:root {
  color-scheme: light;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #e4ddd0;
  --paper: #f6f3ec;
  --card: #fffcf7;
  --green: #1f4d3a;
  --green-soft: #e7f0ea;
  --amber: #8a5a12;
  --amber-soft: #f8efd8;
  --red: #8d2f2f;
  --red-soft: #f8e6e4;
  --shadow: 0 1px 2px rgba(40, 32, 20, 0.06);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

button, input, textarea, select { font: inherit; color: inherit; }

button { cursor: pointer; }

#app { min-height: 100vh; }

.shell {
  width: min(880px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 6rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.brand {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.who { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.92rem; }

.linkish {
  background: none;
  border: 0;
  padding: 0;
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1rem 1.05rem;
  margin-bottom: 0.9rem;
}

.card h2, .card h3 { margin: 0 0 0.35rem; }

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

.row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.grow { flex: 1 1 220px; }

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

label, .lbl {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

input, textarea, select {
  width: 100%;
  border: 1px solid #d9d0c2;
  background: white;
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  font-size: 16px;
}

textarea { min-height: 6rem; resize: vertical; }

.btn {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: var(--green);
  color: white;
  font-weight: 650;
}

.btn.secondary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}

.btn:disabled { opacity: 0.55; cursor: wait; }

.stack { display: grid; gap: 0.75rem; }

.duty {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.duty:first-of-type { border-top: 0; }

.tag {
  display: inline-block;
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  background: var(--green-soft);
  color: var(--green);
}

.tag.warn { background: var(--amber-soft); color: var(--amber); }
.tag.bad { background: var(--red-soft); color: var(--red); }

.check-cart {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  margin-top: 0.8rem;
}

.check-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.error {
  background: var(--red-soft);
  color: var(--red);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  margin: 0 0 0.8rem;
}

.oknote {
  background: var(--green-soft);
  color: var(--green);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}

.nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 0.25rem;
  justify-content: space-around;
  padding: 0.45rem 0.5rem calc(0.45rem + env(safe-area-inset-bottom));
  background: rgba(255, 252, 247, 0.96);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav button {
  flex: 1;
  border: 0;
  background: transparent;
  border-radius: 10px;
  padding: 0.45rem 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.nav button.active {
  background: var(--green-soft);
  color: var(--green);
}

.cal-head, .cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.35rem;
}

.cal-head { color: var(--muted); font-size: 0.75rem; text-align: center; margin-bottom: 0.35rem; }

.day {
  min-height: 4.4rem;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 10px;
  text-align: left;
  padding: 0.35rem;
  font-size: 0.78rem;
}

.day.muted { color: #b3ab9e; }
.day.thu { background: white; border-color: var(--line); }
.day.today { outline: 2px solid var(--green); }
.day strong { display: block; font-size: 0.85rem; }
.day span { display: block; color: var(--muted); line-height: 1.25; }

.message { border-top: 1px solid var(--line); padding: 0.8rem 0; }
.message p { margin: 0.25rem 0 0; white-space: pre-wrap; }

.issue img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 0.6rem;
  background: var(--paper);
}

.person, .cart-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.login {
  width: min(440px, calc(100% - 2rem));
  margin: 8vh auto;
}

.secret {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1rem;
}

@media (max-width: 640px) {
  .pair { grid-template-columns: 1fr; }
}