/* Mobile practice UI, including the dashboard_topics AJAX fragment. */
@media (max-width: 767.98px) {
    /* Override the legacy 360px page width on small phones. */
    html,
    body,
    .mob-footer-fixed {
        width: 100%;
    }

    .footer-fixed {
        min-width: 0;
    }

    .ind-skill-mobile-item,
    .wk-video-card-column {
        margin-top: 0 !important;
        margin-bottom: 10px !important;
        padding-left: 4px;
        padding-right: 4px;
    }

    .blk-widget-inner.ind-skill-card--compact-mobile {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 38px;
        grid-template-rows: auto 18px;
        gap: 4px 10px;
        align-content: center;
        min-height: 70px;
        height: auto;
        padding: 9px 10px;
        border: 1px solid rgba(255, 255, 255, 0.8);
        border-radius: 17px;
        background: linear-gradient(110deg, #fff6fb, #fff8fc);
        box-shadow: 0 3px 10px rgba(39, 90, 110, 0.09);
        box-sizing: border-box;
    }

    :nth-child(4n + 2) > .ind-skill-card--compact-mobile {
        background: linear-gradient(110deg, #f0fbff, #eaf9ff);
    }

    :nth-child(4n + 3) > .ind-skill-card--compact-mobile {
        background: linear-gradient(110deg, #f2fff9, #ecfcf4);
    }

    :nth-child(4n) > .ind-skill-card--compact-mobile {
        background: linear-gradient(110deg, #fff5fc, #fff0f9);
    }

    .ind-skill-card--compact-mobile::before {
        display: none;
    }

    .blk-widget-inner.ind-skill-card--compact-mobile .ind-skill-title-link {
        grid-column: 1;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-end;
        align-self: end;
        min-width: 0;
        min-height: 0;
        width: auto;
        padding: 0;
        text-align: left;
    }

    .blk-widget-inner.ind-skill-card--compact-mobile .ind-skill-title {
        min-height: 0;
        margin: 0;
        color: #080d35;
        font-size: 15px;
        font-weight: 700;
        line-height: 1.2;
        text-align: left;
        overflow-wrap: anywhere;
    }

    /* Flatten the existing action wrappers so stars sit below the title. */
    .blk-widget-inner.ind-skill-card--compact-mobile .footer-widget.ind-skill-actions--single,
    .blk-widget-inner.ind-skill-card--compact-mobile .ind-skill-slot--practice {
        display: contents;
    }

    .blk-widget-inner.ind-skill-card--compact-mobile .ind-skill-slot--practice .ind-skill-stars {
        grid-column: 1;
        grid-row: 2;
        position: static;
        display: inline-flex;
        align-items: center;
        justify-content: flex-start;
        justify-self: start;
        align-self: start;
        width: max-content;
        min-height: 18px;
        gap: 5px;
        margin: 0;
        padding: 0;
        transform: none;
    }

    .ind-skill-card--compact-mobile .ind-skill-star {
        width: 18px;
        height: 18px;
    }

    .blk-widget-inner.ind-skill-card--compact-mobile .ind-skill-action--explore {
        grid-column: 2;
        grid-row: 1 / 3;
        position: relative;
        align-self: center;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        min-width: 38px;
        max-width: 38px !important;
        height: 38px;
        min-height: 38px;
        margin: 0 !important;
        padding: 0;
        border: 0;
        border-radius: 50%;
        background: #0066ff !important;
        color: #fff !important;
        box-shadow: 0 3px 8px rgba(0, 102, 255, 0.2);
        font-size: 0;
        text-decoration: none;
        animation: none;
        transform: none;
    }

    /* CSS arrow also covers assignment links that have no icon markup. */
    .ind-skill-card--compact-mobile .ind-skill-action--explore::before {
        content: "";
        position: absolute;
        width: 17px;
        height: 2px;
        background: currentColor;
        border-radius: 2px;
    }

    .ind-skill-card--compact-mobile .ind-skill-action--explore::after {
        content: "";
        position: absolute;
        width: 10px;
        height: 10px;
        margin-left: 6px;
        border-top: 2px solid currentColor;
        border-right: 2px solid currentColor;
        transform: rotate(45deg);
    }

    .ind-skill-card--compact-mobile .ind-skill-explore-arrow {
        display: none;
    }

