/* ═══════════════════════════════════════════════════════════════════════════
   Artemis II Mission Tracker — Stylesheet
   Dark theme · Space control room aesthetic · Accessible · Mobile-first
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & base ──────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Palette — WCAG AA verified (all combinations ≥ 4.5:1) */
  --bg:           #0a0e17;
  --bg-surface:   #0f1420;
  --bg-card:      #131a2b;
  --bg-card-glass: rgba(19, 26, 43, 0.8);
  --bg-highlight: #1a2d4d;

  --text:         #e2e8f0;
  --text-muted:   #b8c5d4;
  --text-bright:  #ffffff;

  --accent:       #3b82f6;
  --accent-light: #7db8ff;
  --accent-glow:  rgba(59, 130, 246, 0.4);
  --success:      #22c55e;
  --success-glow: rgba(34, 197, 94, 0.3);
  --warning:      #f59e0b;
  --danger:       #f87171;

  --border:       #1e293b;
  --border-light: #2d3a4f;
  --focus-ring:   #7db8ff;

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

  --max-width:    1200px;
  --gap:          1.5rem;
  --card-radius:  12px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

[id] {
  scroll-margin-top: 4rem;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Focus ─────────────────────────────────────────────────────────────── */

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Skip nav ──────────────────────────────────────────────────────────── */

.skip-nav {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 6px 0;
}

.skip-nav:focus {
  left: 0;
}

/* ── Layout ────────────────────────────────────────────────────────────── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-intro {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 50rem;
  margin-bottom: 1.5rem;
}

/* ── Typography ────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
  color: var(--text-bright);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2rem;
  font-weight: 800;
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

h3 { font-size: 1.15rem; }

a {
  color: var(--accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--text-bright);
}

/* ── Header ────────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 32, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-bright);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-title:hover,
.site-title:focus-visible {
  color: var(--text-bright);
}

.site-title span {
  color: var(--accent);
}

/* ── Data status indicator ─────────────────────────────────────────────── */

.data-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  letter-spacing: 0.02em;
}

.data-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.data-status--live {
  color: var(--success);
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.08);
}

.data-status--live::before {
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
  animation: pulse-dot 2s infinite;
}

.data-status--mock {
  color: var(--warning);
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.08);
}

.data-status--mock::before {
  background: var(--warning);
}

.data-status--prelaunch {
  color: var(--text-muted);
  border-color: var(--border);
}

.data-status--prelaunch::before {
  background: var(--text-muted);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Navigation ────────────────────────────────────────────────────────── */

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.site-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--bg-card);
  color: var(--text-bright);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-light);
  background: rgba(59, 130, 246, 0.1);
  font-weight: 700;
}

/* ── Hamburger toggle ─────────────────────────────────────────────────── */

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.nav-toggle:hover {
  background: var(--bg-card);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero__bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10, 14, 23, 0.60) 0%, rgba(10, 14, 23, 0.78) 60%, var(--bg) 100%);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
}

.hero__phase {
  display: inline-block;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-light); /* #60a5fa on rgba ≈ #131a2b bg → 4.7:1 ✓ */
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  margin-bottom: 1rem;
}

.hero__status {
  font-size: 1.35rem;
  color: var(--text-bright);
  max-width: 48rem;
  margin: 0 auto;
  line-height: 1.5;
  font-weight: 400;
}

.hero__met {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-light);
  text-shadow: 0 0 30px var(--accent-glow);
  animation: countdown-glow 3s ease-in-out infinite;
}

.hero__met-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@keyframes countdown-glow {
  0%, 100% { text-shadow: 0 0 30px var(--accent-glow); }
  50% { text-shadow: 0 0 50px var(--accent-glow), 0 0 80px rgba(59, 130, 246, 0.15); }
}

.hero__crew-activity {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.hero__crew-now {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
}

.hero__crew-next {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.hero__crew-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
}

.hero__crew-link:hover,
.hero__crew-link:focus-visible {
  color: var(--text-bright);
  text-decoration: underline;
}

