:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #1d232b; --muted: #5f6b7a; --line: #e2e6eb;
  --accent: #1f6feb; --accent-text: #ffffff; --ok: #1a7f37; --ok-bg: #e6f4ea;
  --bad: #c62828; --bad-bg: #fdecea; --neutral-bg: #eef1f5; --row-hover: #f2f6fc;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1318; --panel: #171c23; --text: #e6e9ee; --muted: #9aa5b3; --line: #2a313b;
    --accent: #4c8dff; --accent-text: #0b1220; --ok: #5cc27a; --ok-bg: #16301f;
    --bad: #ff7b72; --bad-bg: #3a1a1a; --neutral-bg: #222934; --row-hover: #1d2430;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }  /* over the display of .who, .more and the like */
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
button, input, select { font: inherit; color: inherit; }

.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; }
.mark { width: 18px; height: 18px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), #8a5cf6); }
.sub { color: var(--muted); }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); }

main { max-width: 1400px; margin: 0 auto; padding: 20px 24px 40px; }

.signin { max-width: 420px; margin: 8vh auto 0; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 24px; }
.signin h1 { margin: 0 0 6px; font-size: 20px; }
.signin p { color: var(--muted); margin: 0 0 16px; }
.signin form { display: grid; gap: 8px; }
.signin input { padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); }
.error { color: var(--bad); min-height: 1.4em; margin: 0; }

button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; }
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.link { border: 0; padding: 0; background: none; color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-bottom: 16px; }
.toolbar label { display: grid; gap: 4px; color: var(--muted); font-size: 12px; }
.toolbar input, .toolbar select { padding: 7px 8px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--panel); color: var(--text); font-size: 14px; min-width: 0; }
.toolbar .grow { flex: 1 1 220px; }
.actions { display: flex; gap: 8px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.card .value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card .label { color: var(--muted); font-size: 12px; }
.card.bad .value { color: var(--bad); }

.notice { background: var(--neutral-bg); border-radius: 6px; padding: 8px 12px; }

.tablewrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { position: sticky; top: 0; background: var(--panel); color: var(--muted); font-weight: 600; font-size: 12px;
  white-space: nowrap; }
tbody tr:hover { background: var(--row-hover); }
tbody tr:last-child td { border-bottom: 0; }
td.time, td.ip { white-space: nowrap; font-variant-numeric: tabular-nums; }
td.details { min-width: 220px; }
td .secondary { display: block; color: var(--muted); font-size: 12px; }
.pill { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 9px; font-size: 11px; font-weight: 600;
  vertical-align: 1px; background: var(--neutral-bg); color: var(--muted); }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.chip { border: 0; padding: 0; background: none; color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; }

.empty { text-align: center; color: var(--muted); padding: 24px; }
.more { display: block; margin: 12px auto 0; }
.foot { color: var(--muted); font-size: 12px; margin-top: 16px; }

.tabs { display: flex; gap: 4px; margin-right: auto; margin-left: 16px; }
.tabs button { border: 0; background: none; padding: 6px 12px; border-radius: 6px; color: var(--muted); }
.tabs button[aria-selected="true"] { background: var(--neutral-bg); color: var(--text); font-weight: 600; }

.yearnav { display: flex; align-items: center; gap: 8px; align-self: end; }
.yearnav span { min-width: 4ch; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }
.yearnav button { padding: 7px 11px; }

.months { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-bottom: 20px; }
.tile { --level: 0; display: grid; gap: 2px; text-align: left; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent) calc(var(--level) * 32%), var(--panel)); }
.tile .name { color: var(--muted); font-size: 12px; }
.tile .value { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile .note { color: var(--muted); font-size: 12px; }
.tile[aria-pressed="true"] { outline: 2px solid var(--accent); outline-offset: 1px; }
.tile:disabled { opacity: .45; cursor: default; }

