/* ====== 个人资产管理系统 - 全局样式 ====== */

:root {
  --primary: #1976D2;
  --primary-light: #42A5F5;
  --primary-dark: #1565C0;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --text: #37474F;
  --text-secondary: #78909C;
  --border: #E0E0E0;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  /* Category colors */
  --fund-color: #4FC3F7;
  --invest-color: #FFA726;
  --insure-color: #66BB6A;
  --income-color: #66BB6A;
  --expense-color: #EF5350;
  --pl-color: #42A5F5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ====== 登录页 ====== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 50%, #90CAF9 100%);
}
.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 40px;
  width: 400px;
  max-width: 90vw;
  box-shadow: 0 8px 40px rgba(25,118,210,0.12);
  text-align: center;
}
.login-card h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.login-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}
.login-card .input-group {
  margin-bottom: 20px;
  text-align: left;
}
.login-card .input-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.login-card input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.login-card input:focus {
  border-color: var(--primary-light);
}

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

/* 侧边栏 */
.sidebar {
  width: 220px;
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  display: flex;
  flex-direction: column;
}
.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-header h2 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
}
.sidebar-header .version {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.sidebar-nav .nav-item:hover {
  background: #F5F7FA;
}
.sidebar-nav .nav-item.active {
  background: #E3F2FD;
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.sidebar-nav .nav-item .icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}
.sidebar-nav .nav-section {
  padding: 8px 20px 4px;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* 内容区 */
.main-content {
  margin-left: 220px;
  flex: 1;
  padding: 24px 32px;
  min-height: 100vh;
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-header h1 {
  font-size: 22px;
  font-weight: 700;
}
.page-header .subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ====== 通用组件 ====== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

/* 统计卡片 */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}
.stat-card .label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.stat-card .value {
  font-size: 22px;
  font-weight: 700;
}
.stat-card .change {
  font-size: 12px;
  margin-top: 4px;
}
.stat-card .change.up { color: var(--expense-color); }
.stat-card .change.down { color: var(--income-color); }
.stat-card.color-fund { border-left: 3px solid var(--fund-color); }
.stat-card.color-invest { border-left: 3px solid var(--invest-color); }
.stat-card.color-insure { border-left: 3px solid var(--insure-color); }
.stat-card.color-total { border-left: 3px solid var(--primary); }

/* 图表容器 */
.chart-container {
  width: 100%;
  height: 320px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: #ECEFF1;
  color: var(--text);
}
.btn-secondary:hover { background: #CFD8DC; }
.btn-danger {
  background: #FFEBEE;
  color: #C62828;
}
.btn-danger:hover { background: #FFCDD2; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  background: #F5F7FA;
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table tr:hover { background: #FAFBFC; }

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.tag-fund { background: #E3F2FD; color: #1565C0; }
.tag-invest { background: #FFF3E0; color: #E65100; }
.tag-insure { background: #E8F5E9; color: #2E7D32; }
.tag-low { background: #E8F5E9; color: #2E7D32; }
.tag-high { background: #FFEBEE; color: #C62828; }
.tag-steady { background: #E0F2F1; color: #00695C; }

/* 表单 */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-group .hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 2px rgba(66,165,245,0.15);
}
select.form-control { background: #fff; cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-inline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; margin-bottom: 8px; color: var(--text); }
.empty-state p { font-size: 13px; }

/* 校核提示 */
.balance-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-top: 8px;
}
.balance-check.pass { background: #E8F5E9; color: #2E7D32; }
.balance-check.fail { background: #FFEBEE; color: #C62828; }
.balance-check.warn { background: #FFF3E0; color: #E65100; }

/* ====== 响应式 ====== */
@media (max-width: 768px) {
  .sidebar { width: 56px; }
  .sidebar .nav-item span:not(.icon) { display: none; }
  .sidebar-header h2 { font-size: 0; }
  .sidebar-header h2::after { content: '💰'; font-size: 20px; }
  .sidebar-header .version { display: none; }
  .sidebar-nav .nav-section { display: none; }
  .main-content { margin-left: 56px; padding: 16px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .form-inline { grid-template-columns: 1fr; }
}

/* ====== 锁图标动画 ====== */
@keyframes lockBreathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
}
.login-lock-icon { animation: lockBreathe 2s ease-in-out infinite; font-size: 48px; margin-bottom: 16px; }

/* ====== 切换开关 ====== */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}
.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  background: #BDBDBD;
  border-radius: 11px;
  transition: background 0.2s;
}
.toggle-switch.active { background: var(--primary-light); }
.toggle-switch::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch.active::after { transform: translateX(18px); }