/* ── Dashboard ─────────────────────────────────────────────────────────── */

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--gap);
}

.dash-card {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--card-radius);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dash-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-light);
}

/* ── Primary metrics grid (Speed, Distance, Altitude) ─────────────── */

.dashboard-grid--primary {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  margin-bottom: var(--gap);
}

.dash-card--primary {
  border-top-width: 3px;
  padding: 1.5rem 1.25rem;
}

.dash-card--primary .dash-primary {
  font-size: 2rem;
}

.dash-card--primary .dash-card__label {
  font-size: 0.75rem;
}

.dash-card__label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* ── Collapsible metric explanations ─────────────────────────────────── */

.dash-explain {
  display: inline;
}

.dash-explain__toggle {
  cursor: pointer;
  list-style: none;            /* hide default marker */
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.25rem;
}

/* Remove default marker in WebKit/Blink */
.dash-explain__toggle::-webkit-details-marker {
  display: none;
}

/* Custom disclosure triangle */
.dash-explain__toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4.5px solid var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.dash-explain[open] > .dash-explain__toggle::after {
  transform: rotate(180deg);
}

/* Focus ring for keyboard navigation */
.dash-explain__toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Explanation text */
.dash-explain__text {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  line-height: 1.55;
  color: var(--text);
  margin-top: 0.5rem;
  padding: 0.6rem 0.7rem;
  background: var(--bg-surface);
  border-left: 2px solid var(--accent);
  border-radius: 0 6px 6px 0;
  text-align: left;
}

/* Visible extent inside Earth View collapsible */
.dash-extent {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--bg-surface);
  border-left: 2px solid var(--accent);
  border-radius: 0 6px 6px 0;
  text-align: left;
}

/* Reset default dd margin for dashboard */
.dash-card dd {
  margin: 0;
}

.dash-primary {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-bright);
  display: block;
  line-height: 1.3;
}

.dash-secondary {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.25rem;
}

.dash-tertiary {
  font-size: 0.7rem;
  color: var(--accent);
  display: block;
  margin-top: 0.2rem;
}

/* ── Space-weather status variants on dash-cards ─────────────────────── */

.dash-card--nominal { border-top-color: var(--success); }
.dash-card--elevated { border-top-color: var(--warning); }
.dash-card--severe  { border-top-color: var(--danger); }

.dash-primary .comms-dot {
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.3rem;
}

.dash-card__events {
  margin-top: 0.6rem;
  text-align: left;
}

.dash-card__events:empty {
  display: none;
}

.sw-detail-collapse {
  margin-top: 0.4rem;
}

.sw-detail-toggle {
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-muted);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 44px;
  padding: 0.5rem 0;
}

.sw-detail-toggle::-webkit-details-marker {
  display: none;
}

.sw-detail-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-muted);
  transition: transform 0.2s ease;
}

.sw-detail-collapse[open] > .sw-detail-toggle::after {
  transform: rotate(180deg);
}

/* ── Timeline: Tab bar ─────────────────────────────────────────────────── */

.btn--notify {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  min-height: 44px;
  margin-bottom: 0.5rem;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--accent);
}

.btn--notify:hover, .btn--notify:focus-visible {
  background: var(--accent);
  color: var(--bg);
}

.btn--notify.btn--notify-on {
  background: var(--success);
  color: var(--bg);
  border-color: var(--success);
}

.btn--notify.btn--notify-on:hover, .btn--notify.btn--notify-on:focus-visible {
  background: #16a34a;
  border-color: #16a34a;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

.btn--notify.btn--notify-blocked {
  background: var(--bg-card);
  color: var(--text-muted);
  border-color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn--skip-current {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  min-height: 44px;
  margin-bottom: 1rem;
}

#timeline-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 0;
}

.timeline-tab {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1rem;
  min-height: 44px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  margin-bottom: -2px;
}

.timeline-tab:hover,
.timeline-tab:focus-visible {
  color: var(--text-bright);
  background: var(--bg-card);
}

.timeline-tab--active {
  color: var(--text-bright);
  border-bottom-color: var(--accent);
  background: var(--bg-card);
}

