/* 花木通 — 移动优先的简洁样式 */
:root {
  --green: #2e7d32;
  --green-dark: #1b5e20;
  --green-light: #e8f5e9;
  --orange: #ef6c00;
  --orange-light: #fff3e0;
  --text: #212121;
  --text-muted: #757575;
  --border: #e0e0e0;
  --bg: #f5f6f5;
  --danger: #c62828;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

.container {
  max-width: 750px;
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶部导航 ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 8px;
}
.logo { font-size: 20px; font-weight: 700; color: var(--green-dark); white-space: nowrap; }
.logo:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 12px; font-size: 15px; }
.inline-form { display: inline; margin: 0; }
.link-btn {
  background: none; border: none; padding: 0;
  font-size: 15px; color: var(--green); cursor: pointer;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  min-height: 44px;
  font-size: 16px;
  line-height: 1.5;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}
.btn-primary:hover { background: var(--green-dark); text-decoration: none; }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 5px 12px; min-height: 0; font-size: 14px; border-radius: 6px; }
.btn-outline {
  display: inline-block;
  background: #fff;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 8px 16px;
  min-height: 40px;
  font-size: 15px;
  cursor: pointer;
  text-align: center;
}
.btn-danger-outline {
  background: #fff;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 8px 16px;
  min-height: 40px;
  font-size: 15px;
  cursor: pointer;
}

/* ---------- 首页 Tab 与搜索 ---------- */
.tabs {
  display: flex;
  gap: 8px;
  margin: 16px 0 12px;
}
.tab {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  min-height: 44px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 16px;
}
.tab:hover { text-decoration: none; }
.tab.active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  font-weight: 600;
}
.search-form { display: flex; gap: 8px; margin-bottom: 8px; }
.search-form input[type="search"] {
  flex: 1;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.list-tip { margin: 8px 0 12px; font-size: 14px; color: var(--text-muted); }

/* ---------- 信息卡片 ---------- */
.post-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.post-card, .card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.post-closed { opacity: 0.65; }
.post-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-title { font-size: 17px; font-weight: 600; color: var(--text); }
.post-title:hover { color: var(--green); }
.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.7;
  color: #fff;
}
.badge-sm { font-size: 12px; padding: 0 6px; }
.badge-supply { background: var(--green); }
.badge-demand { background: var(--orange); }
.badge-closed { background: #9e9e9e; }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 6px 0; font-size: 14px; color: var(--text-muted); }
.quantity { font-weight: 700; color: var(--orange); font-size: 16px; }
.post-desc {
  margin: 6px 0;
  font-size: 14px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-contact {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 15px;
}
.contact-name { color: var(--text-muted); }
.tel-link { font-weight: 700; color: var(--green); font-size: 16px; }
.login-hint { color: var(--orange); font-weight: 600; }

/* ---------- 表单 ---------- */
.page-title { font-size: 22px; margin: 20px 0 8px; }
.page-tip { font-size: 14px; color: var(--text-muted); margin: 0 0 12px; }
.form-card label { display: block; margin: 12px 0 4px; font-size: 15px; }
.form-card input[type="text"],
.form-card input[type="search"],
.form-card input[type="tel"],
.form-card input[type="password"],
.form-card input[type="number"],
.form-card select,
.form-card textarea {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  font-size: 16px; /* ≥16px 防止 iOS 聚焦自动放大 */
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.form-card textarea { resize: vertical; }
.form-card .btn-block { margin-top: 20px; }
.required { color: var(--danger); }
.form-row { display: flex; gap: 12px; }
.form-col { flex: 1; }
.form-col-unit { flex: 0 0 110px; }

/* 角色选择 */
.role-group { display: flex; gap: 12px; margin-top: 4px; }
.role-option { flex: 1; margin: 0; }
.role-option input { display: none; }
.role-card {
  display: block;
  text-align: center;
  padding: 14px 8px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font-size: 16px;
  cursor: pointer;
}
.role-card small { color: var(--text-muted); font-size: 13px; }
.role-option input:checked + .role-card {
  border-color: var(--green);
  background: var(--green-light);
}

/* ---------- 提示 ---------- */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 15px;
}
.alert-error { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c0; }
.alert-warn { background: var(--orange-light); color: #8a4b00; border: 1px solid #ffd8b0; }
.empty { text-align: center; padding: 40px 16px; color: var(--text-muted); }
.empty .page-title { margin-top: 0; }
.auth-wrap { max-width: 420px; margin: 0 auto 24px; }
.auth-alt { text-align: center; font-size: 15px; }
.auth-note { text-align: center; font-size: 13px; color: var(--text-muted); }

/* ---------- 详情页 ---------- */
.detail-card { margin-top: 16px; }
.detail-list { display: grid; grid-template-columns: 84px 1fr; gap: 8px 12px; margin: 14px 0 0; }
.detail-list dt { color: var(--text-muted); font-size: 15px; }
.detail-list dd { margin: 0; font-size: 15px; }
.detail-desc h2 { font-size: 16px; margin: 16px 0 4px; }
.detail-desc p { margin: 0; font-size: 15px; white-space: pre-wrap; }
.detail-contact { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border); }
.detail-contact p { margin: 0 0 8px; }
.tel-call { font-size: 17px; }
.owner-actions { margin-top: 16px; }
.owner-actions h2 { font-size: 16px; margin: 0 0 10px; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; }
.back-link { margin: 16px 0 24px; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 32px;
  padding: 20px 0 28px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: #fff;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1024px) {
  .container { max-width: 1000px; }
  .post-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .post-list .empty { grid-column: 1 / -1; }
  .form-card { padding: 20px 24px; }
}