/*
 * Assignments
 *
 * Product UI for /main/assignments: queue filters, dense results, and the
 * create/edit form. Keep this module restrained and task-focused.
 */

  .assignment-index {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-block-start: 1.5rem;
  }

  .assignment-index__header {
    display: grid;
    gap: 1rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }

  .assignment-index__heading {
    min-inline-size: 0;
  }

  .assignment-index__eyebrow,
  .assignment-editor__eyebrow {
    margin: 0 0 0.35rem;
    color: var(--color-ink-lighter);
    font-size: var(--text-small);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0;
  }

  .assignment-index__title,
  .assignment-editor__title {
    margin: 0;
    color: var(--color-ink);
    font-size: var(--text-large);
    font-weight: 700;
    line-height: 1.15;
    overflow-wrap: anywhere;
  }

  .assignment-index__description,
  .assignment-editor__copy {
    max-inline-size: 68ch;
    margin: 0.5rem 0 0;
    color: var(--color-ink-light);
    font-size: var(--text-small);
    line-height: 1.45;
  }

  .assignment-index__guide,
  .assignment-search__scope-note {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    min-inline-size: 0;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface-muted);
    color: var(--color-ink-light);
    font-size: var(--text-small);
    line-height: 1.35;
  }

  .assignment-index__guide p {
    margin: 0;
  }

  .assignment-index__guide-icon,
  .assignment-search__scope-icon,
  .assignment-row__meta-icon {
    display: inline-flex;
    flex: 0 0 auto;
    color: rgb(var(--palette-blue-700));
  }

  .assignment-index__guide-icon .icon,
  .assignment-search__scope-icon .icon,
  .assignment-row__meta-icon .icon {
    inline-size: 1rem;
    block-size: 1rem;
  }

  .assignment-search {
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }

  .assignment-search__controller,
  .assignment-search__form,
  .assignment-search__query-row,
  .assignment-search__query-wrap {
    inline-size: 100%;
  }

  .assignment-search__header {
    display: grid;
    gap: 0.875rem;
    margin-block-end: 1rem;
    padding-block-end: 1rem;
    border-block-end: 1px solid var(--color-border);
  }

  .assignment-search__title,
  .assignment-table__title,
  .assignment-form__section-title {
    margin: 0;
    color: var(--color-ink);
    font-size: var(--text-medium);
    font-weight: 700;
    line-height: 1.2;
    overflow-wrap: anywhere;
  }

  .assignment-search__description,
  .assignment-table__description,
  .assignment-form__section-text,
  .assignment-form__field-help {
    max-inline-size: 64ch;
    margin: 0.35rem 0 0;
    color: var(--color-ink-light);
    font-size: var(--text-small);
    line-height: 1.45;
  }

  .assignment-search__query-row {
    display: flex;
  }

  .assignment-search__query-wrap {
    position: relative;
    color: var(--color-ink-lighter);
  }

  .assignment-search__query-wrap:focus-within {
    color: var(--color-ink-light);
  }

  .assignment-search__query-prefix {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0.5rem;
    display: flex;
    align-items: center;
  }

  .assignment-search__query-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2rem;
    block-size: 2rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: transparent;
    color: inherit;
    cursor: pointer;
  }

  .assignment-search__query-button:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 2px;
  }

  .assignment-search__query-icon {
    inline-size: 1.125rem;
    block-size: 1.125rem;
  }

  .assignment-search__input {
    padding-inline-start: 3rem;
  }

  .assignment-search__filters {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    margin-block-start: 1rem;
  }

  .assignment-search__filter,
  .assignment-search__all {
    min-inline-size: 0;
  }

  .assignment-search__all {
    display: flex;
    flex-direction: column;
    justify-content: end;
    gap: 0.35rem;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface-muted);
  }

  .assignment-search__toggle {
    display: flex;
    align-items: center;
    gap: 0.625rem;
  }

  .assignment-search__checkbox {
    border-radius: var(--radius-pill);
  }

  .assignment-search__label {
    color: var(--color-ink);
    font-size: var(--text-small);
    font-weight: 600;
    line-height: 1.25;
  }

  .assignment-search__toggle-help {
    margin: 0;
    color: var(--color-ink-lighter);
    font-size: var(--text-x-small);
    line-height: 1.35;
  }

  .assignment-index__results {
    box-sizing: border-box;
    inline-size: 100%;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }

  .assignment-table {
    overflow-x: auto;
  }

  .assignment-table__header {
    padding: 1rem 1rem 0;
  }

  .assignment-table .simple-table {
    inline-size: 100%;
    min-inline-size: 48rem;
  }

  .assignment-row__primary {
    min-inline-size: 14rem;
  }

  .assignment-row__title {
    display: inline-flex;
    max-inline-size: 34ch;
    color: var(--color-link);
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .assignment-row__title:hover {
    color: var(--color-brand-strong);
    text-decoration: underline;
    text-underline-offset: 0.2em;
  }

  .assignment-row__meta {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-block-start: 0.35rem;
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
    font-weight: 500;
    line-height: 1.2;
    white-space: normal;
  }