.timeline-tab--current-phase {
  color: var(--accent-light);
}

.timeline-tab--current-phase.timeline-tab--active {
  color: var(--text-bright);
}

.timeline-tab--past-phase {
  opacity: 0.85;
}

/* ── Timeline: Tab panels ─────────────────────────────────────────────── */

.timeline-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  padding: 0.75rem 0;
  animation: timeline-slide-down 0.2s ease;
}

@keyframes timeline-slide-down {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Timeline: Steps (collapsible) ────────────────────────────────────── */

.timeline-step {
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.timeline-step:last-child {
  border-bottom: none;
}

.timeline-step__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 1.25rem;
  min-height: 48px;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease;
  gap: 0.75rem;
}

.timeline-step__toggle:hover,
.timeline-step__toggle:focus-visible {
  background: rgba(26, 45, 77, 0.5);
}

.timeline-step__toggle::after {
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.timeline-step__toggle[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.timeline-step__name {
  font-weight: 600;
  font-size: 0.95rem;
  flex: 1;
}

.timeline-step__time {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  gap: 0.1rem;
}

.timeline-step__time-date {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-step__time-countdown {
  font-size: 0.72rem;
  font-family: var(--font-sans);
  color: var(--accent-light);
  white-space: nowrap;
}

/* ── Step states ──────────────────────────────────────────────────────── */

.timeline-step--current {
  border-left-color: var(--accent);
  background: var(--bg-highlight);
}

.timeline-step--current .timeline-step__name {
  color: var(--text-bright);
}

.timeline-step--current .timeline-step__time {
  color: #93c5fd;
}

.timeline-step--past .timeline-step__name {
  color: var(--text-muted);
}

.timeline-step--past .timeline-step__time {
  color: #8a9bb3;
}

.timeline-step--future .timeline-step__name {
  color: var(--text-muted);
}

.timeline-step--future .timeline-step__time {
  color: #8a9bb3;
}

/* ── Step expanded content ────────────────────────────────────────────── */

.timeline-step__content {
  padding: 0 1.25rem 1rem 1.25rem;
  animation: timeline-slide-down 0.2s ease;
}

.timeline-step--current .timeline-step__content {
  padding-left: calc(1.25rem - 3px);
}

.timeline-step__desc {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.timeline-step__countdown {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}

.timeline-step__detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.timeline-step__detail p {
  margin: 0 0 0.5rem;
}

.timeline-step__subheading {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.75rem 0 0.35rem;
}

.timeline-step__facts {
  list-style: disc;
  padding-left: 1.25rem;
  margin: 0 0 0.5rem;
}

.timeline-step__facts li {
  margin-bottom: 0.25rem;
}

.timeline-step__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-step__links a {
  font-size: 0.8rem;
  color: var(--accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0;
}

.timeline-step__links a:hover,
.timeline-step__links a:focus-visible {
  color: var(--text-bright);
}

/* ── Planned (untimed) activities ─────────────────────────────────────── */

.timeline-planned-activities {
  border-top: 2px dashed var(--border-light);
  margin-top: 0.25rem;
  padding-top: 0.5rem;
}

.timeline-planned-activities__heading {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 1.25rem 0.25rem;
}

.timeline-step--untimed {
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--border);
  opacity: 0.85;
}

.timeline-step--untimed:last-child {
  border-bottom: none;
}

.timeline-step--untimed .timeline-step__toggle {
  padding: 0.6rem 1.25rem;
  min-height: 44px;
}

.timeline-step--untimed .timeline-step__name {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.timeline-step__day-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  opacity: 0.8;
}

.timeline-step--untimed .timeline-step__toggle:hover .timeline-step__name,
.timeline-step--untimed .timeline-step__toggle:focus-visible .timeline-step__name {
  color: var(--text);
}

/* ── Crew cards ────────────────────────────────────────────────────────── */

.crew-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--gap);
  list-style: none;
}

.crew-card {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.crew-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.crew-card__name {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.crew-card__role {
  font-size: 0.85rem;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.crew-card__bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Spacecraft specs ──────────────────────────────────────────────────── */

