body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 800px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.1);
    padding: 32px;
}

.header {
    text-align: center;
    margin-bottom: 32px;
}

.header h1 {
    font-size: 32px;
    font-weight: 400;
    color: #1976d2;
    margin: 0 0 8px 0;
}

.header p {
    color: #666;
    margin: 0;
}

.drop-zone {
    border: 2px dashed #1976d2;
    border-radius: 8px;
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.drop-zone:hover {
    background-color: #e3f2fd;
    border-color: #1565c0;
}

.drop-zone.dragover {
    background-color: #bbdefb;
    border-color: #0d47a1;
    transform: scale(1.02);
}

.drop-zone-icon {
    font-size: 64px;
    color: #1976d2;
    margin-bottom: 16px;
}

.drop-zone-text {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.drop-zone-subtext {
    font-size: 14px;
    color: #666;
}

.file-input {
    display: none;
}

.file-info {
    margin-top: 24px;
    padding: 16px;
    background-color: #e8f5e9;
    border-radius: 4px;
    display: none;
}

.file-info.show {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-details {
    display: flex;
    align-items: center;
}

.file-details .material-icons {
    margin-right: 12px;
    color: #4caf50;
}

.file-name {
    font-weight: 500;
    color: #333;
}

.file-size {
    font-size: 12px;
    color: #666;
    margin-left: 12px;
}

.file-result {
    font-size: 14px;
    color: #666;
}

.mdc-button {
    margin-top: 24px;
    width: 100%;
}

.result-container {
    margin-top: 24px;
    display: none;
}

.result-container.show {
    display: block;
}

.error-message {
    background-color: #ffebee;
    padding: 16px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    color: #c62828;
}

.error-message .material-icons {
    margin-right: 12px;
    font-size: 32px;
}

.dbf-files-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dbf-file-item {
    width: 100%;
}

.download-file-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: #1976d2;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    width: 100%;
}

.download-file-button:hover {
    background-color: #1565c0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transform: translateY(-2px);
}

.download-file-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.download-file-button .material-icons {
    font-size: 20px;
}

.download-file-button .file-label {
    font-weight: 500;
    flex: 1;
    text-align: left;
}

.download-file-button .file-size-label {
    font-size: 12px;
    opacity: 0.9;
    margin-left: auto;
}