:root {
  --forest: #1f4d3a;
  --forest-dark: #16362a;
  --forest-light: #2f6b4f;
  --sunset: #d97b3f;
  --sunset-light: #f0a868;
  --cream: #faf6ef;
  --card: #ffffff;
  --ink: #22291f;
  --ink-muted: #6b7266;
  --border: #e4e0d4;
  --shadow: 0 2px 10px rgba(31, 77, 58, 0.08);
  --shadow-lg: 0 8px 30px rgba(31, 77, 58, 0.14);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: Georgia, 'Times New Roman', serif; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--forest);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 1.3rem; font-weight: 700; font-family: Georgia, serif; }
.brand-mark { color: var(--sunset-light); font-size: 1.1rem; }
.brand-dot { color: var(--sunset-light); font-weight: 400; }
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,0.08); padding: 4px; border-radius: 10px; }
.tab-btn {
  background: transparent; border: none; color: rgba(255,255,255,0.75);
  padding: 8px 18px; border-radius: 8px; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
}
.tab-btn:hover { color: #fff; }
.tab-btn.active { background: #fff; color: var(--forest); }

.account-widget { display: flex; align-items: center; gap: 10px; }
.account-email { color: rgba(255,255,255,0.85); font-size: 0.85rem; }
.account-btn {
  background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.3);
  padding: 8px 16px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
.account-btn.primary { background: var(--sunset); border-color: var(--sunset); }
.account-btn:hover { opacity: 0.9; }

/* ---------- Auth modal ---------- */
.auth-modal-overlay {
  position: fixed; inset: 0; background: rgba(22,54,42,0.55); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.auth-modal {
  background: var(--card); border-radius: var(--radius); padding: 28px 26px; width: 100%; max-width: 360px;
  position: relative; box-shadow: var(--shadow-lg);
}
.auth-modal h3 { margin: 0 0 4px; color: var(--forest-dark); }
.auth-modal .muted { margin: 0 0 16px; }
.auth-modal-close { position: absolute; top: 14px; right: 16px; background: none; border: none; font-size: 1.1rem; cursor: pointer; color: var(--ink-muted); }
.auth-mode-toggle { display: flex; gap: 16px; margin-bottom: 16px; font-size: 0.88rem; }
.auth-mode-toggle label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.auth-field { display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; color: var(--ink-muted); font-weight: 600; margin-bottom: 12px; }
.auth-field input { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); font-size: 0.92rem; font-weight: 400; color: var(--ink); }
.auth-error { font-size: 0.82rem; color: #c0392b; min-height: 18px; }

/* ---------- Layout ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 0 24px 60px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.hero { padding: 48px 0 24px; text-align: center; }
.hero h1 { font-size: 2.4rem; margin: 0 0 10px; color: var(--forest-dark); }
.hero p { color: var(--ink-muted); font-size: 1.1rem; margin: 0; }

.explore-controls {
  display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap;
}
.explore-controls input, .explore-controls select {
  padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
  font-size: 0.95rem; background: var(--card); color: var(--ink);
}
.explore-controls input { flex: 1; min-width: 240px; }

/* ---------- Park grid ---------- */
.park-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.park-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px; cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px;
}
.park-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.park-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.park-card h3 { margin: 0; font-size: 1.15rem; color: var(--forest-dark); line-height: 1.3; }
.park-state { color: var(--ink-muted); font-size: 0.85rem; margin-top: 2px; }
.days-badge {
  background: var(--forest); color: #fff; font-size: 0.78rem; font-weight: 700;
  padding: 5px 10px; border-radius: 20px; white-space: nowrap;
}
.park-blurb { color: var(--ink-muted); font-size: 0.9rem; line-height: 1.5; margin: 0; }
.park-card-footer { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--ink-muted); margin-top: auto; }
.park-card-footer strong { color: var(--sunset); }

/* ---------- Detail page ---------- */
.back-btn {
  background: none; border: none; color: var(--forest); font-size: 0.95rem;
  font-weight: 600; cursor: pointer; padding: 20px 0 10px; display: block;
}
.detail-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; }
.detail-header h2 { font-size: 2rem; margin: 0 0 6px; color: var(--forest-dark); }
.detail-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 14px; }
.meta-chip { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 10px 16px; font-size: 0.85rem; }
.meta-chip .label { color: var(--ink-muted); display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 2px; }
.add-to-trip-btn {
  background: var(--sunset); color: #fff; border: none; padding: 12px 22px;
  border-radius: 10px; font-weight: 700; font-size: 0.95rem; cursor: pointer;
  white-space: nowrap; transition: background 0.15s;
}
.add-to-trip-btn:hover { background: #c56a30; }
.add-to-trip-btn.added { background: var(--forest); }

