/* 宠膳 AI — 管理后台暗色主题 v2.0（专业版） */

:root {
  --brand-orange: #E88A6A;
  --brand-orange-light: #F0BDA0;
  --brand-orange-dark: #C97A5E;
  --bg-deep: #0f1117;
  --bg-dark: #181a22;
  --bg-card: #1e2030;
  --bg-card-hover: #252840;
  --bg-sidebar: #12141e;
  --bg-sidebar-hover: #1c1f31;
  --bg-input: #13151d;
  --text-primary: #e4e6f0;
  --text-secondary: #9498b0;
  --text-muted: #5c6080;
  --border-color: #282a3a;
  --border-light: #32344a;
  --success: #4CAF50;
  --success-bg: rgba(76,175,80,0.12);
  --warning: #fbbc04;
  --warning-bg: rgba(251,188,4,0.12);
  --danger: #ea4335;
  --danger-bg: rgba(234,67,53,0.12);
  --info: #64B5F6;
  --info-bg: rgba(100,181,246,0.12);
  --chart-blue: #5b8def;
  --chart-purple: #b388ff;
  --chart-teal: #4dd0e1;
  --chart-pink: #ff80ab;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Noto Sans SC', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ================================================================
   登录页
   ================================================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(232,138,106,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(100,181,246,0.04) 0%, transparent 50%);
  animation: bgDrift 20s ease-in-out infinite alternate;
}

@keyframes bgDrift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, -5%) rotate(3deg); }
}

.login-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.login-brand {
  text-align: center;
}

.login-brand .brand-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
}

.login-brand h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-orange);
  margin: 0;
  letter-spacing: 2px;
}

.login-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 4px 0 0 0;
  letter-spacing: 1px;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 380px;
  max-width: 90%;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.login-card .login-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 24px 0;
  text-align: center;
  color: var(--text-primary);
}

.login-card .form-group {
  margin-bottom: 18px;
}

.login-card label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.login-card input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s;
}

.login-card input::placeholder { color: var(--text-muted); }
.login-card input:focus {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(232,138,106,0.15);
}

.login-card .login-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-dark));
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
}

.login-card .login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,138,106,0.3);
}

.login-card .login-btn:active {
  transform: translateY(0);
}

.login-error {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid rgba(234,67,53,0.2);
}

.login-footer {
  text-align: center;
  margin-top: 24px;
}

.login-footer span {
  font-size: 12px;
  color: var(--text-muted);
}

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

/* ── 侧边栏 ── */
.sidebar {
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-brand h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--brand-orange);
  letter-spacing: 1px;
}

.sidebar-brand small {
  color: var(--text-muted);
  font-size: 11px;
  display: block;
  margin-top: 2px;
}

.sidebar-nav {
  padding: 8px 0;
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
  margin: 1px 0;
}

.sidebar-nav a:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  background: rgba(232,138,106,0.08);
  color: var(--brand-orange);
  border-left-color: var(--brand-orange);
  font-weight: 600;
}

.sidebar-nav .nav-icon {
  width: 22px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s;
}

.sidebar-footer a:hover { color: var(--text-secondary); }

/* ── 主内容区 ── */
.main-content {
  margin-left: 240px;
  flex: 1;
  padding: 28px 32px;
  min-height: 100vh;
}

/* ── 页面标题 ── */
.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.page-header-left h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.page-header-left p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

.last-updated {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.last-updated .dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  display: inline-block;
}

/* ================================================================
   KPI 卡片
   ================================================================ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--brand-orange);
  border-radius: 0 2px 2px 0;
}

.kpi-card:nth-child(2)::before { background: var(--info); }
.kpi-card:nth-child(3)::before { background: var(--success); }
.kpi-card:nth-child(4)::before { background: var(--chart-purple); }

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

.kpi-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.kpi-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

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

/* ================================================================
   图表容器
   ================================================================ */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 20px 24px;
  transition: border-color 0.2s;
}

.chart-card:hover {
  border-color: var(--border-light);
}

.chart-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--text-primary);
}

.chart-card .chart-container {
  position: relative;
  height: 280px;
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

/* ================================================================
   表格
   ================================================================ */
.table-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 0;
  margin-bottom: 24px;
  overflow: hidden;
}

.table-card .table-header {
  padding: 18px 24px 0;
}

.table-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 4px 0;
}

.table-card .table-scroll {
  overflow-x: auto;
  padding: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  background: rgba(0,0,0,0.15);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

.data-table .num {
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-weight: 500;
}

/* ================================================================
   漏斗图
   ================================================================ */
.funnel { padding: 8px 0; }

.funnel-stage {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  position: relative;
}

.funnel-bar-bg {
  flex: 1;
  height: 36px;
  background: var(--bg-card-hover);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.funnel-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-orange-dark), var(--brand-orange-light));
  border-radius: var(--radius-sm);
  transition: width 0.6s ease;
  display: flex;
  align-items: center;
  padding-left: 12px;
}

.funnel-bar-fill span {
  color: white;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.funnel-label {
  width: 140px;
  font-size: 13px;
  color: var(--text-primary);
  text-align: right;
  flex-shrink: 0;
}

.funnel-pct {
  width: 60px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-orange);
  text-align: right;
  flex-shrink: 0;
}

/* ================================================================
   组件
   ================================================================ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }

.progress-bar {
  height: 6px;
  background: var(--bg-card-hover);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--brand-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

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

/* ── 筛选栏 ── */
.filter-bar {
  margin-bottom: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-filter {
  padding: 8px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-filter:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.btn-filter.active {
  border-color: var(--brand-orange);
  background: rgba(232,138,106,0.1);
  color: var(--brand-orange);
}

.btn-filter.violation-active {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: var(--danger);
}

/* ── 按钮 ── */
.btn-sm {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 12px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.15s;
}

.btn-sm:hover { opacity: 0.85; }

.btn-view { background: var(--info); color: white; }
.btn-hide { background: var(--warning); color: #1a1d23; }
.btn-show { background: var(--success); color: white; }
.btn-delete-sm { background: transparent; border: 1px solid var(--danger); color: var(--danger); }

/* ── 模态框 ── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 640px;
  width: 95%;
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}

.modal-close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* ── 搜索框 ── */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.search-bar input:focus {
  border-color: var(--brand-orange);
}

.search-bar button {
  padding: 10px 20px;
  background: var(--brand-orange);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.search-bar button:hover {
  background: var(--brand-orange-dark);
}

/* ── Tab ── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.tab {
  padding: 10px 20px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--brand-orange);
  border-bottom-color: var(--brand-orange);
  font-weight: 600;
}

/* ── 输入框组 ── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand-orange);
}

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

/* ── 分页 ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.pagination button {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}

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

.pagination span {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ================================================================
   响应式
   ================================================================ */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-brand h1, .sidebar-brand small, .sidebar-nav a span, .sidebar-footer span { display: none; }
  .sidebar-nav a { justify-content: center; padding: 14px; }
  .sidebar-footer a { justify-content: center; }
  .main-content { margin-left: 60px; padding: 16px; }
  .chart-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; align-items: flex-start; }
}