body {
    background: #f5f6f8;
    font-family: 'Segoe UI', sans-serif;
}

.campaign-container {
    max-width: 720px;
    margin: 40px auto;
    background: #ffffff;
    padding: 30px 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h2 {
    margin-bottom: 25px;
    font-weight: 600;
}

.section-title {
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: #555;
}

input[type="text"],
input[type="file"],
select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #dcdcdc;
    font-size: 14px;
}

.variable-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.variable-row span {
    font-weight: 600;
    min-width: 40px;
}

.btn {
    padding: 10px 16px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    cursor: pointer;
}

.btn-primary {
    background: #25d366;
    color: #fff;
}

.btn-outline {
    background: #fff;
    border: 1px dashed #25d366;
    color: #25d366;
}

.btn-send {
    width: 100%;
    margin-top: 30px;
    font-size: 16px;
}

.help-text {
    font-size: 12px;
    color: #777;
}
.preview-box {
    width: 340px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f0f2f5;
    padding: 10px;
}

.preview-header {
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.wa-dot {
    width: 10px;
    height: 10px;
    background: #25d366;
    border-radius: 50%;
}

.preview-phone {
    background: #e5ddd5;
    padding: 10px;
    border-radius: 6px;
}

.preview-bubble {
    background: #dcf8c6;
    border-radius: 8px;
    padding: 8px;
    font-size: 14px;
}

.pv-header {
    font-weight: 600;
    margin-bottom: 6px;
}

.pv-body {
    white-space: pre-wrap;
}

.pv-footer {
    font-size: 11px;
    color: #555;
    margin-top: 4px;
}

.pv-buttons {
    margin-top: 6px;
}

.pv-btn {
    background: #fff;
    border: 1px solid #ddd;
    padding: 6px;
    margin-top: 4px;
    text-align: center;
    border-radius: 4px;
    font-size: 13px;
}

.hidden {
    display: none;
}