.days-guide { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 28px; }
.days-guide h3 { margin: 0 0 12px; font-size: 1.1rem; color: var(--forest-dark); }
.days-guide-row { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem; }
.days-guide-row:last-child { border-bottom: none; }
.days-guide-row .dnum { font-weight: 700; color: var(--sunset); min-width: 70px; }

.activity-list { display: flex; flex-direction: column; gap: 12px; }
.activity-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.activity-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.activity-top h4 { margin: 0; font-size: 1.02rem; color: var(--forest-dark); }
.activity-tags { display: flex; gap: 8px; font-size: 0.78rem; }
.tag { background: var(--cream); border: 1px solid var(--border); padding: 3px 9px; border-radius: 20px; color: var(--ink-muted); }
.tag.difficulty-Easy { color: #2f7a3d; }
.tag.difficulty-Moderate { color: #c07d19; }
.tag.difficulty-Strenuous, .tag.difficulty-Strenuous_ { color: #c0392b; }
.activity-desc { color: var(--ink-muted); font-size: 0.9rem; margin: 8px 0 0; line-height: 1.5; }

.lodging-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.lodging-list li { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; font-size: 0.9rem; }

.section-title { font-size: 1.2rem; color: var(--forest-dark); margin: 32px 0 14px; }

/* ---------- Planner ---------- */
.planner-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-top: 32px; align-items: start; }
.planner-left h2 { margin: 0 0 6px; color: var(--forest-dark); }
.muted { color: var(--ink-muted); font-size: 0.92rem; }

.add-park-row select {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
  font-size: 0.95rem; margin: 16px 0; background: var(--card);
}

.trip-parks-list { display: flex; flex-direction: column; gap: 12px; }
.trip-park-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; display: flex; align-items: center; gap: 12px; cursor: grab;
}
.trip-park-item.dragging { opacity: 0.4; }
.drag-handle { color: var(--ink-muted); font-size: 1.1rem; user-select: none; }
.trip-park-info { flex: 1; }
.trip-park-info strong { display: block; font-size: 0.95rem; color: var(--forest-dark); }
.trip-park-info span { font-size: 0.8rem; color: var(--ink-muted); }
.days-stepper { display: flex; align-items: center; gap: 8px; }
.days-stepper button {
  width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--cream); cursor: pointer; font-weight: 700; color: var(--forest);
}
.days-stepper .dval { min-width: 46px; text-align: center; font-size: 0.9rem; font-weight: 600; }
.remove-park-btn { background: none; border: none; color: var(--ink-muted); font-size: 1.2rem; cursor: pointer; padding: 0 4px; }
.remove-park-btn:hover { color: #c0392b; }

.budget-form { margin-top: 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.budget-form h3 { margin: 0 0 14px; font-size: 1rem; color: var(--forest-dark); }
.budget-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.budget-form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; color: var(--ink-muted); font-weight: 600; }
.budget-form-grid input, .budget-form-grid select {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); font-size: 0.92rem;
  background: var(--cream); color: var(--ink); font-weight: 400;
}

.primary-btn {
  background: var(--forest); color: #fff; border: none; padding: 14px 24px;
  border-radius: 10px; font-weight: 700; font-size: 1rem; cursor: pointer; width: 100%;
  margin-top: 20px; transition: background 0.15s;
}
.primary-btn:hover { background: var(--forest-dark); }

.empty-state { background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius); padding: 60px 20px; text-align: center; color: var(--ink-muted); }

.trip-summary { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.trip-summary-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; flex-wrap: wrap; gap: 8px; }
.trip-summary-header h3 { margin: 0; color: var(--forest-dark); }
.trip-total { font-size: 0.85rem; color: var(--sunset); font-weight: 700; }
.leg-travel {
  display: flex; align-items: center; gap: 10px; margin: 14px 0; padding: 10px 14px;
  background: var(--cream); border-radius: 10px; font-size: 0.85rem; color: var(--ink-muted);
}
.leg-travel .arrow { color: var(--sunset); font-weight: 700; }