  .assignment-row__timeline {
    color: var(--color-ink-light);
  }

  .assignment-row__status {
    white-space: nowrap;
  }

  .assignment-table__empty {
    white-space: normal;
  }

  .assignment-editor {
    margin-block-start: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }

  .assignment-editor__layout {
    display: grid;
    align-items: start;
    gap: 1.5rem;
  }

  .assignment-editor__aside {
    min-inline-size: 0;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface-muted);
  }

  .assignment-editor__steps {
    counter-reset: assignment-step;
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
  }

  .assignment-editor__step {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    color: var(--color-ink-light);
    font-size: var(--text-small);
    line-height: 1.35;
  }

  .assignment-editor__step::before {
    counter-increment: assignment-step;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    inline-size: 1.35rem;
    block-size: 1.35rem;
    border: 1px solid rgb(var(--palette-blue-200));
    border-radius: var(--radius-pill);
    background-color: var(--color-surface);
    color: rgb(var(--palette-blue-700));
    font-size: var(--text-xx-small);
    font-weight: 700;
    line-height: 1;
    content: counter(assignment-step);
  }

  .assignment-editor__body {
    min-inline-size: 0;
  }

  .assignment-form.form-frame {
    --assignment-form-section-space: 1.5rem;

    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
  }

  .assignment-form__section {
    min-inline-size: 0;
    padding-block-start: var(--assignment-form-section-space);
    border-block-start: 1px solid var(--color-border-medium);
  }

  .assignment-form__section:first-of-type {
    padding-block-start: 0;
    border-block-start: 0;
  }

  .assignment-form__section + .assignment-form__section,
  .assignment-form__section + .form-actions {
    margin-block-start: var(--assignment-form-section-space);
  }

  .assignment-form__section-heading {
    display: flex;
    gap: 0.875rem;
    margin-block-end: 1rem;
  }

  .assignment-form__section-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    inline-size: 2rem;
    block-size: 2rem;
    border-radius: var(--radius-pill);
    background-color: rgb(var(--palette-blue-100));
    color: rgb(var(--palette-blue-800));
  }

  .assignment-form__section-icon .icon {
    inline-size: 1rem;
    block-size: 1rem;
  }

  .assignment-form__row {
    margin-block-start: 1rem;
  }

  .assignment-form__row.form-fields {
    align-items: flex-start;
  }

  .assignment-form .form-field__datetime {
    flex-wrap: nowrap;
    gap: 0.375rem;
    white-space: nowrap;
  }

  .assignment-form .form-field__datetime .input--inline {
    min-inline-size: 0;
    inline-size: 4rem;
    min-block-size: calc(1lh + 1rem + 2px);
    padding-block: 0.5rem;
    padding-inline: 0.625rem;
  }

  .assignment-form .form-field__datetime .input--inline:nth-of-type(2) {
    inline-size: 6rem;
  }

  .assignment-form__description {
    display: flex;
    flex-direction: column;
    margin: 0;
    border: 0;
    padding: 0;
  }

  @media (min-width: 640px) {
    .assignment-index__header,
    .assignment-search {
      padding: 1.25rem;
    }

    .assignment-table__header {
      padding: 1.25rem 1.5rem 0;
    }
  }

  @media (min-width: 768px) {
    .assignment-index__header,
    .assignment-search__header {
      grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
      align-items: start;
    }

    .assignment-search__filters {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .assignment-editor__layout {
      grid-template-columns: minmax(13rem, 0.8fr) minmax(0, 2fr);
    }
  }

  @media (min-width: 1120px) {
    .assignment-search__filters {
      grid-template-columns: repeat(5, minmax(0, 1fr));
      align-items: end;
    }
  }

  @media (max-width: 767px) {
    .assignment-table {
      overflow: visible;
    }

    .assignment-table .simple-table {
      min-inline-size: 0;
    }

    .assignment-table .simple-table thead {
      display: none;
    }

    .assignment-table .simple-table tbody,
    .assignment-table .simple-table tr,
    .assignment-table .simple-table td {
      display: block;
      inline-size: 100%;
    }

    .assignment-table .simple-table tbody {
      padding: 1rem;
    }

    .assignment-row {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background-color: var(--color-surface);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .assignment-row + .assignment-row {
      margin-block-start: 0.75rem;
    }

    .assignment-table .table-stripped > tbody > .assignment-row > .td {
      background-color: transparent;
    }

    .assignment-row .td {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.75rem 1rem;
      border-block-start: 1px solid var(--color-border);
      white-space: normal;
    }

    .assignment-row .td:first-child {
      border-block-start: 0;
    }

    .assignment-row .td::before {
      flex: 0 0 9rem;
      color: var(--color-ink-lighter);
      font-size: var(--text-x-small);
      font-weight: 700;
      line-height: 1.25;
      text-align: start;
      content: attr(data-label);
    }

    .assignment-row__primary {
      flex-direction: column;
      gap: 0.35rem;
    }

    .assignment-row__primary::before {
      display: none;
    }

    .assignment-row__comments,
    .assignment-row__actions {
      align-items: center;
    }

