/* CSM shared UI — forms, dialogs, side panels, action bar, tabs.
   Loaded on every Debt Collection page from debtcollection/_base.html.
   Builds on base.css (.field, .btn, .panel) and the design tokens. */

/* ---- form layout ---- */
.dc-form { display: grid; gap: var(--space-4); }
.dc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--space-4); }
.dc-grid .field { margin-bottom: var(--space-4); min-width: 0; }
.dc-grid .dc-field--wide { grid-column: 1 / -1; }
.dc-fsec { display: grid; gap: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.dc-fsec:first-child { border-top: 0; padding-top: 0; }
.dc-fsec__title { font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-subtle); }
.dc-req { color: var(--crit-fg); margin-inline-start: 2px; }
.dc-help { font-size: var(--text-xs); color: var(--text-subtle); margin-top: 4px; }
.dc-err { font-size: var(--text-xs); color: var(--crit-fg); margin-top: 4px; font-weight: 600; }
.field.dc-invalid input, .field.dc-invalid select, .field.dc-invalid textarea { border-color: var(--crit); }
.dc-errsum { background: var(--crit-bg); color: var(--crit-fg); border-radius: var(--radius-sm); padding: 8px 12px; font-size: var(--text-sm); }
.dc-field textarea { min-height: 64px; }
.dc-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.dc-chip { border: 1px solid var(--line); background: var(--surface); color: var(--text-muted); border-radius: 999px;
  padding: 2px 10px; font-size: var(--text-xs); cursor: pointer; }
.dc-chip:hover { border-color: var(--brand); color: var(--brand); }
.dc-form__foot { display: flex; justify-content: flex-end; gap: var(--space-2); flex-wrap: wrap; }
.dc-page-form { max-width: 760px; }
.dc-page-form .dc-form__foot { padding-top: var(--space-4); border-top: 1px solid var(--line); }
@media (max-width: 640px) { .dc-grid { grid-template-columns: minmax(0, 1fr); } }

/* money input with currency suffix, checkbox row, danger button */
.dc-money { display: flex; align-items: stretch; }
.dc-money input { flex: 1; min-width: 0; border-start-end-radius: 0 !important; border-end-end-radius: 0 !important; }
.dc-money__cur { display: flex; align-items: center; padding: 0 10px; border: 1px solid var(--line-strong, var(--line)); border-inline-start: 0;
  border-start-start-radius: 0; border-start-end-radius: var(--radius-sm); border-end-end-radius: var(--radius-sm); border-end-start-radius: 0; background: var(--surface-sunken); font-size: var(--text-xs);
  font-weight: 600; color: var(--text-muted); }
.field.dc-check { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.field.dc-check label { margin: 0; }
.btn-danger { background: var(--crit); color: #fff; border-color: var(--crit); }
.btn-danger:hover { background: var(--crit-fg); border-color: var(--crit-fg); }

/* radio choices rendered as segmented pills */
.dc-field--radio > div[id] { display: flex; flex-wrap: wrap; gap: 8px; }
.dc-field--radio > div[id] label { display: inline-flex; align-items: center; gap: 6px; margin: 0; padding: 6px 12px;
  border: 1px solid var(--line-strong, var(--line)); border-radius: 999px; font-weight: 500; color: var(--text); cursor: pointer; }
.dc-field--radio > div[id] label:has(input:checked) { border-color: var(--brand); background: var(--brand-bg, var(--surface-sunken)); }
.dc-field--radio input { width: auto !important; min-height: 0 !important; margin: 0; }

/* ---- dialogs (native <dialog>) ---- */
.dc-dialog { width: min(560px, 94vw); max-height: 88vh; padding: 0; border: 1px solid var(--line);
  border-radius: var(--radius-lg); background: var(--surface); color: var(--text); box-shadow: var(--elev-3); }
.dc-dialog[open] { display: flex; flex-direction: column; }
.dc-dialog--sm { width: min(420px, 94vw); }
.dc-dialog--wide { width: min(760px, 94vw); }
.dc-dialog::backdrop { background: rgba(13, 33, 29, .35); backdrop-filter: blur(3px); }
.dc-dialog > form { display: flex; flex-direction: column; min-height: 0; flex: 1; margin: 0; }
.dc-dialog__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--line); }
.dc-dialog__head h2 { font-size: var(--text-lg); margin: 0; }
.dc-dialog__ctx { font-size: var(--text-sm); color: var(--text-muted); margin-top: 2px; }
.dc-dialog__ctx b { font-variant-numeric: tabular-nums; color: var(--text); font-weight: 600; }
.dc-dialog__x { border: 0; background: none; color: var(--text-subtle); font-size: 1.4rem; line-height: 1; cursor: pointer;
  padding: 2px 6px; border-radius: var(--radius-sm); }
.dc-dialog__x:hover { background: var(--surface-hover); color: var(--text); }
.dc-dialog__body { padding: var(--space-4) var(--space-5); overflow: auto; display: grid; gap: var(--space-3); }
.dc-dialog__body > p { margin: 0; color: var(--text-muted); }
.dc-dialog__foot { display: flex; justify-content: flex-end; gap: var(--space-2); padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--line); background: var(--surface-sunken); }
/* side panel: long forms and approvals opened from a list row */
.dc-dialog--side { margin-block: 0 0; margin-inline: auto 0; height: 100vh; max-height: 100vh; width: min(460px, 100vw); border-radius: 0;
  border-width: 0 0 0 1px; }
.dc-dialog--side .dc-dialog__body { flex: 1; align-content: start; }
@media (max-width: 640px) {
  .dc-dialog, .dc-dialog--sm, .dc-dialog--wide { width: 100vw; max-width: 100vw; height: 100%; max-height: 100%; margin: 0;
    border-radius: 0; border: 0; }
}

