.osvita-newsletter-container {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 20px 0;
    font-family: inherit;
}

.osvita-newsletter-container.osvita-style-transparent {
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.osvita-newsletter-container.osvita-style-transparent h3 {
    color: #fff;
}

.osvita-newsletter-container.osvita-style-transparent p {
    color: #ddd;
}

.osvita-newsletter-container h3 {
    margin-top: 0;
    color: #333;
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.osvita-newsletter-container p {
    color: #666;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.osvita-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.osvita-form-group {
    display: flex;
    gap: 10px;
    align-items: flex-start; /* Align to top so button doesn't stretch if error message appears */
}

.osvita-form-control-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.osvita-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box; /* Ensure padding doesn't affect width */
}

.osvita-input:focus {
    border-color: #0073aa;
    outline: none;
}

.osvita-input.osvita-not-valid {
    border-color: #dc3232; /* Red border for error */
}

.osvita-not-valid-tip {
    color: #dc3232;
    font-size: 0.85rem; /* Smaller font for error */
    margin-top: 5px;
    display: block;
}

.osvita-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 10px 20px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
    /* Ensure button height matches input height roughly */
    height: 42px; /* Approx height of input with padding */
    line-height: 1.2;
    text-decoration: none;
    user-select: none;
    white-space: nowrap;
}

.osvita-btn:hover {
    background-color: #005177;
}

/* Transparent style button override */
.osvita-style-transparent .osvita-btn {
    background-color: #f6ad55; /* sunny color from theme footer */
    color: #000;
}
.osvita-style-transparent .osvita-btn:hover {
    background-color: #ed8936;
}

.osvita-response-output {
    margin-top: 10px;
    padding: 10px;
    border: 2px solid transparent;
    font-size: 0.9rem;
    color: #333;
}

.osvita-style-transparent .osvita-response-output {
    color: #fff;
}

.osvita-response-output.osvita-validation-errors {
    border-color: #ffb900; /* Yellow/Orange for validation errors */
    background-color: rgba(255, 185, 0, 0.1);
}

.osvita-response-output.osvita-mail-sent-ok {
    border-color: #46b450; /* Green for success */
    color: #46b450;
    background-color: rgba(70, 180, 80, 0.1);
}

.osvita-response-output.osvita-mail-sent-ng {
    border-color: #dc3232; /* Red for server error */
    color: #dc3232;
    background-color: rgba(220, 50, 50, 0.1);
}