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: var(--gap);
}

.spec-card {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.spec-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.spec-card__title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
  color: var(--accent-light);
}

.spec-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.spec-card__list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 1rem;
  font-size: 0.85rem;
}

.spec-card__list dt {
  font-weight: 600;
  color: var(--text);
}

.spec-card__list dd {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

/* ── News ──────────────────────────────────────────────────────────────── */

.news-list {
  display: grid;
  gap: 1rem;
}

.news-item {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--card-radius);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.news-item__title {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.news-item__title a {
  color: var(--text-bright);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.news-item__title a:hover,
.news-item__title a:focus-visible {
  text-decoration: underline;
  color: var(--accent-light);
}

.news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.news-item__date {
  font-size: inherit;
  font-family: inherit;
  color: inherit;
}

.news-item__source {
  color: var(--accent-light);
}

.news-item__summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.news-error {
  color: var(--danger);
  padding: 1rem;
  text-align: center;
  font-size: 0.95rem;
}

.btn--retry-news {
  margin-left: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: var(--bg-highlight);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn--retry-news:hover,
.btn--retry-news:focus-visible {
  background: var(--accent);
  color: var(--text-bright);
}

/* ── Live stream ───────────────────────────────────────────────────────── */

.livestream-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 3rem 2rem;
  text-align: center;
}

.livestream-placeholder p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  gap: 0.4rem;
}

.btn:hover, .btn:focus-visible {
  background: var(--accent-light);
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* ── About ─────────────────────────────────────────────────────────────── */

.about-text {
  max-width: 50rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.about-text p + p {
  margin-top: 1rem;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.site-footer {
  padding: 2.5rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.site-footer p + p {
  margin-top: 0.35rem;
}

/* ── Visually hidden (screen reader only) ──────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Crew Activity wide card ─────────────────────────────────────────── */

.dash-card--wide {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--card-radius);
  padding: 1.25rem;
}

/* ── Crew Activity card link ─────────────────────────────────────────── */

.dash-card__link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}
.dash-card__link:hover,
.dash-card__link:focus-visible {
  color: var(--text-bright);
  text-decoration: underline;
}

/* ── Crew Schedule page ─────────────────────────────────────────────── */

.schedule-day {
  margin-bottom: 2rem;
}
.schedule-day__heading {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}
.schedule-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.schedule-item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0 1rem;
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--card-radius);
  padding: 0.75rem 1rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.schedule-item--current {
  border-left-color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
}
.schedule-item--past {
  opacity: 0.5;
}
.schedule-item__time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 0.1rem;
}
.schedule-item--current .schedule-item__time {
  color: var(--accent-light);
}
.schedule-item__body {
  min-width: 0;
}
.schedule-item__label {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 0.9rem;
  line-height: 1.4;
}
.schedule-item--current .schedule-item__label::before {
  content: '\25B6\00a0';
  color: var(--accent);
  font-size: 0.7rem;
}
.schedule-item__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  line-height: 1.5;
}

@media (max-width: 480px) {
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

/* ── Comms Status ────────────────────────────────────────────────────── */

.comms-status-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.comms-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.comms-dot--green {
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
}

.comms-dot--yellow {
  background: var(--warning);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

.comms-dot--red {
  background: var(--danger);
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.3);
  animation: pulse-dot 1.5s infinite;
}

.comms-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-bright);
  margin: 0;
}

.comms-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0.15rem 0 0;
}

@media (forced-colors: active) {
  .comms-status-card {
    border: 2px solid CanvasText;
  }
  .comms-dot {
    border: 2px solid CanvasText;
  }
}

/* ── Dashboard disclaimer ─────────────────────────────────────────── */

.dash-disclaimer {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.25rem;
  line-height: 1.5;
}

/* ── Deep Space Network ──────────────────────────────────────────────── */

.dsn-orion {
  margin-bottom: 2rem;
}

.dsn-loading {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.9rem;
}

.dsn-no-contact {
  color: var(--warning);
  font-weight: 600;
  font-size: 0.95rem;
}

.dsn-tracking {
  color: var(--success);
  font-weight: 600;
  font-size: 0.95rem;
}

