:root {
  --bg: #f6f7f9; --card: #fff; --ink: #1d232b; --muted: #66707c; --line: #e2e6eb;
  --brand: #1f4e79; --brand-ink: #fff; --warn: #b45309; --warn-bg: #fff7ed; --due: #b42318; --credit: #067647;
  --personal: #f3effa; --personal-line: #c9b8ea;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --card: #1a1f25; --ink: #e8ecf1; --muted: #9aa4af; --line: #2b323a;
    --brand: #6ea8dc; --brand-ink: #0b1a28; --warn: #f5a524; --warn-bg: #2a2114; --due: #ff8a80; --credit: #6fd39b;
    --personal: #221d2c; --personal-line: #5b4a7d; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); padding-bottom: 76px; }
main { max-width: 980px; margin: 0 auto; padding: 16px; }
a { color: var(--brand); }
h1 { font-size: 1.4rem; margin: .4rem 0 .6rem; }
h2 { font-size: 1.1rem; margin: 1.4rem 0 .5rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); overflow-x: auto; }
.brand { font-weight: 700; text-decoration: none; white-space: nowrap; }
.topnav { display: flex; gap: 14px; align-items: center; white-space: nowrap; }
.topnav a { text-decoration: none; color: var(--ink); }
.bottom { position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-around; background: var(--card); border-top: 1px solid var(--line); padding: 8px 4px calc(8px + env(safe-area-inset-bottom)); }
.bottom a { text-decoration: none; color: var(--ink); font-size: .9rem; padding: 6px 8px; border-radius: 8px; }
.bottom a.primary { background: var(--brand); color: var(--brand-ink); font-weight: 600; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 12px 0; }
.card.narrow { max-width: 380px; margin: 10vh auto; }
.card.personal, tr.personal { background: var(--personal); border-color: var(--personal-line); }
.stack { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
input, select, textarea, button { font: inherit; }
input, select, textarea { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); min-height: 44px; }
.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); border: 0; border-radius: 8px; padding: 12px 16px; font-weight: 600; text-decoration: none; cursor: pointer; text-align: center; }
.btn.small { padding: 8px 12px; min-height: 40px; }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
button.link { background: none; border: 0; color: var(--brand); cursor: pointer; padding: 0; min-height: 0; }
button.link.danger { color: var(--due); }
form.inline { display: inline; }
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg label { flex-direction: row; align-items: center; gap: 6px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--card); }
.tabs { display: flex; gap: 8px; } .tabs a { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.tabs a.on { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: flex; flex-direction: column; gap: 4px; text-decoration: none; color: var(--ink); }
.tile span { font-size: .8rem; color: var(--muted); } .tile b { font-size: 1.25rem; }
.tile.warn { background: var(--warn-bg); border-color: var(--warn); } .tile.personal { background: var(--personal); border-color: var(--personal-line); }
.list { list-style: none; padding: 0; margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.list li { padding: 10px 12px; border-bottom: 1px solid var(--line); display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.list li:last-child { border-bottom: 0; }
.right { margin-left: auto; }
.pill { font-size: .75rem; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; color: var(--muted); }
.pill.hidden { border-color: var(--personal-line); color: var(--ink); background: var(--personal); }
.preview-bar { background: var(--warn-bg); border: 1px solid var(--warn); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.preview-pick { margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.preview-pick select { min-height: 32px; padding: 4px 8px; }
.pill.warn { border-color: var(--warn); color: var(--warn); }
.flash { background: var(--warn-bg); border: 1px solid var(--warn); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.note { background: var(--card); border-left: 3px solid var(--line); padding: 8px 12px; white-space: pre-line; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters input:not([type=checkbox]), .filters select { flex: 1 1 140px; }
.check { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); }
table.grid { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: .92rem; }
.grid th, .grid td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.grid thead th { font-size: .8rem; color: var(--muted); font-weight: 600; }
.num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.due { color: var(--due); } .credit { color: var(--credit); }
@media (max-width: 640px) {
  .topnav { display: none; }
  .hide-sm { display: none; }
  table.grid { display: block; overflow-x: auto; }
  table.grid { font-size: .8rem; } .grid th, .grid td { padding: 6px; }
  .grid td.small { word-break: break-word; }
}