/* Shared responsive layer for every Reading and Listening test. */

html,
body {
    max-width: 100%;
}

button,
input,
select,
textarea,
[role="button"] {
    touch-action: manipulation;
}

.main-content,
.passage-panel,
.questions-panel,
.test-content,
.question-block,
.header-left,
.header-right,
.header-actions,
.audio-player-bar {
    min-width: 0;
}

.global-mobile-menu-btn {
    display: none;
}

/* Keep wide question tables contained on every screen size. */
.table-responsive {
    max-width: 100%;
    overflow-x: auto !important;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

@media (max-width: 900px) {
    /* ---------------- Listening tests ---------------- */
    body.responsive-listening {
        --footer-height: 64px;
        overflow-x: hidden;
    }

    body.responsive-listening > header {
        height: 60px;
        gap: 6px;
        padding: 0 8px;
    }

    .responsive-listening > header .exit-btn {
        flex: 0 0 auto;
        min-width: 42px;
        min-height: 42px;
        padding: 8px 10px;
        justify-content: center;
    }

    .responsive-listening > header .timer-box {
        flex: 1 1 auto;
        min-width: 0;
        padding: 5px 8px;
        font-size: 0.9rem;
    }

    .responsive-listening > header .header-actions {
        flex: 0 0 auto;
        gap: 2px;
        margin-left: auto;
    }

    .responsive-listening > header .header-icon-btn {
        min-width: 38px;
        min-height: 42px;
        padding: 6px;
    }

    .responsive-listening > header .header-icon-btn[title*="Full"] {
        display: none;
    }

    .responsive-listening > header .btn-submit {
        min-height: 42px;
        padding: 8px 12px;
        white-space: nowrap;
    }

    .responsive-listening .container {
        width: 100%;
        max-width: 100%;
        height: calc(100dvh - 60px - var(--footer-height));
    }

    .responsive-listening .test-content {
        width: 100%;
        max-width: 100%;
        padding: 12px;
        overflow-x: hidden;
    }

    .responsive-listening .sticky-wrapper {
        padding-bottom: 10px;
    }

    .responsive-listening .audio-player-bar {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 7px;
        padding: 9px;
    }

    .responsive-listening .audio-player-bar > span:first-child {
        grid-column: 1 / -1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .responsive-listening .audio-player-bar audio {
        width: 100%;
        min-width: 0;
    }

    .responsive-listening .audio-btn {
        min-width: 44px;
        min-height: 40px;
        padding: 6px 8px;
    }

    .responsive-listening .part-header {
        align-items: flex-start;
        margin-bottom: 14px;
        padding-left: 10px;
    }

    .responsive-listening .part-header h2 {
        font-size: clamp(1.25rem, 6vw, 1.55rem);
        line-height: 1.2;
        overflow-wrap: anywhere;
    }

    .responsive-listening .question-block {
        max-width: 100%;
        margin-bottom: 16px;
        padding: 16px;
        overflow-wrap: anywhere;
    }

    .responsive-listening .instructions {
        padding: 10px;
        line-height: 1.45;
    }

    .responsive-listening input[type="text"],
    .responsive-listening input[type="number"],
    .responsive-listening select,
    .responsive-listening textarea {
        max-width: 100%;
        min-height: 42px;
        font-size: 16px !important;
    }

    .responsive-listening .input-wrapper {
        max-width: 100%;
        margin: 3px 2px;
    }

    .responsive-listening .input-wrapper input[type="text"] {
        min-width: 0;
        width: min(170px, calc(100vw - 105px));
    }

    .responsive-listening .mcq-options label,
    .responsive-listening .checkbox-option,
    .responsive-listening .drag-item,
    .responsive-listening .draggable-item {
        min-height: 44px;
    }

    .responsive-listening .table-responsive {
        border-radius: 8px;
    }

    .responsive-listening .form-table {
        min-width: 620px;
    }

    .responsive-listening .bottom-nav {
        height: var(--footer-height);
        max-width: 100vw;
        padding: 0 8px;
        gap: 0;
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-inline: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .responsive-listening .nav-section-group {
        flex: 0 0 auto;
        margin-right: 18px;
    }

    .responsive-listening .nav-q-btn {
        width: 36px;
        height: 38px;
        flex: 0 0 36px;
    }

    .responsive-listening .modal-box {
        width: calc(100vw - 24px);
        max-width: 400px;
        max-height: calc(100dvh - 24px);
        padding: 24px 18px;
        overflow-y: auto;
    }

    /* ---------------- Older Listening test shell ---------------- */
    body.responsive-legacy-listening {
        width: 100%;
        height: 100dvh;
        min-width: 0;
        overflow: hidden;
    }

    .responsive-legacy-listening .screen-container {
        width: 100%;
        max-width: 100%;
        min-height: 100dvh;
        padding: 12px;
        overflow-y: auto;
    }

