:root {
  --brand: #8b0000;
  --bg: #ffffff; --text: #1b1b1b; --muted: #595959; --border: #d4d4d4; --card: #f7f6f6; --row: #fbfafa;
  --link: #8b0000; --focus: #0b5fd6; --ok: #1b6e2f; --warn: #8a5a00; --danger: #a40000;
  --ok-bg: #e3f4e7; --warn-bg: #fff1d6; --danger-bg: #fde3e3; --neutral-bg: #ececec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141212; --text: #ecebeb; --muted: #aaa6a6; --border: #3a3535; --card: #1e1b1b; --row: #191616;
    --link: #ff9d9d; --focus: #7fb0ff; --ok: #7fd593; --warn: #f2c166; --danger: #ff9d9d;
    --ok-bg: #12301b; --warn-bg: #3a2c0b; --danger-bg: #3b1515; --neutral-bg: #2b2727;
  }
}
* { 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, Helvetica, Arial, sans-serif; overflow-wrap: anywhere; }
a { color: var(--link); }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; }
h2 { font-size: 1.25rem; margin: 1.6rem 0 .5rem; }
h3 { font-size: 1.05rem; margin: 1rem 0 .4rem; }
p { margin: .4rem 0; }
.muted { color: var(--muted); }
.pad { padding: 1rem; }
.small { font-size: .875rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg); color: var(--text); padding: .5rem 1rem; z-index: 20; }
.skip:focus { left: 0; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
main { max-width: 1100px; margin: 0 auto; padding: 1rem 16px 3rem; }
main:focus { outline: none; }

/* nav */
.nav { background: var(--brand); color: #fff; display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1rem; padding: .5rem 16px; }
.nav[hidden] { display: none; }
.nav .brand { font-weight: 700; letter-spacing: .02em; margin-right: .5rem; }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; }
.nav a { color: #fff; text-decoration: none; padding: .4rem .7rem; border-radius: 6px; display: inline-block; }
.nav a:hover { background: rgba(255,255,255,.18); }
.nav a[aria-current="page"] { background: rgba(255,255,255,.28); font-weight: 600; }
.nav .who { margin-left: auto; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.nav :focus-visible { outline-color: #fff; }
.nav button { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.7); border-radius: 6px; padding: .35rem .8rem; font: inherit; cursor: pointer; }
.nav button:hover { background: rgba(255,255,255,.18); }

.flash { position: sticky; top: 0; z-index: 10; }
.flash p { margin: 0; padding: .6rem 16px; background: var(--ok-bg); color: var(--ok); border-bottom: 1px solid var(--ok); font-weight: 600; }

/* buttons and forms */
.btn { font: inherit; padding: .5rem .9rem; border-radius: 6px; border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; min-height: 40px; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.15); }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.small { padding: .25rem .6rem; min-height: 32px; font-size: .875rem; }
.btn[disabled] { opacity: .55; cursor: wait; }
.form { display: grid; gap: .75rem; margin: .6rem 0; }
.grid { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.field { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.field label, .field .lbl { font-weight: 600; font-size: .9rem; }
.field .hint { font-size: .8rem; color: var(--muted); }
input, select, textarea { font: inherit; padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); width: 100%; min-height: 40px; }
textarea { min-height: 70px; resize: vertical; }
input[type="radio"], input[type="checkbox"] { width: auto; min-height: 0; margin-right: .4rem; }
.choice { display: block; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 6px; background: var(--card); }
.choice label { font-weight: 600; }
.choice p { margin: .2rem 0 0 1.5rem; }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: .5rem; }
legend { font-weight: 600; font-size: .9rem; padding: 0; margin-bottom: .25rem; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.msg { min-height: 1.2em; margin: 0; }
.msg.error { color: var(--danger); font-weight: 600; }
.msg.ok { color: var(--ok); font-weight: 600; }
.box { border: 1px solid var(--border); background: var(--card); border-radius: 8px; padding: .75rem 1rem; margin: .75rem 0; }
.box.invite { border-color: var(--warn); background: var(--warn-bg); }
.invite-row { display: flex; gap: .5rem; flex-wrap: wrap; }
.invite-row input { flex: 1 1 260px; }
details.box > summary { cursor: pointer; font-weight: 600; }
details.box[open] > summary { margin-bottom: .5rem; }

/* sign-in */
.center { max-width: 420px; margin: 2rem auto; }
.center h1 { color: var(--brand); }
@media (prefers-color-scheme: dark) { .center h1 { color: var(--link); } }

/* tables */
.scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: .5rem .7rem; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
th:first-child, td:first-child, th.l, td.l { text-align: left; }
td.wrap, th.wrap { white-space: normal; min-width: 180px; }
thead th { background: var(--card); font-size: .85rem; position: sticky; top: 0; }
tbody tr:nth-child(even) { background: var(--row); }
tfoot td { font-weight: 700; }
caption { text-align: left; padding: .5rem .7rem; font-weight: 600; }

/* badges */
.badge { display: inline-block; font-size: .75rem; font-weight: 700; padding: .1rem .5rem; border-radius: 999px; background: var(--neutral-bg); color: var(--text); margin-left: .35rem; vertical-align: middle; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--danger-bg); color: var(--danger); }

/* pie */
.pie-wrap { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; margin: 1rem 0; }
.pie-wrap svg { width: min(100%, 320px); height: auto; flex: 0 0 auto; }
.pie-wrap svg path, .pie-wrap svg circle { stroke: var(--bg); stroke-width: 1.5; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; flex: 1 1 220px; }
.legend li { display: flex; align-items: center; gap: .5rem; }
.legend svg { width: 14px; height: 14px; flex: 0 0 14px; }
.legend .pct { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 600; }
.total { font-size: 1.1rem; }
.total strong { font-size: 1.6rem; color: var(--brand); }
@media (prefers-color-scheme: dark) { .total strong { color: var(--link); } }

/* entries */
.entry { border: 1px solid var(--border); border-radius: 8px; padding: .75rem 1rem; margin: .75rem 0; background: var(--card); }
.entry.void { opacity: .75; }
.entry.void h3 { text-decoration: line-through; }
.entry.challenged { border-left: 5px solid var(--warn); }
.entry header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; align-items: baseline; }
.entry h3 { margin: 0; }
.entry .etotal { font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .25rem .9rem; margin: .5rem 0; }
.kv div { display: flex; justify-content: space-between; gap: .5rem; border-bottom: 1px dotted var(--border); font-variant-numeric: tabular-nums; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.note { font-style: italic; }
.chal { background: var(--warn-bg); color: var(--text); border-radius: 6px; padding: .4rem .7rem; margin: .4rem 0; }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: .55rem 0; border-bottom: 1px solid var(--border); }
.feed time { color: var(--muted); font-size: .85rem; display: block; }
.feed .why { color: var(--muted); }
.row-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .4rem; }

/* phones: keep names narrow and sticky so the numbers beside them stay in reach */
@media (max-width: 600px) {
  th, td { padding: .4rem .5rem; font-size: .9rem; }
  .scroll table td:first-child, .scroll table th:first-child { position: sticky; left: 0; background: var(--card); max-width: 150px; white-space: normal; z-index: 1; }
}