/* =========================================================
   DOCUMENT / PDF OPERATION UI — SHARED EASYFILE VISUAL LANGUAGE

   Aligned with Audio/Image V1:
   - green section titles
   - light-violet parameter cards
   - green hover feedback
   - violet active choices
   - common focus + disabled/locked behaviour
========================================================= */

.pdf-operation-settings {
    width: 100%;
}

.pdf-setting-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;
}

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

.pdf-setting-title {
    margin-bottom: 6px;
    color: var(--green-text);
    font-size: 17px;
    font-weight: 750;
}

.pdf-setting-help {
    margin-bottom: 12px;
    color: #6b7280;
    font-size: 13px;
    line-height: 1.45;
}

.pdf-setting-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.pdf-setting-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.pdf-operation-settings select,
.pdf-operation-settings input[type="text"],
.pdf-operation-settings input[type="number"] {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 11px;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 9px;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

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

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

.pdf-choice-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
}

.pdf-choice-btn {
    min-height: 66px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 4px;
    padding: 11px 13px;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    cursor: pointer;

    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease,
        opacity 0.2s ease;
}

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

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

.pdf-choice-btn span {
    font-size: 12px;
    color: #6b7280;
}

.pdf-choice-btn.active span {
    color: inherit;
}

.pdf-operation-info {
    margin-bottom: 18px;
    padding: 12px 14px;
    background: #f5f3ff;
    border: 1px solid #ddd6fe;
    border-radius: 10px;
    color: var(--violet);
    font-size: 13px;
}

.pdf-operation-warning {
    margin-bottom: 18px;
    padding: 12px 14px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 10px;
    color: #9a3412;
    font-size: 13px;
}

.pdf-validation {
    padding: 12px 14px;
    background: #f3f4f6;
    border-radius: 10px;
    color: #6b7280;
    font-weight: 600;
}

.pdf-validation.valid {
    background: var(--green-hover);
    color: var(--green-text);
}

.pdf-validation.error {
    background: #fee2e2;
    color: #991b1b;
}

/* Legacy result containers remain styled for pages that still expose them,
   while generic result rendering is handled by operation-ui-components.css. */
.pdf-result-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 18px;
    padding: 14px;
    background: var(--submenu-bg);
    border: 1px solid #ddd6fe;
    border-radius: 11px;
}

.pdf-result-box.hidden {
    display: none;
}

.pdf-result-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pdf-result-info span {
    color: #6b7280;
    font-size: 13px;
}

.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    border: 0;
    border-radius: 9px;
    background: var(--violet);
    color: #fff;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.pdf-download-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgba(91, 33, 182, 0.22);
}

.pdf-results-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 15px;
}

.pdf-result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 10px 12px;
    background: #fff;
    border: 1px solid #ddd6fe;
    border-radius: 9px;
}

.pdf-result-row-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.pdf-result-row-info span {
    color: #6b7280;
    font-size: 12px;
}

/* Freeze hover motion when the generic controller locks settings. */
.operation-parameters-fieldset:disabled .pdf-setting-section:hover,
body.operation-interaction-locked .pdf-setting-section:hover {
    background: var(--submenu-bg);
    border-color: #ddd6fe;
    box-shadow: none;
    transform: none;
}

@media (max-width: 700px) {
    .pdf-setting-grid {
        grid-template-columns: 1fr;
    }

    .pdf-setting-header,
    .pdf-result-box,
    .pdf-result-row {
        align-items: stretch;
        flex-direction: column;
    }
}


/* V1.2 — generic range alignment */
.pdf-setting-grid-single {
    grid-template-columns: 1fr;
}

.pdf-range-row {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
}

.pdf-range-row .eft-range {
    flex: 1 1 auto;
    min-width: 0;
}

.pdf-range-row strong {
    flex: 0 0 54px;
    text-align: right;
    color: var(--green-text);
}

/* Merge PDF uses the same generic BATCH result card as Image to PDF. */
.pdf-result-box.eft-result-card {
    background: var(--green-hover);
    border-color: var(--green-text);
}

.pdf-result-box.eft-result-card .pdf-result-info strong {
    color: var(--green-text);
    font-weight: 800;
}

.pdf-result-box.eft-result-card .pdf-result-info span {
    color: #4b5563;
    font-weight: 650;
}