/* =========================================================
   IMAGE OPERATION UI — SHARED VISUAL LANGUAGE

   Mirrors the mature Audio operation cards:
   - green section titles
   - light-violet parameter cards
   - green hover feedback
   - consistent active choices and form focus states
========================================================= */

.convert-image-settings,
.compress-image-settings,
.image-to-pdf-settings,
.remove-background-settings,
.image-transform-settings {
    width: 100%;
}

.image-setting-section,
.compress-setting-section,
.pdf-setting-section,
.background-setting-section,
.image-transform-section {
    position: relative;
    margin-bottom: 22px;
    padding: 18px;

    background: var(--submenu-bg);
    border: 1px solid #ddd6fe;
    border-radius: 14px;

    transition:
        background-color 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease,
        transform 0.25s ease;
}

.image-setting-section:hover,
.compress-setting-section:hover,
.pdf-setting-section:hover,
.background-setting-section:hover,
.image-transform-section:hover {
    background: #f0fdf4;
    border-color: #86efac;
    box-shadow: 0 5px 18px rgba(4, 120, 87, 0.08);
    transform: translateY(-1px);
}

.image-setting-title,
.compress-setting-title,
.pdf-setting-title,
.background-setting-title,
.image-transform-title {
    color: var(--green-text);
    font-size: 17px;
    font-weight: 750;
}

.image-setting-help,
.compress-setting-help,
.pdf-setting-help,
.background-setting-help,
.image-transform-help {
    color: #6b7280;
    line-height: 1.45;
}

/* Choice buttons */
.image-format-btn,
.compression-preset-btn,
.pdf-choice-btn,
.background-mode-btn,
.background-format-btn,
.image-transform-choice {
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease,
        opacity 0.2s ease;
}

.image-format-btn:not(:disabled):hover,
.compression-preset-btn:not(:disabled):hover,
.pdf-choice-btn:not(:disabled):hover,
.background-mode-btn:not(:disabled):hover,
.background-format-btn:not(:disabled):hover,
.image-transform-choice:not(:disabled):hover {
    background: var(--green-hover);
    border-color: #86efac;
    transform: translateY(-1px);
}

.image-format-btn.active,
.compression-preset-btn.active,
.pdf-choice-btn.active,
.background-mode-btn.active,
.background-format-btn.active,
.image-transform-choice.active {
    background: var(--violet-light);
    color: var(--violet);
    border-color: var(--violet);
    box-shadow: 0 0 0 2px rgba(91, 33, 182, 0.10);
}

/* Text / number / select controls */
.operation-parameters-content select,
.operation-parameters-content input[type="text"],
.operation-parameters-content input[type="number"] {
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.operation-parameters-content select:hover:not(:disabled),
.operation-parameters-content input[type="text"]:hover:not(:disabled),
.operation-parameters-content input[type="number"]:hover:not(:disabled) {
    border-color: #86efac;
}

.operation-parameters-content select:focus,
.operation-parameters-content input[type="text"]:focus,
.operation-parameters-content input[type="number"]:focus {
    outline: none;
    border-color: var(--green-text);
    box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.10);
}

/* The processing/empty fieldset lock must also freeze hover motion. */
.operation-parameters-fieldset:disabled .image-setting-section:hover,
.operation-parameters-fieldset:disabled .compress-setting-section:hover,
.operation-parameters-fieldset:disabled .pdf-setting-section:hover,
.operation-parameters-fieldset:disabled .background-setting-section:hover,
.operation-parameters-fieldset:disabled .image-transform-section:hover {
    background: var(--submenu-bg);
    border-color: #ddd6fe;
    box-shadow: none;
    transform: none;
}

/* Clear All is visually locked as well as click-guarded while processing. */
body.operation-interaction-locked .category-clear-all-btn,
.category-clear-all-btn:disabled {
    background: gray !important;
    color: #ffffff !important;
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

body.operation-interaction-locked .category-clear-all-btn::before,
.category-clear-all-btn:disabled::before {
    animation: none !important;
}