/* ==========================================================================
   NSRL Client Dashboard: Billing Statement view
   Markup and behavior: assets/public/js/ui/Client/billing-ui.js (API: assets/public/js/api/Client/billing-api.js)
   Everything is scoped under .nsrl-bill so the theme and Elementor cannot leak in.
   ========================================================================== */

.nsrl-bill {
  --bill-surface: #ffffff;
  --bill-ink: #1e293b;
  --bill-muted: #64748b;
  --bill-line: #e2e8f0;
  --bill-brand: #087f87;
  --bill-brand-dark: #076d74;
  --bill-on-brand: #ffffff;
  --bill-tint: #eefbfb;
  --bill-head: #053b3e;
  --bill-danger: #be123c;
  --bill-danger-bg: #fff1f2;
  --bill-warn: #b45309;
  --bill-warn-bg: #fffbeb;
  --bill-ok: #0f766e;
  --bill-ok-bg: #f0fdfa;
  --bill-focus: #087f87;
  --bill-radius: 10px;
  color-scheme: light;
  color: var(--bill-ink);
  font-family: var(--nsrl-font, "DM Sans", sans-serif);
  font-size: 15px;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nsrl-bill:not([data-theme="light"]) {
    --bill-surface: #0e2a2d; --bill-ink: #e4f4f4; --bill-muted: #95b3b4; --bill-line: #1d4447;
    --bill-brand: #64dde3; --bill-brand-dark: #8de9ee; --bill-on-brand: #053b3e; --bill-tint: #0f3538; --bill-head: #e4f4f4;
    --bill-danger: #fb7185; --bill-danger-bg: #3b1520; --bill-warn: #f3d68a; --bill-warn-bg: #3a2f10;
    --bill-ok: #5eead4; --bill-ok-bg: #0f3538; --bill-focus: #64dde3;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] .nsrl-bill,
.nsrl-bill[data-theme="dark"] {
  --bill-surface: #0e2a2d; --bill-ink: #e4f4f4; --bill-muted: #95b3b4; --bill-line: #1d4447;
  --bill-brand: #64dde3; --bill-brand-dark: #8de9ee; --bill-on-brand: #053b3e; --bill-tint: #0f3538; --bill-head: #e4f4f4;
  --bill-danger: #fb7185; --bill-danger-bg: #3b1520; --bill-warn: #f3d68a; --bill-warn-bg: #3a2f10;
  --bill-ok: #5eead4; --bill-ok-bg: #0f3538; --bill-focus: #64dde3;
  color-scheme: dark;
}

.nsrl-bill *,
.nsrl-bill *::before,
.nsrl-bill *::after { box-sizing: border-box; }
.nsrl-bill [hidden] { display: none !important; }

.nsrl-bill :focus-visible {
  outline: 2px solid var(--bill-focus);
  outline-offset: 2px;
}

.nsrl-bill .bill-sr {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.nsrl-bill .bill-h2 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  color: var(--bill-head);
}
.nsrl-bill .bill-sub {
  margin: 0 0 18px;
  color: var(--bill-muted);
  font-size: 14px;
}

/* ---- Summary tiles ---- */
.nsrl-bill .bill-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.nsrl-bill .bill-tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bill-surface);
  border: 1px solid var(--bill-line);
  border-radius: var(--bill-radius);
}
.nsrl-bill .bill-tile__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--bill-muted);
}
.nsrl-bill .bill-tile__value {
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--bill-head);
}
.nsrl-bill .bill-tile.is-danger .bill-tile__value { color: var(--bill-danger); }

/* ---- Filter chips ---- */
.nsrl-bill .bill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.nsrl-bill .bill-chip {
  padding: 7px 14px;
  border: 1px solid var(--bill-line);
  border-radius: 999px;
  background: var(--bill-surface);
  color: var(--bill-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.nsrl-bill .bill-chip:hover { border-color: var(--bill-brand); }
.nsrl-bill .bill-chip.is-active {
  background: var(--bill-brand);
  border-color: var(--bill-brand);
  color: var(--bill-on-brand);
}

/* ---- Statement cards ---- */
.nsrl-bill .bill-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nsrl-bill .bill-cards[aria-busy="true"] { opacity: 0.55; }
.nsrl-bill .bill-card { margin: 0; padding: 0; }
.nsrl-bill .bill-card::before,
.nsrl-bill .bill-card::marker { content: none; }

.nsrl-bill .bill-card__btn {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "top total" "purpose total" "meta total";
  gap: 4px 16px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  font: inherit;
  color: inherit;
  background: var(--bill-surface);
  border: 1px solid var(--bill-line);
  border-left: 4px solid var(--bill-line);
  border-radius: var(--bill-radius);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.nsrl-bill .bill-card__btn:hover { box-shadow: 0 6px 18px -10px rgba(15, 23, 42, 0.35); }
.nsrl-bill .bill-card--pending .bill-card__btn { border-left-color: #f59e0b; }
.nsrl-bill .bill-card--overdue .bill-card__btn { border-left-color: var(--bill-danger); }
.nsrl-bill .bill-card--paid .bill-card__btn { border-left-color: var(--bill-ok); }

.nsrl-bill .bill-card__top { grid-area: top; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.nsrl-bill .bill-card__no { font-weight: 700; color: var(--bill-head); }
.nsrl-bill .bill-card__purpose { grid-area: purpose; color: var(--bill-muted); font-size: 14px; }
.nsrl-bill .bill-card__meta { grid-area: meta; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--bill-muted); }
.nsrl-bill .bill-card__total {
  grid-area: total;
  align-self: center;
  font-size: 18px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--bill-head);
}

