:root {
  --lavender: #9b7fd4;
  --lavender-dark: #7c5cb8;
  --lavender-light: #efe9fb;
  --text: #2a2a2a;
  --muted: #6b6b6b;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #faf8fc;
  color: var(--text);
  margin: 0;
  padding: 0 1rem 3rem;
}

.hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
}

.hero-icon {
  font-size: 2rem;
  color: var(--lavender);
  margin-bottom: 0.5rem;
}

h1 {
  margin: 0 0 0.4rem;
  color: var(--lavender-dark);
  font-size: 2rem;
}

h2 {
  color: var(--lavender-dark);
  font-size: 1.2rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon {
  color: var(--lavender);
  display: inline-block;
}

.subtitle {
  color: var(--muted);
  margin: 0;
  font-size: 1.05rem;
}

main {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

section {
  background: white;
  border: 1px solid #eee0fa;
  border-radius: 12px;
  padding: 1.5rem;
}

.about p {
  color: var(--text);
  line-height: 1.5;
}

.how-it-works {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.how-it-works li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.how-it-works .icon {
  background: var(--lavender-light);
  color: var(--lavender-dark);
  font-weight: 700;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

label {
  display: block;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
}

textarea, select {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem;
  border: 1px solid #d8cdec;
  border-radius: 6px;
}

textarea:focus, select:focus {
  outline: none;
  border-color: var(--lavender);
  box-shadow: 0 0 0 3px var(--lavender-light);
}

button, #downloadBtn {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  background: var(--lavender);
  color: white;
  cursor: pointer;
}

button:hover, #downloadBtn:hover {
  background: var(--lavender-dark);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ghost-btn {
  background: none;
  color: var(--lavender-dark);
  border: 1px solid var(--lavender);
  margin-top: 0;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
}

.ghost-btn:hover {
  background: var(--lavender-light);
}

#status {
  min-height: 1.2em;
  color: #a04040;
}

.hidden {
  display: none !important;
}

.actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

#downloadBtn {
  display: inline-block;
  text-decoration: none;
}

audio {
  display: block;
  width: 100%;
  margin-top: 1rem;
  accent-color: var(--lavender);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#historyList {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.history-item {
  border: 1px solid #eee0fa;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.history-item:hover {
  background: var(--lavender-light);
}

.history-item-info {
  overflow: hidden;
}

.history-item-topic {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.history-item-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  margin: 0;
  padding: 0.2rem 0.4rem;
}

.history-item-delete:hover {
  color: #a04040;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  text-align: center;
  margin-top: 2rem;
}