.plan-park-block { border-top: 2px solid var(--border); padding-top: 18px; margin-top: 18px; }
.plan-park-block:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.plan-park-block h4 { margin: 0 0 4px; color: var(--forest-dark); font-size: 1.1rem; }
.plan-park-block .plan-days-note { font-size: 0.82rem; color: var(--ink-muted); margin-bottom: 12px; }
.plan-day { margin-bottom: 12px; }
.plan-day .day-label { font-weight: 700; color: var(--sunset); font-size: 0.85rem; margin-bottom: 6px; display: block; }
.plan-day ul { margin: 0; padding-left: 18px; }
.plan-day li { font-size: 0.88rem; margin-bottom: 4px; line-height: 1.4; }
.plan-lodging { margin-top: 10px; font-size: 0.82rem; color: var(--ink-muted); }
.plan-lodging strong { color: var(--ink); }

/* ---------- Budget breakdown ---------- */
.budget-box {
  background: var(--forest); color: #fff; border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 20px;
}
.budget-box-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; flex-wrap: wrap; gap: 8px; }
.budget-box-header h3 { margin: 0; font-size: 1.1rem; color: #fff; }
.budget-total { font-size: 2rem; font-weight: 800; font-family: Georgia, serif; }
.budget-per-person { font-size: 0.82rem; color: rgba(255,255,255,0.75); margin-bottom: 16px; }
.budget-rows { display: flex; flex-direction: column; gap: 8px; }
.budget-row { display: flex; justify-content: space-between; font-size: 0.88rem; color: rgba(255,255,255,0.9); padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.budget-row:last-child { border-bottom: none; }
.budget-row .val { font-weight: 700; }
.budget-status {
  margin-top: 16px; padding: 12px 14px; border-radius: 10px; font-size: 0.88rem; font-weight: 600;
}
.budget-status.under { background: rgba(255,255,255,0.15); color: #d8f5df; }
.budget-status.over { background: var(--sunset); color: #fff; }
.budget-suggestions { margin-top: 10px; font-size: 0.82rem; color: rgba(255,255,255,0.85); line-height: 1.6; }
.budget-suggestions ul { margin: 4px 0 0; padding-left: 18px; }

.season-warning {
  display: flex; gap: 10px; align-items: flex-start; background: #fdecec; border: 1px solid #f3b8b8;
  border-radius: 10px; padding: 12px 14px; margin: 10px 0; font-size: 0.85rem; color: #a03434; line-height: 1.5;
}
.season-warning.caution { background: #fdf3e7; border-color: #f0d9b5; color: #8a5a1f; }
.season-warning .icon { font-size: 1.1rem; }

.flight-link { display: inline-block; margin-top: 8px; font-size: 0.82rem; color: var(--forest); font-weight: 600; text-decoration: none; border-bottom: 1px dashed var(--forest); }
.flight-link:hover { color: var(--sunset); border-color: var(--sunset); }

.lodging-pick-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; }
.lodging-pick-row .pick-name { font-size: 0.85rem; }
.lodging-pick-row .pick-price { font-size: 0.85rem; font-weight: 700; color: var(--sunset); white-space: nowrap; }
.lodging-pick-row.chosen { background: #eef6ef; border-radius: 8px; padding: 8px 10px; margin: 2px 0; }
.lodging-pick-row.chosen .pick-name::before { content: '✓ '; color: var(--forest); font-weight: 700; }

.save-trip-btn {
  background: var(--sunset); color: #fff; border: none; padding: 12px 20px; border-radius: 10px;
  font-weight: 700; font-size: 0.9rem; cursor: pointer; margin-top: 16px; width: 100%;
}
.save-trip-btn:hover { background: #c56a30; }
.save-trip-btn.saved { background: var(--forest); }

/* ---------- My Trips ---------- */
.saved-trips-list { display: flex; flex-direction: column; gap: 16px; max-width: 700px; margin: 0 auto; }
.saved-trip-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; }
.saved-trip-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.saved-trip-card h3 { margin: 0 0 4px; color: var(--forest-dark); font-size: 1.1rem; }
.saved-trip-meta { font-size: 0.85rem; color: var(--ink-muted); }
.saved-trip-cost { font-size: 1.3rem; font-weight: 800; color: var(--sunset); font-family: Georgia, serif; }
.saved-trip-actions { margin-top: 12px; display: flex; gap: 10px; }
.saved-trip-actions button { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--cream); font-size: 0.82rem; font-weight: 600; cursor: pointer; }
.saved-trip-actions button.delete { color: #c0392b; }

.disclaimer-box {
  margin-top: 24px; padding: 14px 16px; background: #fdf3e7; border: 1px solid #f0d9b5;
  border-radius: 10px; font-size: 0.82rem; color: #8a5a1f; line-height: 1.5;
}

.site-footer { text-align: center; padding: 30px 24px; color: var(--ink-muted); font-size: 0.8rem; }

@media (max-width: 860px) {
  .planner-layout { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
}