/* 微社区样式：简洁卡片风，跟随系统深浅色 */
:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-fg: #ffffff;
  --danger: #dc2626;
  --chip: #eef2ff;
  --chip-text: #4338ca;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --border: #2a2f3a;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --primary: #6366f1;
    --chip: #1e2440;
    --chip-text: #a5b4fc;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
.page { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }

/* 头部 */
.header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.header h1 { font-size: 26px; }
.tagline { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* 横幅 / 卡片 */
.banner {
  background: #fffbeb; border: 1px solid #f59e0b; color: #92400e;
  border-radius: 10px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px;
}
@media (prefers-color-scheme: dark) {
  .banner { background: #2a2410; border-color: #b45309; color: #fcd34d; }
}
.banner code { font-family: ui-monospace, Menlo, monospace; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 16px;
}
.hidden { display: none !important; }

/* 统计栏 */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px; text-align: center;
}
.stat span { display: block; font-size: 22px; font-weight: 600; }
.stat label { color: var(--muted); font-size: 12px; }

/* 表单 */
.card h2 { font-size: 16px; margin-bottom: 10px; }
.input {
  width: 100%; padding: 8px 10px; margin-bottom: 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit;
}
.input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
textarea.input { resize: vertical; }
.input.select { width: auto; min-width: 150px; margin-bottom: 0; }
.row { display: flex; align-items: center; gap: 8px; }
.row .input { margin-bottom: 0; }
.grow { flex: 1; }

/* 按钮 */
.btn {
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-size: 14px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.btn.ghost { border-color: transparent; color: var(--muted); }
.btn.mini { padding: 3px 10px; font-size: 12px; }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 工具栏 */
.toolbar { margin-bottom: 16px; }
.page-info { color: var(--muted); font-size: 13px; white-space: nowrap; }

/* 帖子 */
.post { cursor: default; }
.post-head, .detail-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.post-title { font-size: 16px; }
.post-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
.post-content { margin: 6px 0 10px; font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.post-foot { display: flex; align-items: center; gap: 8px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  background: var(--chip); color: var(--chip-text); border-radius: 999px;
  padding: 1px 10px; font-size: 12px;
}
.muted { color: var(--muted); }
.loading, .empty, .error { text-align: center; color: var(--muted); padding: 24px 0; font-size: 14px; }
.error { color: var(--danger); }

/* 详情 / 评论 */
.comments-title { font-size: 14px; margin: 14px 0 8px; }
.comment { border-top: 1px solid var(--border); padding: 10px 0; font-size: 14px; }
.comment-head { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 2px; }
#comment-form { margin-top: 12px; }
#comment-form .input { flex: none; width: 140px; }
#comment-form .input.grow { flex: 1; width: auto; }

.footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 32px; }
.footer a { color: var(--primary); }
.footer code { font-family: ui-monospace, Menlo, monospace; }

@media (max-width: 640px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  #comment-form { flex-wrap: wrap; }
  #comment-form .input { width: 100%; }
}