.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-block-size: 2.75rem; padding-inline: var(--sp-4);
  font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--radius);
}
.btn-primary { background: var(--color-brand); color: var(--color-brand-ink); }
.btn-primary:hover { background: var(--color-brand-hover); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-block { inline-size: 100%; }
.btn[disabled] { opacity: 0.6; cursor: default; }

.field { display: grid; gap: var(--sp-1); margin-block-end: var(--sp-4); }
.field-label { font-size: var(--fs-sm); font-weight: 600; }
.input {
  min-block-size: 2.75rem; padding-inline: var(--sp-3);
  font: inherit; color: inherit; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius);
}

.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); box-shadow: var(--shadow-card); padding: var(--sp-6);
}
.card-title { font-size: var(--fs-lg); font-weight: 700; margin-block-end: var(--sp-4); }

.banner-danger {
  padding: var(--sp-3); margin-block-end: var(--sp-4); border-radius: var(--radius);
  background: var(--color-danger-bg); color: var(--color-danger-fg);
  border: 1px solid var(--color-danger-border);
}

.table { inline-size: 100%; border-collapse: collapse; }
.table th, .table td {
  padding: var(--sp-2) var(--sp-3); text-align: start;
  border-block-end: 1px solid var(--color-border);
}
.table th { font-size: var(--fs-sm); color: var(--color-ink-muted); background: var(--color-surface-2); }

.pill {
  display: inline-block; padding-inline: var(--sp-2); margin-inline-end: var(--sp-1);
  font-size: var(--fs-sm); border-radius: 999px; background: var(--color-surface-2);
}

.btn-secondary { background: var(--color-surface); color: var(--color-ink); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-surface-2); }
.btn-small { min-block-size: 2rem; padding-inline: var(--sp-3); font-size: var(--fs-sm);
  background: var(--color-surface); color: var(--color-ink); border-color: var(--color-border); }
.btn-small:hover { background: var(--color-surface-2); }
a.btn { text-decoration: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.link { color: var(--color-link); text-decoration: underline; text-underline-offset: 0.15em; }
.muted { color: var(--color-ink-muted); }
.text-danger { color: var(--color-danger-fg); font-weight: 600; }
.prose { white-space: pre-wrap; overflow-wrap: anywhere; }

.badge {
  display: inline-block; padding: 0 var(--sp-2); font-size: var(--fs-sm); font-weight: 600; line-height: 1.6;
  border-radius: 999px; background: var(--color-surface-2); color: var(--color-ink); white-space: nowrap;
}
.badge-ok { background: var(--color-ok-bg); color: var(--color-ok-fg); }
.badge-warn { background: var(--color-warn-bg); color: var(--color-warn-fg); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger-fg); }
.badge-info { background: var(--color-info-bg); color: var(--color-info-fg); }
.badge-muted { background: var(--color-muted-bg); color: var(--color-muted-fg); }
.badge-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }

.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin-block-end: var(--sp-4); }
.card-head .card-title { margin-block-end: 0; flex: 1; }
.card > * + * { margin-block-start: var(--sp-4); }
.card > .card-head + * { margin-block-start: 0; }

.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0 var(--sp-4); }
.form .banner-danger, .form .form-actions, .field-wide { grid-column: 1 / -1; }
.form-days { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; }
.form-days .field-check { margin-block-end: var(--sp-4); }
.field-check { display: flex; align-items: center; gap: var(--sp-2); min-block-size: 2.75rem; }
.field-check .field-label { font-size: var(--fs-md); font-weight: 400; }
.check { inline-size: 1.25rem; block-size: 1.25rem; accent-color: var(--color-brand); }
.input { inline-size: 100%; }
.input-area { padding-block: var(--sp-2); min-block-size: 6rem; resize: vertical; }
.form-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-block-start: var(--sp-2); }

.dialog {
  inline-size: min(44rem, calc(100vw - 2rem)); max-block-size: calc(100vh - 2rem); padding: 0;
  color: var(--color-ink); background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.dialog::backdrop { background: var(--color-backdrop); }
.dialog-head { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-6); border-block-end: 1px solid var(--color-border); }
.dialog-title { flex: 1; font-size: var(--fs-lg); font-weight: 700; }
.dialog-close {
  inline-size: 2.75rem; block-size: 2.75rem; font-size: var(--fs-xl); line-height: 1; cursor: pointer;
  color: inherit; background: transparent; border: 0; border-radius: var(--radius);
}
.dialog-close:hover { background: var(--color-surface-2); }
.dialog-body { padding: var(--sp-6); display: grid; gap: var(--sp-4); }

.details { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--sp-3) var(--sp-6); }
.details-row { min-inline-size: 0; }
.details-label { font-size: var(--fs-sm); color: var(--color-ink-muted); }
.details-value { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }

.table-wrap { overflow-x: auto; }
.table td { vertical-align: top; }

.tabs { display: flex; gap: var(--sp-1); border-block-end: 1px solid var(--color-border); }
.tab {
  padding: var(--sp-2) var(--sp-4); color: var(--color-ink-muted); text-decoration: none; font-weight: 600;
  border-block-end: 3px solid transparent;
}
.tab[aria-current="page"] { color: var(--color-ink); border-block-end-color: var(--color-brand); }

