:root {
  --bg: #faf9f7;
  --card: #fff;
  --ink: #1c1a17;
  --muted: #6b6459;
  --line: #e5e0d8;
  --accent: #3a5a40;
  --accent-soft: #c5d6c8;
  --done: #eef3ef;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.5;
  padding: 0 1.25rem 3rem;
  max-width: 720px;
  margin: 0 auto;
}

[hidden] { display: none !important; }

.btn {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--accent-soft); }

.login-card {
  max-width: 320px;
  margin: 4rem auto;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.login-card form { display: flex; flex-direction: column; gap: 0.6rem; }
.login-card label { font-size: 0.85rem; color: var(--muted); }
.login-card input {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}
#login-error { color: #8a3a2f; font-size: 0.85rem; margin: 0; }

header {
  padding: 1.5rem 0 1rem;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
}

.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

h1 { margin: 0; font-size: 1.6rem; }
.today { margin: 0.15rem 0 0; color: var(--muted); }

.fetch-error { margin: 0.5rem 0 0; color: #8a3a2f; font-size: 0.85rem; }

.cadence-nav, .day-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.day-tabs { margin: 0 0 1rem; }

.cadence-btn.is-active, .day-tab-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.checklist-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin: 0 0 1rem;
}

.checklist-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}
.checklist-title { margin: 0; font-size: 1.05rem; }
.checklist-progress { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.checklist-owner { margin: 0.1rem 0 0; color: var(--muted); font-size: 0.8rem; }

.fast-finish-note {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.checklist-items {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.checklist-item label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.2rem;
  cursor: pointer;
}
.checklist-item .item-check {
  width: 20px;
  height: 20px;
  flex: none;
}
.checklist-item .item-label { flex: 1; }
.checklist-item .item-time { color: var(--muted); font-size: 0.8rem; white-space: nowrap; }
.checklist-item.is-done .item-label { color: var(--muted); text-decoration: line-through; }

.checklist-card.is-kids .item-check {
  width: 28px;
  height: 28px;
}
.checklist-card.is-kids .item-label { font-size: 1.1rem; }
.checklist-card.is-kids .checklist-item label { padding: 0.6rem 0.2rem; }

.weekend-day-heading { margin: 1.2rem 0 0.4rem; font-size: 1rem; }

.empty-note { color: var(--muted); }