/* 独立站管理后台样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --bg: #f1f5f9;
  --card: #fff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --sidebar-w: 236px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
button { cursor: pointer; font-family: inherit; }
input, textarea, select {
  font-family: inherit; font-size: 14px;
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; color: var(--text); width: 100%; outline: none;
  transition: border-color .15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
textarea { resize: vertical; min-height: 90px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14px; font-weight: 500; transition: all .15s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: #fff; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* 登录页 */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  padding: 20px;
}
.login-card {
  background: #fff; border-radius: 16px; padding: 36px 40px; width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.login-logo {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 14px;
  background: linear-gradient(135deg,#f59e0b,#f97316);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff;
}
.login-card h1 { text-align: center; font-size: 20px; margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 24px; }
.form-item { margin-bottom: 16px; }
.form-item label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-light); }
.login-tip { color: var(--danger); font-size: 13px; text-align: center; margin-top: 12px; min-height: 18px; }
.login-foot { text-align: center; color: var(--text-light); font-size: 12px; margin-top: 16px; }

/* 主布局 */
#mainView { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); background: #0f172a; color: #cbd5e1;
  display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0;
}
.side-brand {
  display: flex; align-items: center; gap: 10px; padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.side-logo {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg,#f59e0b,#f97316);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.side-brand strong { display: block; color: #fff; font-size: 16px; }
.side-brand small { font-size: 12px; opacity: .6; }
.side-nav { flex: 1; padding: 14px 10px; }
.side-nav a {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 8px;
  color: #cbd5e1; text-decoration: none; margin-bottom: 4px; font-size: 14px;
  transition: background .15s;
}
.side-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.side-nav a.active { background: var(--primary); color: #fff; }
.side-foot { padding: 14px; border-top: 1px solid rgba(255,255,255,.08); }
.admin-info { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600;
}
.admin-info strong { display: block; color: #fff; font-size: 14px; }
.admin-info small { font-size: 12px; opacity: .6; }

.content { flex: 1; margin-left: var(--sidebar-w); padding: 24px 28px; }
.content-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.content-head h2 { font-size: 22px; }
.view-site { color: var(--primary); text-decoration: none; font-size: 14px; }
.page-body { }

/* 卡片 / 网格 */
.card {
  background: var(--card); border-radius: 12px; border: 1px solid var(--border);
  padding: 20px; margin-bottom: 18px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.card-title .sub { font-size: 12px; color: var(--text-light); font-weight: 400; margin-left: 8px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px;
}
.stat-card .label { color: var(--text-light); font-size: 13px; margin-bottom: 8px; }
.stat-card .num { font-size: 26px; font-weight: 700; color: var(--text); }
.stat-card .num.accent { color: var(--primary); }
.stat-card .num.green { color: var(--success); }

/* 表格 */
.table-wrap { background: var(--card); border-radius: 12px; border: 1px solid var(--border); overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: #f8fafc; font-weight: 600; color: var(--text-light); white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfc; }
td .thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); display: block; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.badge.green { background: #dcfce7; color: #166534; }
.badge.red { background: #fee2e2; color: #991b1b; }
.badge.blue { background: #dbeafe; color: #1e40af; }
.badge.gray { background: #f1f5f9; color: #475569; }
.badge.orange { background: #ffedd5; color: #9a3412; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 6px; background: var(--primary-light); color: var(--primary); font-size: 12px; margin-right: 4px; }
.row-actions { display: flex; gap: 6px; }
.row-actions .btn { padding: 5px 10px; font-size: 12px; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
.form-item2 label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-light); }
.form-item2 label .req { color: var(--danger); }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }
.hint { font-size: 12px; color: var(--text-light); margin-top: 6px; }
.hint.err { color: var(--danger); }
.divider { border-top: 1px solid var(--border); margin: 18px 0; }

/* 工具栏 */
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.toolbar input { width: 260px; }
.toolbar .spacer { flex: 1; }
.pagination { display: flex; gap: 6px; align-items: center; justify-content: flex-end; margin-top: 14px; font-size: 13px; }
.pagination button { padding: 5px 12px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* 图片上传 */
.upload-box {
  border: 2px dashed var(--border); border-radius: 10px; padding: 22px; text-align: center;
  cursor: pointer; transition: border-color .15s; color: var(--text-light);
}
.upload-box:hover { border-color: var(--primary); color: var(--primary); }
.upload-box.has-img { border-style: solid; border-color: var(--success); }
.upload-box img { max-width: 200px; max-height: 200px; border-radius: 8px; margin-bottom: 8px; display: block; margin: 0 auto 8px; }
.upload-box .up-hint { font-size: 12px; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 100;
  display: flex; align-items: flex-start; justify-content: center; padding: 60px 20px; overflow: auto;
}
.modal {
  background: #fff; border-radius: 14px; width: 560px; max-width: 100%;
  padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.modal.wide { width: 720px; }
.modal h3 { font-size: 17px; margin-bottom: 16px; }
.modal .form-actions { justify-content: flex-end; }

/* Toast */
.toast {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #fff; padding: 11px 24px; border-radius: 8px;
  font-size: 14px; z-index: 200; opacity: 0; pointer-events: none; transition: opacity .25s;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

/* 空状态 */
.empty { text-align: center; padding: 40px; color: var(--text-light); }

/* 折叠面板（首页配置） */
.collapse { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
.collapse-head {
  padding: 13px 16px; background: #f8fafc; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.collapse-head .arrow { transition: transform .2s; }
.collapse.open .collapse-head .arrow { transform: rotate(90deg); }
.collapse-body { padding: 16px; display: none; }
.collapse.open .collapse-body { display: block; }
.feature-row {
  display: grid; grid-template-columns: 70px 1fr 1fr; gap: 10px; margin-bottom: 10px;
  align-items: center;
}
.feature-row input { }

/* 趋势条形图 */
.trend-bar { display: flex; align-items: flex-end; gap: 12px; height: 120px; padding-top: 10px; }
.trend-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.trend-col .bar { width: 60%; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 3px; }
.trend-col .bar-label { font-size: 12px; color: var(--text-light); }