.toolbar { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.toolbar .input { flex: 1 1 12rem; inline-size: auto; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: var(--sp-4); }
.tile {
  display: grid; gap: var(--sp-1); padding: var(--sp-4); background: var(--color-surface);
  border: 1px solid var(--color-border); border-inline-start-width: 4px; border-radius: var(--radius);
}
.tile-value { font-size: var(--fs-xl); font-weight: 700; line-height: 1.2; }
.tile-label { font-size: var(--fs-sm); color: var(--color-ink-muted); }
.tile-warn { border-inline-start-color: var(--color-warn-fg); }
.tile-danger { border-inline-start-color: var(--color-danger-fg); }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-3); }
.timeline-item { padding-inline-start: var(--sp-3); border-inline-start: 3px solid var(--color-border); }
.timeline-comment { border-inline-start-color: var(--color-brand); }
.timeline-meta { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; font-size: var(--fs-sm); color: var(--color-ink-muted); }

.tree-cell { display: inline-block; }
.tree-depth-1 { padding-inline-start: var(--sp-6); }
.tree-depth-2 { padding-inline-start: calc(var(--sp-6) * 2); }
.tree-depth-3 { padding-inline-start: calc(var(--sp-6) * 3); }
.tree-depth-4, .tree-depth-5, .tree-depth-6 { padding-inline-start: calc(var(--sp-6) * 4); }

.work-list { display: grid; gap: var(--sp-4); }
.work-card {
  display: grid; gap: var(--sp-3); padding: var(--sp-4); background: var(--color-surface);
  border: 1px solid var(--color-border); border-inline-start-width: 4px; border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.work-card-open { border-inline-start-color: var(--color-ok-fg); }
.work-card-done { opacity: 0.75; }
.work-card-title { font-size: var(--fs-lg); font-weight: 700; overflow-wrap: anywhere; }

/* Narrow screens: a table row becomes a block, each cell labelled. */
@media (max-width: 40rem) {
  .table thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); }
  .table, .table tbody, .table tr, .table td { display: block; }
  .table tr { padding-block: var(--sp-2); border-block-end: 1px solid var(--color-border); }
  .table td { border: 0; padding: var(--sp-1) 0; }
  .table td:empty { display: none; }
  .table td::before { content: attr(data-label); display: block; font-size: var(--fs-sm); color: var(--color-ink-muted); }
  .tree-cell { padding-inline-start: 0; }
  .work-card .btn { flex: 1 1 100%; }
}

/* Tabs inside a card page (buttons) share the look of link tabs. */
.tabs { flex-wrap: wrap; }
button.tab { font: inherit; background: transparent; border-inline: 0; border-block-start: 0; cursor: pointer; min-block-size: 2.75rem; }
.tab[aria-selected="true"] { color: var(--color-ink); border-block-end-color: var(--color-brand); }
.tabs-wrap { display: grid; gap: var(--sp-4); min-inline-size: 0; }
.tab-panel { display: grid; gap: var(--sp-4); min-inline-size: 0; }
.tab-panel > * { min-inline-size: 0; }

/* Data table */
.dt { display: grid; gap: var(--sp-3); min-inline-size: 0; }
.dt-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); }
.dt-bar .input { min-block-size: 2.25rem; inline-size: auto; }
.dt-search { flex: 1 1 10rem; max-inline-size: 20rem; }
.dt-filter { flex: 0 1 12rem; }
.dt-count { margin-inline-start: auto; font-size: var(--fs-sm); }
.dt-sort {
  font: inherit; font-weight: 600; color: inherit; background: transparent; border: 0; padding: 0;
  cursor: pointer; text-align: start; white-space: nowrap;
}
.dt-sort:hover { text-decoration: underline; }
.table th[draggable="true"] { cursor: grab; }
.table th.dt-drop { box-shadow: inset 3px 0 0 var(--color-brand), inset -3px 0 0 var(--color-brand); }
.dt-settings { display: grid; gap: var(--sp-3); }
.dt-columns { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-2); }
.dt-column { display: flex; align-items: center; gap: var(--sp-2); }
.dt-column-name { flex: 1; }

/* Files */
.visually-hidden { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.pick { display: inline-flex; position: relative; }
.files { display: grid; gap: var(--sp-3); min-inline-size: 0; }
.file-link { display: inline-flex; align-items: center; gap: var(--sp-2); overflow-wrap: anywhere; }
.thumb { inline-size: 3rem; block-size: 3rem; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--color-border); }

@media (max-width: 40rem) {
  .dt-search { max-inline-size: none; flex-basis: 100%; }
  .dt-filter { flex: 1 1 8rem; }
  .work-card .pick { flex: 1 1 100%; }
  .work-card .pick .btn { inline-size: 100%; }
}

.checks { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-6); padding-block: var(--sp-2); margin-block-end: var(--sp-4); }
.checks-item { display: inline-flex; align-items: center; gap: var(--sp-2); }