/*
    style.css
*/

:root {
    --app-bg: #f5f5f4;
    --surface: #fafaf9;
    --surface-2: #f0efee;
    --border: #d4cfc9;
    --text: #1c1917;
    --muted: #78716c;
    --accent: #2563eb;
    --code-bg: #eef2ff;
    --code-text: #334155;
    --splitter-bg: linear-gradient(to right, #d4cfc9, #b8b2ac, #d4cfc9);
    --splitter-handle: rgba(255, 255, 255, 0.82);
    --shadow: 0 0.125rem 0.35rem rgba(0, 0, 0, 0.08);
    --center-pane-width: 300px;
    --selection-bg: #fefce8;
    --selection-border: #fbbf24;
    --selection-label: #92400e;
    --selection-word: #78350f;
}

html[data-theme="dark"] {
    --app-bg: #0f1117;
    --surface: #1a1d27;
    --surface-2: #21263a;
    --border: #2e3347;
    --text: #e8e6e1;
    --muted: #9ca3b0;
    --accent: #60a5fa;
    --code-bg: #172554;
    --code-text: #dbeafe;
    --splitter-bg: linear-gradient(to right, #2e3347, #3d4463, #2e3347);
    --splitter-handle: rgba(255, 255, 255, 0.35);
    --shadow: 0 0.125rem 0.35rem rgba(0, 0, 0, 0.32);
    --selection-bg: #1c1a08;
    --selection-border: #92400e;
    --selection-label: #fcd34d;
    --selection-word: #fef3c7;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--app-bg);
    color: var(--text);
    overflow: auto;
}

.app-shell {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    flex: 0 0 auto;
    background: var(--surface);
    box-shadow: var(--shadow);
    z-index: 5;
}

.topbar-inner {
    min-height: 40px;
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
    flex-wrap: wrap;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.app-brand {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1;
    letter-spacing: 0.15px;
}

.app-brand:hover {
    color: var(--accent);
}

.toolbar-path {
    font-size: 0.8rem;
    color: var(--code-text);
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    padding: 0.18rem 0.45rem;
    max-width: min(52vw, 700px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.controls-bar {
    flex: 0 0 auto;
    background: var(--surface);
    border-color: var(--border) !important;
}

.controls-wrap {
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
}

.controls-main-row {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.4rem;
}

body.controls-collapsed .controls-bar {
    display: none;
}

/* Hide standalone topbar when controls (with inline brand) are visible */
#topbar {
    display: none;
}

body.controls-collapsed #topbar {
    display: block;
}

.controls-brand-col {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.controls-brand-col .app-brand {
    white-space: nowrap;
}

.controls-layout {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.controls-fields {
    flex: 1 1 0;
    max-width: 800px;
    min-width: 0;
}

.controls-account-col {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    margin-left: auto;
}

.controls-zoom-col {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    margin-left: auto;
}

.form-label-sm {
    margin-bottom: 0.2rem;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--muted);
}

#verseInput {
    text-align: center;
}

.verse-shortcuts-wrap {
    border: 1px solid var(--border);
    background: var(--surface-2);
    border-radius: 0.5rem;
    padding: 0.45rem 0.6rem;
}

.verse-shortcuts-toolbar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.verse-range-btn {
    flex: 0 0 auto;
    min-width: 2.2rem;
}

.verse-shortcut-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    max-height: 7.5rem;
    overflow: auto;
    align-content: flex-start;
}

.verse-shortcut-btn {
    min-width: 2.4rem;
}

.verse-shortcuts-note {
    margin-top: 0.3rem;
    font-size: 0.72rem;
    color: var(--muted);
}

.workspace {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    background: var(--border);
}

.workspace.reader-mode {
    background: var(--surface);
}

.workspace.reader-mode #pane1Pane {
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: 680px;
}

.pane {
    flex: 0 0 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    overflow: hidden;
}

.pane-header {
    padding: 0.35rem 0.5rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.pane-header-bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.pane-lang-select {
    min-width: 120px;
    max-width: 220px;
    width: auto;
}

.pane-header-bar-1 .pane-lang-select {
    margin-left: auto;
}

.mobile-fullscreen-btn {
    display: none;
}

.mobile-breadcrumb {
    display: none;
    align-items: center;
    flex-wrap: nowrap;
    overflow: hidden;
    min-width: 0;
    gap: 0;
    cursor: pointer;
}

