:root {
  --forest: #1a3d2b;
  --green: #2d6a4f;
  --gold: #c9a84c;
  --sage: #a8c5a0;
  --bg: #f6f7f4;
  --card: #ffffff;
  --text: #1c2420;
  --muted: #5d6b63;
  --border: #dde3dc;
  --danger: #a33a2c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101814;
    --card: #18231d;
    --text: #e8eee9;
    --muted: #9fb0a5;
    --border: #2a3a31;
    --green: #4f9a74;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 "DM Sans", system-ui, sans-serif;
}
h1, h2, h3 { font-family: "Cormorant Garamond", Georgia, serif; margin: 0 0 8px; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

.top {
  background: var(--forest);
  color: #fff;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.top .sub { margin: 0; color: var(--sage); font-size: 0.9rem; }
.powered { color: var(--gold); font-size: 0.8rem; white-space: nowrap; padding-top: 6px; }

.tabs {
  display: flex;
  overflow-x: auto;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}
.tabs button {
  flex: 1;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: none;
  padding: 12px 10px;
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}
.tabs button.active { color: var(--green); border-bottom-color: var(--gold); }

main { max-width: 720px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.hidden { display: none !important; }
.stack > * + * { margin-top: 10px; }

label { display: block; font-weight: 500; font-size: 0.9rem; margin-bottom: 10px; }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
textarea { resize: vertical; }

button {
  font: inherit;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}
button.primary { background: var(--green); border-color: var(--green); color: #fff; }
button.danger { color: var(--danger); border-color: var(--danger); }
button:disabled { opacity: 0.6; cursor: wait; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.two-col { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 560px) { .two-col { grid-template-columns: 1fr 1fr; } }

.hint { color: var(--muted); font-size: 0.85rem; margin: 0 0 10px; }
.status { min-height: 1.5em; margin: 10px 0 0; font-size: 0.9rem; color: var(--muted); }
.status.error { color: var(--danger); }
.status.ok { color: var(--green); }

.drill {
  border-left: 4px solid var(--gold);
  padding: 8px 12px;
  margin: 10px 0;
  background: var(--bg);
  border-radius: 0 8px 8px 0;
}
.drill strong { display: block; }
.drill .purpose { color: var(--green); font-size: 0.92rem; }
.drill .notes { color: var(--muted); font-size: 0.88rem; }

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.list-item + .list-item { border-top: 1px solid var(--border); margin-top: 10px; padding-top: 10px; }
.list-item .meta { color: var(--muted); font-size: 0.85rem; }
.chip {
  display: inline-block;
  background: var(--sage);
  color: var(--forest);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.8rem;
  margin: 2px 4px 2px 0;
}
.timeline-item { border-left: 2px solid var(--sage); padding: 0 0 14px 14px; }
.timeline-item .date { font-weight: 700; font-size: 0.85rem; color: var(--green); }
.bar { height: 8px; background: var(--gold); border-radius: 4px; }
.bar-row { display: grid; grid-template-columns: 9rem 1fr 2rem; gap: 8px; align-items: center; font-size: 0.85rem; margin: 4px 0; }

.login-card { max-width: 420px; margin: 32px auto; }
#save-state { font-size: 0.75rem; color: var(--muted); }
pre.recap { white-space: pre-wrap; font: inherit; font-size: 0.9rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin: 8px 0 0; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }