:root {
  --bg: #111318;
  --card: #1a1d24;
  --text: #f2f3f5;
  --muted: #9099a8;
  --accent: #6366f1;
  --border: #2a2e38;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

h1 {
  font-size: 28px;
  margin: 0 0 6px;
}

.sub {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 15px;
}

form {
  display: flex;
  gap: 8px;
}

input[type="url"] {
  flex: 1;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 15px;
}

input[type="url"]:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  padding: 14px 20px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

.status {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--card);
  color: var(--muted);
  font-size: 14px;
}

.status.error {
  color: #f87171;
}

.result {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.result-head h2 {
  font-size: 16px;
  margin: 0;
  color: var(--muted);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#copyBtn {
  background: var(--border);
  padding: 8px 14px;
  font-size: 13px;
  flex-shrink: 0;
}

#transcript {
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 15px;
  margin: 0;
}