    /* Keep Start/Continue available to assistive technology. */
    .ind-skill-card--compact-mobile .ind-skill-explore-label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

    .ind-skill-card--compact-mobile .ind-skill-action--explore:focus-visible {
        outline: 3px solid #183b89;
        outline-offset: 3px;
    }

    /* Compact topic chooser, shared with both dashboard_topics curricula. */
    .sharpen-heading,
    .sharpen-topic-button,
    #mission-board .wk-section-heading,
    .wk-mission-item {
        font-family: "Inter", sans-serif;
        text-shadow: none;
        letter-spacing: normal;
    }

    .sharpen-heading.dashboard-heading {
        row-gap: 7px !important;
        padding-bottom: 6px;
    }

    .sharpen-heading .sharpen-heading-copy {
        order: 0;
        width: 100%;
        gap: 10px;
        align-items: center;
    }

    .sharpen-heading .sharpen-heading-icon,
    .topic-mobile-category-heading .sharpen-heading-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 22px;
        box-shadow: 0 3px 8px #2599ff26;
    }

    .sharpen-heading .topic-desktop-title {
        display: none;
    }

    .sharpen-heading .topic-mobile-title {
        display: block !important;
        color: #080d35;
        font-size: clamp(21px, 6vw, 25px);
        font-weight: 800;
        line-height: 1.1;
    }

    .sharpen-heading .topic-mobile-subtitle {
        display: block !important;
        margin-top: 2px;
        color: #77769a;
        font-size: 15px;
        line-height: 1.15;
        font-weight: 400;
    }

    .sharpen-heading .topic-mobile-guest-note {
        order: 1;
        width: 100%;
        padding: 4px 7px;
        border-radius: 5px;
        background: #e3f1ff;
        color: #0066dd;
        font-size: 10px !important;
        font-weight: 400;
        line-height: 1.35;
    }

    .topic-mobile-note-icon {
        display: inline-block !important;
        margin-right: 5px;
        font-size: 14px;
    }

    .topic-mobile-guide {
        order: 2;
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
        padding: 9px 5px;
        border: 1px solid #d9ebff;
        border-radius: 10px;
        background: linear-gradient(110deg, #f5faff, #fff);
        text-align: left;
    }

    .topic-mobile-guide-item {
        display: flex;
        align-items: flex-start;
        gap: 5px;
        min-width: 0;
        padding: 0 3px;
        line-height: 1.2;
        font-weight: 400;
    }

    .topic-mobile-guide-item + .topic-mobile-guide-item {
        border-left: 1px solid #d8e9fa;
    }

    .topic-mobile-guide-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 30px;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        font-size: 18px;
    }

    .topic-mobile-guide-icon--started { color: #087cff; background: #e1f0ff; }
    .topic-mobile-guide-icon--stars { color: #00af76; background: #dcfce9; }
    .topic-mobile-guide-icon--perfect { color: #ff6700; background: #fff4df; }
    .topic-mobile-guide-item:nth-child(1) strong { color: #087cff; }
    .topic-mobile-guide-item:nth-child(2) strong { color: #00a96a; }
    .topic-mobile-guide-item:nth-child(3) strong { color: #f76b00; }

    .topic-mobile-guide-item strong {
        display: block;
        font-size: 10px;
        line-height: 1.3;
    }

    .topic-mobile-guide-item small {
        display: block;
        color: #535575;
        font-size: 8px;
        line-height: 1.2;
    }

    .sharpen-heading .sharpen-curriculum-select,
    #mission-board .wk-curriculum-select {
        order: 3;
        display: flex;
        flex-direction: row;
        align-items: center;
        width: 100%;
        min-width: 0;
        gap: 8px;
        margin: 0;
    }

    .sharpen-heading .sharpen-curriculum-select label,
    #mission-board .wk-curriculum-select label {
        flex: 0 0 76px;
        margin: 0;
        font-size: 12px;
        font-weight: 700;
        color: #68698c;
        text-transform: none;
        letter-spacing: normal;
    }

    .sharpen-heading .sharpen-curriculum-select select,
    #mission-board .wk-curriculum-select select {
        flex: 1;
        width: 0;
        min-width: 0;
        height: 30px;
        padding: 0 24px 0 9px;
        border: 1px solid #e2e5ee;
        border-radius: 6px;
        font-size: 12px;
        font-weight: 700;
    }

