:root {
  --bg: #FAF7F2;
  --bg-elevated: #FFFFFF;
  --bg-subtle: #F2ECE3;
  --text: #1F2428;
  --text-muted: #5C646D;
  --border: #E4DDD2;
  --accent: #B84A27;
  --accent-hover: #9B3B1D;
  --accent-soft: #FCECE6;
  --wine: #6B2D3E;
  --wine-soft: #F6E9ED;
  --amber-bg: #FEF6E4;
  --amber-border: #F2C96B;
  --amber-text: #7A4F08;
  --danger-bg: #FDF0EE;
  --danger-border: #EDA79D;
  --danger-text: #8B261A;
  --success: #1E7A50;
  --shadow-sm: 0 2px 8px rgba(31, 36, 40, 0.05);
  --shadow-md: 0 8px 24px rgba(31, 36, 40, 0.08);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
}

html[data-theme="dark"] {
  --bg: #121619;
  --bg-elevated: #1B2126;
  --bg-subtle: #242C33;
  --text: #F1F4F7;
  --text-muted: #A3AFB9;
  --border: #2E3841;
  --accent: #E06B46;
  --accent-hover: #F0805C;
  --accent-soft: #36221B;
  --wine: #D47A92;
  --wine-soft: #311E24;
  --amber-bg: #2D2514;
  --amber-border: #785B1A;
  --amber-text: #F6D58E;
  --danger-bg: #321C19;
  --danger-border: #7F3128;
  --danger-text: #F7B4AB;
  --success: #3DB87E;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 126px;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

.eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.brand-title {
  font-size: 1.18rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Quick Nav */
.section-nav {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.nav-pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-top: 7px;
  padding-bottom: 7px;
  scrollbar-width: none;
}

.nav-pills::-webkit-scrollbar {
  display: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 999px;
  transition: all 0.16s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* Buttons */
button {
  font-family: inherit;
  cursor: pointer;
}

.btn-icon, .btn-ghost, .btn-secondary, .btn-primary, .btn-ghost-sm {
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all 0.16s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
  font-size: 1rem;
}

.btn-ghost {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
}

.btn-ghost:hover, .btn-icon:hover {
  border-color: var(--accent);
}

.btn-ghost-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
}

.btn-secondary {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
}

.btn-primary {
  padding: 11px 16px;
  border: none;
  background: var(--accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.full-w {
  width: 100%;
}

/* Main Layout */
.main-content {
  padding-top: 20px;
  padding-bottom: 56px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Hero */
.hero-card {
  background: linear-gradient(135deg, #2B1814 0%, #5B2427 55%, #9E4025 100%);
  color: #FAF7F2;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
}

.hero-card h2 {
  font-size: clamp(1.32rem, 3vw, 1.78rem);
  margin-bottom: 10px;
}

.hero-card p {
  font-size: 0.94rem;
  color: rgba(250, 247, 242, 0.88);
  max-width: 78ch;
}

/* Configurator */
.config-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.config-group-wide {
  grid-column: 1 / -1;
}

.config-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  background: var(--bg-subtle);
  padding: 5px;
  border-radius: 13px;
}

.seg-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 9px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: all 0.15s ease;
}

.segmented-compact .seg-btn {
  text-align: center;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.88rem;
}

.seg-btn strong {
  font-size: 0.92rem;
}

.seg-btn small {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
}

.seg-btn.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.seg-btn.active strong,
.segmented-compact .seg-btn.active {
  color: var(--accent);
}

/* KPI Strip */
.kpi-strip {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.kpi-box {
  background: var(--bg-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

.kpi-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
}

.kpi-value {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2px;
  display: block;
}

.kpi-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Generic Card Section */
.card-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  display: block;
  margin-bottom: 3px;
}

.section-header h3 {
  font-size: 1.35rem;
}

.section-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Map */
.map-container {
  width: 100%;
  height: 390px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  z-index: 1;
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 5px;
}

