/* States */

.state-background.is-target {
    background: var(--target);
}

.state-background.is-incorrect {
    background: var(--incorrect);
}

.state-background.is-correct {
    background: var(--correct);
}

/* Practice layout */

.practice {
    width: max-content;
    max-width: 100%;

    margin-top: 17px;

    display: grid;
    row-gap: var(--practice-row-gap);

    align-items: start;
}

.practice-content-column,
.practice-content-column-2,
.practice-content-column-3,
.practice-content-column-4 {
    max-width: 100%;
}

.practice-content-column {
    width: var(--control-width);
}

.practice-content-column-2 {
    width: calc(var(--field-width) + var(--column-gap) + var(--control-width));
}

.practice-content-column-3 {
    width: calc(
        var(--field-width) + var(--column-gap) + var(--field-width) +
            var(--column-gap) + var(--control-width)
    );
}

.practice-content-column-4 {
    width: calc(
        var(--field-width) + var(--column-gap) + var(--field-width) +
            var(--column-gap) + var(--field-width) + var(--column-gap) +
            var(--control-width)
    );
}

.practice-content-column-2 input,
.practice-content-column-2 select,
.practice-content-column-2 textarea,
.practice-content-column-2 button,
.practice-content-column-3 input,
.practice-content-column-3 select,
.practice-content-column-3 textarea,
.practice-content-column-3 button,
.practice-content-column-4 input,
.practice-content-column-4 select,
.practice-content-column-4 textarea,
.practice-content-column-4 button {
    width: 100%;
    max-width: 100%;
}

.practice-buttons {
    width: var(--control-width);
    max-width: 100%;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--button-gap);

    align-items: center;
}

.practice > .practice-buttons [data-action$='-play'] {
    grid-column: 1;
}

.practice > .practice-buttons [data-action$='-stop'] {
    grid-column: 2;
}

.practice > .practice-buttons [data-action$='-new'] {
    grid-column: 3;
}

.practice-buttons .icon-button {
    width: 100%;
    min-width: 0;
}

.auto-refresh {
    position: relative;
    overflow: hidden;
}

.auto-refresh::before {
    content: '';

    position: absolute;
    inset: 0;

    background: rgb(255 255 255 / 16%);

    transform: scaleX(0);
    transform-origin: right center;
}

.auto-refresh > span {
    position: relative;
    z-index: 1;
}

.auto-refresh.is-counting-down::before {
    animation: refresh-countdown 3s linear forwards;
}

@keyframes refresh-countdown {
    from {
        transform: scaleX(1);
    }

    to {
        transform: scaleX(0);
    }
}

.practice-guide {
    width: min(430px, 100%);

    margin-top: 24px;

    color: #bbb;
}

.practice-guide summary {
    width: max-content;

    color: var(--text);

    cursor: pointer;
}

.practice-guide p {
    margin: 8px 0;

    line-height: 1.4;
}

.practice-status {
    min-height: 32px;
    margin: 0 0 8px;

    display: flex;
    align-items: center;

    color: #bbb;
    line-height: 1.4;
}

.practice-note {
    margin: -4px 0 8px;

    color: var(--muted);

    font-size: 12px;
}

.practice input[type='range'] {
    display: block;
    width: 100%;
    height: 32px;
    margin: 0 0 6px;
}

.response-actions {
    display: flex;
    gap: var(--button-gap);
}

.response-actions button {
    flex: 1;
}

.practice-responses {
    display: grid;
    row-gap: var(--button-gap);
}

.practice-row {
    min-width: 0;
    min-height: 32px;

    display: grid;
    grid-template-columns: var(--control-width) max-content;
    column-gap: var(--practice-detail-gap);

    align-items: center;
}

/* Practice results */

.practice-result {
    min-width: 0;

    font-size: 13px;
    white-space: nowrap;
}

.practice-result.is-correct {
    color: var(--correct);
}

.practice-result.is-incorrect {
    color: var(--incorrect);
}

.practice-result.is-target {
    color: var(--target);
}

.practice > .practice-result {
    margin: 0;
}

.practice-result:empty {
    display: none;
}

.result-icon {
    display: inline-block;

    width: 1.4em;

    margin-right: 3px;

    font-weight: 700;
    text-align: center;
}

.played-notes {
    margin-top: 4px;

    color: var(--text);
}

/* Result groups */

.practice-results {
    min-width: 0;

    color: inherit;

    font-size: 13px;
    line-height: 18px;
}

.practice-results > p,
.practice-results > dl,
.practice-results > ul {
    margin-block: 0;
}