    .responsive-legacy-listening .details-box,
    .responsive-legacy-listening .instr-container {
        max-width: 100%;
    }

    .responsive-legacy-listening .details-content,
    .responsive-legacy-listening .instr-content {
        width: 100%;
        max-width: 100%;
        padding: 22px 18px;
    }

    .responsive-legacy-listening .header {
        position: relative;
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto auto;
        grid-template-areas: "brand timer menu";
        width: 100%;
        height: 64px;
        min-height: 64px;
        padding: 8px 10px;
        gap: 7px;
        z-index: 1100;
    }

    .responsive-legacy-listening .header-left {
        grid-area: brand;
        width: auto;
        min-width: 0;
        justify-content: flex-start;
    }

    .responsive-legacy-listening .header-left .test-taker-badge {
        display: none;
    }

    .responsive-legacy-listening .logo {
        min-width: 0;
        font-size: 1.15rem;
        white-space: nowrap;
    }

    .responsive-legacy-listening .audio-control-bar {
        display: none !important;
    }

    .responsive-legacy-listening .audio-control-bar audio {
        width: 100%;
        min-width: 0;
    }

    .responsive-legacy-listening .audio-skip-btn {
        flex: 0 0 42px;
        min-width: 42px;
        min-height: 40px;
    }

    .responsive-legacy-listening .global-mobile-menu-btn {
        grid-area: menu;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 58px;
        min-height: 44px;
        padding: 7px 10px;
        border: 0;
        border-radius: 6px;
        background: var(--brand-color, #8b0000);
        color: #fff;
        font: inherit;
        font-weight: 700;
        cursor: pointer;
    }

    .responsive-legacy-listening .legacy-mobile-timer {
        grid-area: timer;
        display: flex;
        min-width: 0;
        max-width: 110px;
        min-height: 44px;
        padding: 5px 8px;
        justify-content: center;
        font-size: 0.85rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .responsive-legacy-listening .header-right {
        display: none !important;
        position: absolute !important;
        top: 58px !important;
        right: 0 !important;
        left: 0 !important;
        width: 100% !important;
        max-height: calc(100dvh - 58px);
        padding: 12px !important;
        flex-direction: column !important;
        gap: 8px !important;
        overflow-y: auto;
        background: var(--bg-paper, #fff);
        border-bottom: 2px solid var(--brand-color, #8b0000);
        box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
        z-index: 1200;
    }

    .responsive-legacy-listening .header-right.mobile-open {
        display: flex !important;
    }

    .responsive-legacy-listening .header-right .header-btn {
        display: flex;
        width: 100%;
        min-height: 44px;
        justify-content: center;
        font-size: 16px;
    }

    .responsive-legacy-listening .main-content {
        width: 100%;
        min-width: 0;
        padding: 8px;
        overflow: hidden;
    }

    .responsive-legacy-listening .questions-panel {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        padding: 14px;
        overflow-x: hidden;
        overflow-y: auto;
    }

    .responsive-legacy-listening .question-block {
        max-width: 100%;
        padding: 16px;
        overflow-wrap: anywhere;
    }

    .responsive-legacy-listening input[type="text"],
    .responsive-legacy-listening input[type="number"],
    .responsive-legacy-listening select,
    .responsive-legacy-listening textarea {
        max-width: 100%;
        min-height: 40px;
        font-size: 16px !important;
    }

    .responsive-legacy-listening .input-wrapper {
        max-width: 100%;
        margin: 3px 2px;
    }

    .responsive-legacy-listening .input-wrapper input[type="text"] {
        min-width: 0;
        width: min(170px, calc(100vw - 112px));
    }

    .responsive-legacy-listening .form-table {
        min-width: 620px;
    }

    .responsive-legacy-listening .footer {
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        padding: 8px 10px;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-inline: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .responsive-legacy-listening .palette-container,
    .responsive-legacy-listening .part-active-container,
    .responsive-legacy-listening .q-num-list {
        width: max-content;
        min-width: max-content;
        max-width: none;
        flex: 0 0 auto;
    }

    .responsive-legacy-listening .settings-content {
        width: 100%;
        max-width: 100%;
        padding: 20px 16px;
    }

    .responsive-legacy-listening .exit-modal-content {
        width: calc(100vw - 24px);
        max-width: 400px;
        max-height: calc(100dvh - 24px);
        padding: 24px 18px;
        overflow-y: auto;
    }

    /* ---------------- Reading tests ---------------- */
    body.responsive-reading {
        width: 100%;
        height: 100dvh;
        min-width: 0;
        overflow: hidden;
    }

    .responsive-reading .header {
        position: relative;
        width: 100%;
        height: 60px;
        min-height: 60px;
        padding: 0 12px;
        flex-wrap: nowrap;
        z-index: 1100;
    }

