:root {
  --ink: #1a2430;
  --ink-muted: #57626d;
  --border: #d3dae0;
  --bg: #f4f6f7;
  --surface: #ffffff;
  --accent: #b9791f;
  --accent-2: #276b63;
  --danger: #a4432f;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

header {
  padding: 28px 24px 20px;
  max-width: 720px;
  margin: 0 auto;
}
h1 { margin: 0 0 4px; font-size: 26px; }

.mock-banner {
  margin-top: 14px;
  padding: 8px 14px;
  background: #fdf1de;
  border: 1px solid #e6c184;
  border-radius: 4px;
  font-size: 13.5px;
  color: #6b4a12;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 22px;
}
.card h2 { margin: 0 0 12px; font-size: 17px; }

.hint { font-size: 13.5px; color: var(--ink-muted); margin: 0 0 12px; }
.hint code { background: var(--bg); padding: 1px 5px; border-radius: 3px; }

form#address-form { display: flex; gap: 8px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; color: var(--ink-muted); }

input, select, button {
  font: inherit;
  font-size: 14px;
}
input, select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--ink);
  background: var(--surface);
}
#address-form input { flex: 1; }

button {
  padding: 9px 16px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
}
button:hover { filter: brightness(0.95); }
.status { font-size: 13.5px; margin: 10px 0 0; }
.status.error { color: var(--danger); }
.status.ok { color: var(--accent-2); }

.confidence-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 3px;
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.confidence-badge.higher { background: #e4f2ee; color: var(--accent-2); }
.confidence-badge.medium { background: #e6eef7; color: #2a5c8a; }
.confidence-badge.lower { background: #fdf1de; color: #8a5a10; }

.map-trace { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.map-trace h3 { margin: 0 0 6px; font-size: 14.5px; }
.roof-map-wrap {
  position: relative;
  margin-bottom: 10px;
}
.roof-map {
  width: 100%;
  height: 360px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
}
/* Sits over Google's own default camera-control icon (bottom-right of the
   map) to label it -- that control isn't ours to add a title/aria-label
   to directly, so this is an overlay instead. pointer-events: none so it
   never blocks clicking or dragging the control underneath it. */
.camera-controls-label {
  position: absolute;
  right: 4px;
  bottom: 78px;
  width: 48px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.25;
  text-align: center;
  padding: 3px 2px;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}
.map-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.map-controls button.secondary,
button.secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(20, 28, 38, 0.08);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}
.map-controls button.secondary:hover,
button.secondary:hover {
  filter: none;
  border-color: var(--accent-2);
  box-shadow: 0 2px 6px rgba(20, 28, 38, 0.14);
  transform: translateY(-1px);
}
.map-controls button.secondary:active,
button.secondary:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(20, 28, 38, 0.1);
}
.map-controls button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.facets-section { margin-top: 14px; }
.facets-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.facets-header h4 { margin: 0; font-size: 13.5px; }
table.facets-table, table.facets-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 10px;
}
table.facets-table th, table.facets-table td,
table.facets-result-table th, table.facets-result-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
table.facets-table td:first-child, table.facets-result-table td:first-child { color: var(--ink-muted); }
.facet-tilt-input { width: 64px; }
.facet-flip-button, .facet-remove-button { margin-left: 6px; font-size: 12px; padding: 3px 8px; }
table.facets-table tr.selected td { background: #fdeef3; }

input:read-only {
  background: var(--bg);
  color: var(--ink-muted);
}


.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px 16px;
  margin-bottom: 8px;
}

.panel-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.panel-tier-button {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
  font-weight: 500;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(20, 28, 38, 0.08);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}
.panel-tier-button:hover {
  filter: none;
  border-color: var(--accent-2);
  box-shadow: 0 2px 6px rgba(20, 28, 38, 0.14);
  transform: translateY(-1px);
}
.panel-tier-button:active { transform: translateY(0); box-shadow: 0 1px 2px rgba(20, 28, 38, 0.1); }
.panel-tier-button.active {
  border-color: var(--accent-2);
  border-width: 2px;
  background: #eaf3f1;
  box-shadow: 0 1px 3px rgba(39, 107, 99, 0.25);
}
.panel-tier-label { font-weight: 700; }
.panel-tier-spec { font-size: 12.5px; color: var(--ink-muted); }
.panel-tier-button.active .panel-tier-spec { color: var(--accent-2); }

/* Spacing between the tier picker (input: pick Budget/Standard/Premium)
   and the estimate stats below it (output: system size, panel count,
   annual output, etc.) -- no rule here now, since the tier buttons'
   own borders/shadow already read as a distinct group above this. */
#estimate-output { margin-top: 16px; }
/* A follow-up estimate (e.g. switching panel tiers) keeps the previous
   result visible rather than collapsing to a "Calculating..." line --
   see runEstimate() -- so only a subtle dim marks it as updating instead
   of the whole page's height (and scroll position) jumping around. */
#estimate-output.loading { opacity: 0.55; transition: opacity 0.15s ease; }
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
}
.stat .stat-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); }
.stat .stat-value { font-size: 22px; font-weight: 700; margin-top: 2px; }
.stat .stat-value.error { font-size: 13px; font-weight: 600; color: var(--danger); line-height: 1.35; }

.monthly-details { margin-bottom: 16px; }
.monthly-details summary {
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-muted);
}
.monthly-details[open] summary { margin-bottom: 10px; }
table.monthly { width: 100%; border-collapse: collapse; font-size: 13px; }
table.monthly th, table.monthly td { text-align: right; padding: 5px 8px; border-bottom: 1px solid var(--border); }
table.monthly th:first-child, table.monthly td:first-child { text-align: left; }

ul.warnings { margin: 0; padding-left: 18px; font-size: 13.5px; color: #8a5a10; }
ul.warnings li { margin-bottom: 4px; }


a { color: var(--accent-2); }
a:hover { filter: brightness(0.85); }

.site-footer {
  max-width: 720px;
  margin: 8px auto 40px;
  padding: 0 24px;
  font-size: 13px;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
}
.site-footer a { color: var(--ink-muted); }
.site-footer a:hover { color: var(--accent-2); }

/* Privacy/terms pages: plain prose inside the existing .card look. */
.legal-page h2 { margin-top: 0; }
.legal-page h3 { font-size: 15px; margin: 22px 0 8px; }
.legal-page p { margin: 0 0 12px; font-size: 14px; }
.legal-page ul, .legal-page ol { margin: 0 0 12px; padding-left: 20px; font-size: 14px; }
.legal-page li { margin-bottom: 4px; }
.legal-page .effective-date { color: var(--ink-muted); font-size: 13px; margin: -6px 0 18px; }