.practice-results > ul {
    padding-left: 20px;
}

.practice-results > :not(:first-child) {
    margin-top: var(--practice-row-gap);
}

.practice-results > dl > div {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.practice-results dt::after {
    content: ':';
}

.practice-results dd {
    margin: 0;
}

/* Stats */

.practice-stats {
    width: max-content;
    max-width: 100%;
    min-width: 0;

    margin: 0;

    color: #bbb;

    font-size: 13px;
    line-height: 18px;

    white-space: nowrap;
}

.practice-stats,
.practice-results,
.practice-result {
    font-variant-numeric: tabular-nums;
}

.practice-stats > div {
    display: flex;
    align-items: baseline;

    gap: 4px;
}

.practice-stats > .adaptive-status-row:has(dd:empty) {
    display: none;
}

.practice-stats:empty {
    display: none;
}

.practice-stats dt,
.practice-stats dd {
    margin: 0;
}

.practice-stats dt::after {
    content: ':';
}

.practice-stats dd {
    color: var(--text);
    font-weight: 600;
}

.stats-with-action dd {
    display: flex;
    align-items: baseline;

    gap: 8px;
}

.link-button {
    height: auto;
    min-height: 0;

    padding: 0;

    border: 0;

    background: transparent;
    color: var(--muted);

    font-size: 12px;
    line-height: inherit;

    text-decoration: underline;
}

@media (hover: hover) {
    .link-button:hover:not(:disabled) {
        background: transparent;
        color: var(--text);
    }
}

/* Answers */

.answer-option.is-correct {
    border-color: var(--correct-border);
    background: var(--correct-background);
    color: var(--correct-emphasis);
}

.answer-option.is-incorrect {
    border-color: var(--incorrect-border);
    background: var(--incorrect-background);
    color: var(--incorrect-emphasis);
}

.answer-option.is-target {
    border-color: var(--target-border);
    background: var(--target-background);
    color: var(--target);
}

.answer-option.is-correct:disabled,
.answer-option.is-incorrect:disabled,
.answer-option.is-target:disabled {
    opacity: 1;
}

.answer-options {
    width: var(--control-width);
    max-width: 100%;
}

.segmented-answers {
    display: flex;

    border: 1px solid var(--border);
    border-radius: var(--border-radius);

    overflow: hidden;
}

.segmented-answers button {
    flex: 1;

    min-width: 0;
    height: 32px;

    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 0;

    background: #222;
}

.segmented-answers button + button {
    border-left: 1px solid var(--border);
}

.answer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: var(--button-gap);
}

.answer-grid button {
    min-width: 0;

    padding-inline: 7px;
}

.answer-prompt {
    line-height: 1.4;
}

.answer-list {
    display: grid;
    row-gap: 5px;
}

.answer-actions {
    width: var(--control-width);
    max-width: 100%;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--button-gap);
}

.answer-actions .icon-button {
    width: 100%;
    min-width: 0;
}

.answer-play {
    grid-column: 1;
}

.answer-select {
    grid-column: 2 / 4;

    width: 100%;
    min-width: 0;
    height: 32px;

    padding: 0 7px;

    white-space: nowrap;
}

@media (max-width: 800px) {
    .practice-content-column-3,
    .practice-content-column-4 {
        width: calc(
            var(--field-width) + var(--column-gap) + var(--control-width)
        );
    }
}

@media (max-width: 560px) {
    .practice {
        width: 100%;
    }

    .practice-row {
        grid-template-columns: var(--control-width) minmax(0, 1fr);
    }

    .practice-content-column-2,
    .practice-content-column-3,
    .practice-content-column-4 {
        width: 100%;
    }

    .practice-result {
        white-space: normal;

        overflow-wrap: anywhere;
    }
}

@media (max-width: 340px) {
    .practice-content-column-3,
    .practice-content-column-4 {
        width: 100%;
    }
}