/* ============================================================================
   裂变招生码管理后台 — 样式表
   与现有获客板块风格保持一致
   ============================================================================ */
.referral-dashboard {
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

.referral-dashboard .page-header h2 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0;
}

.referral-dashboard .page-header .header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.referral-dashboard .date-filter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.referral-dashboard .date-filter input[type="date"] {
    padding: 6px 10px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    font-size: 13px;
    background: #fff;
}

/* ========== Tab 栏 ========== */
.referral-dashboard .tab-bar {
    display: flex;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 20px;
    gap: 0;
}

.referral-dashboard .tab-bar .tab-item {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    user-select: none;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.referral-dashboard .tab-bar .tab-item:hover {
    color: #4f46e5;
    background: #f5f3ff;
}

.referral-dashboard .tab-bar .tab-item.active {
    color: #4f46e5;
    border-bottom-color: #4f46e5;
    font-weight: 600;
}

/* ========== 表格通用 ========== */
.referral-dashboard .data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.referral-dashboard .data-table th {
    background: #f9fafb;
    padding: 12px 14px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    border-bottom: 2px solid #e5e7eb;
    white-space: nowrap;
}

.referral-dashboard .data-table td {
    padding: 10px 14px;
    font-size: 13px;
    color: #4b5563;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

.referral-dashboard .data-table tr:hover {
    background: #f9fafb;
}

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

/* ========== 状态标签 ========== */
.referral-dashboard .status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.referral-dashboard .status-badge.active {
    background: #d1fae5;
    color: #065f46;
}

.referral-dashboard .status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.referral-dashboard .status-badge.inactive {
    background: #fee2e2;
    color: #991b1b;
}

.referral-dashboard .status-badge.closed {
    background: #f3f4f6;
    color: #6b7280;
}

.referral-dashboard .status-badge.deal-done {
    background: #dbeafe;
    color: #1e40af;
}

/* ========== 按钮 ========== */
.referral-dashboard .btn {
    padding: 6px 14px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.referral-dashboard .btn-primary {
    background: #4f46e5;
    color: #fff;
}

.referral-dashboard .btn-primary:hover {
    background: #4338ca;
}

.referral-dashboard .btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d0d5dd;
}

.referral-dashboard .btn-secondary:hover {
    background: #e5e7eb;
}

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

.referral-dashboard .btn-success {
    background: #059669;
    color: #fff;
}

.referral-dashboard .btn-success:hover {
    background: #047857;
}

.referral-dashboard .btn-copy {
    background: #e0e7ff;
    color: #4338ca;
    border: 1px solid #c7d2fe;
}

.referral-dashboard .btn-copy:hover {
    background: #c7d2fe;
}

/* ========== 统计卡片 ========== */
.referral-dashboard .stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.referral-dashboard .stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border: 1px solid #f0f0f0;
}

.referral-dashboard .stat-card .stat-label {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 6px;
}

.referral-dashboard .stat-card .stat-value {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
}

.referral-dashboard .stat-card .stat-value.purple {
    color: #7c3aed;
}

.referral-dashboard .stat-card .stat-value.green {
    color: #059669;
}

.referral-dashboard .stat-card .stat-value.blue {
    color: #2563eb;
}

.referral-dashboard .stat-card .stat-value.gold {
    color: #d97706;
}

/* ========== 推广码展示 ========== */
.referral-dashboard .ref-code-display {
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 13px;
    font-weight: 600;
    color: #4f46e5;
    background: #eef2ff;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.referral-dashboard .copy-hint {
    font-size: 11px;
    color: #6b7280;
    margin-left: 4px;
    cursor: pointer;
}

.referral-dashboard .copy-hint:hover {
    color: #4f46e5;
}

/* ========== 空状态 ========== */
.referral-dashboard .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #9ca3af;
}

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

.referral-dashboard .empty-state p {
    font-size: 14px;
    margin: 0;
}

/* ========== 排行列表 ========== */
.referral-dashboard .rank-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.referral-dashboard .rank-item {
    display: flex;
    align-items: center;
    background: #fff;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    gap: 14px;
}

.referral-dashboard .rank-item .rank-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #6b7280;
    background: #f3f4f6;
    flex-shrink: 0;
}

.referral-dashboard .rank-item:nth-child(1) .rank-number {
    background: #fef3c7;
    color: #d97706;
}

.referral-dashboard .rank-item:nth-child(2) .rank-number {
    background: #e5e7eb;
    color: #6b7280;
}

.referral-dashboard .rank-item:nth-child(3) .rank-number {
    background: #fed7aa;
    color: #c2410c;
}

.referral-dashboard .rank-item .rank-info {
    flex: 1;
}

.referral-dashboard .rank-item .rank-name {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
}

.referral-dashboard .rank-item .rank-role {
    font-size: 12px;
    color: #6b7280;
}

.referral-dashboard .rank-item .rank-stats {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #4b5563;
}

.referral-dashboard .rank-item .rank-stats span {
    white-space: nowrap;
}

.referral-dashboard .rank-item .rank-stats .num {
    font-weight: 600;
}

/* ========== 分页 ========== */
.referral-dashboard .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
}

.referral-dashboard .pagination button {
    padding: 6px 12px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.referral-dashboard .pagination button:hover:not(:disabled) {
    background: #f3f4f6;
}

.referral-dashboard .pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.referral-dashboard .pagination .page-info {
    font-size: 13px;
    color: #6b7280;
}

/* ========== Toast / 消息提示 ========== */
.referral-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #1a1a2e;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    animation: referralToastIn 0.3s ease;
}

.referral-toast.fade-out {
    animation: referralToastOut 0.3s ease forwards;
}

@keyframes referralToastIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes referralToastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(16px); }
}

/* ========== 加载 ========== */
.referral-dashboard .loading {
    text-align: center;
    padding: 40px;
    color: #9ca3af;
    font-size: 14px;
}

/* ========== 搜索框 ========== */
.referral-dashboard .search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.referral-dashboard .search-box input {
    flex: 1;
    max-width: 300px;
    padding: 8px 12px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    font-size: 13px;
}

.referral-dashboard .search-box input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 2px rgba(79,70,229,0.1);
}

/* ========== Top 3 特殊样式 ========== */
.referral-dashboard .rank-item .rank-medal {
    font-size: 20px;
}