:root {
  --bg: #0b1220;
  --panel: #0f1626;
  --muted: #9fb0c8;
  --accent: #7ae7c7;
  --accent-strong: #4bd3a8;
  --text: #eaf3ff;
  --border: #1f2a3c;
  --warning: #f7cf5c;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(circle at 10% 20%, rgba(74, 139, 255, 0.08), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(122, 231, 199, 0.1), transparent 30%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.6;
}

h1, h2, h3 {
  margin: 0;
}

p {
  margin: 0;
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  padding: 48px 56px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.hero__content h1 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero__content .lede {
  max-width: 640px;
}

.badge {
  display: inline-block;
  background: rgba(122, 231, 199, 0.12);
  color: var(--accent);
  padding: 8px 12px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.2px;
  margin-bottom: 12px;
}

.cta-group {
  margin-top: 16px;
  display: flex;
  gap: 12px;
}

.hero__panel {
  align-self: center;
}

.card {
  background: linear-gradient(145deg, rgba(15, 22, 38, 0.9), rgba(21, 31, 52, 0.9));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}

.value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.label {
  font-size: 13px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.hint {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

main {
  padding: 0 56px 48px;
  max-width: 1180px;
  margin: 0 auto;
}

.workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(6px);
}

.panel__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

select, textarea, input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c1321;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

select:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: none;
  border-color: rgba(122, 231, 199, 0.7);
  box-shadow: 0 0 0 3px rgba(122, 231, 199, 0.12);
}

textarea {
  resize: vertical;
  min-height: 140px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  border: 1px solid var(--border);
  background: #111a2c;
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #0a111c;
  border: none;
}

.btn-secondary {
  border-color: rgba(122, 231, 199, 0.4);
  color: var(--accent);
}

.output {
  background: #0c1321;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 20px 16px 16px;
  min-height: 220px;
  white-space: pre-wrap;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  color: #d6e4ff;
  line-height: 1.55;
  position: relative;
}

.output::before {
  content: 'Prompt listo';
  position: absolute;
  top: 10px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(122, 231, 199, 0.12);
  color: var(--accent);
}

.subpanel {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  background: #10192b;
  border: 1px solid var(--border);
}

.guidelines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.guidelines li {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c1321;
  color: var(--muted);
  line-height: 1.4;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.template-card {
  padding: 12px;
  border-radius: 10px;
  background: #0c1321;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 100ms ease, transform 120ms ease;
}

.template-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.template-card h4 {
  margin: 0 0 6px;
  color: var(--text);
}

.template-card p {
  font-size: 13px;
  color: var(--muted);
}

.pill {
  padding: 6px 10px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(122, 231, 199, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
}

.footer {
  margin: 24px 56px 40px;
  color: var(--muted);
  line-height: 1.5;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .hero, .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  main, .hero {
    padding: 24px;
    max-width: none;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
  }
}