/* ==================== 三川田项目产值分配系统 - 现代化浅色主题 ==================== */
:root {
  /* 背景色系统 - 浅色主题 */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #fafbfc;
  --bg-sidebar: #ffffff;
  
  /* 边框系统 */
  --border: rgba(203, 213, 225, 0.6);
  --border-light: rgba(226, 232, 240, 0.8);
  --border-hover: rgba(148, 163, 184, 0.8);
  
  /* 天蓝色主色系 - 用户偏好 */
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  
  /* 渐变定义 */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  --gradient-secondary: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  
  /* 文字颜色 - 深色便于阅读 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-inverse: #ffffff;
  
  /* 功能色 */
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-50: #f0fdf4;
  --red-400: #f87171;
  --red-500: #ef4444;
  --red-50: #fef2f2;
  --yellow-400: #fbbf24;
  --yellow-500: #f59e0b;
  --yellow-50: #fffbeb;
  --purple-400: #a78bfa;
  --purple-500: #8b5cf6;
  --purple-50: #f5f3ff;
  
  /* 阴影系统 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-blue: 0 4px 20px rgba(59, 130, 246, 0.25);
  
  /* 布局变量 */
  --sidebar-width: 260px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
}

* { 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-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 微妙的网格背景 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(59,130,246,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* 顶部渐变光晕 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 400px;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ==================== Layout ==================== */
#app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.page-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px 40px;
  max-width: 1400px;
  animation: fadeSlide 0.3s ease;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== Sidebar ==================== */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: white;
  box-shadow: var(--shadow-blue);
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
}

.sidebar-brand-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

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

.sidebar-menu {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.nav-item:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.nav-item.active {
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  box-shadow: var(--shadow-blue);
}

.nav-item.active .nav-icon {
  color: white;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-label {
  flex: 1;
}

.nav-badge {
  background: var(--red-500);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

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

.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.user-card:hover {
  background: var(--blue-50);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: white;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==================== Page Header ==================== */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.page-desc {
  font-size: 14px;
  color: var(--text-muted);
}

.back-link {
  color: var(--blue-500);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.back-link:hover { 
  color: var(--blue-600);
}

.header-actions {
  display: flex;
  gap: 12px;
}

/* ==================== Cards ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

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

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title-actions {
  display: flex;
  gap: 8px;
}

/* 统计卡片 */
.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, transparent 50%, rgba(59,130,246,0.03) 50%);
  border-radius: 0 0 0 100%;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.stat-icon.blue { background: var(--blue-50); }
.stat-icon.green { background: var(--green-50); }
.stat-icon.yellow { background: var(--yellow-50); }
.stat-icon.purple { background: var(--purple-50); }

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.stat-value.blue { color: var(--blue-500); }
.stat-value.green { color: var(--green-500); }
.stat-value.yellow { color: var(--yellow-500); }
.stat-value.purple { color: var(--purple-500); }

.stat-change {
  font-size: 13px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up { color: var(--green-500); }
.stat-change.down { color: var(--red-500); }

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(59,130,246,0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--red-500);
  color: white;
}

.btn-danger:hover {
  background: var(--red-400);
}

.btn-success {
  background: var(--green-500);
  color: white;
}

.btn-success:hover {
  background: var(--green-400);
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-xl { padding: 16px 32px; font-size: 16px; border-radius: var(--radius-lg); }

/* ==================== Tables ==================== */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead th {
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary);
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: var(--blue-50);
}

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

.data-table tbody td {
  padding: 14px 16px;
  white-space: nowrap;
  color: var(--text-primary);
}

/* 排名徽章 */
.rank-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.rank-badge.gold {
  background: linear-gradient(135deg, #ffd700, #f4c430);
  color: #1e293b;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.rank-badge.silver {
  background: linear-gradient(135deg, #e8e8e8, #c0c0c0);
  color: #1e293b;
}

.rank-badge.bronze {
  background: linear-gradient(135deg, #cd7f32, #b87333);
  color: #fff;
}

.rank-badge.normal {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* ==================== Forms ==================== */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-section {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
}

.form-section:first-child {
  padding-top: 0;
}

.form-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.form-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-section-title::before {
  content: '';
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--gradient-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 8px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-group label .required {
  color: var(--red-500);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s ease;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
  background: var(--bg-card);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ==================== Section Titles ==================== */
.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--gradient-primary);
}

/* ==================== Badges ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-blue {
  background: var(--blue-50);
  color: var(--blue-600);
  border: 1px solid var(--blue-200);
}

.badge-green {
  background: var(--green-50);
  color: var(--green-500);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-yellow {
  background: var(--yellow-50);
  color: var(--yellow-500);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-red {
  background: var(--red-50);
  color: var(--red-500);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-purple {
  background: var(--purple-50);
  color: var(--purple-500);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

/* ==================== Tabs ==================== */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-md);
  width: fit-content;
}

.tab {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  background: var(--bg-card);
  color: var(--blue-600);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ==================== Modals ==================== */
.modal-bg {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-bg.open {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 480px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.25s cubic-bezier(0.4,0,0.2,1);
  box-shadow: var(--shadow-xl);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: none; }
}

.modal-x {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.modal-x:hover {
  background: var(--red-50);
  color: var(--red-500);
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ==================== Status Indicators ==================== */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.status-dot.live {
  background: var(--green-500);
  box-shadow: 0 0 6px var(--green-500);
  animation: pulse 2s infinite;
}

.status-dot.warning {
  background: var(--yellow-500);
}

.status-dot.error {
  background: var(--red-500);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.5); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.7); }

/* ==================== Selection ==================== */
::selection {
  background: rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
}

/* ==================== Responsive ==================== */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-content { padding: 24px 20px; }
}

@media (max-width: 768px) {
  .sidebar { 
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-menu { 
    flex-direction: row; 
    overflow-x: auto;
    padding: 8px;
  }
  .nav-item { 
    white-space: nowrap;
    padding: 8px 12px;
  }
  .nav-label { display: none; }
  .page-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* ==================== Empty States ==================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ==================== Loading States ==================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-light) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==================== Toast Notifications ==================== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastIn 0.3s ease;
  min-width: 300px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: none; }
}

.toast.success { border-left: 4px solid var(--green-500); }
.toast.error { border-left: 4px solid var(--red-500); }
.toast.warning { border-left: 4px solid var(--yellow-500); }
.toast.info { border-left: 4px solid var(--blue-500); }