* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #f5f5f7);
  color: var(--tg-theme-text-color, #111);
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

header {
  margin-bottom: 20px;
}

.label {
  margin: 0;
  font-size: 13px;
  color: var(--tg-theme-hint-color, #666);
}

h1 {
  margin: 4px 0 8px;
  font-size: 24px;
}

h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.muted {
  color: var(--tg-theme-hint-color, #666);
  font-size: 14px;
}

section {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}

input[type="number"],
input[type="date"],
input[type="text"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-size: 16px;
  background: var(--tg-theme-secondary-bg-color, #fff);
  color: inherit;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 16px;
  cursor: pointer;
}

button.secondary {
  background: var(--tg-theme-secondary-bg-color, #ececec);
  color: inherit;
  width: 100%;
  margin-top: 8px;
}

#submit-btn {
  width: 100%;
  background: var(--tg-theme-button-color, #2481cc);
  color: var(--tg-theme-button-text-color, #fff);
  font-weight: 600;
}

.item-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  gap: 8px;
  margin-bottom: 8px;
}

.item-row .remove {
  padding: 0 12px;
  background: #ffecec;
  color: #b00020;
}

.error {
  color: #b00020;
  margin-bottom: 12px;
}

.hidden {
  display: none;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 520px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}