/* Theme Variables */
:root {
    /* Regular Theme (Default) */
    --bg-color: #f0f0f0;
    --panel-bg: #ffffff;
    --border-color: #333333;
    --button-bg: #e0e0e0;
    --button-hover: #d0d0d0;
    --accent-1: #4a90e2;
    --accent-2: #5da8ff;
    --accent-3: #50c878;
    --delete-color: #e24a4a;
    --text-color: #000000;
    --input-bg: #ffffff;
    --input-text: #000000;
    --list-even: #f8f8f8;
    --tab-inactive-bg: #e0e0e0;
    --tab-active-bg: #4a90e2;
    --tab-hover-bg: #c0c0c0;
    --scrollbar-track: #333333;
    --scrollbar-thumb: #4a90e2;
    --scrollbar-thumb-hover: #5da8ff;
    --info-bg: #ffffff;
    --info-title-bg: #4a90e2;
    --info-title-text: #ffffff;
    --result-bg: #fafafa;
    --result-border: #e0e0e0;
    --success-color: #28a745;
}

.theme-high-contrast {
    --bg-color: #ffffff;
    --panel-bg: #ffffff;
    --border-color: #000000;
    --button-bg: #ffffff;
    --button-hover: #000000;
    --accent-1: #000000;
    --accent-2: #333333;
    --accent-3: #000000;
    --delete-color: #000000;
    --text-color: #000000;
    --input-bg: #ffffff;
    --input-text: #000000;
    --list-even: #f0f0f0;
    --tab-inactive-bg: #d0d0d0;
    --tab-active-bg: #000000;
    --tab-hover-bg: #aaaaaa;
    --scrollbar-track: #ffffff;
    --scrollbar-thumb: #000000;
    --scrollbar-thumb-hover: #333333;
    --info-bg: #ffffff;
    --info-title-bg: #000000;
    --info-title-text: #ffffff;
    --result-bg: #ffffff;
    --result-border: #000000;
    --success-color: #000000;
}

.theme-dark {
    --bg-color: #1a1a1a;
    --panel-bg: #2d2d2d;
    --border-color: #404040;
    --button-bg: #404040;
    --button-hover: #505050;
    --accent-1: #4a90e2;
    --accent-2: #5da8ff;
    --accent-3: #50c878;
    --delete-color: #ff6b6b;
    --text-color: #ffffff;
    --input-bg: #404040;
    --input-text: #ffffff;
    --list-even: #363636;
    --tab-inactive-bg: #404040;
    --tab-active-bg: #4a90e2;
    --tab-hover-bg: #505050;
    --scrollbar-track: #404040;
    --scrollbar-thumb: #4a90e2;
    --scrollbar-thumb-hover: #5da8ff;
    --info-bg: #2d2d2d;
    --info-title-bg: #4a90e2;
    --info-title-text: #ffffff;
    --result-bg: #383838;
    --result-border: #505050;
    --success-color: #50c878;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Times New Roman', Times, serif;
    background-color: var(--bg-color);
    padding: 20px;
    color: var(--text-color);
    transition: all 0.3s ease;
    min-height: 100vh;
    position: relative;
}

/* Corner Buttons */
.corner-btn {
    position: absolute;
    padding: 8px 16px;
    background-color: var(--accent-1);
    color: white;
    text-decoration: none;
    border: 2px solid var(--border-color);
    font-family: 'Times New Roman', Times, serif;
    font-size: 14px;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.2s ease;
    border-radius: 0;
}

.corner-btn:hover {
    background-color: var(--accent-2);
}

.return-btn {
    top: 20px;
    left: 20px;
}

.theme-btn {
    top: 20px;
    right: 20px;
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 55px auto 20px;
    background-color: var(--panel-bg);
    border: 2px solid var(--border-color);
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.title-bar {
    background-color: var(--accent-1);
    color: white;
    padding: 12px 20px;
    font-weight: bold;
    font-size: 18px;
    border-bottom: 2px solid var(--border-color);
    text-align: left;
    flex-shrink: 0;
}

