:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --background: #f4f5f7;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-muted: rgba(250, 250, 251, 0.88);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.16);
  --foreground: #0f172a;
  --muted: #475569;
  --muted-soft: #64748b;
  --accent: #111827;
  --accent-soft: #e2e8f0;
  --success: #166534;
  --shadow: 0 24px 48px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.9), rgba(244, 245, 247, 0.75) 36%, rgba(235, 238, 241, 0.98) 100%),
    linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  color: var(--foreground);
}

body {
  padding: 32px;
}

.page-shell {
  width: min(1400px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.topbar,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 28px;
  align-items: flex-start;
}

.brand-lockup {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.brand-mark {
  min-width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #111827, #1e293b);
  color: #f8fafc;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.brand-copy h1,
.brand-copy p,
.section-heading h2,
.section-heading p,
.hero-card h2,
.hero-card p,
.card h3,
.card h2,
.card p,
.detail-list {
  margin: 0;
}

.eyebrow {
  margin-bottom: 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.brand-copy h1 {
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.lede {
  max-width: 62ch;
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.badge,
.count-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.badge-strong {
  color: #eff6ff;
  background: linear-gradient(135deg, #111827, #334155);
  border-color: transparent;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  gap: 24px;
}

.column {
  display: grid;
  gap: 24px;
  align-content: start;
}

.card {
  border-radius: 28px;
  padding: 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 24px;
}

.hero-card h2,
.card h2 {
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.hero-text,
.card p,
.detail-list {
  color: var(--muted);
  line-height: 1.6;
}

.hero-text {
  margin-top: 14px;
}

.preview-card {
  overflow: hidden;
}

.hero-panels {
  display: grid;
  gap: 12px;
}

.mini-panel {
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.command-inline {
  display: block;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #0f172a;
  color: #f8fafc;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.5;
  overflow-x: auto;
}

.inline-action {
  display: inline-flex;
  margin-top: 10px;
  color: var(--foreground);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.inline-action:hover {
  text-decoration: underline;
}

.mini-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.transport-switch {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.transport-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  min-width: 72px;
  padding: 10px 14px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
}

.transport-button.active {
  background: #ffffff;
  color: var(--accent);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.1);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.full-width {
  grid-column: 1 / -1;
}

.form-grid input {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--foreground);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
}

.inline-note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid var(--border);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #22c55e;
  flex: none;
}

.install-note code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.preview-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96)),
    radial-gradient(circle at top left, rgba(148, 163, 184, 0.08), transparent 55%);
}

.preview-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.preview-panel h3 {
  margin-top: 6px;
  font-size: 1.05rem;
}

.preview-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
}

.preview-status[data-state="ready"] {
  color: var(--success);
  border-color: rgba(22, 101, 52, 0.18);
  background: rgba(240, 253, 244, 0.95);
}

.preview-status[data-state="error"] {
  color: #991b1b;
  border-color: rgba(153, 27, 27, 0.18);
  background: rgba(254, 242, 242, 0.95);
}

.preview-canvas {
  width: 100%;
  aspect-ratio: 20 / 13;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.08)),
    repeating-linear-gradient(
      90deg,
      rgba(148, 163, 184, 0.05) 0,
      rgba(148, 163, 184, 0.05) 1px,
      transparent 1px,
      transparent 16px
    );
  image-rendering: auto;
  display: block;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.detail-chip {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.stat-card h3 {
  margin: 6px 0 10px;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}

.connection-list {
  display: grid;
  gap: 14px;
}

.connection-row {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.connection-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.connection-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
}

@media (max-width: 1080px) {
  .hero-grid,
  .preview-grid,
  .detail-grid,
  .stats-grid,
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    padding: 18px;
  }

  .topbar,
  .card {
    border-radius: 24px;
    padding: 20px;
  }

  .brand-lockup,
  .topbar,
  .section-heading,
  .preview-panel-head {
    flex-direction: column;
  }

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

.connection-transport {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.connection-row p {
  font-size: 0.95rem;
}

.detail-list {
  padding-left: 18px;
}

.detail-list li + li {
  margin-top: 10px;
}

@media (max-width: 1080px) {
  body {
    padding: 20px;
  }

  .topbar,
  .hero-grid,
  .layout,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
  }

  .topbar-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .brand-lockup,
  .section-heading,
  .form-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .brand-lockup {
    gap: 16px;
  }

  .transport-switch {
    width: 100%;
    justify-content: stretch;
  }

  .transport-button {
    flex: 1;
  }
}