    .topic-mobile-accordion {
        margin-bottom: 8px !important;
    }

    .sharpen-panel { gap: 0; }

    .sharpen-topic-item .sharpen-topic-button {
        position: relative;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(70px, 1.5fr);
        grid-template-rows: minmax(28px, auto) 25px;
        align-items: center;
        gap: 5px 6px;
        min-height: 74px;
        padding: 8px 46px 8px 26px;
        border-radius: 17px !important;
    }

    .sharpen-topic-button .sharpen-topic-left,
    .sharpen-topic-button .sharpen-topic-copy,
    .sharpen-topic-button .sharpen-topic-title-row,
    .sharpen-topic-button .sharpen-topic-right,
    .sharpen-topic-button .sharpen-topic-metrics {
        display: contents;
    }

    .sharpen-topic-button .sharpen-topic-icon {
        position: absolute;
        left: 8px;
        top: 8px;
        width: 26px;
        height: 26px;
        border-radius: 8px;
        font-size: 17px;
        color: #075fb6;
        background: #ffffff55;
        box-shadow: none;
    }

    .sharpen-topic-button .sharpen-topic-title {
        grid-row: 1;
        grid-column: 1 / -1;
        min-width: 0;
        margin: 0 -10px 0 19px;
        padding: 0;
        font-size: 16px;
        font-weight: 800;
        line-height: 1.05;
        color: #080d35;
        overflow-wrap: anywhere;
    }

    .sharpen-topic-button .sharpen-topic-right .sharpen-topic-metric {
        grid-row: 2;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        min-width: 0;
        height: 25px;
        min-height: 25px;
        padding: 2px 4px;
        border: 1px solid #ffffff88;
        border-radius: 999px;
        box-shadow: none;
    }

    .sharpen-topic-button .sharpen-topic-metric--started { grid-column: 1; background: #e3f2ff; color: #087cff; }
    .sharpen-topic-button .sharpen-topic-metric--stars { grid-column: 2; background: #dcfce9; color: #00af76; }
    .sharpen-topic-button .sharpen-topic-metric--perfect { grid-column: 3; background: #fff4df; color: #ff6700; }

    .sharpen-topic-button .sharpen-topic-right .sharpen-topic-metric i {
        width: auto;
        min-width: 0;
        flex: 0 0 auto;
        font-size: 16px;
    }

    .sharpen-topic-button .sharpen-topic-right .sharpen-topic-metric > .data_num_mob {
        display: none !important;
    }

    .sharpen-topic-button .sharpen-topic-right .sharpen-topic-metric > .data_num {
        display: inline !important;
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

    .sharpen-topic-button .sharpen-topic-fastest {
        grid-row: 2;
        grid-column: 4;
        width: 100%;
        height: 25px;
        padding: 0 6px;
        border: 0;
        border-radius: 999px;
        background: #fff8ef;
        box-shadow: none;
    }

    .sharpen-topic-fastest img { display: none; }

    .sharpen-topic-fastest .topic-speed-label {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        gap: 5px;
        color: #182654;
        font-size: 8px;
        font-weight: 700;
        white-space: nowrap;
    }

    .topic-speed-label i,
    .topic-mobile-speed i { color: #ffc000; font-size: 18px; }

    .sharpen-topic-button .sharpen-topic-chevron {
        position: absolute;
        top: 9px;
        right: 8px;
        width: 28px;
        height: 28px;
        border: 0;
        background: #ffffffb3;
        color: #163758;
        box-shadow: none;
        font-size: 12px;
    }

    .sharpen-topic-item .accordion-body,
    .wk-mission-item .wk-mission-body {
        padding: 8px 6px 12px;
    }

    .sharpen-topic-item.is-open .sharpen-topic-button,
    .sharpen-topic-item.is-closing .sharpen-topic-button,
    .wk-mission-item.is-open .wk-mission-toggle,
    .wk-mission-item.is-closing .wk-mission-toggle {
        border-bottom-left-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
    }

    .sharpen-topic-item.is-open,
    .sharpen-topic-item.is-closing {
        background: var(--sharpen-card-bg, #f2f5fb);
        border-radius: 17px;
    }

