/* ============================================
   FishCRM v2.0 - 苹果风管理后台样式
   全局变量、布局、组件、页面级样式
   风格：macOS 风格圆角、白色卡片、浅色主题
   ============================================ */

/* ---- CSS 变量 ---- */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", Menlo, monospace;

  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-surface-hover: #f9f9fb;
  --color-border: #e5e5ea;
  --color-border-light: #f0f0f2;

  --color-primary: #007aff;
  --color-primary-hover: #0062cc;
  --color-primary-light: #e8f0fe;

  --color-text: #1d1d1f;
  --color-text-secondary: #86868b;
  --color-text-tertiary: #aeaeb2;

  --color-success: #34c759;
  --color-warning: #ff9500;
  --color-danger: #ff3b30;
  --color-info: #5ac8fa;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.03), 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);

  --sidebar-width: 240px;
  --header-height: 52px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ---- Reset & 全局 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c7c7cc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #aeaeb2; }

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

/* ---- 侧边栏 ---- */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--header-height);
}

.sidebar-logo {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

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

.nav-section-title {
  padding: 8px 20px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-item:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--color-danger);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* ---- 主内容区 ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  min-height: 100vh;
}

/* ---- 顶部导航栏 ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.logout-btn {
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}

/* ---- 页面内容区 ---- */
.page-content {
  padding: 24px;
}

/* ---- 卡片 ---- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

/* ---- 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: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat-change {
  font-size: 12px;
  margin-top: 4px;
}

.stat-change.up { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

/* ---- 表格 ---- */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-hover);
  white-space: nowrap;
}

tbody td {
  padding: 10px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

tbody tr:hover {
  background: var(--color-surface-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: #d1d1d6;
}

.btn-danger {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background: #d63031;
}

.btn-success {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 10px 20px;
  font-size: 15px;
}

/* ---- 表单 ---- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-sans);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

.form-control::placeholder {
  color: var(--color-text-tertiary);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%2386868B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

/* ---- 分页 ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 0;
}

.pagination .page-btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 32px;
  text-align: center;
}

.pagination .page-btn:hover:not(.active):not(:disabled) {
  background: var(--color-surface-hover);
  border-color: #d1d1d6;
}

.pagination .page-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.pagination .page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .page-info {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin: 0 8px;
}

/* ---- 搜索栏 ---- */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.search-bar .form-control {
  max-width: 300px;
}

/* ---- 标签（Tag/Badge） ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.tag-success { background: #e8f8ee; color: #1a7d36; }
.tag-warning { background: #fff4e0; color: #9a5d00; }
.tag-danger { background: #ffe8e7; color: #b82020; }
.tag-info { background: #e4f5ff; color: #0066a1; }
.tag-default { background: #f0f0f2; color: #636366; }

/* ---- 空状态 ---- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-text-tertiary);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state .empty-text {
  font-size: 15px;
  font-weight: 500;
}

.empty-state .empty-desc {
  font-size: 13px;
  margin-top: 4px;
}

/* ---- 加载状态 ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--color-text-tertiary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast 通知 ---- */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn 0.3s ease;
  min-width: 280px;
}

.toast.success { border-left: 4px solid var(--color-success); }
.toast.error { border-left: 4px solid var(--color-danger); }
.toast.warning { border-left: 4px solid var(--color-warning); }
.toast.info { border-left: 4px solid var(--color-info); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- 模态框 ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-tertiary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.modal-body { padding: 20px; }
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ---- 操作列 ---- */
.action-btns {
  display: flex;
  gap: 4px;
}

/* ---- 移动端自适应 ---- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .topbar {
    padding: 0 16px;
  }

  .page-content {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal {
    width: 95%;
    max-width: none;
  }

  .search-bar .form-control {
    max-width: none;
  }
}

/* ---- 移动端汉堡菜单 ---- */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
}

/* ---- 应用页面特定样式 ---- */
.page-header {
  margin-bottom: 20px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-header p {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* ---- 网格表单 ---- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- 详情展示 ---- */
.detail-row {
  display: flex;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.detail-label {
  width: 140px;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.detail-value {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
}

/* ---- 链接按钮样式 ---- */
.btn-link {
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  font-weight: 500;
}

.btn-link:hover { text-decoration: underline; }

/* ---- 行状态颜色 ---- */
.status-normal { color: var(--color-success); }
.status-paused { color: var(--color-warning); }
.status-offline { color: var(--color-text-tertiary); }
.status-fuse-off { color: var(--color-danger); }

/* ---- 看板漏斗图 ---- */
.funnel-step {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.funnel-step:last-child {
  border-bottom: none;
}

.funnel-bar {
  height: 28px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  min-width: 40px;
  transition: width var(--transition-normal);
}

.funnel-label {
  width: 120px;
  font-size: 13px;
  flex-shrink: 0;
}

.funnel-value {
  margin-left: 12px;
  font-size: 14px;
  font-weight: 600;
  min-width: 60px;
}

/* ---- checkbox ---- */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ---- 评分星标 ---- */
.rating-stars {
  color: var(--color-warning);
  font-size: 14px;
}