:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5d6b7e;
  --line: #d5dce4;
  --accent: #0b5cad;
  --accent-text: #ffffff;
  --ok-bg: #e6f4ea;
  --ok-text: #1e5e2f;
  --error-bg: #fdecea;
  --error-text: #8a1c14;
  --tint: #eef3f9;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d;
    --surface: #19202a;
    --text: #e6ebf1;
    --muted: #9aa8b8;
    --line: #2f3a48;
    --accent: #5aa2ec;
    --accent-text: #0b1420;
    --ok-bg: #173323;
    --ok-text: #a7dcb5;
    --error-bg: #3a1714;
    --error-text: #f4b3ab;
    --tint: #1f2935;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-wrap: break-word;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-bottom: 104px; }
h1 { margin: 24px 0 4px; font-size: 1.6rem; line-height: 1.2; }
h2 { margin-top: 0; font-size: 1.2rem; }
a { color: var(--accent); }
small { display: block; color: var(--muted); font-size: 0.8rem; font-weight: normal; }
[hidden] { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Header */
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; min-height: 52px; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.brand { font-weight: 600; }
.staff-nav { display: flex; gap: 8px 16px; align-items: center; flex-wrap: wrap; }
.staff-nav form { margin: 0; }

/* Text blocks */
.subtitle { color: var(--muted); margin-top: 0; }
.help { color: var(--muted); font-size: 0.9rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 16px 0; }
.narrow { max-width: 360px; }
.stat { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.stat span { color: var(--muted); }
.notice { padding: 10px 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.notice.ok { background: var(--ok-bg); color: var(--ok-text); border-color: transparent; }
.notice.error { background: var(--error-bg); color: var(--error-text); border-color: transparent; }
.notice ul { margin: 6px 0 0; padding-left: 20px; }
.errorlist { list-style: none; margin: 0; padding: 0; }

/* Form controls */
label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input[type=text], input[type=number], input[type=password], input[type=search] {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; width: 100%; min-width: 0;
}
input[aria-invalid=true] { border-color: var(--error-text); }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button, .button {
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block;
  background: var(--accent); color: var(--accent-text); border: 0; border-radius: 6px; padding: 10px 18px;
}
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: normal; text-decoration: underline; }

/* Sponsor sheet: cards on small screens, one table-like row per sponsor on wide ones */
#pledges { counter-reset: pledge; }
.pledge-head { display: none; }
.pledge {
  counter-increment: pledge;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "sponsor sponsor"
    "stake stake"
    "bl ba"
    "est del";
  gap: 10px 12px;
  align-items: end;  /* inputs line up even when a label wraps */
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; margin: 0 0 12px;
}
.pledge.removed { counter-increment: none; opacity: 0.45; }
.pledge.removed input, .pledge.removed .seg { pointer-events: none; }
.pledge.has-errors { border-color: var(--error-text); }
.no { display: none; }
.c-sponsor { grid-area: sponsor; }
.c-stake { grid-area: stake; display: flex; flex-direction: column; gap: 4px; }
.c-bl { grid-area: bl; }
.c-ba { grid-area: ba; }
.c-est { grid-area: est; display: flex; gap: 6px; align-items: baseline; }
.c-del { grid-area: del; text-align: right; }
.row-errors { grid-column: 1 / -1; background: var(--error-bg); color: var(--error-text); border-radius: 6px; padding: 6px 10px; font-size: 0.9rem; }
.row-errors p { margin: 2px 0; }
.cell-label { font-size: 0.85rem; color: var(--muted); }
.c-sponsor .cell-label::before { content: counter(pledge) ". "; font-weight: 600; color: var(--text); }
.pledge.removed .c-sponsor .cell-label::before { content: "– "; }
.c-est .cell-label, .est { font-size: 0.9rem; }
.est { color: var(--muted); white-space: nowrap; }
.est b { color: var(--text); }
.delete-box { display: none; }