/* ---- case / record header with action bar ---- */
.dc-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--space-3);
  margin-bottom: var(--space-4); }
.dc-head__main { min-width: 0; flex: 1 1 320px; }
.dc-head h1 { font-size: var(--text-2xl, 1.5rem); margin: 0 0 6px; text-wrap: balance; }
.dc-head__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: var(--text-sm); color: var(--text-muted); }
.dc-head__figs { display: flex; gap: var(--space-5); margin-top: var(--space-3); flex-wrap: wrap; }
.dc-fig { display: grid; }
.dc-fig span { font-size: var(--text-xs); color: var(--text-subtle); text-transform: uppercase; letter-spacing: .05em; }
.dc-fig b { font-size: var(--text-lg); font-variant-numeric: tabular-nums; }
.dc-fig b.is-crit { color: var(--crit-fg); }
.dc-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.dc-more { position: relative; }
.dc-more > summary { list-style: none; }
.dc-more > summary::-webkit-details-marker { display: none; }
.dc-more__menu { position: absolute; inset-inline-end: 0; top: calc(100% + 4px); z-index: 30; min-width: 240px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--elev-3);
  display: grid; }
.dc-more__menu button, .dc-more__menu a { text-align: start; border: 0; background: none; padding: 8px 10px; border-radius: var(--radius-sm);
  font: inherit; font-size: var(--text-sm); color: var(--text); cursor: pointer; text-decoration: none; }
.dc-more__menu button:hover, .dc-more__menu a:hover { background: var(--surface-hover); }
.dc-more__menu .is-danger { color: var(--crit-fg); }
.dc-more__menu hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }

/* ---- tabs ---- */
[data-dc-tabpanel][hidden] { display: none !important; }
.dc-tabs { display: flex; gap: var(--space-5); border-bottom: 1px solid var(--line); margin-bottom: var(--space-4);
  overflow-x: auto; scrollbar-width: none; }
.dc-tabs a { padding: 10px 0; white-space: nowrap; color: var(--text-muted); text-decoration: none; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px; }
.dc-tabs a[aria-selected="true"], .dc-tabs a.is-active { color: var(--text); border-bottom-color: var(--brand); font-weight: 600; }
.dc-tabs .dc-count { font-size: var(--text-xs); color: var(--text-subtle); margin-inline-start: 4px; }
.dc-tabs--sub { gap: var(--space-4); font-size: var(--text-sm); }

/* ---- small building blocks ---- */
.dc-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); align-items: start; }
.dc-stack { display: grid; gap: var(--space-4); min-width: 0; }
@media (max-width: 900px) { .dc-cols { grid-template-columns: minmax(0, 1fr); } }
.dc-item { padding: var(--space-3) 0; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.dc-item:first-child { border-top: 0; padding-top: 0; }
.dc-item__row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.dc-item__title { font-weight: 600; }
.dc-item__meta { font-size: var(--text-sm); color: var(--text-muted); }
.dc-item__acts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.dc-kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px var(--space-4); font-size: var(--text-sm); margin: 0; }
.dc-kv dt { color: var(--text-subtle); }
.dc-kv dd { margin: 0; }
.dc-score { display: flex; align-items: center; gap: var(--space-4); }
.dc-score b { font-size: 26px; font-variant-numeric: tabular-nums; }
.dc-ok { color: var(--ok-fg); } .dc-warn { color: var(--warn-fg); } .dc-crit { color: var(--crit-fg); }
.dc-muted { color: var(--text-muted); }
.dc-list-plain { margin: 0; padding-inline-start: 18px; font-size: var(--text-sm); color: var(--text-muted); display: grid; gap: 2px; }
.dc-hub { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-3); }
.dc-hub a { display: grid; gap: 4px; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-md);
  background: var(--surface); color: var(--text); text-decoration: none; }
.dc-hub a:hover { border-color: var(--brand); }
.dc-hub b { font-size: var(--text-md); }
.dc-hub span { font-size: var(--text-sm); color: var(--text-muted); }
.dc-hub h2 { grid-column: 1 / -1; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-subtle); margin: var(--space-3) 0 0; }
.dc-rowacts { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }

/* ---- list filters ---- */
.dc-filters { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; margin-bottom: var(--space-4); }
.dc-filters input[type=search], .dc-filters select { min-height: 36px; padding: 0 10px; border: 1px solid var(--line-strong, var(--line));
  border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: inherit; font-size: var(--text-sm); }
.dc-filters input[type=search] { min-width: min(260px, 100%); flex: 1 1 200px; }
.dc-bulkbar select { min-height: 34px; padding: 0 10px; border: 1px solid var(--line-strong, var(--line)); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); }
.dc-bulkbar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); padding: 10px 16px; margin-bottom: var(--space-3); }
.dc-picklist { display: grid; gap: 2px; }
.dc-picklist label, .dc-picklist a { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text); text-decoration: none; }
.dc-picklist label:hover, .dc-picklist a:hover { background: var(--surface-hover); }
.dc-picklist .dc-picklist__amt { margin-inline-start: auto; font-variant-numeric: tabular-nums; }

/* ---- dunning steps timeline ---- */
.dc-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.dc-steps li { display: flex; align-items: center; gap: var(--space-3); padding: 8px 0; border-top: 1px solid var(--line); }
.dc-steps li:first-child { border-top: 0; }
.dc-steps__day { min-width: 56px; font-variant-numeric: tabular-nums; font-weight: 700; font-size: var(--text-sm); color: var(--text-muted); }
.dc-steps__what { flex: 1; display: grid; min-width: 0; }
.dc-steps li.is-reached .dc-steps__day { color: var(--ok-fg); }
.dc-steps li.is-next { background: var(--warn-bg); border-radius: var(--radius-sm); padding-inline: 8px; }
.dc-steps li.is-next .dc-steps__day { color: var(--warn-fg); }
.dc-steps__date { font-size: var(--text-xs); color: var(--text-subtle); white-space: nowrap; }

/* ---- 12-month bars (invoiced vs collected) ---- */
.dc-bars { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; align-items: end; height: 140px; }
.dc-bars__m { display: grid; grid-template-rows: 1fr auto; height: 100%; min-width: 0; }
.dc-bars__pair { display: flex; align-items: flex-end; justify-content: center; gap: 2px; }
.dc-bars__pair i { display: block; width: 40%; min-height: 1px; border-radius: 2px 2px 0 0; }
.dc-bars__inv { background: var(--line-strong, #b8c2bd); }
.dc-bars__col { background: var(--brand); }
.dc-bars__lbl { font-size: 10px; color: var(--text-subtle); text-align: center; margin-top: 4px; white-space: nowrap; overflow: hidden; }
.dc-legend { display: flex; gap: var(--space-4); font-size: var(--text-xs); color: var(--text-muted); margin-top: var(--space-2); flex-wrap: wrap; }
.dc-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-inline-end: 4px; vertical-align: -1px; }

/* ---- KPI tiles ---- */
.dc-kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: var(--space-3); margin-bottom: var(--space-4); }
.dc-kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); display: grid; gap: 2px; min-width: 0; }
.dc-kpi span { font-size: var(--text-xs); color: var(--text-subtle); text-transform: uppercase; letter-spacing: .04em; }
.dc-kpi b { font-size: var(--text-lg); font-variant-numeric: tabular-nums; }
.dc-kpi small { font-size: var(--text-xs); color: var(--text-muted); }
.dc-kpi.is-crit b { color: var(--crit-fg); } .dc-kpi.is-warn b { color: var(--warn-fg); } .dc-kpi.is-ok b { color: var(--ok-fg); }
.dc-meter { height: 6px; background: var(--surface-sunken); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.dc-meter i { display: block; height: 100%; background: var(--brand); }
.dc-meter.is-crit i { background: var(--crit); }
.dc-src { font-size: 10px; font-weight: 700; letter-spacing: .05em; color: var(--text-subtle); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; margin-inline-start: 6px; vertical-align: 1px; }

/* ---- invoice selection bar ---- */
.dc-selbar { position: sticky; bottom: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2);
  padding: 10px 14px; margin-top: var(--space-3); background: var(--surface); border: 1px solid var(--brand); border-radius: var(--radius-md); box-shadow: var(--elev-2); }
.dc-selbar[hidden] { display: none !important; }
.dc-selbar__sum { font-weight: 600; margin-inline-end: auto; font-variant-numeric: tabular-nums; }
tr.is-selected td { background: var(--brand-bg, var(--surface-sunken)); }
.dc-selinfo { background: var(--surface-sunken); border-radius: var(--radius-sm); padding: 8px 12px; font-weight: 600; font-variant-numeric: tabular-nums; }