:root {
    color-scheme: light;
    --background: #f8f8f5;
    --text: #171717;
    --muted: #62625d;
    --border: #deded7;
    --accent: #111111;
    --accent-text: #ffffff;
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 18px;
    line-height: 1.6;
}

.page {
    width: min(760px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0;
}

.intro {
    min-height: 70vh;
    display: grid;
    align-content: center;
}

.topnav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 56px;
}

.topnav a,
.nav-user {
    color: var(--text);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
}

.nav-user {
    color: var(--muted);
}

.nav-form {
    margin: 0;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    max-width: 680px;
    margin: 0;
    font-size: clamp(42px, 8vw, 76px);
    line-height: 0.96;
}

.term-list-title {
    margin: 0 0 24px;
    font-size: 28px;
    line-height: 1.15;
    font-weight: 650;
}

.page-header {
    margin: 0 0 32px;
    text-align: center;
}

.page-header .term-list-title {
    margin-bottom: 8px;
}

.page-header p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.lede {
    max-width: 620px;
    margin: 24px 0 32px;
    color: var(--muted);
    font-size: 22px;
}

.button {
    border: 0;
    width: fit-content;
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-text);
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    padding: 12px 18px;
    text-decoration: none;
}

.button-secondary {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
}

.button-action {
    background: #1f7a3f;
    color: #ffffff;
}

.button-action:focus,
.button-action:hover {
    background: #176232;
    outline-color: #1f7a3f;
}

.button-stop {
    background: #b42318;
    color: #ffffff;
}

.button-stop:focus,
.button-stop:hover {
    background: #8f1d14;
    outline-color: #b42318;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button:focus,
.button:hover {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.term-form {
    margin: 32px 0;
}

.control-panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.42);
    margin: 20px 0;
    padding: 18px;
}

.control-panel h2 {
    margin: 0 0 14px;
    font-size: 20px;
    line-height: 1.2;
}

.control-panel-title {
    display: block;
    margin: 0 0 14px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.control-panel-help {
    margin: -6px 0 14px;
    color: var(--muted);
    font-size: 15px;
}

.term-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 700;
}

.term-form-row {
    display: flex;
    gap: 12px;
}

.term-form input,
.term-form textarea {
    min-width: 0;
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    padding: 11px 12px;
}

.term-form textarea {
    width: 100%;
    resize: vertical;
}

.term-form textarea::placeholder {
    color: var(--muted);
    opacity: 0.62;
}

.term-filter-form {
    margin: 28px 0 0;
}

.term-filter-form.control-panel {
    margin: 20px 0;
}

.term-filter-form .term-form-row {
    align-items: center;
    flex-wrap: wrap;
}

.term-filter-form label {
    display: grid;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
}

.term-filter-form input,
.term-filter-form select {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    padding: 11px 12px;
}

.filter-search-field {
    flex: 1 1 300px;
}

.filter-search-field input,
.filter-scope-field select {
    width: 100%;
}

.filter-scope-field {
    flex: 0 1 170px;
}

.term-filter-form .button {
    flex: 0 0 auto;
}

.selected-words-panel {
    margin-bottom: 18px;
}

.selected-words-actions {
    display: grid;
    grid-template-columns: auto minmax(180px, 1fr) auto;
    gap: 12px;
    align-items: center;
}

.selected-words-actions label {
    margin: 0;
}

.selected-words-actions input {
    min-width: 0;
}

.bulk-preview h3 {
    margin: 18px 0 10px;
    font-size: 17px;
}

.bulk-preview-fields {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bulk-preview-fields label,
.bulk-term-preview-list label {
    display: grid;
    gap: 6px;
    font-size: 15px;
    font-weight: 700;
}

.bulk-preview-fields input,
.bulk-preview-fields select,
.bulk-term-preview-list input {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    padding: 9px 10px;
}

.bulk-preview-issues {
    border: 1px solid #e7b4b4;
    border-radius: 6px;
    background: #fff7f7;
    margin: 0 0 16px;
    padding: 12px;
}

.bulk-preview-issues h3 {
    margin-top: 0;
    color: #9d1c1c;
}

.bulk-preview-issues ul {
    margin: 0;
    padding-left: 1.2em;
}

.bulk-term-preview-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding-left: 1.4em;
}

.bulk-term-preview-list li {
    border-top: 1px solid var(--border);
    display: grid;
    gap: 10px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    padding-top: 12px;
}

