.psb-box {
    background: #ffffff;
    border: 1px solid #ddd;
    padding: 20px;
    max-width: 520px;
    margin: 20px auto;
    color: #222;
    font-family: sans-serif;
}

.psb-box h2 {
    margin-bottom: 16px;
    color: #111;
}

.psb-box label {
    display: block;
    margin-top: 12px;
    font-weight: 600;
    color: #333;
}

.psb-box span {
    color: red;
}

.psb-box input,
.psb-box select,
.psb-box textarea {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.psb-box textarea {
    min-height: 80px;
}

.psb-box button {
    margin-top: 18px;
    padding: 10px;
    width: 100%;
    background: #111;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.psb-box button:hover {
    background: #333;
}

#psb-response {
    margin-top: 12px;
    font-weight: 600;
}

/* ===== Popup styles ===== */

#psb-popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
}

#psb-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    width: 95%;
    max-width: 480px;
    padding: 24px;
    border-radius: 14px;
    z-index: 9999;
}

.psb-close {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
}