:root {
  color-scheme: light dark;
  --bg: #f6f4f0;
  --paper: #fffdf9;
  --ink: #1b1916;
  --muted: #5c574f;
  --line: #e4ddd3;
  --accent: #0b5fff;
  --accent-ink: #fff;
  --ok: #157a3a;
  --warn-bg: #fff4d6;
  --warn-ink: #6a4b00;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(27, 25, 22, 0.06);
  --radius: 14px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161411;
    --paper: #1f1c18;
    --ink: #f4efe7;
    --muted: #b7b0a6;
    --line: #3a342c;
    --accent: #7aa7ff;
    --accent-ink: #12100e;
    --ok: #6dce8a;
    --warn-bg: #3a2d10;
    --warn-ink: #ffd888;
    --danger: #ff8a80;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  min-height: 100dvh;
}
a { color: var(--accent); }
header.app-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem;
}
.wrap { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
header .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; align-items: center; justify-content: space-between; }
h1 { font-size: 1.05rem; margin: 0; font-weight: 650; letter-spacing: -0.02em; }
.sub { color: var(--muted); font-size: 0.85rem; }
nav { display: flex; gap: 0.35rem; }
nav button {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
nav button[aria-current="page"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}
main { padding: 1.25rem 0 4rem; }
h2 { font-size: 1.35rem; letter-spacing: -0.03em; margin: 0 0 0.35rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.5rem; }
.lede { color: var(--muted); margin: 0 0 1rem; }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  margin: 0 0 0.85rem;
}
.banner {
  background: var(--warn-bg);
  color: var(--warn-ink);
  border: 1px solid color-mix(in srgb, var(--warn-ink) 20%, var(--line));
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin: 0 0 1rem;
}
.meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1rem; }
.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--paper);
}
.item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 0.7rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}
.item:first-of-type { border-top: 0; }
.kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.15rem;
}
.item a.title, .item .title { font-weight: 600; text-decoration: none; color: inherit; }
.item a.title:hover { color: var(--accent); }
.diff { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-left: 0.35rem; }
label.chk { display: flex; gap: 0.55rem; align-items: flex-start; }
input[type="checkbox"] { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; accent-color: var(--accent); }
label.field, .field { display: block; margin: 0.7rem 0; }
label.field span, .field span { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
input[type="text"], input[type="password"], input[type="number"], textarea {
  width: 100%;
  font: inherit;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}
textarea { min-height: 6rem; resize: vertical; }
button.primary, button.quiet {
  appearance: none;
  font: inherit;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  border: 1px solid transparent;
}
button.primary { background: var(--accent); color: var(--accent-ink); }
button.quiet { background: transparent; border-color: var(--line); color: var(--ink); }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.status { font-size: 0.9rem; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.err { color: var(--danger); }
.week-block { margin-bottom: 1.5rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; vertical-align: top; padding: 0.55rem 0.45rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.resources { display: grid; gap: 0.45rem; }
.resources a { display: block; padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: inherit; background: var(--paper); }
.resources a:hover { border-color: var(--accent); }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.35rem; }
.cal .dow { font-size: 0.72rem; color: var(--muted); text-align: center; }
.day {
  border: 1px solid var(--line);
  border-radius: 10px;
  min-height: 3.2rem;
  padding: 0.3rem;
  font-size: 0.78rem;
  background: var(--paper);
}
.day.has { outline: 2px solid color-mix(in srgb, var(--ok) 55%, transparent); }
.day.today { border-color: var(--accent); }
.day .n { font-weight: 650; display: block; }
.report { border-top: 1px solid var(--line); padding-top: 0.8rem; margin-top: 0.8rem; }
.lock { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }
.lock input { max-width: 16rem; }
@media (max-width: 720px) {
  .cal { grid-template-columns: repeat(4, 1fr); }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border: 0; padding: 0.2rem 0; }
  td::before { content: attr(data-label); display: block; color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.45rem; }
  tr { border-bottom: 1px solid var(--line); padding: 0.6rem 0; }
}

#report-prompt {
  min-height: 16rem;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre;
}
.copy-btn {
  width: 100%;
  padding: 0.9rem 1.2rem;
  font-size: 1.1rem;
  font-weight: 650;
}
#prompt-box { margin-top: 1rem; }