.rpgen-container {
    background: #fff;
    border: 1px solid #ececec;
    border-radius: 14px;
    padding: 32px 24px 24px 24px;
    max-width: 400px;
    margin: 32px auto;
    box-shadow: 0 2px 8px rgba(100,100,100,0.06);
    font-family: 'Segoe UI', Arial, sans-serif;
}

.rpgen-title {
    font-size: 1.5em;
    margin-bottom: 18px;
    font-weight: 700;
    color: #34353a;
    text-align: center;
}

.rpgen-options label {
    display: block;
    margin: 8px 0;
    font-size: 1em;
    cursor: pointer;
}

#rpgen-custom-symbols {
    width: 140px;
    margin-left: 8px;
    font-size: 1em;
}

.rpgen-btn {
    display: block;
    width: 100%;
    background: #e43b2d;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    margin-top: 16px;
    transition: background 0.2s;
}
.rpgen-btn:hover, .rpgen-btn:focus {
    background: #bb2d21;
}

.rpgen-output-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 18px 0 6px 0;
}
#rpgen-output {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 7px;
    font-size: 1.1em;
    background: #f7f7f7;
    letter-spacing: 1.2px;
}
.rpgen-btn-small {
    background: #5a5a5a;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 8px 13px;
    font-size: 0.98em;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}
.rpgen-btn-small:hover, .rpgen-btn-small:focus {
    background: #34353a;
}
.rpgen-tip {
    font-size: 0.92em;
    margin-top: 8px;
    color: #888;
    text-align: center;
}
.rpgen-strength-bar {
    font-weight: bold;
    letter-spacing: 1px;
    color: #e43b2d;
}