:root {
  --bg: #f6f5f2;
  --panel: #ffffff;
  --border: #e3e0d8;
  --text: #2b2a27;
  --muted: #7a7669;
  --accent: #1f6f5c;
  --accent-light: #e6f0ec;
  --domestic: #1f6f5c;
  --international: #b5622b;
  --international-light: #fbe9dd;
  --danger: #b23b3b;
  --priority-high: #b23b3b;
  --priority-medium: #b5822b;
  --priority-low: #647a4a;
  --table-header-bg: #faf9f6;
  --radius: 10px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #1a1b19;
  --panel: #232420;
  --border: #383a34;
  --text: #ece9e2;
  --muted: #9a978a;
  --accent: #3fae91;
  --accent-light: #1e332c;
  --domestic: #3fae91;
  --international: #e08a4f;
  --international-light: #3a2c1f;
  --danger: #e08585;
  --priority-high: #e08585;
  --priority-medium: #e0b85f;
  --priority-low: #9bc17a;
  --table-header-bg: #1f201c;
  color-scheme: dark;
}

* { box-sizing: border-box; }

/* Several elements (buttons, flex containers) set their own `display`,
   which otherwise wins over the `hidden` attribute at equal CSS specificity. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color 0.15s, color 0.15s;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 14px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.topbar nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.topbar nav a:hover { color: var(--accent); }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); }

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 28px 60px;
}

h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 32px 0 12px; }
.subtitle { color: var(--muted); margin: 0 0 20px; }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 8px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat-card .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-card .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }
.stat-card.domestic .value { color: var(--domestic); }
.stat-card.international .value { color: var(--international); }

#map, #trip-map, #settings-map {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 12px 0 24px;
}

#map { height: 640px; }
#trip-map, #settings-map { height: 480px; }

.map-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: -16px 0 24px;
  font-size: 0.85rem;
  color: var(--muted);
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.swatch-high { background: var(--priority-high); }
.swatch-medium { background: var(--priority-medium); }
.swatch-low { background: var(--priority-low); }
.swatch-none { background: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}

table.trips {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}

table.trips th, table.trips td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

table.trips th {
  background: var(--table-header-bg);
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

table.trips tbody tr:hover { background: var(--accent-light); cursor: pointer; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
}

.badge.domestic { background: var(--accent-light); color: var(--domestic); }
.badge.international { background: var(--international-light); color: var(--international); }

.priority-High { color: var(--priority-high); font-weight: 600; }
.priority-Medium { color: var(--priority-medium); font-weight: 600; }
.priority-Low { color: var(--priority-low); font-weight: 600; }

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filters select, .filters input {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.88rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.secondary, .btn.secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

button.danger { background: var(--danger); }

button:disabled { opacity: 0.55; cursor: not-allowed; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px 18px;
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.field input, .field select, .field textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
}
.field textarea { resize: vertical; min-height: 70px; }
.field.full { grid-column: 1 / -1; }

.hint {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: -6px;
}

.save-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.photo-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1 / 1;
  background: var(--table-header-bg);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-card.uploading img { opacity: 0.4; }

.photo-delete {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: none;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

.photo-card:hover .photo-delete { opacity: 1; }

.link-add-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0;
}
.link-add-row input[type="url"] { flex: 2 1 240px; }
.link-add-row input[type="text"] { flex: 1 1 160px; }
.link-add-row input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.92rem;
}

.doc-list {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

.doc-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 6px;
  border-bottom: 1px solid var(--border);
}
.doc-row:last-child { border-bottom: none; }
.doc-row:hover { background: var(--accent-light); }

.doc-icon { font-size: 1.2rem; flex-shrink: 0; }

.doc-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
}
.doc-name:hover { color: var(--accent); text-decoration: underline; }

.doc-category {
  flex-shrink: 0;
  background: var(--table-header-bg);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
}

.doc-delete {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  border: none;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}
.doc-delete:hover { background: var(--danger); color: #fff; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

.search-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.search-row input { flex: 1; }

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

@media (max-width: 640px) {
  .topbar {
    padding: 12px 16px;
    justify-content: flex-start;
  }
  .topbar nav {
    width: 100%;
    gap: 8px 16px;
  }

  .page { padding: 18px 16px 40px; }

  h1 { font-size: 1.35rem; }

  #map { height: 340px; }
  #trip-map, #settings-map { height: 280px; }

  .stat-cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 12px 14px; }
  .stat-card .value { font-size: 1.3rem; }

  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar > div { display: flex; flex-wrap: wrap; gap: 8px; }
  .toolbar > div > .btn, .toolbar > div > button { flex: 1 1 auto; }

  .form-grid { grid-template-columns: 1fr; }

  .save-row { flex-wrap: wrap; }

  .toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    text-align: center;
  }
}