/* =============================================
   umbilical: cyan accent on shared terminal shell
   ============================================= */

/* Resolve aliases on the themed body. Defining them on :root locked
   --umb-accent to peapod green because :root --accent is #05d758. */
[data-theme="umbilical"] {
  --umb-bg:           var(--bg);
  --umb-surface:      var(--surface);
  --umb-surface-2:    var(--surface-2);
  --umb-border:       var(--border);
  --umb-border-hover: var(--border-strong);
  --umb-text:         var(--text);
  --umb-text-muted:   var(--text-muted);
  --umb-accent:       var(--accent);
  --umb-accent-hover: var(--accent-hover);
  --umb-accent-dim:   var(--accent-dim);
  --umb-shadow:       var(--shadow);
  --umb-shadow-lg:    var(--shadow-hover);
  --umb-radius:       var(--radius);
  --umb-radius-lg:    var(--radius-lg);
  --umb-transition:   background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  --umb-font:         var(--font-sans);
  --umb-mono:         var(--font-mono);
}

[data-theme="umbilical"] .page-title {
  background: linear-gradient(135deg, var(--umb-accent) 0%, var(--umb-accent-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.os-label {
  font-size: 0.78rem;
  color: var(--umb-text-muted);
  margin-bottom: 0.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.umb-prose {
  font-size: 0.92rem;
  color: var(--umb-text-muted);
  margin-bottom: 1rem;
  max-width: 46rem;
}

[data-theme="umbilical"] .umb-prose a,
[data-theme="umbilical"] a.umb-inline-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

[data-theme="umbilical"] .umb-prose a:hover,
[data-theme="umbilical"] a.umb-inline-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.umb-hero-tagline {
  font-size: 1.05rem;
  color: var(--umb-text-muted);
  margin-bottom: 1.25rem;
  max-width: 640px;
  line-height: 1.6;
}

.cmd-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.install-cmd {
  font-family: var(--umb-mono);
  font-size: 0.88rem;
  word-break: break-all;
}

.umb-install-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--umb-border);
  border-radius: var(--umb-radius);
  padding: 0.85rem 1.5rem;
  font-family: var(--umb-mono);
  font-size: 0.95rem;
  color: var(--umb-text);
  letter-spacing: 0.01em;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.umb-install-block.wide {
  align-items: flex-start;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--umb-border);
  border-radius: 0.375rem;
  color: var(--umb-text-muted);
  cursor: pointer;
  transition: var(--umb-transition);
}

.copy-btn:hover {
  background: var(--umb-accent-dim);
  border-color: var(--umb-accent);
  color: var(--umb-accent);
}

.copy-btn.copied {
  border-color: var(--umb-accent);
  color: var(--umb-accent);
}

.copy-btn svg {
  width: 0.875rem;
  height: 0.875rem;
  pointer-events: none;
}

.umb-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn-primary.is-disabled,
.btn-primary[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
  background: var(--surface-2);
  color: var(--text-muted);
  border-color: var(--border);
}

.umb-features-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.umb-feature-card {
  background: var(--umb-surface-2);
  border: 1px solid var(--umb-border);
  border-radius: var(--umb-radius-lg);
  box-shadow: var(--umb-shadow);
  padding: 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--umb-transition);
}

.umb-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--umb-shadow-lg);
  border-color: var(--umb-border-hover);
}

.umb-feature-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.umb-feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--umb-text);
}

.umb-feature-desc {
  font-size: 0.88rem;
  color: var(--umb-text-muted);
  line-height: 1.6;
}

.umb-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--umb-surface-2);
  border: 1px solid var(--umb-border);
  border-radius: var(--umb-radius-lg);
  overflow: hidden;
  box-shadow: var(--umb-shadow);
  margin-bottom: 1.25rem;
}

.umb-table th {
  padding: 0.85rem 1.25rem;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--umb-accent);
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--umb-border);
}

.umb-table td {
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--umb-text);
  border-bottom: 1px solid var(--umb-border);
}

.umb-table tr:last-child td {
  border-bottom: none;
}

.umb-code-tag {
  display: inline-block;
  font-family: var(--umb-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.15em 0.5em;
  background: var(--umb-accent-dim);
  border: 1px solid var(--umb-border);
  border-radius: 0.3rem;
  color: var(--umb-accent);
  margin: 0.1em 0.2em;
}

.umb-cta {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--umb-border);
  border-radius: var(--umb-radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--umb-shadow);
}

.umb-cta-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--umb-text);
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.umb-cta-desc {
  font-size: 0.95rem;
  color: var(--umb-text-muted);
  max-width: 540px;
  margin: 0 auto 0.5rem;
  line-height: 1.6;
}

.umb-price {
  font-family: var(--umb-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--umb-accent);
  margin: 0.35rem 0 1rem;
}

.umb-shot {
  margin: 0 0 1.25rem;
  background: var(--umb-surface-2);
  border: 1px solid var(--umb-border);
  border-radius: var(--umb-radius-lg);
  overflow: hidden;
  box-shadow: var(--umb-shadow);
}

.umb-shot img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .umb-features-grid {
    grid-template-columns: 1fr;
  }

  .umb-cta {
    padding: 2rem 1.25rem;
  }

  .umb-install-block {
    font-size: 0.82rem;
    padding: 0.75rem 1.1rem;
  }

  .umb-table {
    display: block;
    overflow-x: auto;
  }
}