/* ==========================================================================
   注会陪跑 · 智能管理中台 - 基础设计系统与通用原子样式 (Base Design System)
   ========================================================================== */

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --accent: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  --border: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}
.btn-secondary {
  background: white;
  border-color: var(--border);
  color: #334155;
}
.btn-secondary:hover:not(:disabled) {
  background: #f1f5f9;
  border-color: #cbd5e1;
}
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}
.btn-ai {
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}
.btn-ai:hover:not(:disabled) {
  opacity: 0.95;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.45);
}
.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* 通用表单控件 */
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}
.form-input, .form-select {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: white;
  color: #0f172a;
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* 卡片容器 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

/* 表格体系 */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: white;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}
.data-table th {
  background: #f8fafc;
  padding: 12px 16px;
  font-weight: 600;
  color: #475569;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: #1e293b;
}
.data-table tbody tr:hover {
  background: #f8fafc;
}

/* 状态徽章 Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}
.badge-primary { background: #e0e7ff; color: #4338ca; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-cyan    { background: #cffafe; color: #155e75; }
.badge-slate   { background: #f1f5f9; color: #475569; }

/* 筛选工具栏 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  background: white;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* 分页器 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* 常用动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.08); }
}