.bc-item {
    font-size: 0.68rem;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex-shrink: 1;
}

.bc-sep {
    font-size: 0.68rem;
    color: var(--muted);
    padding: 0 0.2rem;
    flex-shrink: 0;
}

.bc-current {
    color: var(--text);
    font-weight: 500;
    flex-shrink: 0;
}

.pane-open-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 0.78rem;
    padding: 0.2rem;
    flex-shrink: 0;
    text-decoration: none;
    opacity: 0.6;
    transition: opacity 0.15s, color 0.15s;
}

.pane-open-tab:hover {
    color: var(--accent);
    opacity: 1;
}

.pane iframe {
    flex: 1;
    width: 100%;
    border: 0;
    background: var(--surface);
}

.pane-duplicate-msg {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 2rem;
    gap: 0.5rem;
}

.splitter {
    flex: 0 0 8px;
    background: var(--splitter-bg);
    cursor: col-resize;
    position: relative;
}

.splitter::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 3px;
    height: 44px;
    transform: translate(-50%, -50%);
    border-radius: 999px;
    background: var(--splitter-handle);
}

.center-pane {
    flex: 0 0 var(--center-pane-width);
    min-width: var(--center-pane-width);
    max-width: var(--center-pane-width);
    background: var(--surface);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.center-pane-inner {
    padding: 0.45rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex-shrink: 0;
    overflow: visible;
}

.center-pane-inner > .btn {
    width: 100%;
    white-space: nowrap;
}

.cpane-zoom-row {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.1rem 0;
}

.cpane-zoom-a-small {
    font-size: 0.7rem;
    color: var(--muted);
    flex-shrink: 0;
    line-height: 1;
}

.cpane-zoom-a-large {
    font-size: 1.1rem;
    color: var(--muted);
    flex-shrink: 0;
    line-height: 1;
}

.cpane-zoom-slider {
    flex: 1 1 0;
    min-width: 0;
    height: 4px;
    cursor: pointer;
    accent-color: var(--accent);
}

.cpane-zoom-pct {
    font-size: 0.7rem;
    color: var(--muted);
    flex-shrink: 0;
    min-width: 2.8rem;
    text-align: right;
    line-height: 1;
}

.cpane-btn-row {
    display: flex;
    gap: 0.4rem;
}

.cpane-lang-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0;
}

.cpane-lang-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 75px;
    text-align: right;
}

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

/* Toggle rows in center pane — each toggle stretches to fill its share */
.cpane-toggle-row {
    display: flex;
    gap: 0.4rem;
}

.cpane-toggle-row > .toggle {
    flex: 1 1 0;
    min-width: 0;
}



/* Transparent background — only the handle is shaded */
.cpane-toggle-row .toggle,
.cpane-toggle-row .toggle.btn,
.cpane-toggle-row .toggle:focus,
.cpane-toggle-row .toggle:active {
    background: transparent !important;
    border-color: var(--bs-secondary) !important;
    box-shadow: none !important;
}

/* Hover: match btn-outline-secondary filled hover */
.cpane-toggle-row .toggle:hover {
    background: var(--bs-secondary) !important;
    border-color: var(--bs-secondary) !important;
    box-shadow: none !important;
}

.cpane-toggle-row .toggle:hover .toggle-on,
.cpane-toggle-row .toggle:hover .toggle-off {
    color: #fff !important;
}

.cpane-toggle-row .toggle .toggle-on,
.cpane-toggle-row .toggle .toggle-off {
    background: transparent !important;
    border-color: transparent !important;
    color: var(--text) !important;
    box-shadow: none !important;
    text-shadow: none !important;
}

.cpane-toggle-row .toggle .toggle-handle {
    background: var(--muted) !important;
    border-color: var(--bs-secondary) !important;
    box-shadow: none !important;
}

/* Buttons in center pane — match toggle text color */
.center-pane-inner .btn-outline-secondary {
    color: var(--text) !important;
}

.center-pane-inner .btn-outline-secondary:hover,
.center-pane-inner .btn-outline-secondary:active,
.center-pane-inner .btn-outline-secondary.active {
    color: #fff !important;
}

/* Mobile nav bar + topbar outline buttons — same dark-mode fix */
#mobileNavBar .btn-outline-secondary,
#topbar .btn-outline-secondary {
    color: var(--text) !important;
    border-color: var(--border) !important;
}

