mix(in srgb, var(--accent-secondary) 8%, transparent);
    border-color: color-mix(in srgb, var(--accent-secondary) 40%, transparent);
  }
}

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

.imported-banner-icon {
  flex: 0 0 auto;
  color: var(--accent-secondary);
  display: flex;
  align-items: flex-start;
  padding-top: 0.15rem;
}

.imported-banner-icon svg {
  width: 22px;
  height: 22px;
}

.imported-banner-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.imported-banner-title {
  margin: 0;
  font-weight: 600;
  color: var(--text);
}

.imported-banner-meta,
.imported-banner-source {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  word-wrap: break-word;
}

.imported-banner-meta .dot {
  margin: 0 0.35rem;
  opacity: 0.55;
}

.imported-banner-source:empty {
  display: none;
}

.imported-banner-cta {
  margin: 0.4rem 0 0;
}

.imported-banner-link {
  color: var(--accent-secondary);
  font-weight: 600;
  text-decoration: none;
}

.imported-banner-link:hover,
.imported-banner-link:focus-visible {
  text-decoration: underline;
}