/* Template Content Styles */
.template-content {
    padding: 30px;
    min-height: 500px;
    flex-grow: 1;
}

.template-content h2 {
    color: var(--accent-1);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-1);
}

.template-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.template-features {
    margin-top: 25px;
    padding: 15px;
    background-color: var(--list-even);
    border-left: 4px solid var(--accent-1);
}

.template-features h3 {
    margin-bottom: 10px;
    color: var(--accent-2);
}

.template-features ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.template-features li {
    margin-bottom: 8px;
    line-height: 1.5;
}

/* Info Section */
.info-section {
    width: 900px;
    height: 350px;
    margin: 20px auto 20px;
    border: 2px solid var(--border-color);
    background-color: var(--info-bg);
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.info-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    background-color: var(--list-even);
    flex-shrink: 0;
}

.info-tab-btn {
    flex: 1;
    padding: 12px 20px;
    background-color: var(--tab-inactive-bg);
    border: none;
    cursor: pointer;
    font-family: 'Times New Roman', Times, serif;
    font-size: 15px;
    font-weight: bold;
    color: var(--text-color);
    transition: all 0.2s ease;
    border-right: 1px solid var(--border-color);
    border-radius: 0;
}

.info-tab-btn:last-child {
    border-right: none;
}

.info-tab-btn:hover {
    background-color: var(--tab-hover-bg);
}

.info-tab-btn.active {
    background-color: var(--tab-active-bg);
    color: white;
}

.info-tab-content {
    display: none;
    padding: 20px;
    flex: 1;
    overflow: hidden;
}

.info-tab-content.active {
    display: block;
}

.info-content-scroll {
    height: 100%;
    overflow-y: auto;
    padding-right: 10px;
}

/* Scrollbar styling */
.info-content-scroll::-webkit-scrollbar {
    width: 8px;
}

.info-content-scroll::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    opacity: 0.3;
}

.info-content-scroll::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border: 1px solid var(--border-color);
}

.info-content-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

.info-content-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.info-content-scroll h4 {
    margin: 16px 0 8px 0;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    color: var(--accent-1);
    font-size: 16px;
}

.info-content-scroll h4:first-of-type {
    margin-top: 0;
}

.info-content-scroll p {
    margin-bottom: 12px;
    line-height: 1.5;
    font-size: 13px;
    color: var(--text-color);
}

.info-content-scroll ul {
    margin: 8px 0 12px 25px;
    line-height: 1.5;
    font-size: 13px;
    color: var(--text-color);
}

.info-content-scroll li {
    margin-bottom: 4px;
}

.info-content-scroll strong {
    color: var(--accent-1);
}

.info-content-scroll a {
    color: var(--accent-1);
    text-decoration: none;
    font-size: 13px;
}

.info-content-scroll a:hover {
    text-decoration: underline;
}

/* Footer */
.footer-container {
    max-width: 1200px;
    margin: 20px auto 0;
    text-align: center;
    padding: 12px;
}

.copyright-footer {
    margin-bottom: 8px;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 14px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--accent-1);
    text-decoration: none;
    font-size: 13px;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Button Styles */
button {
    padding: 8px 12px;
    background: var(--button-bg);
    border: 2px solid var(--border-color);
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    color: var(--text-color);
    transition: all 0.2s ease;
    border-radius: 0;
}

button:hover {
    background: var(--button-hover);
}

button:active {
    transform: translate(1px, 1px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-container {
        max-width: 95%;
    }

    .info-section {
        width: 95%;
        max-width: 900px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .corner-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .return-btn {
        top: 10px;
        left: 10px;
    }

    .theme-btn {
        top: 10px;
        right: 10px;
    }

    .main-container {
        margin-top: 50px;
        max-width: 100%;
    }

    .template-content {
        padding: 15px;
        min-height: 350px;
    }

    .info-section {
        width: 100%;
        height: 350px;
        max-width: 100%;
    }

    .info-tabs {
        flex-direction: column;
    }

    .info-tab-btn {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .info-tab-btn:last-child {
        border-bottom: none;
    }
}

