.zk-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1rem 0 2rem;
}


.zk-hero {
  background: radial-gradient(circle at 18% 20%, rgba(37, 99, 235, 0.08), transparent 38%),
    radial-gradient(circle at 80% 0%, rgba(15, 23, 42, 0.15), transparent 38%),
    #0f172a;
  color: #f8fafc;
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.28);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  align-items: center;
}

.zk-hero__text h1 {
  margin: 0 0 0.35rem 0;
}

.zk-hero__text p {
  margin: 0.25rem 0;
  color: #e2e8f0;
}

.zk-kicker {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin: 0 0 0.25rem 0;
  color: #bfdbfe;
}

.zk-hero__cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.zk-hero__hint {
  font-size: 0.9rem;
  color: #cbd5e1;
}

.zk-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}

.zk-chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #e2e8f0;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
}

.zk-help {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  background: #fff;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

.zk-help > summary {
  cursor: pointer;
  font-weight: 700;
  color: #0f172a;
}

.zk-help[open] > summary {
  margin-bottom: 0.75rem;
}

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

.zk-help__grid h3 {
  margin: 0 0 0.35rem 0;
}

.zk-help__grid p {
  margin: 0.25rem 0;
  color: #475569;
}

.zk-help__note {
  font-size: 0.95rem;
  color: #0f172a;
}

.zk-app {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.zk-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #e2e8f0;
}

.zk-status {
  font-size: 0.95rem;
  color: #0f172a;
  font-weight: 700;
}

.zk-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.zk-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #1d4ed8;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.zk-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.zk-button.is-link {
  border-color: #0f172a;
  background: #0f172a;
}

.zk-button.is-ghost {
  border-color: #cbd5e1;
  background: #fff;
  color: #0f172a;
}

.zk-button.is-ghost:hover {
  border-color: #94a3b8;
  background: #f8fafc;
  box-shadow: none;
}

.zk-button.is-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.zk-stage {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.zk-viewer {
  padding: 1.25rem 1.5rem 0.5rem;
  min-height: 55vh;
  overflow-y: auto;
}

.zk-viewer h1,
.zk-viewer h2,
.zk-viewer h3,
.zk-viewer h4,
.zk-viewer h5,
.zk-viewer h6 {
  margin: 0.5rem 0 0.35rem;
  color: #0f172a;
}

.zk-viewer p {
  margin: 0 0 0.7rem 0;
  color: #0f172a;
  line-height: 1.6;
}

.zk-viewer ul {
  padding-left: 1.25rem;
  margin: 0 0 0.8rem 0;
}

.zk-viewer li {
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.zk-viewer blockquote {
  border-left: 3px solid #2563eb;
  padding-left: 0.75rem;
  color: #1e293b;
  margin: 0 0 0.85rem 0;
}

.zk-viewer code {
  background: #f1f5f9;
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.zk-deck {
  margin-top: 0.75rem;
  border-top: 1px solid #e2e8f0;
  padding: 0.9rem 0.75rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.zk-deck__meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 220px;
}

.zk-count {
  font-weight: 700;
  color: #0f172a;
}

.zk-active {
  color: #475569;
}

.zk-deck__controls {
  display: flex;
  gap: 0.5rem;
}

.zk-empty,
.zk-error {
  color: #475569;
  margin: 0;
}

.zk-error {
  color: #b91c1c;
}

.zk-catalog {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

.zk-catalog.is-open {
  display: flex;
}

.zk-catalog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
}

.zk-catalog__panel {
  position: relative;
  background: #fff;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25);
  width: min(980px, 95vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1;
}

.zk-catalog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #e2e8f0;
  gap: 1rem;
}

.zk-catalog__eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  margin-bottom: 0.1rem;
}

.zk-catalog__header h2 {
  margin: 0;
  color: #0f172a;
}

.zk-catalog__close {
  border: none;
  background: #e2e8f0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  color: #0f172a;
}

.zk-catalog__close:hover {
  background: #cbd5e1;
}

.zk-catalog__body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.25rem 1.25rem;
  overflow: hidden;
}

.zk-catalog__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.zk-catalog__label {
  font-weight: 600;
  color: #475569;
}

.zk-catalog__input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  font-size: 1rem;
}

.zk-catalog__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  min-height: 320px;
}

.zk-catalog__tags {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.75rem;
  overflow: auto;
  max-height: 440px;
  background: #f8fafc;
}

.zk-catalog__tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
}

.zk-catalog__results {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.25rem;
  overflow: auto;
  background: #fff;
  max-height: 440px;
}

.zk-catalog__result {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
}

.zk-catalog__result:hover,
.zk-catalog__result.is-focused {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.zk-catalog__result-id {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.85rem;
  color: #475569;
}

.zk-catalog__result-title {
  font-weight: 700;
  color: #0f172a;
}

.zk-catalog__result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.zk-catalog__tag-pill {
  background: #e2e8f0;
  color: #0f172a;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.8rem;
}

.zk-catalog__result-snippet {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.45;
}

.zk-viewer table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.zk-viewer th,
.zk-viewer td {
  border: 1px solid #e2e8f0;
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.zk-viewer thead {
  background: #f8fafc;
  font-weight: 600;
}

.zk-viewer pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 0.9rem;
  border-radius: 10px;
  overflow-x: auto;
  line-height: 1.5;
}

@media (max-width: 960px) {
  .zk-hero {
    grid-template-columns: 1fr;
  }

  .zk-controls {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .zk-catalog__tags {
    max-height: 200px;
  }
}