/* Astro Precise S8 slice — shared Jet / Silver / Aurora language.
   Loaded last on Observatory + Chart so the two entry points share the same
   geometry, focus treatment, and honest precision labels. */
:root {
  --ap-jet: #07070a;
  --ap-jet-raised: #111117;
  --ap-silver: #e8ebf0;
  --ap-silver-soft: #c8cdd6;
  --ap-silver-dim: #929aa8;
  --ap-aurora: #7ec8e8;
  --ap-aurora-violet: #8a78ff;
  --ap-focus-ring: #9fe3ff;
  --ap-nav-height: 56px;
}

html,
body {
  overflow-x: hidden;
  background: var(--ap-jet);
}

/* One primary vocabulary on both the custom Observatory masthead and the
   standard internal-page navbar. */
.masthead .contents-nav,
.navbar__nav {
  min-width: 0;
}

.masthead .contents-nav a,
.navbar__nav .navbar__link,
.navbar__more-btn {
  color: var(--ap-silver-soft);
  border-radius: 999px;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.masthead .contents-nav a:hover,
.masthead .contents-nav a:focus-visible,
.masthead .contents-nav a[aria-current="page"],
.navbar__nav .navbar__link:hover,
.navbar__nav .navbar__link:focus-visible,
.navbar__nav .navbar__link[aria-current="page"],
.navbar__more-btn:focus-visible {
  color: var(--ap-silver);
  background: rgba(126, 200, 232, 0.1);
}

.masthead a:focus-visible,
.navbar a:focus-visible,
.navbar button:focus-visible,
.bottom-nav a:focus-visible,
.bottom-nav button:focus-visible {
  outline: 2px solid var(--ap-focus-ring);
  outline-offset: 2px;
}

/* Fixed mobile tabs are four equal, non-scrolling targets. The desktop More
   and email affordances remain available in the drawer, so no fifth item can
   force a horizontal overflow on 320–390px devices. */
.bottom-nav__shell {
  width: 100%;
  min-width: 0;
}
.bottom-nav__tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  width: 100%;
  min-width: 0;
  padding-inline: 4px;
}
.bottom-nav__pinned {
  display: none;
}
.bottom-nav__item {
  width: 100%;
  min-width: 0;
  padding-inline: 2px;
  overflow: hidden;
}
.bottom-nav__label {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hero promise → action: the date is the only first-viewport form control. */
.hero-form-progress,
.chart-form__progress {
  margin: 0.7rem 0 0.4rem;
  color: var(--ap-aurora);
  font: 600 0.66rem/1.4 var(--font-mono, ui-monospace, monospace);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-form-note,
.form-hint,
.ap-time-status {
  color: var(--ap-silver-dim);
}
.hero-form-note {
  max-width: 46ch;
}

/* The five-step spine replaces the old six-choice launcher list. */
.ap-spine-list {
  counter-reset: ap-spine;
  display: grid;
  gap: 0.7rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}
.ap-spine-list .dept-list-item {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
}
.ap-spine-list .dept-number {
  color: var(--ap-aurora);
}
.ap-spine-list .dept-list-item:focus-visible {
  outline: 2px solid var(--ap-focus-ring);
  outline-offset: 4px;
}

/* Results: put the method/time truth directly beside the name. */
.result-badge,
.ap-result-precision {
  border-color: rgba(126, 200, 232, 0.28);
  color: var(--ap-silver-soft);
}
.ap-result-precision {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
  font: 600 0.65rem/1.4 var(--font-mono, ui-monospace, monospace);
  letter-spacing: 0.04em;
}
.ap-result-precision[data-level="unknown"] {
  color: #f0c58a;
}
.ap-result-precision[data-level="approximate"] {
  color: #e5d698;
}
.ap-time-status {
  margin-top: 0.45rem;
  font-size: 0.76rem;
}
.ap-time-status[data-level="exact"] { color: var(--ap-aurora); }
.ap-time-status[data-level="approximate"] { color: #e5d698; }
.ap-time-status[data-level="unknown"] { color: #f0c58a; }

.ap-withheld-card {
  display: grid;
  place-items: center;
  min-height: 9rem;
  padding: 1.2rem;
  border: 1px dashed rgba(240, 197, 138, 0.35);
  border-radius: 1rem;
  color: var(--ap-silver-soft);
  text-align: center;
  background: rgba(240, 197, 138, 0.04);
}
.ap-withheld-card strong {
  display: block;
  margin-bottom: 0.3rem;
  color: #f0c58a;
}

@media (max-width: 640px) {
  .masthead .contents-nav { display: none; }
  .masthead { min-height: 48px; }
  .ap-spine-list .dept-list-item {
    grid-template-columns: 2rem minmax(0, 1fr);
  }
  .ap-spine-list .dept-badge { grid-column: 2; justify-self: start; }
  .hero-form-row { grid-template-columns: 1fr; }
  .hero-form-row .btn-press { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Corrective wave: this file is intentionally last on chart/home. Keep the
   phone chrome fixed and mathematically bounded even when legacy main.css or
   structure-clean rules have already declared a flex/scroller shell. */
@media (max-width: 900px) {
  .bottom-nav {
    display: block !important;
    position: fixed !important;
    inset-inline: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow: hidden !important;
  }
  .bottom-nav__shell {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }
  .bottom-nav__tabs {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 2px !important;
    width: 100% !important;
    min-width: 0 !important;
    padding-inline: 4px !important;
    overflow: hidden !important;
  }
  .bottom-nav__pinned { display: none !important; }
  .bottom-nav__item {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    padding-inline: 2px !important;
    overflow: hidden !important;
  }
  .masthead,
  .masthead .page-wrap,
  .masthead .contents-nav { min-width: 0 !important; max-width: 100vw !important; overflow-x: clip; }
}