body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f6f8fa;
    margin: 0;
    padding: 0;
}
.main-container {
    background: #fff;
    max-width: 900px;
    margin: 40px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 32px 40px 24px 40px;
}
h1 {
    font-size: 1.5em;
    color: #2d3a4b;
    margin-bottom: 18px;
}
label, .auto-style4, .auto-style1 {
    color: #2d3a4b;
}
.asp-label {
    font-weight: bold;
}
.asp-panel, .asp-textbox, .asp-dropdown, .asp-button {
    margin-bottom: 12px;
}
.asp-button, .asp-fileupload {
    padding: 6px 18px;
    border-radius: 5px;
    border: 1px solid #1976d2;
    background: #1976d2;
    color: #fff;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}
.asp-button:hover {
    background: #125ea2;
}
.asp-fileupload {
    background: #fff;
    color: #2d3a4b;
    border: 1px solid #b0bec5;
}
.asp-dropdown {
    border-radius: 4px;
    border: 1px solid #b0bec5;
    padding: 4px 8px;
}
.asp-textbox {
    border-radius: 4px;
    border: 1px solid #b0bec5;
    padding: 4px 8px;
}
#loadingOverlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
#loadingOverlay .spinner {
    border: 6px solid #e0e0e0;
    border-top: 6px solid #1976d2;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 1s linear infinite;
    margin-bottom: 18px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
#loadingOverlay .loading-text {
    font-size: 1.2em;
    color: #1976d2;
    font-weight: 500;
}
.auto-style5 {
    border-radius: 4px;
    border: 1px solid #b0bec5;
    margin-bottom: 12px;
    padding: 4px 8px;
}
.auto-style3 {
    height: 36px;
}