    .sharpen-topic-item .accordion-body {
        background: var(--sharpen-card-bg, #f2f5fb);
        border-radius: 0 0 17px 17px;
    }

    .wk-mission-item .wk-mission-body,
    .wk-mission-item.is-open .wk-mission-toggle {
        background: var(--mission-accent);
    }

    .wk-mission-body > .row { --bs-gutter-x: 8px; }

    #mission-board .wk-section-heading {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 7px;
    }

    #mission-board .wk-section-heading-copy { display: none; }

    #mission-board .topic-mobile-category-heading {
        display: flex !important;
        order: 0;
        align-items: center;
        width: 100%;
        gap: 10px;
    }

    .topic-mobile-category-heading .sharpen-heading-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 44px;
        background: linear-gradient(135deg, #22d8ea, #248dff);
        color: #fff;
    }

    .topic-mobile-category-heading strong {
        display: block;
        color: #080d35;
        font-size: 24px;
        font-weight: 800;
        line-height: 1.1;
    }

    .topic-mobile-category-heading > div > span {
        display: block;
        color: #77769a;
        font-size: 15px;
        line-height: 1.2;
    }

    #wkMissionAccordion { gap: 8px; }

    .wk-mission-item.accordion-item {
        position: relative;
        border: 0;
        border-radius: 17px;
        background: var(--mission-accent);
    }

    .wk-mission-item .accordion-header { position: relative; }

    .wk-mission-item .wk-mission-toggle {
        min-height: 74px;
        padding: 8px 8px 37px;
        gap: 9px;
        background: var(--mission-accent);
        border-radius: 17px;
    }

    .wk-mission-item .wk-mission-badge {
        flex-basis: 26px;
        width: 26px;
        height: 26px;
        color: #075fb6;
        background: #ffffff55;
        box-shadow: none;
        border-radius: 8px;
        font-size: 0;
    }

    .wk-mission-item .wk-mission-badge::before {
        content: "\f1ec";
        font-family: "Font Awesome 6 Free", "Font Awesome 5 Free";
        font-weight: 900;
        font-size: 17px;
    }

    .wk-mission-item .wk-mission-name {
        font-size: 16px;
        line-height: 1.05;
        color: #080d35;
    }

    .wk-mission-item .wk-mission-meta,
    .wk-mission-item .wk-progress-dots { display: none; }
    .wk-mission-item .wk-mission-right { margin-left: 0; }
    .wk-mission-item .wk-toggle-circle { width: 28px; height: 28px; border: 0; background: #ffffffb3; }

    .wk-mission-item .wk-toggle-circle::before {
        width: 8px;
        height: 8px;
        margin-top: -2px;
        border-right: 2px solid #163758;
        border-bottom: 2px solid #163758;
        background: transparent;
        border-radius: 0;
        transform: translate(-50%, -50%) rotate(45deg);
    }

    .wk-mission-item .wk-toggle-circle::after { display: none; }
    .wk-mission-item.is-open .wk-toggle-circle { transform: rotate(180deg); }

    .wk-mission-item .topic-mobile-mission-actions {
        position: absolute;
        bottom: 8px;
        left: 26px;
        right: 46px;
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(70px, 1.5fr);
        align-items: center;
        gap: 6px;
        height: 25px;
        z-index: 7;
    }

    .topic-mobile-mission-actions .topic-mobile-metric,
    .topic-mobile-mission-actions .topic-mobile-speed {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
        width: 100%;
        min-width: 0;
        height: 25px;
        padding: 2px 4px;
        border: 1px solid #ffffff88;
        border-radius: 999px;
        font-size: 16px;
        text-decoration: none;
    }

    .topic-mobile-metric--started { background: #e3f2ff; color: #087cff; }
    .topic-mobile-metric--stars { background: #dcfce9; color: #00af76; }
    .topic-mobile-metric--perfect { background: #fff4df; color: #ff6700; }
    .topic-mobile-mission-actions .topic-mobile-speed { background: #fff8ef; color: #182654; font-size: 8px; font-weight: 700; white-space: nowrap; }

    @media (max-width: 340px) {
        .topic-mobile-guide-icon { flex-basis: 24px; width: 24px; height: 24px; font-size: 16px; }
        .topic-mobile-guide-item { gap: 3px; padding: 0 2px; }
    }
}