:root {
  --bg: #f7f5f0;
  --panel: #ffffff;
  --ink: #1f2730;
  --muted: #5d6b78;
  --accent: #8a3324;
  --accent-soft: #f0e3df;
  --border: #d8d2c8;
  --line: #e7e2d9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

header, main, footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header { padding-top: 2.5rem; }

h1 {
  font-size: 2rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.tagline {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.97rem;
}

a { color: var(--accent); }

form { margin: 0; }

.search-row {
  display: flex;
  gap: 0.5rem;
}

#query {
  flex: 1;
  padding: 0.7rem 0.85rem;
  font-size: 1.05rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
}

#query:focus, #boolean-query:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:hover { background: #732a1f; }
button:disabled { opacity: 0.55; cursor: progress; }

.online-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  margin: 1.25rem 0 0;
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  font-size: 0.92rem;
  background: var(--accent-soft);
  border: 1px solid var(--border);
}

.status.error { background: #fbe6e2; border-color: #e0b4ab; color: #6f231a; }

.plan {
  margin-top: 1.75rem;
  padding: 1.1rem 1.2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.plan h2 { margin: 0 0 0.2rem; font-size: 1.15rem; }
.plan-help { margin: 0 0 0.7rem; color: var(--muted); font-size: 0.88rem; }

#boolean-query {
  width: 100%;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  resize: vertical;
  background: #fbfaf7;
  color: var(--ink);
}

#raw-form { display: flex; flex-direction: column; gap: 0.6rem; align-items: flex-start; }

.chips-wrap { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.7rem; }
.chip-group { display: flex; flex-direction: column; gap: 0.35rem; }
.chip-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chip {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--accent);
  cursor: pointer;
}
.chip:hover { background: var(--accent-soft); }

.plan-notes {
  margin: 1rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
  font-style: italic;
}

.results { margin-top: 1.75rem; }

.result {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.result:first-child { border-top: 1px solid var(--line); }

.result h3 { margin: 0 0 0.35rem; font-size: 1.12rem; }
.result h3 a { text-decoration: none; }
.result h3 a:hover { text-decoration: underline; }

.snippet { margin: 0.3rem 0 0.5rem; font-size: 0.95rem; color: #313a44; }

.cite {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.cite .rg { font-family: Georgia, serif; }
.cite .label { color: #8a8276; }
.cite a { color: var(--accent); }

.empty { color: var(--muted); padding: 1.5rem 0; }

footer {
  margin-top: 2.5rem;
  padding-bottom: 2.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}
footer p { border-top: 1px solid var(--line); padding-top: 1rem; }