@media (max-width: 480px) {
    .title-bar {
        font-size: 16px;
        padding: 10px;
    }

    .template-content {
        padding: 15px;
        min-height: 300px;
    }

    .footer-links {
        flex-direction: column;
        gap: 8px;
    }

    .info-tab-btn {
        padding: 10px;
        font-size: 13px;
    }

    .info-section {
        height: 400px;
    }
}

/* =====================================================================
   PDF Redactor
   ===================================================================== */
/* Limit the height of the main container; the viewer and the options
   column each fill it and scroll on their own. */
.main-container {
    height: min(860px, calc(100vh - 120px));
    min-height: 560px;
}

.redactor-app {
    padding: 15px;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.app-layout {
    display: flex;
    gap: 15px;
    align-items: stretch;
    flex: 1;
    min-height: 0;
}

.viewer-col {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.side-col {
    width: 340px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    overflow-y: auto;
    padding-right: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.side-col::-webkit-scrollbar {
    width: 8px;
}

.side-col::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

.side-col::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border: 1px solid var(--border-color);
}

.side-col::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

.side-col .panel {
    flex-shrink: 0;
}

/* Inert (disabled until a file is open) */
[inert] {
    opacity: 0.5;
}

/* Toolbar */
.viewer-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-bottom: none;
    background-color: var(--list-even);
}

.viewer-toolbar button {
    padding: 6px 10px;
    font-size: 13px;
}

.viewer-toolbar .tool-btn.active,
.viewer-toolbar button[aria-pressed="true"] {
    background: var(--accent-1);
    color: #ffffff;
}

.toolbar-sep {
    width: 1px;
    align-self: stretch;
    background-color: var(--border-color);
    opacity: 0.5;
    margin: 0 2px;
}

.page-indicator {
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.page-indicator input {
    width: 56px;
    padding: 5px;
    text-align: center;
    border: 2px solid var(--border-color);
    background: var(--input-bg);
    color: var(--input-text);
    font-family: inherit;
    font-size: 14px;
    border-radius: 0;
}

/* Viewer */
.viewer-scroll {
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: 16px;
    border: 2px solid var(--border-color);
    background-color: var(--result-bg);
    position: relative;
}

.viewer-scroll.dragover {
    outline: 3px dashed var(--accent-1);
    outline-offset: -8px;
}

.drop-zone {
    height: 100%;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    border: 2px dashed var(--border-color);
    padding: 20px;
}

.drop-icon {
    font-size: 48px;
    color: var(--accent-1);
}

.drop-title {
    font-size: 20px;
    font-weight: bold;
}

.drop-sub {
    font-size: 14px;
    opacity: 0.8;
}

.page-wrap {
    position: relative;
    margin: 0 auto;
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.page-wrap[hidden],
.drop-zone[hidden] {
    display: none;
}

.page-wrap canvas {
    display: block;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    touch-action: none;
    cursor: crosshair;
    user-select: none;
    -webkit-user-select: none;
}

.overlay.tool-select {
    cursor: default;
    touch-action: auto;
}

.overlay.is-preview {
    cursor: default;
    touch-action: auto;
}

/* Redaction boxes */
.rbox {
    position: absolute;
    box-sizing: border-box;
    cursor: move;
}

.rbox.pending {
    background-color: rgba(226, 74, 74, 0.28);
    border: 2px dashed var(--delete-color);
}

.theme-high-contrast .rbox.pending {
    background-color: rgba(0, 0, 0, 0.2);
    border-color: #000000;
}

.rbox.applied {
    outline: 1px solid rgba(120, 120, 120, 0.8);
    cursor: pointer;
}

.rbox.drawing {
    cursor: crosshair;
}

.rbox.selected {
    box-shadow: 0 0 0 2px var(--accent-1);
}

.overlay.is-preview .rbox {
    cursor: default;
    outline: none;
}

.rhandle {
    position: absolute;
    width: 14px;
    height: 14px;
    background-color: var(--accent-1);
    border: 2px solid #ffffff;
    box-sizing: border-box;
    z-index: 2;
}

