:root {
  --bg: #faf9f7;
  --text: #2b2b2b;
  --muted: #8a8a8a;
  --accent: #b3543f;
  --card: #ffffff;
  --border: #e8e2d9;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}
.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.site-header {
  max-width: 720px; margin: 0 auto; padding: 28px 20px 12px;
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--border);
}
.site-header h1 { font-size: 1.4rem; margin: 0; font-weight: 700; }
.site-header a { color: var(--text); text-decoration: none; }
.site-header nav a { color: var(--accent); font-size: 0.95rem; }
.site-footer { text-align: center; padding: 40px 0; font-size: 0.85rem; }
.muted { color: var(--muted); }
.entry-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 20px; margin: 16px 0; cursor: pointer;
  transition: box-shadow 0.15s;
}
.entry-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.entry-card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.entry-card time { font-size: 0.85rem; }
.entry-card p { margin: 8px 0 0; color: #555; font-size: 0.95rem; }
.entry-content img, .entry-content video { max-width: 100%; border-radius: 8px; margin: 12px 0; }
.entry-content video { display: block; }
.entry-content pre { background: #f1ede6; padding: 12px; border-radius: 8px; overflow-x: auto; }
.entry-content blockquote { border-left: 3px solid var(--accent); margin: 12px 0; padding: 4px 16px; color: #555; }
#reader-view h2 { margin-bottom: 4px; }
.btn-text { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 0.95rem; padding: 8px 0; }
/* admin */
.login-box { max-width: 360px; margin: 80px auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.login-box h2 { margin-top: 0; }
input[type=text], input[type=password], input[type=date], textarea {
  width: 100%; padding: 10px 12px; margin: 8px 0; border: 1px solid var(--border);
  border-radius: 8px; font-size: 1rem; font-family: inherit; background: #fff;
}
textarea#editor { min-height: 320px; line-height: 1.7; resize: vertical; }
.btn {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 10px 20px; font-size: 1rem; cursor: pointer; margin: 6px 6px 6px 0;
}
.btn:hover { opacity: 0.9; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.toolbar { margin: 8px 0; }
.admin-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.admin-row .actions button { margin-left: 8px; }
.hint { font-size: 0.85rem; color: var(--muted); }
.error { color: #c0392b; font-size: 0.9rem; }
#preview { border: 1px dashed var(--border); border-radius: 8px; padding: 16px; margin: 8px 0; background: #fff; }
.hidden { display: none !important; }