.rev-tool-container {
    max-width: 850px;
    margin: 20px auto 40px;
    padding: 15px 20px 40px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.rev-tool-title {
    text-align: center;
    margin-bottom: 15px;
    margin-top: 0;
}

#rev-settings-panel {
    border-radius: 8px;
    margin-bottom: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
}

#rev-settings-panel.rev-settings-open {
    max-height: 300px;
    /* A value large enough to show all content */
    opacity: 1;
    margin-bottom: 25px;
}

.rev-settings-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 250px;
    margin: 0 auto;
    padding: 10px 0;
}

.rev-setting-item label {
    display: block;
    margin-bottom: 5px;
}

.rev-checkbox-label {
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.rev-checkbox-label input[type="checkbox"] {
    margin: 0;
    margin-right: 6px;
    width: 1.1em;
    height: 1.1em;
    vertical-align: middle;
    flex-shrink: 0;
}

.rev-checkbox-label span {
    vertical-align: middle;
}

.rev-io-wrapper {
    display: flex;
    flex-direction: row;
    gap: 20px;
}

.rev-input-wrapper,
.rev-output-wrapper {
    flex: 1;
}

.rev-input,
.rev-output {
    width: 100%;
    height: 220px;
    padding: 10px;
    border: 1px solid #bbb;
    border-radius: 6px;
    font-size: 15px;
    resize: vertical;
}

/* --- Override Theme Styles for Inputs & Selects --- */
.rev-tool-container input[type="text"],
.rev-tool-container input[type="number"],
.rev-tool-container select,
.rev-tool-container textarea {
    background-color: #fff;
    border-radius: 6px;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.rev-tool-container input[type="text"]:focus,
.rev-tool-container input[type="number"]:focus,
.rev-tool-container select:focus,
.rev-tool-container textarea:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.8px rgba(0, 123, 255, .25);
    outline: none;
    background-color: #fff;
}

.rev-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 25px;
}

.rev-button-group {
    display: inline-flex;
    gap: 10px;
}

.rev-btn {
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    background: #1371d6;
    color: white;
    font-size: 15px;
    cursor: pointer;
    transition: transform 0.1s ease;
}


/* --- Override Theme Styles for Buttons --- */
.rev-btn:hover,
.rev-btn:focus {
    background: #1371d6;
    color: white;
    outline: none;
    box-shadow: none;
}

.rev-btn:active {
    transform: scale(0.97);
}

.rev-btn:disabled {
    background-color: #f0f0f0;
    color: #4c4c4c;
    cursor: not-allowed;
}

.rev-btn:disabled:hover,
.rev-btn:disabled:focus,
.rev-btn:disabled:active {
    background-color: #f0f0f0;
    color: #4c4c4c;
    box-shadow: none;
    transform: none;
}

.rev-setting-item label {
    font-size: 16px;
}

#rev-case,
#rev-process-mode,
#rev-action-select {
    padding: 5px;
    border-radius: 6px;
    font-size: 15px;
    border: 1px solid #bbb;
    height: 39px;
    /* Custom arrow styling */
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 20 20' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 8L10 12L14 8' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 5px center;
    background-size: 20px;
    padding-right: 30px;
}

#rev-case,
#rev-process-mode {
    width: 100%;
}

#rev-action-select {
    width: auto;
}

.rev-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 39px;
    width: 35px;
    padding: 7px;
}

.rev-svg-icon {
    width: 100%;
    height: 100%;
}

.rev-io-title {
    margin-bottom: 8px;
    margin-top: 0;
    font-size: 18px;
}

.faq-list {
    margin-top: 1rem;
}

.faq-list dt {
    font-weight: 500;
    font-size: 1.1em;
}

.faq-list dd {
    margin-left: 0;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    padding-bottom: 10px;
    border-bottom: 1px dashed #ddd;
}

/* Mobile Styles */
@media (max-width: 767px) {

    #rev-case,
    #rev-process-mode {
        width: 100%;
    }

    .rev-button-group {
        flex-basis: 100%;
        justify-content: center;
    }

    .rev-io-wrapper {
        flex-direction: column;
        gap: 15px;
    }

    .rev-input,
    .rev-output {
        height: 160px;
    }

    .rev-tool-container {
        box-shadow: none;
        border-radius: 0;
        border-top: 1px solid #ddd;
        border-bottom: 1px solid #ddd;
        margin: 20px 0 40px 0;
        padding: 10px 0 40px 0;
    }

    .rev-options {
        margin-bottom: 10px;
    }

    #rev-case,
    #rev-process-mode,
    #rev-action-select {
        height: 39px;
    }
}