#mobileNavBar .btn-outline-secondary:hover,
#mobileNavBar .btn-outline-secondary:active,
#topbar .btn-outline-secondary:hover,
#topbar .btn-outline-secondary:active {
    color: #fff !important;
    background-color: var(--muted) !important;
    border-color: var(--muted) !important;
}

/* Center pane — selection section */
.center-selection {
    flex-shrink: 0;
    padding: 0.5rem 0.6rem;
    border-left: 3px solid var(--selection-border);
    border-bottom: 1px solid var(--border);
    background: var(--selection-bg);
    margin-bottom: 5px;
}

.center-selection-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
}

.center-selection-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--selection-label);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.center-selection-word {
    font-size: 1rem;
    font-weight: 600;
    color: var(--selection-word);
    word-break: break-word;
    margin-bottom: 0.2rem;
}

.center-selection-trans {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.2rem 0.4rem;
    padding-top: 0.3rem;
    margin-top: 0.3rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
}

.center-selection-trans-arrow {
    color: var(--muted);
}

.center-selection-trans-result {
    font-weight: 700;
    color: var(--accent);
}

.center-selection-trans-langs {
    font-size: 0.7rem;
    color: var(--muted);
    width: 100%;
}

.center-selection-def {
    padding-top: 0.3rem;
    margin-top: 0.3rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
}

.center-selection-def-entry {
    margin-bottom: 0.25rem;
    color: var(--text);
    line-height: 1.4;
}

.center-selection-def-entry:last-child {
    margin-bottom: 0;
}

.center-selection-def-pos {
    font-style: italic;
    color: var(--muted);
    font-size: 0.75rem;
}

.center-selection-def-lang {
    font-size: 0.7rem;
    color: var(--muted);
    margin-top: 0.25rem;
}

.center-selection-def-base-label {
    font-size: 0.72rem;
    font-style: italic;
    color: var(--muted);
    margin-top: 0.4rem;
    margin-bottom: 0.1rem;
}

@keyframes def-dot-bounce {
    0%, 80%, 100% { opacity: 0.2; transform: translateY(0); }
    40%           { opacity: 1;   transform: translateY(-3px); }
}
.def-loading {
    color: var(--muted);
    display: inline-flex;
    gap: 1px;
}
.def-loading span {
    display: inline-block;
    animation: def-dot-bounce 1.1s ease-in-out infinite;
}
.def-loading span:nth-child(2) { animation-delay: 0.18s; }
.def-loading span:nth-child(3) { animation-delay: 0.36s; }

/* Center pane — word list section */
.center-word-list {
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.center-word-list-content {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    padding: 0.45rem;
}

/* Occurrence count chip on word list items */
.word-list-count {
    font-size: 0.7rem;
    color: var(--muted);
    margin-left: 0.15rem;
}

.word-list-hint {
    font-size: 0.73rem;
    color: var(--muted);
    padding: 0.4rem 0.45rem 0;
    margin: 0;
    line-height: 1.8;
    text-align: center;
}

#pane3Pane {
    flex: 0 0 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    overflow: hidden;
}

#pane3Pane.pane {
    display: flex;
}

#splitter3rd {
    flex: 0 0 8px;
    background: var(--splitter-bg);
    cursor: col-resize;
    position: relative;
}

body.dragging-divider {
    cursor: col-resize;
    user-select: none;
}

body.dragging-divider iframe {
    pointer-events: none;
}

footer {
    flex: 0 0 auto;
    background: var(--surface);
    border-top: 1px solid var(--border);
    margin-top: auto;
}

footer p {
    font-size: 0.875rem;
    color: var(--muted);
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

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

/* Word list bar */
.word-list-bar {
    flex: 0 0 auto;
    background: var(--surface);
    border-color: var(--border) !important;
}

.word-list-wrap {
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}

.word-list-content {
    max-height: 120px;
    overflow-y: auto;
}

.word-list-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 1.25rem 0 0.25rem;
}

.word-list-section-label:first-child {
    margin-top: 0;
}

.word-list-words {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.35rem;
}

.word-list-item {
    font-size: 0.8rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background: var(--surface-2);
    white-space: nowrap;
    user-select: none;
    -webkit-touch-callout: none;
    transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.word-list-item:hover {
    background: var(--code-bg);
    color: var(--accent);
    border-color: var(--accent);
}