.stacked-form {
    display: grid;
    gap: 18px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.set-mode-fieldset {
    border: 0;
    margin: 0;
    padding: 0;
}

.set-mode-options {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.term-form .set-mode-card {
    align-items: center;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 16px;
}

.term-form .set-mode-card:hover,
.term-form .set-mode-card:has(input:checked) {
    border-color: var(--accent);
}

.term-form .set-mode-card:has(input:checked) {
    background: rgba(255, 255, 255, 0.65);
}

.term-form .set-mode-card:has(input:focus-visible) {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

.term-form .set-mode-card input[type="radio"] {
    accent-color: var(--accent);
    flex: 0 0 auto;
    height: 18px;
    margin: 0;
    min-width: 18px;
    padding: 0;
    width: 18px;
}

.workflow-summary {
    align-items: flex-start;
    display: flex;
    gap: 18px;
    justify-content: space-between;
}

.workflow-summary p {
    margin: 4px 0 0;
}

.workflow-summary .message {
    margin-top: 10px;
}

.choice-field {
    border: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
    margin: 12px 0 0;
    padding: 0;
}

.choice-field legend {
    float: left;
    margin: 0;
    font-size: 16px;
    font-weight: 700;
}

.choice-field div {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.choice-field label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    font-weight: 700;
}

.choice-field input[type="radio"] {
    appearance: auto;
    width: 16px;
    height: 16px;
    min-width: 16px;
    margin: 0;
    padding: 0;
    accent-color: var(--accent);
}

.term-reference {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 28px 0 32px;
    padding: 18px 0;
}

.term-reference h2 {
    margin: 0 0 14px;
    font-size: 24px;
    line-height: 1.2;
}

.term-reference dl {
    display: grid;
    gap: 16px;
    margin: 0;
}

.term-reference dt {
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
}

.term-reference dd {
    margin: 4px 0 0;
}

.term-reference ul {
    margin: 4px 0 0;
    padding-left: 1.2em;
}

.lookup-result-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lookup-empty-state {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
}

.lookup-empty-state p {
    margin: 0;
}

.practice-page h1 {
    margin: 0 0 24px;
    font-size: 28px;
    line-height: 1.15;
    font-weight: 650;
    text-align: center;
}

.practice-setup {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.42);
    margin: 24px 0;
    max-width: 640px;
    padding: 20px;
}

.practice-choice-list {
    display: grid;
    gap: 12px;
}

.practice-choice-row {
    display: grid;
    grid-template-columns: 128px 58px minmax(0, 1fr) 76px;
    gap: 10px;
    align-items: center;
}

.practice-choice-row label,
.count-label {
    color: var(--text);
    font-size: 16px;
    font-weight: 700;
}

.practice-choice-row select {
    grid-column: 2 / 4;
}

.practice-choice-row input,
.practice-choice-row select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    font-size: 15px;
    padding: 9px 10px;
}

.practice-choice-row .count-label {
    justify-self: end;
}

.practice-choice-row input[type="number"] {
    max-width: 120px;
}

.go-button {
    width: 76px;
    text-align: center;
}

.session-summary {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 15px;
    font-weight: 700;
    text-align: center;
}

.practice-empty-state {
    margin: 16px 0 0;
    color: var(--muted);
    text-align: center;
}

.practice-task-list {
    margin: 8px 0 0;
}

.practice-task {
    margin: 0;
    padding: 8px 0 14px;
}

.practice-task details {
    margin: 0;
}

.practice-task summary {
    cursor: pointer;
    display: flex;
    gap: 10px;
    align-items: center;
    color: var(--text);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
    list-style: none;
}

.practice-task summary::-webkit-details-marker {
    display: none;
}

.practice-task summary::before {
    content: "▶";
    color: var(--muted);
    flex: 0 0 auto;
    font-size: 11px;
    line-height: 1;
    transform: translateY(1px);
}

.practice-task details[open] summary::before {
    content: "▼";
}

.practice-response {
    width: calc(100% - 24px);
    min-height: 3.1rem;
    margin: 8px 0 0 24px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 9px;
    background: rgba(255, 255, 255, 0.55);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    line-height: 1.3;
    resize: vertical;
}

.practice-response::placeholder {
    color: var(--muted);
    opacity: 0.72;
}

.standard-feedback {
    display: none;
    margin: 10px 0 2px 24px;
    padding-top: 6px;
}

