/* Citation Maker — light by default, follows the system for dark. No frameworks. */
:root {
  --bg: #f4f6fb; --card: #ffffff; --ink: #1c2333; --muted: #5a6478;
  --line: #e2e6ef; --accent: #2f6bed; --on-accent: #ffffff; --ok: #1a7f4b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 30, 60, 0.05), 0 4px 16px rgba(20, 30, 60, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --card: #1a1f2a; --ink: #e8ebf2; --muted: #9aa4b8;
    --line: #2a3140; --accent: #5b8ef2; --on-accent: #10151f; --ok: #6fce9d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
.wrap { max-width: 840px; margin: 0 auto; padding: 36px 20px 72px; }
header h1 { margin: 0 0 6px; font-size: 1.95rem; letter-spacing: -0.015em; }
.tag { margin: 0 0 26px; color: var(--muted); font-size: 1.05rem; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px;
}
.input-card { margin-bottom: 24px; }
.biglabel { display: block; font-weight: 650; margin-bottom: 8px; }
textarea {
  width: 100%; min-height: 140px; resize: vertical; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
  color: var(--ink); font: inherit;
}
textarea::placeholder { color: var(--muted); opacity: 0.85; }
textarea:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
button {
  font: inherit; font-weight: 550; padding: 10px 18px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer; transition: filter 0.12s, border-color 0.12s;
}
button.primary { background: var(--accent); color: var(--on-accent); }
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: var(--card); border-color: var(--line); color: var(--ink); }
button.ghost:hover { border-color: var(--accent); }
button.done { border-color: var(--ok); color: var(--ok); }
.status { color: var(--muted); font-size: 0.95rem; }
.hint { margin: 10px 0 0; color: var(--muted); font-size: 0.9rem; }
kbd {
  font: 0.85em inherit; background: var(--bg); border: 1px solid var(--line);
  border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px;
}
.results { display: grid; gap: 14px; }
.copy-all-row { margin: 0; }
.cite { margin: 0; font-size: 1.03rem; text-wrap: pretty; }
.cite i { font-style: italic; }
.cite a { color: var(--accent); text-decoration: none; overflow-wrap: anywhere; }
.sink { position: absolute; left: -10000px; top: 0; }