:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #dde1e6;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
  --attention: #fff8e6;
  --attention-border: #f0c75e;
  --danger: #b42318;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b;
    --card: #1e2127;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --border: #343941;
    --accent: #5b9bf0;
    --accent-text: #0d1117;
    --attention: #2b2617;
    --attention-border: #8a6d1f;
    --danger: #f2877d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 960px; margin: 0 auto; padding: 16px; }

h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
h3 { margin: 16px 0 4px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}

.nav { display: flex; gap: 20px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 1.05rem; }
.nav a[aria-current="page"] { color: var(--text); border-bottom: 2px solid var(--accent); }
a { color: var(--accent); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters input { flex: 1; min-width: 220px; }
.catalog tr.group td { font-weight: 700; padding-top: 18px; border-bottom: 2px solid var(--border); }
.catalog td:nth-child(2) { white-space: nowrap; }
.catalog details { margin-top: 4px; font-size: 0.85rem; }
.catalog details ul { margin: 4px 0; padding-left: 18px; }

.edit-form { margin-top: 12px; display: grid; gap: 10px; }
.edit-form label { display: grid; gap: 4px; font-size: 0.9rem; }
.edit-form textarea { margin: 0; }
.picks { border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
.picks legend { font-size: 0.9rem; padding: 0 4px; }
.picks div { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.edit-form .picks label.check { display: flex; }
.review { border-top: 1px solid var(--border); padding-top: 12px; }
.findings { padding-left: 0; list-style: none; display: grid; gap: 8px; }
.finding { padding: 8px 10px; border-radius: 6px; border-left: 4px solid var(--border); background: var(--bg); }
.finding.duplicate, .finding.price_check { border-left-color: var(--attention-border); background: var(--attention); }
.finding .related { margin: 4px 0 0; padding-left: 18px; font-size: 0.9rem; }
.suggestion { border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; margin-top: 12px; }
.suggestion h3 { margin: 0 0 4px; font-size: 0.95rem; }
.suggestion p { margin: 4px 0; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.card.attention { background: var(--attention); border-color: var(--attention-border); }

input, select, textarea, button {
  font: inherit; color: inherit;
}
input, select, textarea {
  background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
}
textarea { width: 100%; resize: vertical; margin: 8px 0; }

button {
  border: 1px solid var(--border); background: var(--card); border-radius: 6px;
  padding: 8px 14px; cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button:disabled { opacity: 0.6; cursor: wait; }
button.link { border: none; background: none; padding: 0; color: var(--accent); }
button.link.danger { color: var(--danger); }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row input[type="text"] { flex: 1; min-width: 200px; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.error { color: var(--danger); }
.summary { margin: 12px 0 0; }

.question { margin-bottom: 12px; }
.question p { margin: 0 0 6px; font-weight: 600; }
.question input { width: 100%; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.chip { padding: 4px 10px; border-radius: 999px; font-size: 0.9rem; }

.unpriced { border-top: 1px solid var(--attention-border); padding: 12px 0; }
.unpriced > input { width: 100%; margin: 4px 0 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-bottom: 8px; }

table.lines { width: 100%; border-collapse: collapse; }
.lines th, .lines td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
.lines th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.lines .num { text-align: right; white-space: nowrap; }
.lines input[type="number"] { width: 80px; text-align: right; }
.lines tr.empty td { color: var(--muted); text-align: center; padding: 20px; }

.add-row { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.add-row select { flex: 1; min-width: 200px; }
.add-row input { width: 90px; }

.modifiers { display: flex; gap: 16px; flex-wrap: wrap; margin: 8px 0; }
.check { display: flex; align-items: center; gap: 4px; }

.totals {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 16px;
  max-width: 360px; margin: 12px 0 0 auto;
}
.totals dt { color: var(--muted); }
.totals dd { margin: 0; text-align: right; }
.totals .grand { font-weight: 700; color: var(--text); font-size: 1.1rem; border-top: 1px solid var(--border); padding-top: 6px; }

.terms { padding-left: 18px; margin: 0; }
.terms li { margin-bottom: 6px; }
.estimates { list-style: none; padding: 0; margin: 0; }
.estimates li { padding: 4px 0; }

body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 340px; display: grid; gap: 12px; }
.login-card label { display: grid; gap: 4px; }

@media (max-width: 640px) {
  .lines thead { display: none; }
  .lines tr { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; padding: 8px 0; border-bottom: 1px solid var(--border); }
  .lines td { border: none; padding: 2px 0; }
  .lines td[data-label="Item"] { grid-column: 1 / -1; }
  .lines .num { text-align: left; }
}

.edit-form { border-top: 1px solid var(--border); padding-top: 12px; }
.edit-form h2 { margin: 0; }
.picks input[type="search"] { width: 100%; margin-bottom: 8px; }
.pick-list { max-height: 240px; overflow-y: auto; display: grid !important; gap: 4px; }
.grow { flex: 1; }
.row h2 { margin: 0; }
.term-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 12px; }
.term-list li { border-top: 1px solid var(--border); padding-top: 10px; }
.term-list li > div { margin-top: 2px; }
.edit-form label.check { display: flex; }

.catalog td.actions { white-space: nowrap; }
.catalog td.actions button + button { margin-left: 12px; }

/* Author display rules (grid/flex) would otherwise override the hidden attribute. */
[hidden] { display: none !important; }

/* pricing page: customer, suggestions, estimates */
label.field { display: grid; gap: 4px; font-size: 0.9rem; }
label.field input { width: 100%; }
.grid.address { grid-template-columns: 2fr 1fr 1fr 1fr; }
.grid.address .wide { grid-column: span 1; }
.field-group { margin: 12px 0 4px; }
.cust-search { position: relative; margin: 8px 0; }
.cust-search input { width: 100%; }
.cust-results { list-style: none; margin: 4px 0 0; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); }
.cust-results li { padding: 3px 0; }
.suggestions { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.suggestions li { border-top: 1px solid var(--border); padding-top: 8px; }
.suggestions input[type="number"] { width: 80px; }
#heading { width: 100%; margin-bottom: 10px; }
.badge { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px; font-size: 0.8rem; background: var(--attention); border: 1px solid var(--attention-border); }
#estimate-view { border-top: 1px solid var(--border); margin-top: 12px; }

@media (max-width: 640px) {
  .grid.address { grid-template-columns: 1fr 1fr; }
  .grid.address .wide { grid-column: 1 / -1; }
}

.email-form { border: 1px solid var(--border); border-radius: 6px; padding: 12px; margin-top: 12px; display: grid; gap: 10px; }
.email-form h3 { margin: 0; }
.email-form textarea { margin: 0; font-family: inherit; }
.email-log { margin: 8px 0 0; padding-left: 18px; }
.badge.sent { background: var(--bg); border-color: var(--border); }

.crew { border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
.crew[open] { display: grid; gap: 10px; padding-bottom: 12px; }
.crew summary { cursor: pointer; font-size: 0.9rem; }
.crew textarea { margin: 0; }