.practice-task details[open] ~ .standard-feedback {
    display: block;
}

.standard-feedback h2 {
    margin: 0 0 7px;
    font-size: 15px;
    font-weight: 650;
}

.standard-box {
    display: grid;
    gap: 5px;
    width: min(360px, 100%);
    margin: 0 0 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.45);
    color: var(--muted);
    font-size: 13px;
}

.standard-box label {
    display: inline-flex;
    gap: 6px;
    align-items: center;
}

.standard-feedback p,
.standard-examples {
    max-width: 640px;
    font-size: 14px;
}

.standard-feedback p {
    margin: 0;
}

.standard-examples {
    margin: 8px 0 0;
    padding-left: 1.2em;
}

.form-error,
.message {
    margin: 12px 0 0;
    font-size: 16px;
}

.form-error,
.message-error {
    color: #9d1c1c;
}

.message-success {
    color: #1f6f3d;
}

.existing-term-review {
    border-top: 1px solid var(--border);
    margin: 32px 0;
    padding-top: 24px;
}

.existing-term-review h2,
.existing-term-review h3 {
    margin: 0 0 8px;
}

.existing-term-list {
    margin: 20px 0;
    padding-left: 1.4em;
}

.existing-term-list > li {
    border-top: 1px solid var(--border);
    padding: 16px 0;
}

.bulk-duplicate-list {
    margin: 18px 0 0;
    padding-left: 1.4em;
}

.bulk-duplicate-list > li {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}

.bulk-duplicate-heading {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bulk-duplicate-heading h3,
.existing-term-match h4 {
    margin: 0;
}

.status-label {
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    padding: 4px 8px;
}

.existing-term-matches {
    display: grid;
    gap: 12px;
    margin: 14px 0;
}

.existing-term-match {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
}

.existing-term-match p {
    margin: 8px 0 0;
}

.review-definitions-text {
    min-width: 0;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    padding: 11px 12px;
    resize: vertical;
}

.text-button {
    border: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    padding: 0;
    text-decoration: underline;
}

.text-button:focus,
.text-button:hover {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.feedback {
    border-top: 1px solid var(--border);
    margin-top: 28px;
    padding-top: 24px;
}

.feedback h2,
.feedback h3 {
    margin: 0 0 8px;
}

.feedback-section {
    border-top: 1px solid var(--border);
    margin-top: 20px;
    padding-top: 18px;
}

.overall-score,
.target-score {
    font-weight: 700;
}

.checklist {
    list-style: none;
    margin: 12px 0;
    padding: 0;
}

.term-list {
    margin: 32px 0 0;
    padding-left: 1.4em;
}

.available-sets-panel .term-list {
    margin-top: 8px;
}

.term-list li {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}

.term-list li:last-child {
    border-bottom: 1px solid var(--border);
}

.term-set-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
}

.term-set-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.term-selection-form {
    margin-top: 32px;
}

.term-selection-form .term-list {
    margin-top: 14px;
}

.term-selection {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    align-items: flex-start;
    gap: 12px;
}

.term-selection input[type="checkbox"] {
    appearance: auto;
    align-self: start;
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin: 8px 0 0;
    border: 1px solid var(--muted);
    border-radius: 4px;
    padding: 0;
    background: #ffffff;
    accent-color: var(--accent);
    flex: none;
}

.term-context {
    color: var(--muted);
}

.term-edit-link {
    color: var(--text);
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    margin-left: 8px;
}

.review-term {
    display: grid;
    gap: 14px;
}

.review-term p {
    margin: 8px 0 0;
}

.term-owner {
    color: var(--muted);
    font-size: 15px;
    font-weight: 700;
}

.pronounce-button {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    margin: 0 4px;
    padding: 5px 7px;
    vertical-align: middle;
}

.pronounce-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.pronounce-button:focus,
.pronounce-button:hover:not(:disabled) {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (max-width: 640px) {
    .set-mode-options {
        grid-template-columns: 1fr;
    }

    .term-form-row,
    .selected-words-actions,
    .bulk-preview-fields,
    .bulk-term-preview-list li {
        display: grid;
        grid-template-columns: 1fr;
    }

    .practice-choice-row {
        grid-template-columns: 1fr;
    }

    .practice-choice-row .count-label {
        justify-self: start;
    }

    .practice-choice-row input[type="number"] {
        max-width: none;
    }

    .go-button {
        width: 100%;
    }

    .term-set-row {
        grid-template-columns: 1fr;
    }

    .term-set-actions {
        justify-content: flex-start;
    }
}