.monthview { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.monthhead { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; }
.monthhead h2 { margin: 0; font-size: 18px; }
.monthhead p { margin: 0; color: var(--muted); }
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin: 14px 0 16px; }
.calendar .weekday { color: var(--muted); font-size: 12px; text-align: center; padding-bottom: 2px; }
.day { --level: 0; min-height: 58px; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent) calc(var(--level) * 38%), var(--panel)); font-size: 12px; }
.day.blank { border-color: transparent; background: none; }
.day .number { color: var(--muted); }
.day .area { display: block; font-weight: 600; font-size: 13px; font-variant-numeric: tabular-nums; }
.day .count { display: block; color: var(--muted); }
.day.today { border-color: var(--accent); }
.monthview .tablewrap { border-radius: 6px; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.free td { color: var(--muted); }
tr.free td.num.billed { font-weight: 400; }
td.num.billed { font-weight: 600; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.panel h2, .subhead { margin: 0 0 12px; font-size: 16px; }
.subhead { margin-top: 24px; }
.fields { display: flex; flex-wrap: wrap; gap: 12px; }
.fields label, dialog label { display: grid; gap: 4px; color: var(--muted); font-size: 12px; }
.fields input, .fields select, dialog input, td select {
  padding: 7px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); font-size: 14px; }
.fields .grow { flex: 1 1 240px; }
.hint { color: var(--muted); font-size: 12px; margin: 10px 0 12px; }
.buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.buttons button { padding: 4px 9px; font-size: 13px; }
button.danger { color: var(--bad); }
tr.removed td { color: var(--muted); }
dialog { width: min(520px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 10px; padding: 20px;
  background: var(--panel); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / 45%); }
dialog h2 { margin: 0 0 6px; font-size: 18px; }
dialog p { color: var(--muted); margin: 0 0 14px; }
dialog label { margin-bottom: 10px; }
dialog input { width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
dialog .actions { margin-top: 6px; }
dialog.wide { width: min(980px, calc(100vw - 32px)); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 3px 14px; margin: 0 0 12px; font-size: 13px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
pre.log { max-height: 40vh; overflow: auto; margin: 0 0 8px; padding: 10px 12px; background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre; }
td.details .chip { margin-top: 3px; display: inline-block; }
td.details .chip + .chip { margin-left: 12px; }
.diagnosis { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 18px; align-items: start;
  margin: 0 0 14px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; }
.diagnosis img { width: 100%; height: auto; border-radius: 6px; background: #fff; }
.diagnosis h3 { margin: 0 0 6px; font-size: 15px; }
.diagnosis .verdict { font-weight: 600; color: var(--text); margin: 0 0 10px; }
.diagnosis .hint { margin: 10px 0 0; }
@media (max-width: 760px) { .diagnosis { grid-template-columns: 1fr; } }
.diagnosis.pending { grid-template-columns: 1fr; }
.diagnosis.pending .hint { display: none; }
/* Waiting for the server: a small turning ring before the text. */
.loading::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px;
  border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: turn 0.8s linear infinite; }
@keyframes turn { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .loading::before { animation-duration: 2.4s; } }

a.button { display: inline-block; padding: 9px 14px; border-radius: 6px; text-decoration: none; text-align: center; }
a.button.primary { background: var(--accent); color: var(--accent-text); font-weight: 600; }
.title { font-size: 22px; margin: 4px 0 16px; }
.apps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-bottom: 16px; }
.appcard { display: grid; gap: 8px; align-content: start; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px; }
.appcard.mine { border-color: var(--accent); }
.appcard h2 { margin: 0; font-size: 18px; }
.appcard .pill { justify-self: start; margin: 0; }
.appcard .meta { margin: 0; color: var(--muted); }
.checksum { margin: 0; font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.checksum code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.steps ol { margin: 0 0 12px; padding-left: 20px; }
.steps li { margin-bottom: 6px; }
.upload { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.upload progress { flex: 1 1 200px; height: 10px; }

@media (max-width: 900px) {
  .months { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  .bar { padding: 10px 16px; }
  main { padding: 16px 16px 32px; }
  .toolbar label { flex: 1 1 140px; }
  .actions { width: 100%; }
  .actions button { flex: 1; }
  .bar { flex-wrap: wrap; }
  .tabs { order: 3; width: 100%; margin: 4px 0 0; }
  .months { grid-template-columns: repeat(3, 1fr); }
  .day { min-height: 46px; padding: 4px; }
  .day .count { display: none; }
}