/* Equal expense splitter: a receipt card sized for the page sidebar or any narrow column.
   Site theme colours arrive as custom properties; the fallbacks keep the module usable on its own. */
.expense-splitter {
  --xs-paper: var(--c-surface, #fffbf2);
  --xs-ink: var(--c-text, #1b2230);
  --xs-muted: var(--c-muted, #59544a);
  --xs-accent: var(--c-accent, #1d4ed8);
  --xs-on-accent: var(--c-on-accent, #ffffff);
  --xs-line: var(--c-border, #d8ccb0);
  --xs-danger: #b42318;
  --xs-plus: #166534;
  --xs-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  position: relative;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 0 0 28px;
  padding: 16px 12px 20px;
  background: var(--xs-paper);
  color: var(--xs-ink);
  border: 1px solid var(--xs-line);
  border-top: 4px solid var(--xs-accent);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  box-shadow: 0 1px 2px rgb(27 34 48 / .08);
  font-size: .95rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.expense-splitter::after {
  content: "";
  position: absolute;
  inset-inline: -1px;
  bottom: -10px;
  height: 10px;
  background:
    linear-gradient(135deg, var(--xs-paper) 50%, transparent 50%) 0 0 / 14px 10px repeat-x,
    linear-gradient(225deg, var(--xs-paper) 50%, transparent 50%) 0 0 / 14px 10px repeat-x;
}
.expense-splitter *, .expense-splitter *::before, .expense-splitter *::after { box-sizing: border-box; }
.expense-splitter [hidden] { display: none !important; }
.expense-splitter p { margin: 0; }

.xs-head { display: flex; align-items: center; gap: 10px; min-width: 0; }
.xs-icon { display: block; flex: none; width: 32px; height: 32px; color: var(--xs-accent); }
.xs-head-text { min-width: 0; }
.xs-title { margin: 0; font-family: var(--font-heading, var(--xs-mono)); font-size: 1.15rem; line-height: 1.25; }
.xs-sub { color: var(--xs-muted); font-size: .82rem; }
.xs-status { min-height: 1.3em; margin-top: 8px !important; font-size: .85rem; }
.xs-status[data-state="error"] { color: var(--xs-danger); font-weight: 600; }
.xs-status[data-state="ok"] { color: var(--xs-plus); }
.xs-vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.xs-section { margin-top: 12px; padding-top: 12px; border-top: 2px dashed var(--xs-line); min-width: 0; }
.xs-h { margin: 0 0 8px; font-family: var(--xs-mono); font-size: .78rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--xs-muted); }

/* compact forms: tracks can shrink, controls never overlap */
.xs-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
.xs-field { display: grid; gap: 3px; min-width: 0; grid-column: 1 / -1; }
.xs-half { grid-column: auto; }
.xs-field > span { font-size: .78rem; font-weight: 600; color: var(--xs-muted); }
.xs-field input, .xs-field select {
  display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 40px; margin: 0; padding: 6px 8px;
  font: inherit; color: var(--xs-ink); background: #ffffff; border: 1px solid var(--xs-line); border-radius: 4px;
}
.xs-field input:focus-visible, .xs-field select:focus-visible { outline: 2px solid var(--xs-accent); outline-offset: 1px; border-color: var(--xs-accent); }
.xs-field [aria-invalid="true"] { border-color: var(--xs-danger); box-shadow: 0 0 0 1px var(--xs-danger); }
.xs-buttons { display: flex; flex-wrap: wrap; gap: 8px; grid-column: 1 / -1; min-width: 0; }