.nsrl-bill .bill-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.nsrl-bill .bill-pill--pending { background: var(--bill-warn-bg); color: var(--bill-warn); }
.nsrl-bill .bill-pill--overdue { background: var(--bill-danger-bg); color: var(--bill-danger); }
.nsrl-bill .bill-pill--paid { background: var(--bill-ok-bg); color: var(--bill-ok); }

.nsrl-bill .bill-empty,
.nsrl-bill .bill-loading {
  padding: 28px 16px;
  text-align: center;
  color: var(--bill-muted);
  background: var(--bill-surface);
  border: 1px dashed var(--bill-line);
  border-radius: var(--bill-radius);
}
.nsrl-bill .bill-msg {
  margin: 0 0 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--bill-danger-bg);
  color: var(--bill-danger);
  font-size: 14px;
}

.nsrl-bill .bill-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--bill-muted);
}

/* ---- Buttons ---- */
.nsrl-bill .bill-btn {
  padding: 9px 16px;
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}
.nsrl-bill .bill-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.nsrl-bill .bill-btn--primary { background: var(--bill-brand); color: var(--bill-on-brand); }
.nsrl-bill .bill-btn--primary:hover { background: var(--bill-brand-dark); }
.nsrl-bill .bill-btn--ghost { background: var(--bill-surface); color: var(--bill-ink); border-color: var(--bill-line); }
.nsrl-bill .bill-btn--ghost:hover:not(:disabled) { border-color: var(--bill-brand); }

/* ---- Detail sheet ---- */
.nsrl-bill .bill-detail-view:focus { outline: none; }
.nsrl-bill .bill-detail-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.nsrl-bill .bill-sheet {
  padding: 28px;
  background: var(--bill-surface);
  border: 1px solid var(--bill-line);
  border-radius: var(--bill-radius);
}
.nsrl-bill .bill-sheet__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--bill-brand);
}
.nsrl-bill .bill-sheet__org { display: flex; flex-direction: column; }
.nsrl-bill .bill-sheet__org-name {
  font-family: var(--nsrl-font-heading, "DM Sans", sans-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--bill-head);
}
.nsrl-bill .bill-sheet__org-sub { font-size: 13px; color: var(--bill-muted); }
.nsrl-bill .bill-sheet__title-box { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; text-align: right; }
.nsrl-bill .bill-sheet__title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bill-brand);
}
.nsrl-bill .bill-sheet__no { font-size: 18px; font-weight: 700; color: var(--bill-head); }

.nsrl-bill .bill-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0 0 20px;
}
.nsrl-bill .bill-fact dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--bill-muted);
}
.nsrl-bill .bill-fact dd { margin: 2px 0 0; font-weight: 600; }

.nsrl-bill .bill-table-wrap { overflow-x: auto; }
.nsrl-bill .bill-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.nsrl-bill .bill-table th {
  padding: 8px 10px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--bill-muted);
  border-bottom: 1px solid var(--bill-line);
}
.nsrl-bill .bill-table td {
  padding: 10px;
  vertical-align: top;
  border-bottom: 1px solid var(--bill-line);
}
.nsrl-bill .bill-table .bill-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nsrl-bill .bill-table .bill-strong { font-weight: 700; }
.nsrl-bill .bill-table .bill-muted { text-align: center; color: var(--bill-muted); }
.nsrl-bill .bill-row--damage td { background: var(--bill-danger-bg); }

.nsrl-bill .bill-totals {
  margin: 16px 0 0 auto;
  max-width: 340px;
}
.nsrl-bill .bill-total {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
  font-variant-numeric: tabular-nums;
}
.nsrl-bill .bill-total dt { color: var(--bill-muted); }
.nsrl-bill .bill-total dd { margin: 0; font-weight: 600; }
.nsrl-bill .bill-total.is-grand {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 2px solid var(--bill-ink);
  font-size: 17px;
}
.nsrl-bill .bill-total.is-grand dt,
.nsrl-bill .bill-total.is-grand dd { color: var(--bill-head); font-weight: 700; }

.nsrl-bill .bill-note {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--bill-tint);
  border: 1px solid var(--bill-line);
  font-size: 14px;
}
.nsrl-bill .bill-note p { margin: 4px 0 0; }
.nsrl-bill .bill-note.is-paid { background: var(--bill-ok-bg); }

/* ---- Small screens ---- */
@media (max-width: 720px) {
  .nsrl-bill .bill-summary { grid-template-columns: 1fr; }
  .nsrl-bill .bill-facts { grid-template-columns: 1fr 1fr; }
  .nsrl-bill .bill-sheet { padding: 18px; }
  .nsrl-bill .bill-sheet__title-box { align-items: flex-start; text-align: left; }
  .nsrl-bill .bill-card__btn { grid-template-columns: 1fr; grid-template-areas: "top" "purpose" "meta" "total"; }
  .nsrl-bill .bill-card__total { align-self: start; }
  .nsrl-bill .bill-detail-bar { flex-wrap: wrap; }
}

/* ---- Print: only the statement sheet ---- */
@media print {
  body.nsrl-bill-printing * { visibility: hidden !important; }
  body.nsrl-bill-printing .nsrl-bill .bill-sheet,
  body.nsrl-bill-printing .nsrl-bill .bill-sheet * { visibility: visible !important; }
  body.nsrl-bill-printing .nsrl-bill .bill-sheet {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border: 0;
    padding: 0;
    color: #000;
    background: #fff;
  }
  body.nsrl-bill-printing .nsrl-bill .bill-row--damage td { background: #fff; }
}