:root {
  --accent: #60a5fa;
  --muted: #94a3b8;
  --glass: rgba(255, 255, 255, 0.03);
}
body {
  background: #aecdec;
  color: #e6eef8;
  font-family: Inter, sans-serif;
  display: flex;
  justify-content: center;
  padding: 28px;
}
.container {
  width: 100%;
  max-width: 800px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 6px 30px rgba(2, 6, 23, 0.6);
}
h1 {
  font-size: 22px;
  color: black;
}
p.lead {
  color: blue;
  margin-bottom: 12px;
}
.card {
  background: #0b1220;
  padding: 14px;
  border-radius: 10px;
  margin-bottom: 15px;
}
textarea {
  width: 100%;
  max-width: 100%;         /* ✅ Prevent overflow */
  height: 180px;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 15px;
  resize: vertical;
  color: #333;
  box-sizing: border-box;  /* ✅ Include padding in width */
}

.btn {
  display: block;
  width: 100%;             /* ✅ Align with textarea */
  margin-top: 12px;
  padding: 12px;
  background: var(--accent);
  color: #04203b;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-align: center;
  font-size: 15px;
}

.result-container {
  background: #062949;
  padding: 15px;
  border-radius: 10px;
  margin-top: 15px;
}
#output {
  background: #0f1724;
  padding: 12px;
  border-radius: 8px;
  min-height: 100px;
  color: #e6eef8;
  margin-bottom: 10px;
  white-space: pre-wrap;
}
.stats p {
  margin: 4px 0;
  font-size: 14px;
}
.highlight-long {
  background: yellow;
  color: black;
}
.highlight-passive {
  background: lightcoral;
  color: black;
}
.highlight-adverb {
  background: lightgreen;
  color: black;
}
footer {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}