:root {
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --bg: #e9eae6;
  --surface: #f7f7f4;
  --fg: #151515;
  --muted: #696b66;
  --rule: #c4c6c0;
  --accent: #ff4f00;
  --accent-fg: #151515;
  --sel-bg: #ecece7;
  --ok: #2f7d32;
  --soon: #9a6700;
  --overdue: #c0392b;
  --never: #1f5fbf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0d0d;
    --surface: #151616;
    --fg: #e9e9e6;
    --muted: #85877f;
    --rule: #2d2f2d;
    --accent: #ff6a26;
    --accent-fg: #0c0d0d;
    --sel-bg: #1e2020;
    --ok: #8bd17c;
    --soon: #e5c07b;
    --overdue: #ff7a6b;
    --never: #79b8ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 var(--mono);
  font-variant-ligatures: none;
  -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

header, main, footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1rem;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

h1, h2 { font-size: inherit; margin: 0; }

.s-overdue { --s: var(--overdue); }
.s-soon { --s: var(--soon); }
.s-ok { --s: var(--ok); }
.s-never { --s: var(--never); }

/* Header */

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 2ch;
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}

.brand {
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  text-decoration: none;
}

.date {
  flex: 1;
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.add, a.button, button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 4px 12px;
  border: 1px solid var(--rule);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
}

.add, .primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

.add:hover, a.button:hover, .primary:hover, .primary.done {
  background: var(--fg);
  border-color: var(--fg);
  color: var(--bg);
}

/* Counters */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0.25rem 0 0;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.stats span {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 10px 12px;
  border-left: 1px solid var(--rule);
}

.stats span:first-child { border-left: 0; }

.stats b {
  color: var(--s);
  font-size: 1.9rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stats i {
  color: var(--muted);
  font-size: .7rem;
  font-style: normal;
  letter-spacing: .1em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

/* Groups and rows */

.thead { display: none; }

.groups { display: grid; gap: 16px; margin-top: 16px; }

.group, .panel {
  border: 1px solid var(--rule);
  background: var(--surface);
}

.group h2 {
  display: flex;
  align-items: center;
  gap: 1ch;
  padding: 8px 12px;
  border-bottom: 1px solid var(--rule);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.group h2::before { content: ""; width: 8px; height: 8px; background: var(--s); }
.count { margin-left: auto; color: var(--muted); font-weight: 400; }

.rows { list-style: none; margin: 0; padding: 0; }

.row {
  display: flex;
  align-items: center;
  gap: 1.5ch;
  padding: 10px 12px;
  border-top: 1px solid var(--rule);
}

.row:first-child { border-top: 0; }
.row.sel { background: var(--sel-bg); box-shadow: inset 3px 0 var(--accent); }

.row-main {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "name status" "bar bar" "meta meta";
  column-gap: 2ch;
  text-decoration: none;
}

.name { grid-area: name; font-weight: 700; overflow-wrap: anywhere; }
.status { grid-area: status; color: var(--s); white-space: nowrap; }
.bar { grid-area: bar; white-space: nowrap; overflow: hidden; }
.bar .fill { color: var(--s); }
.bar .rest { color: var(--rule); }
.bar .pct { color: var(--muted); margin-left: 1ch; }
.meta { grid-area: meta; display: flex; flex-wrap: wrap; gap: 0 2ch; color: var(--muted); }

.tick {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 1.2rem;
}

.tick:hover { color: var(--fg); }
.tick-glyph::before { content: "○"; }
.tick.done { color: var(--ok); }
.tick.done .tick-glyph::before { content: "●"; }

@media (min-width: 44rem) {
  .thead, .row-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 7ch 9ch 13ch 13ch;
    column-gap: 2ch;
  }

  .thead {
    padding: 0 calc(12px + 44px + 1.5ch) 0 13px;
    margin: 26px 0 -6px;
    color: var(--muted);
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase;
  }

  .thead span:last-child, .status { text-align: right; }
  .row-main { grid-template-areas: "name rhythm last bar status"; align-items: center; }
  .meta { display: contents; }
  .rhythm { grid-area: rhythm; }
  .last { grid-area: last; }
  .lbl { display: none; }
}

/* Panels: detail, forms, empty states */

.panel { padding: 16px; }
.panel h1 { font-size: 1.1rem; margin-bottom: 14px; }
.panel p { margin: 0 0 16px; color: var(--muted); }
.panel.empty, .panel.login { margin-top: 1rem; }

.back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  text-decoration: none;
}

.back:hover { color: var(--fg); }

.d-name { font-size: 1.5rem; line-height: 1.25; overflow-wrap: anywhere; }

.kv { margin: 0; }
.kv div { display: grid; grid-template-columns: 9ch minmax(0, 1fr); gap: 2ch; padding: 6px 0; border-top: 1px solid var(--rule); }
.kv dt { align-self: center; color: var(--muted); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.kv .st { color: var(--s); }

button.primary { width: 100%; min-height: 48px; margin-top: 20px; }

.notes, .edit { margin-top: 28px; }

.notes h2, .edit summary {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.notes p { margin: 0; max-width: 64ch; white-space: pre-line; }
.notes p.none { color: var(--muted); }

.edit summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; }
.edit summary:hover { color: var(--fg); }
.edit[open] summary { color: var(--fg); }

.contact-form label {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  letter-spacing: normal;
  text-transform: none;
}

input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.contact-form input, .contact-form textarea { display: block; width: 100%; margin-top: 6px; color: var(--fg); }
.cadence { display: flex; gap: 0.5rem; margin-top: 6px; }
.cadence input { margin-top: 0; width: 7rem; }
.cadence select { color: var(--fg); }
.contact-form button.primary { margin-top: 4px; }

.error {
  border: 1px solid var(--overdue);
  color: var(--overdue);
  padding: 0.6rem 0.75rem;
}

.panel .error { color: var(--overdue); }

.quiet { min-height: 44px; color: var(--muted); }
.quiet:hover { color: var(--fg); }
.quiet.danger { margin-top: 8px; }
.quiet.danger:hover { color: var(--overdue); }

.login a.button { width: 100%; min-height: 48px; }

footer { padding-top: 1.5rem; padding-bottom: 6rem; text-align: center; }

/* Toast and keyboard hints */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100% - 32px);
  display: flex;
  align-items: center;
  gap: 2ch;
  padding: 6px 6px 6px 14px;
  background: var(--fg);
  color: var(--bg);
}

.toast button { padding: 8px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.keys { display: none; }

@media (hover: hover) and (pointer: fine) and (min-width: 44rem) {
  .keys {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 3ch;
    margin: 0;
    padding: 6px 1rem calc(6px + env(safe-area-inset-bottom));
    background: var(--bg);
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 13px;
  }

  .keys kbd { font: inherit; font-weight: 700; color: var(--fg); }
  .toast { bottom: calc(52px + env(safe-area-inset-bottom)); }
}