/* 小毛豆的小站 —— 温馨 · 简单 · 明了 */
:root {
  --bg: #FFF7EE;
  --bg-soft: #FFEFDD;
  --card: #FFFFFF;
  --ink: #4A3B31;
  --ink-soft: #8A7A6E;
  --accent: #E8833A;
  --accent-dark: #D96C2C;
  --accent-soft: #FBE3CC;
  --line: #F0E2D3;
  --green: #5B9E6F;
  --radius: 16px;
  --shadow: 0 2px 12px rgba(217, 108, 44, .08);
  --max: 960px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 247, 238, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .logo { font-size: 24px; }
.main-nav { display: flex; gap: 4px; margin-left: 8px; flex: 1; }
.main-nav a {
  padding: 6px 12px; border-radius: 999px; color: var(--ink-soft);
  font-size: 15px; white-space: nowrap;
}
.main-nav a:hover { background: var(--accent-soft); color: var(--accent-dark); text-decoration: none; }
.main-nav a.active { background: var(--accent); color: #fff; }
.header-user { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; font-weight: 600; flex: none;
}
.btn {
  display: inline-block; border: none; border-radius: 999px;
  padding: 8px 18px; font-size: 15px; background: var(--accent); color: #fff;
  transition: background .15s;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent-dark); border: 1px solid var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.small { padding: 4px 12px; font-size: 13px; }
.btn.danger { background: #C75454; }
.btn.danger:hover { background: #A93F3F; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--ink); }

/* ---------- 主区域 ---------- */
main { flex: 1; padding: 28px 0 48px; }

.hero {
  background: linear-gradient(135deg, #FFE9D2 0%, #FFF4E6 60%, #FFEFDD 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 44px 32px;
  text-align: center;
  margin-bottom: 32px;
}
.hero h1 { font-size: 30px; margin-bottom: 8px; }
.hero p { color: var(--ink-soft); font-size: 16px; }

.section-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin-bottom: 36px;
}
.section-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px; box-shadow: var(--shadow); color: var(--ink);
  transition: transform .15s, box-shadow .15s; display: block;
}
.section-card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(217,108,44,.14); text-decoration: none; }
.section-card .icon { font-size: 30px; }
.section-card h3 { margin: 8px 0 4px; font-size: 18px; }
.section-card p { color: var(--ink-soft); font-size: 13px; }

.block-title { font-size: 20px; margin: 28px 0 14px; display: flex; align-items: center; gap: 8px; }
.block-title .more { margin-left: auto; font-size: 14px; font-weight: 400; }

/* 首页梯队区块 */
.tier-block { margin-bottom: 8px; }
.tier-block:first-of-type .block-title { margin-top: 8px; }
.tier-more { text-align: center; margin-top: 14px; }

/* ---------- 帖子卡片/列表 ---------- */
.post-list { display: flex; flex-direction: column; gap: 14px; }
.post-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow); color: var(--ink); display: block;
}
.post-card:hover { text-decoration: none; border-color: var(--accent); }
.post-card .p-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-card h3 { font-size: 18px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pin-badge { background: var(--accent); color: #fff; font-size: 12px; border-radius: 6px; padding: 1px 8px; flex: none; }
.post-card .excerpt {
  color: var(--ink-soft); font-size: 14px; margin-top: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-meta { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 13px; color: var(--ink-soft); flex-wrap: wrap; }
.tag { background: var(--bg-soft); border-radius: 6px; padding: 1px 8px; font-size: 12px; color: var(--accent-dark); }
.thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.thumbs img { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }

.empty {
  text-align: center; color: var(--ink-soft); padding: 48px 16px;
  background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius);
}
.pager { display: flex; justify-content: center; gap: 12px; margin-top: 24px; align-items: center; }

/* ---------- 帖子详情 ---------- */
.post-detail { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.post-detail h1 { font-size: 26px; margin-bottom: 12px; }
.post-detail .content { margin-top: 18px; font-size: 16px; white-space: pre-wrap; word-break: break-word; }
.post-detail .images { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 18px; }
.post-detail .images img { border-radius: 12px; border: 1px solid var(--line); width: 100%; }
.app-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; background: var(--accent-soft); border: 1px solid var(--accent); color: var(--accent-dark); padding: 8px 16px; border-radius: 999px; font-size: 15px; }
.post-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.comments { margin-top: 28px; }
.comment { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 10px; }
.comment .c-head { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.comment .c-body { margin-top: 6px; font-size: 15px; white-space: pre-wrap; word-break: break-word; }
.comment .c-del { margin-left: auto; background: none; border: none; color: #C75454; font-size: 13px; }

/* ---------- 表单 ---------- */
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); max-width: 640px; margin: 0 auto; }
.form-card h1 { font-size: 22px; margin-bottom: 20px; text-align: center; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font-size: 15px; font-family: inherit; background: #FFFDFA; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.field textarea { min-height: 160px; resize: vertical; }
.form-tip { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.form-error { background: #FDECEC; color: #A93F3F; border-radius: 10px; padding: 10px 14px; font-size: 14px; margin-bottom: 14px; display: none; }
.form-error.show { display: block; }
.form-actions { display: flex; gap: 12px; justify-content: center; margin-top: 8px; }
.img-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.img-preview .ip { position: relative; }
.img-preview img { width: 80px; height: 80px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.img-preview .ip button {
  position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%;
  border: none; background: #C75454; color: #fff; font-size: 12px; line-height: 1;
}

/* ---------- 管理页 ---------- */
.admin-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line); }
.admin-table th { background: var(--bg-soft); color: var(--ink-soft); font-weight: 600; }
.role-badge { border-radius: 6px; padding: 2px 10px; font-size: 12px; }
.role-badge.parent { background: var(--accent-soft); color: var(--accent-dark); }
.role-badge.child { background: #E3F0E6; color: var(--green); }

/* ---------- 页脚 & 备案 ---------- */
.site-footer {
  border-top: 1px solid var(--line); background: #FFFBF5;
  padding: 24px 0; margin-top: auto; font-size: 13px; color: var(--ink-soft); text-align: center;
}
.site-footer .beian { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
.site-footer .beian a { color: var(--ink-soft); display: inline-flex; align-items: center; gap: 5px; }
.site-footer .beian a:hover { color: var(--accent-dark); }
.site-footer .beian img { width: 16px; height: 16px; }

.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 22px; border-radius: 999px;
  font-size: 14px; z-index: 99; opacity: 0; transition: opacity .2s; pointer-events: none;
}
.toast.show { opacity: .95; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 8px 16px 14px; gap: 2px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 12px; border-radius: 10px; }
  .header-user .u-name { display: none; }
  .hero { padding: 32px 20px; }
  .hero h1 { font-size: 24px; }
  .post-detail { padding: 20px 16px; }
  .post-detail h1 { font-size: 22px; }
  .form-card { padding: 22px 16px; }
  .admin-table { display: block; overflow-x: auto; }
}