.word-list-item.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.word-list-loading {
    font-size: 0.8rem;
}

/* Translation result row */
.word-list-translation {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.3rem 0.5rem;
    padding-top: 0.35rem;
    margin-top: 0.35rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
}

.word-list-trans-from {
    font-weight: 700;
    color: var(--text);
}

.word-list-trans-arrow {
    color: var(--muted);
}

.word-list-trans-result {
    font-weight: 700;
    color: var(--accent);
}

.word-list-trans-langs {
    font-size: 0.72rem;
    color: var(--muted);
}

/* Selection popup */
.selection-popup {
    position: fixed;
    z-index: 1050;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
    padding: 0.6rem 0.75rem;
    min-width: 160px;
    max-width: 320px;
    pointer-events: auto;
}

html[data-theme="dark"] .selection-popup {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
}

.selection-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.selection-popup-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.selection-popup-word {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    word-break: break-word;
}

.selection-popup-trans {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.2rem 0.4rem;
    margin-top: 0.35rem;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
}

.selection-popup-trans-arrow {
    color: var(--muted);
}

.selection-popup-trans-result {
    font-weight: 700;
    color: var(--accent);
}

.selection-popup-trans-langs {
    font-size: 0.7rem;
    color: var(--muted);
}

/* Alternative translations (shared between word list and selection popup) */
.trans-alts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 0.3rem;
    width: 100%;
    margin-top: 0.2rem;
}

.trans-alt-item {
    font-size: 0.75rem;
    color: var(--muted);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    padding: 0.05rem 0.3rem;
    cursor: default;
}

.trans-alt-item::before {
    content: "also: ";
    font-size: 0.68rem;
    opacity: 0.6;
}

/* ============================================================
   Offcanvas — respect CSS custom theme variables
   ============================================================ */
.offcanvas {
    --bs-offcanvas-bg: var(--surface);
    --bs-offcanvas-color: var(--text);
}

html[data-theme="dark"] .offcanvas {
    --bs-offcanvas-bg: #2a2f45;
}

#mobileOffcanvas {
    --bs-offcanvas-width: min(380px, 96vw);
}

.offcanvas-header {
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.1rem;
}

.offcanvas-brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    text-decoration: none;
    line-height: 1;
}

.offcanvas-brand:hover {
    color: var(--accent);
}

.offcanvas-body .form-select {
    background-color: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}

.offcanvas-body .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.offcanvas-body hr {
    border-color: var(--border);
    opacity: 1;
}

@media (max-width: 991.98px) {
    .topbar-inner {
        align-items: flex-start;
    }

    .toolbar-path {
        max-width: 100%;
    }

    .verse-shortcuts-toolbar {
        flex-wrap: wrap;
    }
}

@media (max-width: 1023.98px) {
    :root {
        --center-pane-width: 250px;
    }
}

.offcanvas-footer-text {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.5;
}

.offcanvas-footer-text a {
    color: var(--accent);
    text-decoration: none;
}

.offcanvas-footer-text a:hover {
    text-decoration: underline;
}
#mobileMenuBtn {
    display: none;
}

#mobileNavBar {
    display: none;
    gap: 2px;
    padding: 0.3rem 0.4rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

#mobileControlsRow {
    display: none;
}

.mobile-nav-btn {
    flex: 1 1 0;
    min-width: 0;
    font-size: 0.82rem;
    padding: 0.4rem 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.mobile-nav-btn:focus,
.mobile-nav-btn:focus-visible {
    outline: none;
    box-shadow: none;
}

.mobile-nav-btn:active {
    background-color: transparent !important;
    border-color: var(--bs-secondary) !important;
    color: inherit !important;
    box-shadow: none !important;
}

/* Parallel verse text shown in the mobile drawer for the selected verse */
.mobile-verse-text {
    padding: 0.5rem 0.65rem;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--text);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    max-height: 130px;
    overflow-y: auto;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* ============================================================
   Mobile drawer handle — hidden on desktop, revealed via media query
   ============================================================ */
.mobile-drawer-handle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.65rem;
    min-height: 44px;
    cursor: pointer;
    user-select: none;
    flex-shrink: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
    background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

