/* Login Screen Styles */
#login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--light-bg);
    padding: 20px;
}

.login-container {
    background-color: var(--light-card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 24px var(--shadow-color);
    width: 100%;
    max-width: 500px;
    padding: 32px;
    margin: 20px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px var(--shadow-color);
}

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

.login-header .nta-logo {
    max-width: 120px;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-color);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.file-upload-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 5px;
}

.custom-file-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.custom-file-upload:hover {
    background-color: var(--primary-color);
    color: white;
}

#file-name-display {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.photo-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
}

.photo-container {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 12px;
    border: 2px solid var(--border-color);
}

.photo-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-container .photo-icon {
    font-size: 64px;
    color: var(--text-secondary);
}

.upload-btn {
    color: var(--primary-color);
    background-color: var(--primary-light);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.upload-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.login-form .primary-btn {
    margin-top: 16px;
    width: 100%;
}

/* Responsive adjustments */
@media screen and (max-width: 576px) {
    .login-container {
        padding: 24px;
    }

    .photo-container {
        width: 100px;
        height: 100px;
    }
}