.dsn-error {
  color: var(--danger);
  font-size: 0.9rem;
}

.dsn-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 0.5rem;
}

.dsn-dish-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.25rem;
  margin-top: 0.75rem;
}

.dsn-dish-card--orion {
  border-color: var(--success);
  border-left: 3px solid var(--success);
}

.dsn-dish-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.dsn-dish-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
}

.dsn-dish-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dsn-mode-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  line-height: 1;
}

.dsn-dish-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 1rem;
  font-size: 0.85rem;
}

.dsn-dish-details dt {
  font-weight: 600;
  color: var(--text);
}

.dsn-dish-details dd {
  color: var(--text-muted);
  margin: 0;
  font-family: var(--font-mono);
}

.dsn-compact-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: 0.5rem;
}

.dsn-compact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  font-size: 0.82rem;
  flex-wrap: wrap;
}

.dsn-compact-item--orion {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.06);
}

.dsn-compact-dish {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-bright);
  flex-shrink: 0;
}

.dsn-compact-station {
  color: var(--text-muted);
  flex-shrink: 0;
}

.dsn-compact-sc {
  color: var(--accent-light);
  font-weight: 600;
  margin-left: auto;
}

.dsn-attribution {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
}

@media (max-width: 480px) {
  .dsn-dish-details {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .dsn-dish-details dt {
    margin-top: 0.5rem;
  }

  .dsn-compact-list {
    grid-template-columns: 1fr;
  }
}

/* ── Audio Radar ──────────────────────────────────────────────────────── */

.audio-radar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.audio-radar-summary {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-bright);
  transition: background 0.2s ease;
}

.audio-radar-summary::-webkit-details-marker { display: none; }
.audio-radar-summary::marker { content: ''; }

.audio-radar-summary:hover {
  background: rgba(26, 45, 77, 0.5);
}

.audio-radar-summary::after {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  margin-left: auto;
}

.audio-radar-panel[open] > .audio-radar-summary::after {
  transform: rotate(45deg);
}

.audio-radar-controls {
  padding: 0 1.25rem 1.25rem;
  animation: timeline-slide-down 0.25s ease;
}

.audio-radar-intro {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.audio-control-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.audio-control-row label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  min-width: 6rem;
  flex-shrink: 0;
}

.audio-control-row input[type="range"] {
  flex: 1;
  min-width: 100px;
  max-width: 240px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-light);
  border-radius: 2px;
  outline: none;
}

.audio-control-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 0 6px var(--accent-glow);
}

.audio-control-row input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 0 6px var(--accent-glow);
}

.audio-value-label {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  min-width: 3rem;
}

.btn--audio {
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  min-height: 44px;
}

.btn--audio[aria-pressed="true"] {
  background: var(--danger);
}

.btn--audio-sm {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  min-height: 44px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: background 0.2s ease;
}

.btn--audio-sm:hover,
.btn--audio-sm:focus-visible {
  background: var(--accent-light);
  color: var(--bg);
}

.btn--audio-sm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--border);
}

.audio-control-fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.audio-control-fieldset legend {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  padding: 0 0.35rem;
}

.audio-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  min-height: 44px;
  padding: 0.4rem 0;
  margin-right: 0.75rem;
}

.audio-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.audio-status {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 0.5rem;
  margin-bottom: 0;
}

.audio-view-fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.audio-view-fieldset legend {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  padding: 0 0.35rem;
}

.audio-radio-label {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  min-height: 44px;
  padding: 0.4rem 0;
}

.audio-radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.audio-radio-desc {
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

/* ── Audio Help Panel ─────────────────────────────────────────────────── */

.audio-help-panel {
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.audio-help-panel > summary {
  list-style: none;
  min-height: 44px;
}

.audio-help-panel > summary::-webkit-details-marker { display: none; }
.audio-help-panel > summary::marker { content: ''; }

.audio-help-content {
  padding: 1rem;
  animation: timeline-slide-down 0.2s ease;
}

.audio-help-content h3 {
  font-size: 0.9rem;
  color: var(--text-bright);
  margin: 1rem 0 0.4rem;
}

