:root {
  color-scheme: light;
  --bg: #f4ecdf;
  --bg-strong: #ead7c3;
  --surface: rgba(255, 250, 244, 0.84);
  --surface-strong: rgba(255, 252, 248, 0.96);
  --border: rgba(62, 72, 88, 0.14);
  --text: #20303c;
  --muted: #5d6c79;
  --accent: #0d7a6a;
  --accent-strong: #0a5a4f;
  --accent-soft: rgba(13, 122, 106, 0.12);
  --shadow: 0 26px 80px rgba(39, 43, 47, 0.16);
  --radius-xl: 30px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.78), transparent 34%),
    radial-gradient(circle at bottom right, rgba(13, 122, 106, 0.16), transparent 28%),
    linear-gradient(145deg, #f7efe2 0%, #f0e4d4 44%, #ead8c1 100%);
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 24px;
  min-height: 100vh;
  padding: 24px;
}

.control-panel,
.map-stage {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.control-panel {
  padding: 30px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.9), transparent 34%),
    linear-gradient(180deg, var(--surface-strong), var(--surface));
  animation: panel-rise 600ms ease-out both;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 0.98;
}

.intro-copy {
  margin: 18px 0 0;
  max-width: 32rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.travel-form {
  margin-top: 28px;
}

.field {
  display: block;
}

.field + .field,
.field + .advanced-panel,
.control-grid,
.transit-only,
.primary-button,
.status-card {
  margin-top: 18px;
}

.field-label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.92rem;
  font-weight: 600;
}

.field-hint,
.advanced-copy,
.map-caption {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.location-row,
.control-grid {
  display: grid;
  gap: 14px;
}

.location-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.control-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(38, 53, 66, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

input:focus,
select:focus,
button:focus {
  outline: none;
  border-color: rgba(13, 122, 106, 0.48);
  box-shadow: 0 0 0 5px rgba(13, 122, 106, 0.12);
}

input:hover,
select:hover {
  transform: translateY(-1px);
}

.range-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(38, 53, 66, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

output {
  min-width: 68px;
  font-weight: 600;
  text-align: right;
}

.primary-button,
.secondary-button {
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    opacity 180ms ease;
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.secondary-button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.primary-button {
  width: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: white;
  font-weight: 600;
  box-shadow: 0 18px 32px rgba(10, 90, 79, 0.24);
}

.secondary-button {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 600;
}

.advanced-panel {
  padding: 14px 16px 18px;
  border: 1px solid rgba(38, 53, 66, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.54);
}

.advanced-panel summary {
  cursor: pointer;
  font-weight: 600;
}

.advanced-panel[open] summary {
  margin-bottom: 16px;
}

.status-card {
  padding: 18px;
  border: 1px solid rgba(38, 53, 66, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
}

.status-card.is-loading {
  animation: status-pulse 1.2s ease-in-out infinite;
}

.status-text {
  margin: 0;
  line-height: 1.5;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin: 18px 0 0;
}

.summary-grid div {
  padding: 12px;
  border-radius: 16px;
  background: rgba(13, 122, 106, 0.08);
}

.summary-grid dt {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-grid dd {
  margin: 8px 0 0;
  font-weight: 600;
}

.map-stage {
  background: #dce6e5;
  animation: panel-rise 700ms ease-out 90ms both;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 70vh;
}

.map-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 500;
  margin: 0;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(10px);
}

.leaflet-control-attribution {
  background: rgba(255, 255, 255, 0.82);
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: rgba(255, 255, 255, 0.96);
}

@keyframes panel-rise {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }

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

@keyframes status-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(13, 122, 106, 0.08);
  }

  50% {
    box-shadow: 0 0 0 12px rgba(13, 122, 106, 0.03);
  }
}

@media (max-width: 980px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .control-panel {
    order: 1;
  }

  .map-stage {
    min-height: 60vh;
  }
}

@media (max-width: 680px) {
  .page-shell {
    padding: 14px;
    gap: 14px;
  }

  .control-panel {
    padding: 22px;
  }

  .location-row,
  .control-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .secondary-button {
    width: 100%;
  }

  .map-caption {
    right: 12px;
    left: 12px;
    text-align: center;
    border-radius: 14px;
  }
}