:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #f5f8ff;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #07111f, #16233d);
  min-height: 100vh;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.78rem;
  color: #73b7ff;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin: 8px 0 12px;
}

.subtitle {
  color: #9db0cc;
  max-width: 680px;
  line-height: 1.6;
}

.config-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 8px;
}

input {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 10px 14px;
  min-width: 260px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

button {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 1rem;
  background: #2f84ff;
  color: white;
  cursor: pointer;
}

button.secondary {
  background: #1f365f;
}

.hint {
  color: #9db0cc;
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(14px);
}

.status-box {
  background: rgba(0, 0, 0, 0.25);
  padding: 14px 16px;
  border-radius: 16px;
  margin-bottom: 20px;
}

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

.lead-panel {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 18px;
  padding: 18px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 14px;
}

.card h3 { margin: 0 0 8px; }

.card p { margin: 4px 0; color: #cfd8e8; }

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}