:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --fg: #1d1f1e;
  --muted: #646a67;
  --line: #dcdcd6;
  --accent: #2f6f5e;
  --accent-fg: #ffffff;
  --accent-soft: #d8ebe4;
  --danger: #b3261e;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141716;
    --card: #1f2321;
    --fg: #ecefed;
    --muted: #9ea6a2;
    --line: #333937;
    --accent: #5fb89c;
    --accent-fg: #0b1512;
    --accent-soft: #23463b;
    --danger: #f2948c;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 560px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
.app.stats { height: auto; min-height: 100dvh; padding-inline: 16px; padding-bottom: 32px; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
}
.stats header { padding-inline: 0; }
header form { margin: 0; }
.btn, button.link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  background: none;
  border: 0;
  padding: 8px 0;
}

/* recent entries scroll, the entry form stays in thumb reach at the bottom */
.recent { flex: 1; overflow-y: auto; padding: 0 16px; }
.recent ul { list-style: none; margin: 0; padding: 0; }
.recent li {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.when { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.dur { font-variant-numeric: tabular-nums; font-weight: 600; }
form.del { margin: 0; }
form.del button {
  min-width: 44px;
  min-height: 36px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--muted);
}
form.del button.armed { background: var(--danger); color: var(--bg); font-size: 14px; padding: 0 10px; }
.empty { color: var(--muted); text-align: center; padding: 24px 0; }

.entry {
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 12px 16px 16px;
  display: grid;
  gap: 10px;
}
.entry label { display: grid; gap: 2px; font-size: 13px; color: var(--muted); }
.entry input {
  width: 100%;
  min-height: 44px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.minutes input { font-size: 26px; font-weight: 700; text-align: center; }

.quick { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.quick button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  font-weight: 600;
  padding: 0;
}
.quick button.on { background: var(--accent-soft); border-color: var(--accent); }

.cats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cats button {
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
}
.cats button:last-child:nth-child(odd) { grid-column: span 2; }
.cats button:active, .quick button:active { transform: scale(.97); }

.msg { margin: 0; padding: 8px 12px; border-radius: 10px; font-size: 15px; }
.msg.ok { background: var(--accent-soft); }
.msg.err { color: var(--danger); border: 1px solid var(--danger); }

.login { max-width: 360px; margin: 0 auto; padding: 18vh 16px 0; }
.login form { display: grid; gap: 12px; }
.login input { min-height: 48px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.primary { min-height: 52px; border: 0; border-radius: 12px; background: var(--accent); color: var(--accent-fg); font-weight: 600; }

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tiles div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: grid; }
.tiles span { color: var(--muted); font-size: 13px; }
.tiles strong { font-size: 26px; font-variant-numeric: tabular-nums; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 24px 0 6px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 0; border-bottom: 1px solid var(--line); text-align: left; font-weight: normal; white-space: nowrap; }
th { padding-right: 12px; width: 1%; }
td.sub { color: var(--muted); font-size: 14px; }
td.num { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; width: 1%; padding-left: 12px; }
td.bar span { display: block; height: 10px; border-radius: 5px; background: var(--accent); min-width: 2px; }