    .assignment-row__actions {
      justify-content: flex-end;
    }

    .assignment-row--empty,
    .assignment-row--empty .td {
      display: block;
    }

    .assignment-row--empty .td::before {
      display: none;
    }
  }

.assignment-show {
  display: grid;
  gap: 1.25rem;
  margin-block-start: 1.5rem;
}

.assignment-show__header,
.assignment-show__summary,
.assignment-show__description,
.assignment-show__facts,
.assignment-show__comments {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.assignment-show__header {
  display: grid;
  gap: 1rem;
}

.assignment-show__heading {
  min-inline-size: 0;
}

.assignment-show__eyebrow {
  margin: 0 0 0.35rem;
  color: var(--color-ink-lighter);
  font-size: var(--text-small);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0;
}

.assignment-show__title {
  max-inline-size: 24ch;
  margin: 0;
  color: var(--color-ink);
  font-size: var(--text-large);
  font-weight: 700;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.assignment-show__intro {
  max-inline-size: 68ch;
  margin: 0.625rem 0 0;
  color: var(--color-ink-light);
  font-size: var(--text-small);
  line-height: 1.45;
}

.assignment-show__header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.assignment-show__status {
  white-space: nowrap;
}

.assignment-show__contact-link {
  display: inline-flex;
  align-items: center;
  min-block-size: 1.75rem;
  padding-inline: 0.625rem;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  color: var(--color-link);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
}

.assignment-show__contact-link:hover {
  border-color: var(--color-border-strong);
  color: var(--color-brand-strong);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.assignment-show__section-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  min-inline-size: 0;
}

.assignment-show__section-icon {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  inline-size: 2rem;
  block-size: 2rem;
  border: 1px solid rgb(var(--palette-blue-200));
  border-radius: var(--radius-pill);
  background-color: rgb(var(--palette-blue-100));
  color: rgb(var(--palette-blue-800));
}

.assignment-show__section-icon .icon {
  inline-size: 1rem;
  block-size: 1rem;
}

.assignment-show__section-title {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--text-medium);
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.assignment-show__section-help {
  max-inline-size: 62ch;
  margin: 0.35rem 0 0;
  color: var(--color-ink-light);
  font-size: var(--text-small);
  line-height: 1.45;
}

.assignment-show__metrics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 1.25rem 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  overflow: hidden;
}

.assignment-show__metric {
  display: grid;
  gap: 0.4rem;
  min-inline-size: 0;
  padding: 1rem;
  border-block-start: 1px solid var(--color-border);
  background-color: var(--color-surface-muted);
}

.assignment-show__metric:first-child {
  border-block-start: 0;
}

.assignment-show__metric dt,
.assignment-show__fact dt {
  color: var(--color-ink-lighter);
  font-size: var(--text-x-small);
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0;
}

.assignment-show__metric dd {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--text-small);
  font-weight: 700;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.assignment-show__layout {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

.assignment-show__main-column {
  display: grid;
  gap: 1.25rem;
  min-inline-size: 0;
}

.assignment-show__aside {
  display: grid;
  gap: 1rem;
  min-inline-size: 0;
}

.assignment-show__rich-text {
  max-inline-size: 72ch;
  margin-block-start: 1.25rem;
  color: var(--color-ink);
  line-height: 1.6;
}

.assignment-show__rich-text > :first-child {
  margin-block-start: 0;
}

.assignment-show__rich-text > :last-child {
  margin-block-end: 0;
}

.assignment-show__empty {
  margin: 1.25rem 0 0;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-muted);
  color: var(--color-ink-light);
  font-size: var(--text-small);
  line-height: 1.45;
}

.assignment-show__fact-list {
  display: grid;
  gap: 0;
  margin: 1.25rem 0 0;
}

.assignment-show__fact {
  display: grid;
  gap: 0.35rem;
  padding-block: 0.875rem;
  border-block-start: 1px solid var(--color-border);
}

.assignment-show__fact:first-child {
  padding-block-start: 0;
  border-block-start: 0;
}

.assignment-show__fact dd {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.assignment-show__fact a {
  color: var(--color-link);
  text-decoration: none;
}

.assignment-show__fact a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.assignment-show__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.assignment-show__muted {
  color: var(--color-ink-lighter);
  font-weight: 500;
}

.assignment-show__comments-heading {
  padding: 1.25rem;
  border-block-end: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.assignment-show__comments .comments-panel {
  padding: 1.25rem;
}

.assignment-show__comments .comments-panel__title {
  display: none;
}

@media (min-width: 640px) {
  .assignment-show__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .assignment-show__metric:nth-child(2) {
    border-block-start: 0;
  }

  .assignment-show__metric:nth-child(even) {
    border-inline-start: 1px solid var(--color-border);
  }
}

@media (min-width: 768px) {
  .assignment-show__header {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 24rem);
    align-items: start;
  }

  .assignment-show__header-meta {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .assignment-show__layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 0.75fr);
  }
}

@media (min-width: 1120px) {
  .assignment-show__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .assignment-show__metric {
    border-block-start: 0;
    border-inline-start: 1px solid var(--color-border);
  }

  .assignment-show__metric:first-child {
    border-inline-start: 0;
  }
}