:root {
  --zgate-line: color-mix(in srgb, var(--ink, #17212b) 14%, transparent);
  --zgate-muted: color-mix(in srgb, var(--ink, #17212b) 62%, transparent);
  --zgate-panel: color-mix(in srgb, var(--surface, #ffffff) 92%, transparent);
  --zgate-wash: color-mix(in srgb, var(--accent, #1967d2) 8%, var(--surface, #ffffff));
}

[hidden] {
  display: none !important;
}

body.app {
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 2%, color-mix(in srgb, var(--accent, #1967d2) 16%, transparent), transparent 31rem),
    var(--page, #f4f6f9));
}

.gate-card {
  width: min(31rem, calc(100vw - 2rem));
}

.appbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--zgate-line);
  background: color-mix(in srgb, var(--surface, #fff) 86%, transparent);
  backdrop-filter: blur(18px);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: inherit;
  text-decoration: none;
}

.app-brand img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.app-brand > span {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.app-brand-mark {
  font-weight: 850;
  letter-spacing: 0.06em;
}

.app-brand-product {
  color: var(--zgate-muted);
  font-size: 0.95rem;
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 0.58rem;
  color: var(--zgate-muted);
  font-size: 0.88rem;
}

.presence-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: #1f9d62;
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, #1f9d62 18%, transparent);
}

.quiet-btn {
  margin-left: 0.4rem;
  border: 1px solid var(--zgate-line);
  border-radius: 999px;
  padding: 0.55rem 0.82rem;
  background: var(--surface, #fff);
  color: inherit;
  cursor: pointer;
}

.quiet-btn:hover,
.back-link:hover {
  border-color: color-mix(in srgb, var(--accent, #1967d2) 55%, transparent);
}

.app-shell {
  width: min(76rem, calc(100vw - 2rem));
  margin: clamp(1.4rem, 4vw, 3rem) auto;
  display: grid;
  gap: 1.25rem;
}

.hero-panel,
.portal-panel,
.analytics-panel {
  border: 1px solid var(--zgate-line);
  border-radius: 1.4rem;
  background: var(--zgate-panel);
  box-shadow: 0 1rem 3.5rem color-mix(in srgb, #111827 9%, transparent);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.4rem, 4vw, 3rem);
  background:
    linear-gradient(125deg, var(--zgate-wash), transparent 62%),
    var(--zgate-panel);
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -9rem;
  bottom: -11rem;
  width: 23rem;
  height: 23rem;
  border: 1px solid color-mix(in srgb, var(--accent, #1967d2) 15%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 3.5rem color-mix(in srgb, var(--accent, #1967d2) 3%, transparent),
    0 0 0 7rem color-mix(in srgb, var(--accent, #1967d2) 2%, transparent);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--zgate-muted);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-panel h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.hero-copy {
  max-width: 41rem;
  margin: 1.1rem 0 0;
  color: var(--zgate-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.6;
}

.cta-list {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 0.8rem;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--zgate-line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface, #fff) 88%, transparent);
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.cta:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent, #1967d2) 50%, transparent);
}

.cta-primary {
  border-color: transparent;
  background: var(--accent, #1967d2);
  color: #fff;
}

.cta > span:first-child {
  display: grid;
  gap: 0.2rem;
}

.cta-title {
  font-weight: 760;
}

.cta-copy {
  color: currentColor;
  font-size: 0.84rem;
  opacity: 0.72;
}

.cta-arrow {
  font-size: 1.15rem;
}

.session-note {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--zgate-line);
  color: var(--zgate-muted);
  font-size: 0.82rem;
}

.session-note strong {
  color: inherit;
}

.portal-panel,
.analytics-panel {
  padding: clamp(1.15rem, 3vw, 2rem);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-heading h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.035em;
}

.count-pill {
  min-width: 2rem;
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--zgate-line);
  border-radius: 999px;
  color: var(--zgate-muted);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.portal-table-wrap {
  overflow-x: auto;
}

.portal-table {
  width: 100%;
  border-collapse: collapse;
}

.portal-table th {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--zgate-line);
  color: var(--zgate-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}

.portal-table td {
  padding: 1rem 0.8rem;
  border-bottom: 1px solid var(--zgate-line);
  vertical-align: middle;
}

.portal-table tr:last-child td {
  border-bottom: 0;
}

.portal-name {
  display: grid;
  gap: 0.22rem;
}

.portal-name strong {
  font-size: 1rem;
}

.portal-name code {
  width: max-content;
  color: var(--zgate-muted);
  font-size: 0.75rem;
}

.portal-name p {
  max-width: 33rem;
  margin: 0.25rem 0 0;
  color: var(--zgate-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.external-link {
  color: var(--accent, #1967d2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  overflow-wrap: anywhere;
}

.analytics-icon {
  display: inline-grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border: 1px solid var(--zgate-line);
  border-radius: 0.7rem;
  color: var(--accent, #1967d2);
}

.analytics-icon:hover {
  background: var(--zgate-wash);
}

.analytics-icon svg {
  width: 1.15rem;
  fill: currentColor;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--zgate-muted);
  text-decoration: none;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.metric {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border: 1px solid var(--zgate-line);
  border-radius: 0.9rem;
  background: var(--zgate-wash);
}

.metric span {
  color: var(--zgate-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric strong {
  font-size: 1.25rem;
}

.empty-state,
.noscript {
  margin: 1rem 0 0;
  color: var(--zgate-muted);
}

.noscript {
  max-width: 42rem;
  margin: 1rem auto;
  padding: 1rem;
  text-align: center;
}

.app-footer {
  display: flex;
  width: min(76rem, calc(100vw - 2rem));
  margin: 0 auto 2rem;
  justify-content: space-between;
  gap: 1rem;
  color: var(--zgate-muted);
  font-size: 0.75rem;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  max-width: min(25rem, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border: 1px solid #b42318;
  border-radius: 0.8rem;
  background: #fff4f2;
  color: #8a1c13;
  box-shadow: 0 0.75rem 2rem rgb(0 0 0 / 14%);
}

@media (max-width: 760px) {
  .appbar {
    align-items: flex-start;
  }

  .session-bar {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

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

  .hero-panel h1 {
    font-size: clamp(2.7rem, 14vw, 4.5rem);
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .portal-table,
  .portal-table tbody,
  .portal-table tr,
  .portal-table td {
    display: block;
    width: 100%;
  }

  .portal-table tr {
    margin-bottom: 0.8rem;
    padding: 0.85rem;
    border: 1px solid var(--zgate-line);
    border-radius: 0.9rem;
  }

  .portal-table td {
    display: grid;
    grid-template-columns: 6.2rem minmax(0, 1fr);
    gap: 0.65rem;
    padding: 0.48rem 0;
    border-bottom: 0;
  }

  .portal-table td::before {
    content: attr(data-label);
    color: var(--zgate-muted);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .app-footer {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .session-bar > #who,
  .presence-dot {
    display: none;
  }

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

@media (prefers-reduced-motion: reduce) {
  .cta {
    transition: none;
  }
}