.rhandle[data-h="nw"] { left: -8px; top: -8px; cursor: nwse-resize; }
.rhandle[data-h="ne"] { right: -8px; top: -8px; cursor: nesw-resize; }
.rhandle[data-h="sw"] { left: -8px; bottom: -8px; cursor: nesw-resize; }
.rhandle[data-h="se"] { right: -8px; bottom: -8px; cursor: nwse-resize; }

/* Status bar */
.status-bar {
    border: 2px solid var(--border-color);
    border-top: none;
    padding: 6px 10px;
    font-size: 13px;
    min-height: 30px;
    background-color: var(--list-even);
}

.status-bar[data-kind="error"] {
    color: var(--delete-color);
    font-weight: bold;
}

.status-bar[data-kind="ok"] {
    color: var(--success-color);
    font-weight: bold;
}

/* Side panels */
.panel {
    border: 2px solid var(--border-color);
    background-color: var(--panel-bg);
}

.panel h3 {
    background-color: var(--info-title-bg);
    color: var(--info-title-text);
    padding: 6px 10px;
    font-size: 15px;
}

.panel-body {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
}

.panel .small {
    font-size: 12px;
    line-height: 1.4;
    opacity: 0.85;
}

.panel .label {
    font-size: 13px;
    font-weight: bold;
}

.panel input[type="text"],
.panel select {
    width: 100%;
    padding: 7px;
    border: 2px solid var(--border-color);
    background: var(--input-bg);
    color: var(--input-text);
    font-family: inherit;
    font-size: 14px;
    border-radius: 0;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.btn-row button {
    flex: 1;
}

button.full {
    width: 100%;
}

button.big {
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
}

.btn-primary {
    background: var(--accent-1);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-2);
}

.theme-high-contrast .btn-primary:hover {
    background: var(--accent-2);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
}

.check input {
    cursor: pointer;
}

.check-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 10px;
}

.radio-row {
    gap: 16px;
}

.radio-row .check {
    flex: none;
}

.summary {
    font-size: 14px;
}

.box-list,
.match-list {
    max-height: 190px;
    overflow-y: auto;
    border: 2px solid var(--result-border);
    background-color: var(--result-bg);
    font-size: 13px;
}

.box-list:empty {
    display: none;
}

.box-row,
.match-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-bottom: 1px solid var(--result-border);
}

.box-row:nth-child(even),
.match-row:nth-child(even) {
    background-color: var(--list-even);
}

.box-row .row-main {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: none;
    border: none;
    padding: 2px;
    text-align: left;
    font-size: 13px;
    cursor: pointer;
}

.box-row .row-main:hover {
    text-decoration: underline;
    background: none;
}

.box-row.is-selected {
    outline: 2px solid var(--accent-1);
    outline-offset: -2px;
}

.box-row .row-del {
    padding: 0 6px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--delete-color);
}

.row-tag {
    flex-shrink: 0;
    padding: 0 5px;
    font-size: 11px;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--accent-1);
}

.match-row label {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.match-row .match-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.match-row .match-page {
    flex-shrink: 0;
    opacity: 0.7;
    font-size: 12px;
}

.list-more {
    padding: 4px 6px;
    font-size: 12px;
    opacity: 0.8;
}

.export-result {
    padding: 8px 10px;
    font-size: 13px;
    line-height: 1.5;
    background-color: var(--result-bg);
    border: 2px solid var(--result-border);
}

.export-result[hidden],
.match-list[hidden],
.btn-row[hidden],
button[hidden] {
    display: none;
}

.export-result.ok {
    border-left: 6px solid var(--success-color);
}

.export-result.warn {
    border-left: 6px solid var(--delete-color);
}

.export-result .result-title {
    font-weight: bold;
    margin-bottom: 4px;
}

.export-result ul {
    margin-left: 18px;
}

/* Stacked pages of the selected files */
.doc-stack {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.doc-stack[hidden],
.empty-note[hidden] {
    display: none;
}