/* ============================================================
   Word lookup modal
   ============================================================ */
#wordLookupModal .modal-content {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}
#wordLookupModal .modal-header {
    border-bottom-color: var(--border);
}
html[data-theme="dark"] #wordLookupModal .modal-content {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 1rem 2rem rgba(0, 0, 0, 0.85);
}
html[data-theme="dark"] .modal-backdrop {
    --bs-backdrop-opacity: 0.75;
}

.mobile-drawer-grip {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--accent);
    opacity: 0.35;
    flex-shrink: 0;
}

.mobile-drawer-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    flex: 1 1 0;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-drawer-chevron {
    flex-shrink: 0;
    font-size: 0.7rem;
    color: var(--accent);
    transition: transform 0.2s ease;
}

.center-pane.mobile-drawer-open .mobile-drawer-chevron {
    transform: rotate(180deg);
}

.mobile-translate-row {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.mobile-translate-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ============================================================
   Mobile layout (< 768px) — single pane + bottom drawer
   ============================================================ */
@media (max-width: 767.98px) {
    .topbar-inner {
        align-items: center;
        min-height: 52px;
        padding-top: 0.65rem;
        padding-bottom: 0.65rem;
    }

    /* Workspace stacks vertically */
    .workspace {
        flex-direction: column;
    }

    /* Pane 1 fills all available height; padding reserves space for the drawer */
    #pane1Pane {
        flex: 1 1 auto !important;
        width: 100% !important;
        min-height: 0;
        padding-bottom: 44px;
    }

    /* Pane 1 language select: left-aligned (no mirror pane to push it right) */
    .mobile-fullscreen-btn {
        display: inline-flex;
    }

    .mobile-breadcrumb {
        display: flex;
    }

    .pane-header-bar-1 .pane-lang-select {
        margin-left: 0;
    }

    /* Hide pane 2, pane 3, and the drag splitters */
    #pane2Pane,
    #pane3Pane,
    #splitter,
    #splitter3rd {
        display: none !important;
    }

    /* Center pane becomes a fixed bottom drawer */
    .center-pane {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        max-width: 100%;
        flex: 0 0 auto;
        min-width: 0;
        border-left: none;
        border-right: none;
        border-top: 2px solid var(--accent);
        background: color-mix(in srgb, var(--accent) 6%, var(--surface));
        box-shadow: 0 -3px 20px rgba(37, 99, 235, 0.13);
        z-index: 200;
        height: 44px;        /* collapsed: just the handle bar */
        overflow: hidden;
        transition: height 0.25s ease;
    }

    html[data-theme="dark"] .center-pane {
        background: color-mix(in srgb, var(--accent) 10%, var(--surface));
        box-shadow: 0 -3px 20px rgba(96, 165, 250, 0.18);
    }

    /* Expanded drawer — at most half the screen height */
    .center-pane.mobile-drawer-open {
        height: 50vh;
        overflow-y: auto;
    }

    /* Show mobile-only elements */
    .mobile-drawer-handle {
        display: flex;
    }

    .mobile-translate-row {
        display: flex;
    }

    /* Always show topbar (hamburger & brand live there) */
    #topbar {
        display: block !important;
    }

    /* Always hide controls-bar on mobile — navigation is in the offcanvas */
    #controlsBar {
        display: none !important;
    }

    /* Show mobile navigation elements */
    #mobileMenuBtn {
        display: inline-flex !important;
    }

    #mobileNavBar {
        display: flex;
    }

    /* Clean up drawer — zoom/dark mode are in offcanvas, nav is in nav bar */
    #cpaneZoomRow,
    .cpane-toggle-row,
    .cpane-btn-row,
    .cpane-lang-row {
        display: none !important;
    }

    /* Word list always visible in drawer on mobile */
    #centerWordList {
        display: flex !important;
        max-height: 200px;
        overflow-y: auto;
    }

    /* Hide desktop-only drawer rows */
    #cpaneSwapRow,
    #cpaneToggleRow2 {
        display: none !important;
    }

    /* Footer content is in the offcanvas on mobile */
    footer {
        display: none;
    }

    /* Suppress the old wide-screen warning — mobile is now properly supported */
    #responsiveWarning {
        display: none !important;
    }
}


/* =========================================================================
   READING CONTEXTS — context switcher + anonymous toast
   ========================================================================= */

