/* ============================================================
   安徽品青官网 - 后台管理系统样式
   主题与前台 css/style.css 保持一致（企业蓝 + 灰）
   ============================================================ */

:root {
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #e8effb;
  --color-accent: #0ea5e9;
  --color-text: #1f2937;
  --color-text-light: #5b6470;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-border: #e2e6ec;
  --color-success: #0f9d58;
  --color-danger: #d93025;
  --color-warning: #f29900;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
  --sidebar-width: 220px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg-alt);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* ===================== 布局 ===================== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: #0f172a;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
}

.sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  letter-spacing: 0.5px;
}
.sidebar-brand span {
  font-size: 0.75rem;
  color: #64748b;
}

.sidebar-nav { padding: 12px 0; flex: 1; overflow-y: auto; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  color: #cbd5e1;
  font-size: 0.9375rem;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active {
  background: rgba(29,78,216,0.22);
  color: #fff;
  border-left-color: var(--color-accent);
}
.sidebar-nav .icon { width: 18px; text-align: center; opacity: 0.85; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8125rem;
}
.sidebar-footer .who { color: #94a3b8; margin-bottom: 8px; word-break: break-all; }
.sidebar-footer button {
  width: 100%;
  background: rgba(255,255,255,0.08);
  color: #e2e8f0;
  border: none;
  border-radius: 6px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-family: inherit;
  transition: var(--transition);
}
.sidebar-footer button:hover { background: rgba(217,48,37,0.85); color: #fff; }

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar h1 { font-size: 1.25rem; margin: 0; }
.topbar .sub { font-size: 0.8125rem; color: var(--color-text-light); }

.content { padding: 24px 28px 48px; }

/* ===================== 通用组件 ===================== */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 20px; }
.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.btn-danger { background: #fff; border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 0.8125rem; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* 表单 */
.field { margin-bottom: 16px; }
.field > label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.field .hint { font-size: 0.75rem; color: var(--color-text-light); margin-top: 4px; }

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="tel"], input[type="url"],
select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1);
}
textarea { resize: vertical; min-height: 84px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .field-full { grid-column: 1 / -1; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead th {
  text-align: left;
  padding: 10px 12px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  white-space: nowrap;
  color: var(--color-text-light);
}
tbody td { padding: 11px 12px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
tbody tr:hover { background: #fafbfc; }
td .cell-sub { font-size: 0.75rem; color: var(--color-text-light); }

/* 徽标 */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-new { background: #fef3c7; color: #92400e; }
.badge-replied { background: #d1fae5; color: #065f46; }
.badge-closed { background: #e5e7eb; color: #4b5563; }

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--color-primary);
}
.stat-card.warn { border-left-color: var(--color-warning); }
.stat-card.ok { border-left-color: var(--color-success); }
.stat-card.info { border-left-color: var(--color-accent); }
.stat-card .label { font-size: 0.8125rem; color: var(--color-text-light); }
.stat-card .value { font-size: 1.875rem; font-weight: 700; line-height: 1.3; }
.stat-card .meta { font-size: 0.75rem; color: var(--color-text-light); }

/* 提示条 */
.alert {
  padding: 11px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-error { background: #fdecea; border-color: #f5c6c2; color: #8c1d18; }
.alert-success { background: #e6f4ea; border-color: #b7e1c2; color: #0d652d; }
.alert-info { background: var(--color-primary-light); border-color: #c3d4f7; color: var(--color-primary-dark); }

.empty {
  text-align: center;
  padding: 44px 20px;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar .spacer { flex: 1; }
.toolbar input, .toolbar select { width: auto; min-width: 140px; }

/* 动态行编辑器（specs / features / faq） */
.rows-editor { margin-bottom: 8px; }
.row-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  margin-bottom: 8px;
  background: #fbfcfd;
}
.row-item .row-fields { flex: 1; display: grid; gap: 8px; }
.row-item .row-fields.cols-2 { grid-template-columns: 1fr 1fr; }
.row-item .row-fields.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.row-item .row-fields input,
.row-item .row-fields textarea { width: 100%; }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.55);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 100;
}
.modal-mask[hidden] { display: none; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 760px;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1.0625rem; margin: 0; }
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-light);
}
.modal-body { padding: 20px; max-height: calc(100vh - 220px); overflow-y: auto; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* 详情定义列表 */
.detail-list { display: grid; grid-template-columns: 120px 1fr; gap: 10px 16px; font-size: 0.9375rem; }
.detail-list dt { color: var(--color-text-light); font-size: 0.875rem; }
.detail-list dd { word-break: break-word; white-space: pre-wrap; }

/* ===================== 登录页 ===================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  padding: 20px;
}
.login-box {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 12px;
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}
.login-box .brand { text-align: center; margin-bottom: 26px; }
.login-box .brand h1 { font-size: 1.25rem; margin-bottom: 4px; }
.login-box .brand p { font-size: 0.8125rem; color: var(--color-text-light); margin: 0; }
.login-box .field { margin-bottom: 16px; }
.login-box .btn-primary { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }
.login-tip {
  margin-top: 18px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-align: center;
}

/* ===================== 图片上传控件 ===================== */
.img-upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px dashed var(--color-border, #d6dae1);
  border-radius: 8px;
  background: var(--color-bg-soft, #f7f8fa);
}
.img-upload .img-prevwrap {
  line-height: 0;
  flex: 0 0 auto;
}
.img-upload .img-preview {
  display: block;
  border: 1px solid var(--color-border, #d6dae1);
  background: #fff;
}
.img-upload .img-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.img-upload .img-name {
  font-size: 0.8125rem;
  color: var(--color-text-light, #6b7280);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.img-upload .img-err {
  font-size: 0.8125rem;
}

/* ===================== 响应式 ===================== */
@media (max-width: 860px) {
  .form-grid { grid-template-columns: 1fr; }
  .row-item .row-fields.cols-2,
  .row-item .row-fields.cols-3 { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .menu-toggle {
    display: inline-flex !important;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 6px;
  }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: var(--color-text); }
}
.menu-toggle { display: none; }