* { box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  margin: 0;
  color: #1d1d1f;
  background: #fafafa;
}
main { max-width: 640px; margin: 0 auto; padding: 1rem 1rem 4rem; }
h1 { font-size: 1.6rem; }
a { color: var(--accent); }
.lang-bar {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 1rem 0;
  text-align: right;
}
.lang-bar a {
  display: inline-block;
  color: #666;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  background: #fff;
}
.lang-bar a:hover { color: var(--accent); border-color: var(--accent); }
.meta { color: #666; }
.week { display: flex; justify-content: space-between; margin: 1rem 0; }
.week a { color: var(--accent); text-decoration: none; }
.day h2 { font-size: 1rem; margin: 1.2rem 0 0.4rem; }
.none { color: #bbb; margin: 0; }
button.slot {
  background: #fff;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  margin: 0 0.4rem 0.4rem 0;
  cursor: pointer;
  font-size: 0.95rem;
}
button.slot.selected, button.slot:hover { background: var(--accent); color: #fff; }
#details {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
}
#details label { display: block; margin-bottom: 0.8rem; }
#details input, #details textarea {
  display: block;
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font: inherit;
}
#details button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.7rem 1.4rem;
  font-size: 1rem;
  cursor: pointer;
}
button.danger { background: #b00020; color: #fff; border: 0; border-radius: 6px; padding: 0.6rem 1.2rem; cursor: pointer; }
.warn { background: #fff3cd; border: 1px solid #ffe08a; padding: 0.8rem; border-radius: 6px; }
.hp { position: absolute; left: -9999px; }