.sp-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    padding: 20px;
    box-sizing: border-box;
}
.sp-box {
    background: #fff;
    padding: 24px;
    border-radius: 4px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin: auto;
}
.sp-title {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: bold;
}
.sp-body {
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.4;
}
.sp-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.sp-loading {
    display: none;
    text-align: center;
    padding: 10px;
}
.sp-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: sp-spin 1s linear infinite;
    margin: 0 auto;
}
@keyframes sp-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.sp-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 13px;
}
.sp-table th,
.sp-table td {
    border: 1px solid #ddd;
    padding: 6px 8px;
    text-align: left;
}
.sp-table th {
    background-color: #f5f5f5;
    font-weight: 600;
}
.sp-table tr:nth-child(even) {
    background-color: #fafafa;
}