.sms-form-wrapper {
    max-width: 950px;
    margin: 30px auto;
    padding: 15px;
}

.sms-form-card {
    background: #ffffff;
    border-radius: 14px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border: 1px solid #eeeeee;
}

.sms-form-card h2 {
    margin: 0 0 8px;
    font-size: 28px;
}

.sms-form-subtitle {
    margin-bottom: 25px;
    color: #666;
}

.sms-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.sms-field {
    margin-bottom: 18px;
}

.sms-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 7px;
}

.sms-field label span {
    color: #dc2626;
}

.sms-field input,
.sms-field select,
.sms-field textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    background: #fff;
    box-sizing: border-box;
}

.sms-field input:focus,
.sms-field select:focus,
.sms-field textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.15);
}

.sms-submit-btn {
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

.sms-submit-btn:hover {
    background: #1d4ed8;
}

.sms-alert {
    background: #fee2e2;
    color: #991b1b;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.sms-hidden {
    display: none;
}

@media (max-width: 768px) {
    .sms-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .sms-form-card {
        padding: 22px;
    }
}