    .responsive-reading .header-left {
        flex: 1 1 auto;
        gap: 8px;
        overflow: hidden;
    }

    .responsive-reading .logo {
        min-width: 0;
        font-size: clamp(1rem, 5vw, 1.25rem);
        white-space: nowrap;
    }

    .responsive-reading .logo-text {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .responsive-reading .test-taker-badge,
    .responsive-reading .desktop-timer,
    .responsive-reading .desktop-only {
        display: none !important;
    }

    .responsive-reading .mobile-timer {
        display: flex !important;
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .responsive-reading .mobile-menu-btn,
    .responsive-reading .global-mobile-menu-btn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        min-width: 44px;
        min-height: 44px;
        padding: 7px 10px;
        border: 0;
        border-radius: 6px;
        background: transparent;
        color: var(--text-main, #222);
        font: inherit;
        font-weight: 700;
        cursor: pointer;
    }

    .responsive-reading .header-right {
        display: none !important;
        position: absolute !important;
        top: 60px !important;
        right: 0 !important;
        left: 0 !important;
        width: 100% !important;
        max-height: calc(100dvh - 60px);
        padding: 12px !important;
        flex-direction: column !important;
        gap: 8px !important;
        overflow-y: auto;
        background: var(--bg-paper, #fff);
        border-bottom: 2px solid var(--brand-color, #a00000);
        box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
        z-index: 1200;
    }

    .responsive-reading .header-right.show,
    .responsive-reading .header-right.mobile-open {
        display: flex !important;
    }

    .responsive-reading .header-right .header-btn {
        display: flex !important;
        width: 100%;
        min-height: 44px;
        justify-content: center;
        font-size: 16px;
    }

    .responsive-reading .main-content {
        width: 100%;
        min-width: 0;
        flex-direction: column !important;
        overflow: hidden;
    }

    .responsive-reading .passage-panel,
    .responsive-reading .questions-panel {
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        flex: 1 1 50% !important;
        padding: 18px !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
    }

    .responsive-reading .passage-panel {
        border-right: 0 !important;
        border-bottom: 1px solid var(--border-color, #ddd);
    }

    .responsive-reading .resizer {
        width: 100% !important;
        min-width: 100% !important;
        height: 14px !important;
        min-height: 14px !important;
        flex: 0 0 14px !important;
        cursor: row-resize !important;
        touch-action: none;
    }

    .responsive-reading #resizerIcon {
        transform: rotate(90deg);
    }

    .responsive-reading input,
    .responsive-reading select,
    .responsive-reading textarea {
        max-width: 100%;
        font-size: 16px !important;
    }

    .responsive-reading input[type="text"],
    .responsive-reading select,
    .responsive-reading textarea {
        min-height: 40px;
    }

    .responsive-reading .fill-blank-item,
    .responsive-reading .fill-text,
    .responsive-reading .question-header,
    .responsive-reading .mcq-option,
    .responsive-reading .checkbox-option,
    .responsive-reading .heading-drop-box {
        min-width: 0;
        max-width: 100%;
        overflow-wrap: anywhere;
    }

    .responsive-reading .inline-input-wrapper,
    .responsive-reading .input-wrapper {
        max-width: 100%;
    }

    .responsive-reading .footer {
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        padding: 8px 10px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        overscroll-behavior-inline: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .responsive-reading .palette-container,
    .responsive-reading .part-active-container,
    .responsive-reading .q-num-list {
        width: max-content !important;
        min-width: max-content !important;
        max-width: none !important;
        flex: 0 0 auto;
    }

    .responsive-reading .p-num,
    .responsive-reading .nav-arrow,
    .responsive-reading .nav-btn,
    .responsive-reading .question-nav button {
        min-width: 38px;
        min-height: 38px;
    }

    .responsive-reading .settings-content {
        width: 100%;
        max-width: 100%;
        padding: 20px 16px !important;
    }

    .responsive-reading .exit-modal-content {
        width: calc(100vw - 24px);
        max-width: 400px;
        max-height: calc(100dvh - 24px);
        padding: 24px 18px;
        overflow-y: auto;
    }
}

@media (max-width: 520px) {
    .responsive-listening > header .exit-btn {
        font-size: 0;
    }

    .responsive-listening > header .exit-btn i {
        font-size: 1rem;
    }

    .responsive-listening > header .header-icon-btn[title="Normal Text"] {
        display: none;
    }

    .responsive-reading .logo i,
    .responsive-reading .test-taker-badge {
        display: none !important;
    }
}

@media (min-width: 901px) {
    .responsive-reading .main-content {
        min-width: 0;
    }

    .responsive-reading .passage-panel,
    .responsive-reading .questions-panel {
        min-width: 280px;
    }
}