:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background: #f5f7fb;
  color: #1f2937;
}

.container {
  max-width: 840px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

h1 {
  margin-bottom: 0.5rem;
}

.lead {
  margin-top: 0;
  color: #4b5563;
}

.toolbar {
  margin: 1.5rem 0 1rem;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
}

#addBoxButton {
  background: #2563eb;
  color: #fff;
}

.text-box-list {
  display: grid;
  gap: 0.75rem;
}

.text-box-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 0.8rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 0.7rem;
  font: inherit;
  resize: vertical;
}

.actions {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.5rem;
}

.copy-button {
  background: #059669;
  color: #fff;
}

.remove-button {
  background: #ef4444;
  color: #fff;
}

.legal {
  margin-top: 2rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1rem 1.2rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .actions {
    flex-direction: column;
  }
}