:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  min-height: 100vh;
  background: radial-gradient(circle at top, #0b1227 0%, #0f172a 70%);
  color: #e5e7eb;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 30px;
}

.header h1 {
  margin: 0;
  font-size: 1.7rem;
}

.header p {
  margin-top: 8px;
  color: #9ca3af;
}

.toolbar {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  border: 1px solid #334155;
  background: #1f2937;
  color: #e5e7eb;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

button:hover {
  border-color: #38bdf8;
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.panel {
  border: 1px solid #334155;
  border-radius: 10px;
  background: #111827;
  padding: 12px;
}

label {
  display: block;
  color: #9ca3af;
  margin-bottom: 8px;
}

textarea {
  width: 100%;
  min-height: 360px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #e5e7eb;
  padding: 10px;
  resize: vertical;
  font-size: 0.94rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

textarea:focus {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
}

.status-wrap {
  margin-top: 12px;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 10px 12px;
  background: #0b1220;
}

.status {
  margin: 0;
  font-weight: 600;
}

.status.ok {
  color: #34d399;
}

.status.error {
  color: #f87171;
}

.back-link {
  margin-top: 12px;
}

.back-link a {
  color: #93c5fd;
  text-decoration: none;
}

.back-link a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 240px;
  }
}

.seo-content{margin-top:14px;padding:12px;border:1px solid #334155;border-radius:10px;background:#0b1220}
.seo-content h2{margin:0 0 8px;font-size:1rem;color:#cbd5e1}
.seo-content p{margin:6px 0;color:#9ca3af;line-height:1.5}