:root {
  --limo: #0066CC;
  --wigo: #7B2D8B;
  --greengo: #00A651;
  --owncar: #666;
  --bg: #f5f6f8;
  --card-bg: #fff;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding: 16px;
}

.container { max-width: 1200px; margin: 0 auto; }

header { text-align: center; padding: 24px 0 16px; }
header h1 { font-size: 1.8rem; font-weight: 700; }
.subtitle { color: var(--text-muted); margin-top: 4px; }

/* ── Mode tabs ── */
.mode-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.mode-tab {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.mode-tab:not(:last-child) { border-right: 1px solid var(--border); }
.mode-tab:hover { background: var(--bg); }
.mode-tab.active { background: var(--limo); color: #fff; }

/* ── Duration buttons (one-off) ── */
.duration-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.duration-buttons button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}

.duration-buttons button:hover { border-color: var(--limo); }
.duration-buttons button.active { background: var(--limo); color: #fff; border-color: var(--limo); }

.custom-days { margin-top: 8px; }

.calculator {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}

/* ── Input Panel ── */
.input-panel {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-group {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}

.input-group h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

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

.section-header h3 { margin-bottom: 0; }

.input-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.input-group input[type="number"],
.input-group select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  margin-top: 3px;
  background: var(--bg);
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--limo);
  box-shadow: 0 0 0 2px rgba(0,102,204,0.15);
}

.input-with-unit {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 3px;
}

.input-with-unit input { flex: 1; margin-top: 0 !important; }
.input-with-unit span { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }

.hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary { background: var(--limo); color: #fff; }
.btn-primary:hover { background: #0055aa; }

.btn-secondary {
  background: transparent;
  color: var(--limo);
  border: 1px dashed var(--border);
  padding: 7px 15px;
}
.btn-secondary:hover { border-color: var(--limo); background: rgba(0,102,204,0.04); }

.btn-small {
  padding: 4px 12px;
  font-size: 0.8rem;
  background: transparent;
  color: var(--limo);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
.btn-small:hover { border-color: var(--limo); }

.btn-icon {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.btn-icon:hover { color: #ef4444; }

/* ── Trip Profile Cards ── */
.trip-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
}

.trip-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.trip-name-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 4px 0;
  color: var(--text);
  border-bottom: 1px solid transparent;
}

.trip-name-input:hover,
.trip-name-input:focus {
  border-bottom-color: var(--border);
  outline: none;
}

.trip-card-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.trip-card-fields label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.trip-card-fields input,
.trip-card-fields select {
  font-size: 0.85rem;
  padding: 5px 8px;
}

.empty-state {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.empty-results {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* ── Checkbox ── */
.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--greengo);
}

/* ── Filter buttons ── */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.filter-btn {
  padding: 5px 12px;
  border: 2px solid var(--accent, var(--border));
  border-radius: 6px;
  background: var(--card-bg);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent, var(--text));
  transition: all 0.15s;
}

.filter-btn.active { background: var(--accent, var(--text)); color: #fff; }
.filter-btn:not(.active) { opacity: 0.5; }

/* ── Results Panel ── */
.results-panel { min-height: 400px; }

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.results-header h2 { font-size: 1.2rem; }

/* ── Result Cards ── */
.result-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.result-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.result-card.rank-1 { border-color: #22c55e; box-shadow: 0 0 0 1px #22c55e; }

.card-main {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  gap: 14px;
  cursor: pointer;
  user-select: none;
}

.card-rank {
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 32px;
  text-align: center;
  color: var(--text-muted);
}

.rank-1 .card-rank { color: #22c55e; }
.rank-2 .card-rank { color: #64748b; }
.rank-3 .card-rank { color: #b45309; }

.card-color-bar {
  width: 4px;
  align-self: stretch;
  border-radius: 2px;
  flex-shrink: 0;
  min-height: 36px;
}

.card-car-img {
  width: 80px;
  height: 45px;
  object-fit: contain;
  flex-shrink: 0;
}

.card-info { flex: 1; min-width: 0; }
.card-company { font-weight: 700; font-size: 0.95rem; }
.card-vehicle { font-size: 0.82rem; color: var(--text-muted); }

.sub-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 4px;
}

.sub-fee {
  background: #fef3c7;
  color: #92400e;
}

.sub-credit {
  background: #d1fae5;
  color: #065f46;
}

.no-sub {
  background: var(--bg);
  color: var(--text-muted);
}

/* ── Vehicle info badges ── */
.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 3px;
}

.info-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.size-badge {
  background: #e0e7ff;
  color: #3730a3;
}

.vignette-badge {
  background: #dbeafe;
  color: #1e40af;
}

.no-vignette-badge {
  background: #fee2e2;
  color: #991b1b;
}

/* ── Vehicle filter groups ── */
.vehicle-filter-group {
  margin-bottom: 8px;
}

.vehicle-filter-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}

#vehicleFilters .filter-buttons {
  margin-bottom: 4px;
}

#vehicleFilters .filter-btn {
  font-size: 0.72rem;
  padding: 3px 8px;
}

.filter-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-top: 10px;
  margin-bottom: 6px;
}

.card-prices { text-align: right; flex-shrink: 0; }

.card-monthly-cost { font-size: 1.15rem; font-weight: 700; }
.per-label { font-size: 0.75rem; font-weight: 400; color: var(--text-muted); margin-left: 2px; }

.card-trip-detail { font-size: 0.8rem; color: var(--text-muted); }

.card-cost-bar { height: 3px; background: var(--bg); }
.card-cost-bar-fill { height: 100%; border-radius: 0 2px 2px 0; transition: width 0.3s; }

/* ── Breakdown ── */
.card-breakdown {
  display: none;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--border);
}

.result-card.expanded .card-breakdown { display: block; }

.breakdown-table { width: 100%; font-size: 0.82rem; border-collapse: collapse; }
.breakdown-table td { padding: 3px 0; }
.breakdown-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.breakdown-table .total-row td { border-top: 2px solid var(--text); font-weight: 700; padding-top: 8px; margin-top: 4px; }
.breakdown-table .discount-row td { color: #22c55e; }
.breakdown-table .fee-row td { color: var(--text-muted); }
.breakdown-table .profile-header-row td {
  padding-top: 8px;
  font-size: 0.8rem;
  color: var(--text);
}
.breakdown-table .profile-header-row:first-child td { padding-top: 0; }

.breakdown-table .tip-row td {
  color: #2563eb;
  font-style: italic;
  padding-top: 6px;
  font-size: 0.8rem;
}

.results-disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  line-height: 1.6;
}

/* ── Onboarding ── */
.onboarding {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.onboarding-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 32px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.onboarding-card h2 { font-size: 1.3rem; margin-bottom: 8px; }
.onboarding-card > p { color: var(--text-muted); margin-bottom: 20px; font-size: 0.95rem; }

.onboarding-trip {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
}

.onboarding-trip-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.onboarding-actions {
  margin-top: 20px;
  text-align: right;
}

.onboarding-actions .btn-primary {
  padding: 12px 32px;
  font-size: 1rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .calculator { grid-template-columns: 1fr; }
  .input-panel { position: static; }
  header h1 { font-size: 1.4rem; }

  .card-main { flex-wrap: wrap; }
  .card-prices {
    width: 100%;
    text-align: left;
    margin-top: 4px;
    padding-left: 50px;
  }
  .card-monthly-cost { display: inline; }
  .card-trip-detail { display: inline; margin-left: 12px; }

  .onboarding-card { padding: 20px; }
  .trip-card-fields { grid-template-columns: 1fr; }
}