/* --- Desktop center panel context section --- */
.cpane-ctx-section {
	padding: 6px 0 4px;
	border-top: 1px solid var(--border);
	border-bottom: 1px solid var(--border);
	margin-bottom: 6px;
}

.ctx-section-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 4px;
}

.ctx-add-btn {
	padding: 1px 6px;
	line-height: 1.2;
	font-size: 0.75rem;
}

/* --- Context list (shared desktop + offcanvas) --- */
.ctx-list {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.ctx-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 4px 6px;
	border-radius: 4px;
	cursor: pointer;
	border: 1px solid transparent;
	transition: background 0.1s;
}

.ctx-item:hover {
	background: var(--surface-2);
	border-color: var(--border);
}

.ctx-item-active {
	background: var(--surface-2);
	border-color: var(--accent);
}

.ctx-info {
	display: flex;
	flex-direction: column;
	min-width: 0;
	flex: 1;
}

.ctx-label {
	font-size: 0.8rem;
	font-weight: 500;
	color: var(--text);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.ctx-item-active .ctx-label {
	color: var(--accent);
}

.ctx-lang {
	font-size: 0.7rem;
	color: var(--muted);
}

.ctx-del-btn {
	background: none;
	border: none;
	padding: 2px 4px;
	color: var(--muted);
	cursor: pointer;
	line-height: 1;
	flex-shrink: 0;
	border-radius: 3px;
	visibility: hidden;
	font-size: 0.75rem;
}

.ctx-edit-btn {
	background: none;
	border: none;
	padding: 2px 4px;
	color: var(--muted);
	cursor: pointer;
	line-height: 1;
	flex-shrink: 0;
	border-radius: 3px;
	visibility: hidden;
	font-size: 0.7rem;
}

.ctx-btns {
	display: flex;
	align-items: center;
	gap: 1px;
	flex-shrink: 0;
}

.ctx-item:hover .ctx-del-btn,
.ctx-item-active .ctx-del-btn,
.ctx-item:hover .ctx-edit-btn,
.ctx-item-active .ctx-edit-btn {
	visibility: visible;
}

.ctx-del-btn:hover {
	color: #dc2626;
	background: rgba(220, 38, 38, 0.08);
}

.ctx-edit-btn:hover {
	color: var(--accent);
	background: rgba(37, 99, 235, 0.08);
}

.ctx-rename-input {
	font-size: 0.8rem;
	padding: 1px 4px;
	height: auto;
}

.ctx-anon-msg {
	font-size: 0.78rem;
	color: var(--muted);
	padding: 4px 2px;
}

.ctx-anon-msg a {
	color: var(--accent);
	text-decoration: none;
}

.ctx-anon-msg a:hover {
	text-decoration: underline;
}

/* --- Offcanvas context section --- */
#ocCtxSection .ctx-section-header {
	padding: 0 0 4px;
}

#ocCtxSection .ctx-item {
	padding: 6px 8px;
}

#ocCtxSection .ctx-label {
	font-size: 0.88rem;
}

#ocCtxSection .ctx-lang {
	font-size: 0.76rem;
}

/* --- Anonymous save-your-place toast --- */
.ctx-anon-toast {
	position: fixed;
	bottom: 72px;       /* above the mobile drawer handle */
	left: 50%;
	transform: translateX(-50%) translateY(20px);
	background: #1c1917;
	color: #fff;
	border-radius: 8px;
	padding: 10px 14px;
	display: flex;
	align-items: center;
	gap: 10px;
	z-index: 1060;
	box-shadow: 0 4px 16px rgba(0,0,0,0.3);
	opacity: 0;
	transition: opacity 0.3s ease, transform 0.3s ease;
	max-width: calc(100vw - 32px);
	white-space: nowrap;
}

.ctx-anon-toast.ctx-toast-visible {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

.ctx-anon-toast-msg {
	font-size: 0.82rem;
}

.ctx-anon-toast-btn {
	font-size: 0.78rem;
	padding: 3px 10px;
	flex-shrink: 0;
}

.ctx-anon-toast-close {
	flex-shrink: 0;
	filter: invert(1) grayscale(1);
}

@media (min-width: 768px) {
	.ctx-anon-toast {
		bottom: 24px;
	}
}

[data-theme="dark"] .ctx-anon-toast {
	background: #292524;
	border: 1px solid #44403c;
}