:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5b6676;
  --border: #d9dee6;
  --accent: #0f6e6a;
  --accent-text: #ffffff;
  --warn: #9a5b00;
  --field: #ffffff;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161c; --surface: #1b2129; --text: #e7ebf0; --muted: #9aa5b4;
    --border: #2e3744; --accent: #4fc2bb; --accent-text: #0b1214; --warn: #f0b45a;
    --field: #141a21; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12161c; --surface: #1b2129; --text: #e7ebf0; --muted: #9aa5b4;
  --border: #2e3744; --accent: #4fc2bb; --accent-text: #0b1214; --warn: #f0b45a;
  --field: #141a21; color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 .4em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; margin-top: 1.5rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 .6em; }

.site-header, .layout, .site-footer { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.site-header { padding-top: 28px; padding-bottom: 8px; }
.site-header p { color: var(--muted); max-width: 62ch; }
.site-footer { color: var(--muted); font-size: .875rem; padding-top: 24px; padding-bottom: 32px; }

.layout { display: grid; gap: 24px; }
@media (min-width: 900px) {
  .layout { grid-template-columns: 340px 1fr; align-items: start; }
}

.panel, .card, .tools li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.panel { padding: 16px; display: grid; gap: 16px; }

fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend, .field-label { font-weight: 600; margin-bottom: 6px; display: block; padding: 0; }
.field { display: grid; gap: 4px; }
.hint { color: var(--muted); font-size: .875rem; font-weight: 400; }
.warn { color: var(--warn); font-size: .875rem; }

input[type="text"], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; resize: vertical; }
input:focus, select:focus, textarea:focus, .button:focus-visible, .chip:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 10px; font-size: .9rem; cursor: pointer; background: var(--field);
}
.chip input { accent-color: var(--accent); margin: 0; }

.cards { display: grid; gap: 14px; }
@media (min-width: 1100px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { padding: 14px; display: grid; gap: 6px; align-content: start; min-width: 0; }
.card-blurb { color: var(--muted); }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.button {
  display: inline-block; font: inherit; font-weight: 600; text-decoration: none;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-text); cursor: pointer;
}
.button.secondary { background: transparent; color: var(--accent); }

.tools { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.tools li { padding: 12px 14px; }
.tools a { color: var(--accent); font-weight: 600; }
.tools p { color: var(--muted); margin: 2px 0 0; }

.preset { display: grid; gap: 6px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.preset .button { justify-self: start; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.form-actions .button[type="submit"] { flex: 1; font-size: 1.05rem; padding: 10px 16px; }
.empty-state {
  margin: 0; padding: 28px 16px; text-align: center; color: var(--muted);
  border: 1px dashed var(--border); border-radius: var(--radius);
}
.results > section:first-of-type h2, .results > #empty-state + section h2 { margin-top: 0; }