.stake { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--accent); border-radius: 6px; overflow: hidden; flex: none; }
.seg label { display: block; margin: 0; font-size: 0.9rem; color: var(--accent); cursor: pointer; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: block; padding: 7px 12px; white-space: nowrap; }
.seg label + label span { border-left: 1px solid var(--accent); }
.seg input:checked + span { background: var(--accent); color: var(--accent-text); font-weight: 600; }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -4px; }
.amount { flex: 1 1 7rem; flex-direction: row; align-items: center; gap: 6px; min-width: 7rem; }
.amount .unit { font-size: 0.85rem; white-space: nowrap; }

@media (min-width: 1024px) {
  /* One grid for header and rows (subgrid), so every column lines up. */
  #pledges {
    display: grid;
    grid-template-columns: 2rem minmax(10rem, 1fr) auto 5.5rem 5.5rem 7rem auto;
    column-gap: 10px;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 10px 12px 0; margin-bottom: 12px;
  }
  .pledge-head, .pledge {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: subgrid;
    grid-template-areas: none;
  }
  .pledge-head {
    align-items: end; padding-bottom: 6px;
    font-size: 0.8rem; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--line);
  }
  .pledge {
    align-items: center; row-gap: 6px; border-radius: 0; margin: 0; padding: 8px 0;
    background: none; border-width: 0 0 1px;
  }
  .pledge:last-child { border-bottom: 0; }
  .pledge.has-errors { border-color: var(--line); }
  .pledge > .no, .pledge > .cell { grid-row: 1; }  /* override the card layout's grid-area */
  .pledge > .row-errors { grid-row: 2; }
  .no { display: block; grid-column: 1; font-weight: 600; }
  .no::before { content: counter(pledge) "."; }
  .pledge.removed .no::before { content: "–"; }
  .c-sponsor { grid-column: 2; }
  .c-stake { grid-column: 3; }
  .c-bl { grid-column: 4; }
  .c-ba { grid-column: 5; }
  .c-est { grid-column: 6; justify-content: flex-end; }
  .c-del { grid-column: 7; }
  .pledge .cell-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .stake { flex-wrap: nowrap; }
  .seg span { padding: 7px 10px; }
  .amount { flex: none; min-width: 0; }
  .amount input { width: 6.5rem; }
  .c-est .est { font-size: 1rem; }
}
@supports not (grid-template-columns: subgrid) {
  @media (min-width: 1024px) {
    .pledge-head, .pledge { grid-template-columns: 2rem minmax(10rem, 1fr) 21rem 5.5rem 5.5rem 7rem 5.5rem; }
  }
}

/* Bottom bar with total and save button */
.savebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px max(16px, calc((100vw - 1080px) / 2 + 16px));
  background: var(--surface); border-top: 1px solid var(--line);
}
.savebar strong { white-space: nowrap; }

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.num { text-align: right; white-space: nowrap; }
.terms { color: var(--muted); font-size: 0.9rem; }
tfoot th { border-bottom: 0; }

.lanes td { vertical-align: middle; }
.lanes input { width: 5.5rem; text-align: right; }
.lanes .status { width: 2rem; padding-left: 0; color: var(--ok-text); }
.lanes .status.failed { color: var(--error-text); }
.lanes tr.hidden { display: none; }
#filter { margin: 8px 0 12px; max-width: 360px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 12px; margin: 16px 0; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.stats span { display: block; color: var(--muted); font-size: 0.85rem; }
.settlement .family-head th { background: var(--tint); }
.settlement .problem { color: var(--error-text); }

@media (max-width: 600px) {
  th, td { padding: 6px; }
  .lanes input { width: 4.5rem; }
  .pledges .terms { display: block; }
  .settlement .opt { display: none; }  /* in the CSV; keeps invoice and credit on screen */
}
@media (max-width: 380px) {
  .settlement { font-size: 0.85rem; }
  .settlement th, .settlement td { padding: 5px 4px; }
}