.xs-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 40px; max-width: 100%; margin: 0;
  padding: 6px 12px; border: 1px solid var(--xs-accent); border-radius: 4px; background: var(--xs-accent);
  color: var(--xs-on-accent); font: 600 .9rem/1.2 var(--font-body, system-ui, sans-serif); cursor: pointer; text-align: center;
}
.xs-btn:hover { filter: brightness(1.08); }
.xs-btn:focus-visible { outline: 3px solid var(--xs-accent); outline-offset: 2px; }
.xs-btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.xs-btn-quiet { background: transparent; color: var(--xs-accent); }
.xs-btn-small { min-height: 32px; padding: 3px 8px; font-size: .8rem; }
.xs-btn-danger { border-color: var(--xs-danger); color: var(--xs-danger); }
.xs-btn-danger-solid { border-color: var(--xs-danger); background: var(--xs-danger); color: #ffffff; }

/* people */
.xs-people { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 4px; }
.xs-person { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 8px;
  padding: 4px 0; border-bottom: 1px dotted var(--xs-line); min-width: 0; }
.xs-person-name { min-width: 0; font-weight: 600; }
.xs-row-actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.xs-editing { background: rgb(29 78 216 / .07); }

/* expenses: receipt lines that stay legible in a 320px column */
.xs-empty { color: var(--xs-muted); font-size: .88rem; }
.xs-table { display: block; width: 100%; max-width: 100%; border-collapse: collapse; font-size: .92rem; }
.xs-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.xs-table tbody { display: block; }
.xs-table tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; padding: 8px 4px;
  border-bottom: 1px dashed var(--xs-line); }
.xs-table td { display: block; min-width: 0; padding: 0; }
.xs-item { grid-column: 1; grid-row: 1; }
.xs-desc { display: block; font-weight: 600; }
.xs-meta { display: block; color: var(--xs-muted); font-size: .82rem; }
.xs-num { grid-column: 2; grid-row: 1; max-width: 9.5rem; text-align: end; font-family: var(--xs-mono); font-weight: 700;
  font-variant-numeric: tabular-nums; }
.xs-actions-cell { grid-column: 1 / -1; grid-row: 2; }

/* summary and balance cards */
.xs-totals { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
.xs-total { display: grid; gap: 2px; min-width: 0; padding: 8px; border-radius: 4px; background: rgb(29 78 216 / .07); }
.xs-total > span { font-size: .78rem; color: var(--xs-muted); font-weight: 600; }
.xs-total > strong { font-family: var(--xs-mono); font-size: 1.1rem; color: var(--xs-accent); }
.xs-count { margin-top: 6px !important; font-size: .82rem; color: var(--xs-muted); }
.xs-cards { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 9.5rem), 1fr)); }
.xs-card { min-width: 0; padding: 8px 10px; background: #ffffff; border: 1px solid var(--xs-line);
  border-inline-start: 4px solid var(--xs-muted); border-radius: 4px; }
.xs-card-plus { border-inline-start-color: var(--xs-plus); }
.xs-card-minus { border-inline-start-color: var(--xs-danger); }
.xs-card-zero { border-inline-start-color: var(--xs-accent); }
.xs-card-name { font-weight: 700; margin-bottom: 4px !important; }
.xs-figures { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1px 8px; margin: 0; font-size: .85rem; }
.xs-figures dt { color: var(--xs-muted); }
.xs-figures dd { margin: 0; min-width: 0; text-align: end; font-family: var(--xs-mono); font-variant-numeric: tabular-nums; }
.xs-card-state { margin-top: 4px !important; font-size: .82rem; font-weight: 700; }
.xs-card-plus .xs-card-state { color: var(--xs-plus); }
.xs-card-minus .xs-card-state { color: var(--xs-danger); }
.xs-card-zero .xs-card-state { color: var(--xs-accent); }

/* transfers */
.xs-transfers { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.xs-transfers li { padding: 6px 0; border-bottom: 1px dotted var(--xs-line); min-width: 0; }
.xs-money { font-family: var(--xs-mono); font-weight: 700; color: var(--xs-accent); }
.xs-none { color: var(--xs-muted); font-size: .88rem; }

/* tools */
.xs-confirm { margin-top: 8px; padding: 8px; border: 1px solid var(--xs-danger); border-radius: 4px; background: #fff6f5; }
.xs-confirm p { margin-bottom: 8px; font-size: .88rem; }