.doc-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.doc-head {
    position: sticky;
    top: -16px;
    z-index: 3;
    margin: 0 -16px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--accent-1);
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.page-cap {
    font-size: 12px;
    opacity: 0.75;
}

.empty-note {
    height: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    border: 2px dashed var(--border-color);
}

.cur-name {
    flex: 1;
    min-width: 0;
    max-width: 200px;
    font-size: 12px;
    opacity: 0.8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-tag {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.match-row .match-page {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.export-result .result-file {
    margin: 8px 0;
    padding: 6px 8px;
    border: 1px solid var(--result-border);
    border-left: 4px solid var(--success-color);
}

.export-result .result-file.warn {
    border-left-color: var(--delete-color);
}

/* File library, between the tool and the info box */
.library-section {
    max-width: 1200px;
    margin: 20px auto;
    border: 2px solid var(--border-color);
    background-color: var(--panel-bg);
    display: flex;
    flex-direction: column;
}

.library-section.dragover {
    outline: 3px dashed var(--accent-1);
    outline-offset: -8px;
}

.lib-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 14px;
    padding: 10px 15px;
    background-color: var(--accent-1);
    color: #ffffff;
    border-bottom: 2px solid var(--border-color);
}

.lib-title {
    font-weight: bold;
    font-size: 18px;
}

.lib-count {
    margin-left: 8px;
    font-size: 13px;
    font-weight: normal;
    opacity: 0.9;
}

.lib-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.lib-tools button {
    padding: 6px 10px;
    font-size: 13px;
}

.lib-grid {
    height: 330px;
    overflow-y: auto;
    padding: 12px 15px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    grid-auto-rows: max-content;
    gap: 12px;
    align-content: start;
    background-color: var(--result-bg);
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.lib-grid::-webkit-scrollbar {
    width: 8px;
}

.lib-grid::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

.lib-grid::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border: 1px solid var(--border-color);
}

.lib-empty {
    grid-column: 1 / -1;
    padding: 40px 10px;
    text-align: center;
    opacity: 0.75;
}

.lib-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    border: 2px solid var(--border-color);
    background-color: var(--panel-bg);
    cursor: pointer;
    min-width: 0;
}

.lib-card:hover {
    border-color: var(--accent-1);
}

.lib-card:focus-visible {
    outline: 3px solid var(--accent-1);
    outline-offset: 2px;
}

.lib-card.is-selected {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--accent-1);
    background-color: var(--list-even);
}

.lib-check {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    display: flex;
    padding: 3px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
}

.lib-check input {
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
}

.lib-thumb {
    font-weight: bold;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #e8e8e8;
    border: 1px solid var(--border-color);
    color: #666666;
    font-size: 16px;
}

.lib-thumb img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    background-color: #ffffff;
}

.lib-name {
    font-size: 13px;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lib-meta {
    font-size: 12px;
    opacity: 0.75;
}

.lib-actions {
    display: flex;
    gap: 6px;
}

.lib-actions button {
    flex: 1;
    padding: 4px 6px;
    font-size: 13px;
}

.lib-hint {
    padding: 8px 15px;
    font-size: 12px;
    border-top: 2px solid var(--border-color);
    opacity: 0.85;
}

@media (max-width: 1024px) {
    .library-section {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    .library-section {
        max-width: 100%;
    }

    .lib-grid {
        height: 300px;
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

/* Redactor responsive */
@media (max-width: 960px) {
    /* Stacked layout: let the page scroll normally instead of capping height */
    .main-container {
        height: auto;
        min-height: 0;
    }

    .redactor-app {
        overflow: visible;
    }

    .app-layout {
        flex-direction: column;
        flex: none;
    }

    .side-col {
        width: 100%;
        overflow: visible;
        padding-right: 0;
    }

    .viewer-col {
        width: 100%;
    }

    .viewer-scroll {
        flex: none;
        height: 520px;
    }
}

@media (max-width: 480px) {
    .redactor-app {
        padding: 10px;
    }

    .viewer-scroll {
        height: 420px;
        padding: 8px;
    }

    .check-grid {
        grid-template-columns: 1fr;
    }
}