/* Editor UI. Plain CSS, system fonts, no external requests. */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #d5d9e0;
  --text: #1c2330;
  --muted: #5d6778;
  --brand: #1f5fd1;
  --good: #e5f5ea;
  --good-line: #8fcba1;
  --warn: #fff5d6;
  --warn-line: #e2c25c;
  --bad: #fdeaea;
  --bad-line: #e09a9a;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

a { color: var(--brand); }
[hidden] { display: none !important; }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.top-title { color: var(--text); font-weight: 700; text-decoration: none; }
.top-user { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--muted); }

main { max-width: 42rem; margin: 0 auto; padding: 1.25rem 1rem 4rem; }
h1 { margin: 0 0 0.75rem; font-size: 1.6rem; line-height: 1.2; }
h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }

.card {
  display: block;
  margin: 0 0 1rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.link-card { font-weight: 600; text-decoration: none; }

.plain { margin: 0; padding: 0; list-style: none; }
.sections li + li { border-top: 1px solid var(--line); }
.sections a { display: block; padding: 0.7rem 0; text-decoration: none; }
.sections strong { display: block; }
.sections span { display: block; color: var(--muted); font-size: 0.9rem; }
.history li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 1rem; padding: 0.3rem 0; font-size: 0.9rem; }
.history span { color: var(--muted); }

.actions { display: flex; gap: 0.75rem; margin: 0 0 1rem; }
.actions form { flex: 1; }
.actions button { width: 100%; }

button {
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
}
button.primary { color: #fff; background: var(--brand); border-color: var(--brand); }
button.link {
  min-height: 0;
  padding: 0;
  font-weight: 400;
  color: var(--brand);
  background: none;
  border: 0;
  text-decoration: underline;
}

.field { margin: 0 0 1.1rem; }
label { display: block; margin: 0 0 0.3rem; font-weight: 600; }
.hint { display: block; margin: 0.25rem 0 0; color: var(--muted); font-size: 0.85rem; font-weight: 400; }
legend .hint { display: inline; }

input[type="text"], input[type="email"], textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}
input[type="file"] { width: 100%; font: inherit; }
input:focus-visible, textarea:focus-visible, button:focus-visible, .rt-area:focus-visible, a:focus-visible {
  outline: 3px solid #9dbcf5;
  outline-offset: 1px;
}

fieldset { margin: 0 0 1.1rem; padding: 0.9rem; border: 1px solid var(--line); border-radius: 8px; }
legend { padding: 0 0.4rem; font-weight: 700; }
fieldset.list > fieldset { background: var(--bg); }
fieldset.image img {
  display: block;
  width: 100%;
  max-width: 16rem;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin: 0 0 0.75rem;
  border-radius: 6px;
}
fieldset.image input[type="text"] { margin-bottom: 0.9rem; }
.check { display: flex; align-items: center; gap: 0.5rem; margin: 0.9rem 0 0; font-weight: 400; }
.check input { width: 1.2rem; height: 1.2rem; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin: 0 0 0.75rem; }
.row label { font-size: 0.85rem; color: var(--muted); }

.rt { border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.rt textarea { border: 0; font-family: ui-monospace, Consolas, monospace; font-size: 0.9rem; }
.rt-bar { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.4rem; border-bottom: 1px solid var(--line); background: var(--bg); border-radius: 6px 6px 0 0; }
.rt-bar button { min-height: 2.25rem; padding: 0.2rem 0.7rem; font-size: 0.9rem; font-weight: 400; }
.rt-area { min-height: 10rem; padding: 0.7rem; border-radius: 0 0 6px 6px; }
.rt-area p { margin: 0 0 0.75rem; }

.notice { margin: 0 0 1rem; padding: 0.75rem 1rem; border: 1px solid; border-radius: 8px; }
.notice p { margin: 0 0 0.4rem; }
.notice ul { margin: 0; padding-left: 1.2rem; }
.notice.good { background: var(--good); border-color: var(--good-line); }
.notice.warn { background: var(--warn); border-color: var(--warn-line); }
.notice.bad { background: var(--bad); border-color: var(--bad-line); }