.dot-base { background: #B84A27; }
.dot-scenic { background: #6B2D3E; }
.dot-fuel { background: #D97706; }

/* Callouts */
.callout {
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 16px;
  border-left: 4px solid;
}

.callout-tip {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.callout-important {
  background: var(--amber-bg);
  border-left-color: var(--amber-border);
  color: var(--amber-text);
}

.callout-warning {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-left: 5px solid var(--danger-text);
  color: var(--danger-text);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 0.9rem;
}

/* Timeline */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.day-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: var(--bg);
  transition: border-color 0.15s ease;
}

.day-card:hover {
  border-color: var(--accent);
}

.day-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.day-badge-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.day-num {
  background: var(--accent);
  color: #FFF;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.day-title {
  font-size: 1.08rem;
  font-weight: 700;
}

.day-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metric-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.metric-route {
  color: var(--wine);
  background: var(--wine-soft);
  border-color: transparent;
}

.day-desc {
  font-size: 0.91rem;
  color: var(--text);
  margin-bottom: 12px;
}

.day-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.fuel-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.fuel-badge.critical {
  color: var(--amber-text);
  background: var(--amber-bg);
  padding: 4px 10px;
  border-radius: 7px;
  border: 1px solid var(--amber-border);
}

.day-actions {
  display: flex;
  gap: 8px;
}

.link-btn {
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Lodging Grid */
.fav-counter {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--wine-soft);
  color: var(--wine);
  white-space: nowrap;
}

.lodging-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stop-lodging-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--bg);
}

.stop-lodging-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.stop-lodging-header h4 {
  font-size: 1.08rem;
}

.stop-nights {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
}

.stop-options-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.lodging-option {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.lodging-option.selected {
  border: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 35%, var(--bg-elevated));
}

.tier-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 6px;
}

.tier-boutique {
  background: var(--wine-soft);
  color: var(--wine);
}

.tier-cabin {
  background: var(--bg-subtle);
  color: var(--text-muted);
}

.lodging-name {
  font-weight: 700;
  font-size: 0.96rem;
  margin-bottom: 4px;
}

.lodging-notes {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lodging-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.btn-fav {
  padding: 5px 11px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
}

.lodging-option.selected .btn-fav {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* Experiences Grid */
.experiences-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.exp-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.exp-place {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--wine);
}

.exp-card h4 {
  font-size: 1.05rem;
  margin-top: 2px;
}

.exp-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.exp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}

/* Fuel Calculator */
.calc-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
}

.field small {
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.calc-results {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.calc-big {
  font-family: 'Fraunces', serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--accent);
}

.calc-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}

/* Checklist */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.progress-bar {
  flex: 1;
  height: 10px;
  background: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--success);
  transition: width 0.25s ease;
}

.progress-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.check-group {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 15px;
}

.check-group h4 {
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 7px 0;
  font-size: 0.87rem;
  cursor: pointer;
}

.check-item input[type="checkbox"] {
  margin-top: 3px;
  width: 17px;
  height: 17px;
  accent-color: var(--success);
  flex-shrink: 0;
}

.check-item.done span {
  text-decoration: line-through;
  color: var(--text-muted);
}

.notes-box {
  margin-top: 18px;
}

.notes-box label {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.notes-box textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
}

/* Comparison */
.comparison-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 16px;
}

.comp-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.comp-header span {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comp-a span { color: var(--accent); }
.comp-b span { color: var(--wine); }

.comp-header h4 {
  font-size: 1.2rem;
  margin-top: 2px;
}

.comp-list {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
}

/* Footer & Toast */
.site-footer {
  padding: 24px 0 40px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(90px);
  background: #1F2428;
  color: #FFF;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: all 0.25s ease;
  z-index: 2000;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 760px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
  .kpi-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-layout {
    grid-template-columns: 1fr;
  }
  .map-container {
    height: 310px;
  }
  .hide-xs {
    display: none;
  }
}