* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f7;
  color: #1d1d1f;
  margin: 0;
  display: flex;
  justify-content: center;
  padding: 4rem 1rem;
}

main {
  width: 100%;
  max-width: 420px;
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

form {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
}

input, select {
  padding: 0.5rem;
  border: 1px solid #d2d2d7;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  padding: 0.6rem;
  border: none;
  border-radius: 8px;
  background: #0071e3;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

button.link {
  background: none;
  color: #666;
  text-decoration: underline;
  margin-top: 1rem;
  padding: 0;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.preset-row button {
  margin: 0;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  background: #eef0f3;
  color: #1d1d1f;
}

.preset-row button.active {
  background: #0071e3;
  color: white;
}

.hint {
  color: #666;
  font-size: 0.78rem;
  margin: 0;
}

.checkbox-list {
  max-height: 160px;
  overflow-y: auto;
  border: 1px solid #d2d2d7;
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.checkbox-list label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  font-size: 0.9rem;
  cursor: pointer;
}

.checkbox-list input[type="checkbox"] {
  width: auto;
  padding: 0;
}

.checkbox-list.as-text-input {
  border: none;
  padding: 0;
  max-height: none;
}

.error {
  color: #d70015;
  font-size: 0.85rem;
  margin: 0;
  min-height: 1.2em;
}

.warning {
  color: #b25000;
  font-size: 0.85rem;
  margin: 0;
}

@media (prefers-color-scheme: dark) {
  body { background: #1c1c1e; color: #f5f5f7; }
  form { background: #2c2c2e; box-shadow: none; }
  input, select { background: #1c1c1e; color: #f5f5f7; border-color: #48484a; }
  .preset-row button { background: #3a3a3c; color: #f5f5f7; }
  .preset-row button.active { background: #0071e3; }
  .hint { color: #a1a1a6; }
  .checkbox-list { border-color: #48484a; }
}