.service-page {
  min-height: 100vh;
  overflow: auto;
  background: var(--bg-app);
}

.service-auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6);
}

.service-auth__panel,
.admin-shell {
  width: min(100%, 1120px);
  display: grid;
  gap: var(--space-4);
}

.service-auth__panel {
  max-width: 520px;
  padding: var(--space-5);
  border: 1px solid var(--line-quiet);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  box-shadow: var(--shadow-soft);
}

.service-form {
  display: grid;
  gap: var(--space-3);
}

.service-message {
  min-height: 24px;
  color: var(--accent-strong);
}

.service-message--danger {
  color: var(--text-danger-contrast);
}

.admin-shell {
  margin: 0 auto;
  padding: var(--space-5);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.guest-ad {
  display: none;
  place-items: center;
  min-height: 34px;
  border: 1px dashed rgba(243, 189, 99, 0.65);
  background: var(--bg-guest-ad);
  color: var(--text-warning-contrast);
  font-size: 12px;
}

.guest-watermark {
  display: none;
  position: fixed;
  inset: 44% auto auto 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  z-index: 1;
  pointer-events: none;
  color: color-mix(in srgb, var(--text-main) 13%, transparent);
  font-size: clamp(40px, 9vw, 120px);
  font-weight: 900;
  white-space: nowrap;
}

.is-guest-mode .guest-ad {
  display: grid;
}

.is-guest-mode .guest-watermark {
  display: block;
}

.is-guest-mode .app-shell {
  grid-template-rows: 34px var(--appbar-h) var(--toolbar-h) minmax(0, 1fr) auto var(--statusbar-h) 34px;
  grid-template-areas:
    "guesttop guesttop"
    "appbar appbar"
    "toolbar toolbar"
    "nav workspace"
    "nav advice"
    "status status"
    "guestbottom guestbottom";
}

.guest-ad-top {
  grid-area: guesttop;
}

.guest-ad-bottom {
  grid-area: guestbottom;
}

@media (max-width: 860px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .is-guest-mode .app-shell {
    grid-template-rows: 34px var(--appbar-h) var(--toolbar-h) minmax(0, 1fr) auto 40px 34px var(--mobile-tabs-h);
    grid-template-areas:
      "guesttop"
      "appbar"
      "toolbar"
      "workspace"
      "advice"
      "status"
      "guestbottom"
      "tabs";
  }

  .is-guest-mode .mobile-tabs {
    bottom: 34px;
  }

  .is-guest-mode .guest-ad-bottom {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 21;
  }
}