:root {
  color-scheme: light;
  --bg: #f5f2ed;
  --card: #fffdf9;
  --ink: #28302f;
  --muted: #66706e;
  --accent: #376d64;
  --accent-soft: #dcebe6;
  --warning: #8a5b2e;
  --border: #d8d8d1;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5; }
main, header { width: min(100% - 2rem, 42rem); margin-inline: auto; }
header { display: flex; justify-content: space-between; align-items: center; padding-block: 1rem; }
h1 { font-size: clamp(1.55rem, 6vw, 2.1rem); line-height: 1.15; }
h2 { font-size: 1.2rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1rem; margin-block: 1rem; box-shadow: 0 2px 10px rgb(40 48 47 / 5%); }
.stack { display: grid; gap: .85rem; }
.choices { display: grid; gap: .55rem; }
.choice { display: flex; align-items: center; min-height: 3rem; border: 1px solid var(--border); border-radius: .8rem; padding: .7rem .8rem; background: white; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
input[type="radio"], input[type="checkbox"] { width: 1.25rem; height: 1.25rem; margin-right: .65rem; accent-color: var(--accent); }
textarea, input[type="text"], input[type="password"] { width: 100%; min-height: 3rem; padding: .75rem; border: 1px solid var(--border); border-radius: .7rem; font: inherit; }
input[type="number"], select { width: 100%; min-height: 3rem; padding: .75rem; border: 1px solid var(--border); border-radius: .7rem; background: white; font: inherit; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 650; margin-bottom: .5rem; }
textarea { min-height: 8rem; resize: vertical; }
button, .button { display: inline-flex; justify-content: center; align-items: center; min-height: 3rem; border: 0; border-radius: .8rem; padding: .7rem 1rem; background: var(--accent); color: white; font: inherit; font-weight: 650; text-decoration: none; cursor: pointer; }
.button.secondary, button.secondary { background: var(--accent-soft); color: var(--ink); }
.muted { color: var(--muted); }
.error { color: #8b2020; background: #fae5e5; padding: .75rem; border-radius: .7rem; }
.status { display: flex; gap: .5rem; align-items: center; }
.advice-group { border-left: .3rem solid var(--accent); padding-left: .8rem; }
.advice-if_room { border-color: #b8863b; }
.advice-other_day { border-color: #9b6a66; }
.activity { border-top: 1px solid var(--border); padding-block: .8rem; }
.activity-row { display: grid; grid-template-columns: 1fr minmax(8rem, auto) auto; gap: .5rem; align-items: center; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.diary-text { white-space: pre-wrap; }
.spinner { width: 1.2rem; height: 1.2rem; border: .18rem solid var(--accent-soft); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }