:root {
    --tr-blue: #1a73e8;
    --tr-blue-hover: #1765cc;
    --tr-blue-light: #e8f0fe;
    --tr-border: #dadce0;
    --tr-text: #202124;
    --tr-muted: #5f6368;
    --tr-surface: #ffffff;
    --tr-bg: #f8f9fa;
    --tr-radius: 12px;
    --tr-shadow: 0 1px 3px rgba(60, 64, 67, 0.15), 0 4px 8px rgba(60, 64, 67, 0.08);
    --tr-ad-band: 10.25rem;
    --tr-workspace-h: 17.5rem;
    --tr-side-h: 2.75rem;
    --tr-text-panel-h: calc(var(--tr-workspace-h) + var(--tr-side-h));
}

.itqan-translator-page {
    background: var(--tr-bg);
    --tr-nav-offset: 60px;
    height: calc(100vh - var(--tr-nav-offset));
    max-height: calc(100vh - var(--tr-nav-offset));
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-bottom: 0;
    box-sizing: border-box;
}

html.itqan-tr-fit,
html.itqan-tr-fit body.bg-light-subtle.itqan-tr-fit {
    height: 100%;
    overflow: hidden;
}

.itqan-tr-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.6rem 1rem 0.25rem;
    width: 100%;
    box-sizing: border-box;
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    overflow: hidden;
}

.itqan-tr-wrap:has(.itqan-tr-panel[data-tr-panel="text"]:not([hidden])) {
    grid-template-rows: auto auto auto minmax(0, 1fr) var(--tr-ad-band);
}

.itqan-tr-title {
    grid-row: 1;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--tr-text);
    margin: 0 0 0.35rem;
}

.itqan-tr-tabs {
    grid-row: 2;
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--tr-border);
    margin-bottom: 0;
    flex-wrap: wrap;
}

.itqan-tr-tab {
    border: none;
    background: transparent;
    color: var(--tr-muted);
    font-weight: 500;
    padding: 0.65rem 1.1rem;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 8px 8px 0 0;
}

.itqan-tr-tab:hover {
    color: var(--tr-blue);
    background: var(--tr-blue-light);
}

.itqan-tr-tab.active {
    color: var(--tr-blue);
    border-bottom-color: var(--tr-blue);
}

.itqan-tr-panel {
    background: var(--tr-surface);
    border: 1px solid var(--tr-border);
    border-top: none;
    border-radius: 0 0 var(--tr-radius) var(--tr-radius);
    box-shadow: var(--tr-shadow);
}

.itqan-tr-panel[data-tr-panel="text"] {
    grid-row: 3;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.itqan-tr-panel[data-tr-panel="text"][hidden] ~ [data-tr-ad] {
    display: none !important;
}

.itqan-tr-wrap > [data-tr-ad] {
    grid-row: 5;
    align-self: end;
    min-height: var(--tr-ad-band);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.itqan-tr-wrap > [data-tr-ad][hidden] {
    display: none !important;
}

.itqan-tr-panel.itqan-tr-altpanel:not([hidden]) {
    grid-row: 3;
    flex-shrink: 0;
    height: var(--tr-text-panel-h);
    max-height: var(--tr-text-panel-h);
    min-height: var(--tr-text-panel-h);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.itqan-tr-panel[data-tr-panel="websites"]:not([hidden]) {
    justify-content: center;
    padding: 1rem 1.5rem;
}

.itqan-tr-panel[data-tr-panel="images"]:not([hidden]) {
    padding: 1rem;
    overflow-y: auto;
}

.itqan-tr-panel[data-tr-panel="images"] .itqan-tr-dropzone {
    flex: 1;
    min-height: 10rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.itqan-tr-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: var(--tr-workspace-h);
    max-height: var(--tr-workspace-h);
    flex-shrink: 0;
}

.itqan-tr-col {
    display: flex;
    flex-direction: column;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

.itqan-tr-col + .itqan-tr-col {
    border-inline-start: 1px solid var(--tr-border);
}

.itqan-tr-langbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-bottom: 1px solid var(--tr-border);
    min-height: 48px;
}

.itqan-tr-langbtn {
    border: none;
    background: transparent;
    font-weight: 500;
    color: var(--tr-text);
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    cursor: pointer;
}

.itqan-tr-langbtn:hover {
    background: var(--tr-blue-light);
}

.itqan-tr-swap {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--tr-muted);
    cursor: pointer;
    flex-shrink: 0;
}

.itqan-tr-swap:hover {
    background: var(--tr-blue-light);
    color: var(--tr-blue);
}

.itqan-tr-area {
    flex: 1;
    border: none;
    resize: none;
    padding: 0.65rem 1rem 2.75rem;
    font-size: 1rem;
    line-height: 1.55;
    color: var(--tr-text);
    background: transparent;
    outline: none;
    width: 100%;
    min-height: 0;
    overflow-y: auto;
}

.itqan-tr-area[readonly] {
    cursor: default;
}

.itqan-tr-area.rtl {
    direction: rtl;
    text-align: right;
}

.itqan-tr-area.ltr {
    direction: ltr;
    text-align: left;
}

.itqan-tr-toolbar {
    position: absolute;
    bottom: 0.75rem;
    inset-inline-start: 0.75rem;
    inset-inline-end: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.itqan-tr-tools {
    display: flex;
    gap: 0.25rem;
}

.itqan-tr-iconbtn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--tr-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.itqan-tr-iconbtn:hover:not(:disabled) {
    background: #f1f3f4;
    color: var(--tr-text);
}

.itqan-tr-iconbtn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.itqan-tr-iconbtn.recording {
    color: #d93025;
    background: #fce8e6;
}

.itqan-tr-meta {
    font-size: 0.8rem;
    color: var(--tr-muted);
}

.itqan-tr-loading {
    position: absolute;
    inset: 52px 0 0 0;
    background: rgba(255, 255, 255, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.itqan-tr-loading.show {
    display: flex;
}

.itqan-tr-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--tr-border);
    border-top-color: var(--tr-blue);
    border-radius: 50%;
    animation: itqanTrSpin 0.8s linear infinite;
}

@keyframes itqanTrSpin {
    to { transform: rotate(360deg); }
}

.itqan-tr-side {
    display: flex;
    gap: 1rem;
    padding: 0.4rem 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
    border-top: 1px solid var(--tr-border);
    background: var(--tr-surface);
}

.itqan-tr-sidebtn {
    border: none;
    background: transparent;
    color: var(--tr-blue);
    font-weight: 500;
    cursor: pointer;
    padding: 0.25rem 0;
}

.itqan-tr-sidebtn:hover {
    text-decoration: underline;
}

.itqan-tr-attribution {
    font-size: 0.75rem;
    color: var(--tr-muted);
    margin-top: 1rem;
    text-align: center;
}

/* Panels: images, documents, websites */
.itqan-tr-altpanel {
    padding: 1rem 1.5rem;
    text-align: center;
}

.itqan-tr-altpanel .text-muted {
    margin: 0 0 0.75rem;
}

.itqan-tr-dropzone {
    border: 2px dashed var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    box-sizing: border-box;
}

.itqan-tr-dropzone:hover,
.itqan-tr-dropzone.dragover {
    border-color: var(--tr-blue);
    background: var(--tr-blue-light);
}

.itqan-tr-urlrow {
    display: flex;
    gap: 0.5rem;
    max-width: 640px;
    margin: 0 auto;
}

.itqan-tr-urlrow input {
    flex: 1;
    border: 1px solid var(--tr-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.itqan-tr-primary {
    background: var(--tr-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    cursor: pointer;
}

.itqan-tr-primary:hover {
    background: var(--tr-blue-hover);
}

/* Language modal */
.itqan-tr-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(32, 33, 36, 0.45);
    z-index: 2000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem 1rem;
    overflow-y: auto;
}

.itqan-tr-modal-backdrop.show {
    display: flex;
}

.itqan-tr-modal {
    background: var(--tr-surface);
    border-radius: var(--tr-radius);
    width: min(960px, 96vw);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.itqan-tr-modal-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--tr-border);
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-shrink: 0;
}

.itqan-tr-modal-head input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--tr-border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
}

.itqan-tr-modal-list {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 1.25rem 1rem;
    column-count: 3;
    column-gap: 2rem;
}

.itqan-tr-lang-item {
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: start;
    border: none;
    background: transparent;
    padding: 0.45rem 0.35rem;
    cursor: pointer;
    color: var(--tr-text);
    border-radius: 6px;
    font-size: 0.9375rem;
    font-family: inherit;
    line-height: 1.45;
    white-space: normal;
    overflow: visible;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
}

.itqan-tr-lang-item.detect {
    column-span: all;
    padding: 0.55rem 0.35rem;
    margin-bottom: 0.35rem;
}

.itqan-tr-lang-item:hover,
.itqan-tr-lang-item.active {
    background: var(--tr-blue-light);
}

.itqan-tr-lang-item.detect {
    color: var(--tr-blue);
    font-weight: 500;
}

@media (max-width: 768px) {
    .itqan-tr-modal-list {
        column-count: 2;
        column-gap: 1.25rem;
    }
}

@media (max-width: 480px) {
    .itqan-tr-modal-list {
        column-count: 1;
    }
}

/* Settings drawer */
.itqan-tr-settings {
    position: fixed;
    top: 0;
    inset-inline-end: 0;
    width: min(320px, 90vw);
    height: 100%;
    background: var(--tr-surface);
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.12);
    z-index: 2100;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    padding: 1.5rem;
}

[dir="rtl"] .itqan-tr-settings {
    transform: translateX(-100%);
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.12);
}

.itqan-tr-settings.show {
    transform: translateX(0);
}

.itqan-tr-settings h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.itqan-tr-radio {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* History drawer */
.itqan-tr-drawer {
    position: fixed;
    top: 0;
    inset-inline-start: 0;
    width: min(380px, 92vw);
    height: 100%;
    background: var(--tr-surface);
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.12);
    z-index: 2100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
}

[dir="rtl"] .itqan-tr-drawer {
    transform: translateX(100%);
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.12);
}

.itqan-tr-drawer.show {
    transform: translateX(0);
}

.itqan-tr-drawer-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--tr-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.itqan-tr-drawer-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.itqan-tr-drawer-clear {
    border: none;
    background: transparent;
    color: #d93025;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
}

.itqan-tr-drawer-clear:hover {
    background: #fce8e6;
}

.itqan-tr-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.itqan-tr-hist-item {
    display: block;
    width: 100%;
    border: none;
    background: transparent;
    text-align: start;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 0.25rem;
    color: var(--tr-text);
}

.itqan-tr-hist-item:hover {
    background: #f1f3f4;
}

.itqan-tr-hist-item strong {
    display: block;
    font-size: 0.92rem;
}

.itqan-tr-hist-item small {
    display: block;
    color: var(--tr-muted);
    margin-top: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.85rem;
}

.itqan-tr-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #323232;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.itqan-tr-toast.show {
    opacity: 1;
}

@media (max-width: 768px) {
    .itqan-translator-page {
        --tr-nav-offset: 52px;
    }

    .itqan-tr-workspace {
        grid-template-columns: 1fr;
    }
    .itqan-tr-col + .itqan-tr-col {
        border-inline-start: none;
        border-top: 1px solid var(--tr-border);
    }
}