.audio-help-content h3:first-child {
  margin-top: 0;
}

.audio-help-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 0.5rem;
}

.audio-help-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
}

.audio-help-content ul li {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 0.15rem 0;
}

.audio-help-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
}

.audio-help-dl dt {
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.audio-help-dl dd {
  color: var(--text-muted);
  margin: 0;
}

.btn--preview-sound {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  min-height: 44px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn--preview-sound:hover,
.btn--preview-sound:focus-visible {
  background: var(--accent-light);
  color: var(--bg);
}

/* ── Stream grid ──────────────────────────────────────────────────────── */

.stream-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.stream-card {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stream-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stream-card h3 {
  margin: 0 0 0.5rem;
  color: var(--text);
}

.stream-card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stream-embed {
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.stream-embed iframe {
  display: block;
  aspect-ratio: 16/9;
  width: 100%;
  height: auto;
}

.dash-card__est {
  font-size: 0.7em;
  color: var(--text-muted);
  font-weight: normal;
}

.audio-milestone-status {
  /* inherit from .audio-status */
}

/* ── Space Weather (event cards rendered by JS) ──────────────────────── */

.sw-class-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.sw-class-tag--c {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.sw-class-tag--m {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.sw-class-tag--x {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.sw-event-list {
  display: grid;
  gap: 0.5rem;
}

.sw-event-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--card-radius);
  padding: 0.85rem 1rem;
}

.sw-event-card--c {
  border-left-color: var(--success);
}

.sw-event-card--m {
  border-left-color: var(--warning);
}

.sw-event-card--x {
  border-left-color: var(--danger);
}

.sw-event-card--cme {
  border-left-color: var(--accent);
}

.sw-event-card--storm {
  border-left-color: var(--warning);
}

.sw-event-card--sep {
  border-left-color: var(--danger);
}

.sw-event-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.sw-event-class {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
}

.sw-event-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sw-event-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.75rem;
  font-size: 0.82rem;
}

.sw-event-details dt {
  font-weight: 600;
  color: var(--text);
}

.sw-event-details dd {
  color: var(--text-muted);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.sw-none {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0;
}

.sw-attribution {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .sw-event-details {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .sw-event-details dt {
    margin-top: 0.4rem;
  }
}

@media (forced-colors: active) {
  .sw-event-card {
    border: 2px solid CanvasText;
  }
  .sw-class-tag {
    border: 1px solid CanvasText;
  }
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }

  .hero { padding: 3rem 0 2rem; }
  .hero__status { font-size: 1.1rem; }
  .hero__met { font-size: 2rem; }
  .dash-primary { font-size: 1.3rem; }


  /* Header layout: title + hamburger on one row */
  .site-header__inner {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0.5rem;
  }

  .site-title {
    grid-column: 1;
    grid-row: 1;
  }

  .data-status {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    height: auto;
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle {
    display: flex;
    grid-column: 3;
    grid-row: 1;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav a {
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    min-height: 48px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .site-nav li:last-child a {
    border-bottom: none;
  }

  /* Fix #5: Card label font sizes — minimum ~12.5px for readability */
  .dash-card__label {
    font-size: 0.78rem;
  }
  .dash-card--primary .dash-card__label {
    font-size: 0.82rem;
  }

  /* Fix #6: Timeline tab scroll indicator */
  #timeline-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  #timeline-tabs::-webkit-scrollbar {
    display: none;
  }
  #timeline-tabs::after {
    content: '';
    position: sticky;
    right: 0;
    top: 0;
    bottom: 0;
    width: 2rem;
    background: linear-gradient(to right, transparent, var(--bg));
    pointer-events: none;
    flex-shrink: 0;
  }

  .timeline-tab {
    font-size: 0.75rem;
    padding: 0.5rem 0.65rem;
  }

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

  .dashboard-grid,
  .dashboard-grid--primary {
    grid-template-columns: 1fr 1fr;
  }

  .dash-card--primary .dash-primary {
    font-size: 1.5rem;
  }

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

  .livestream-placeholder {
    padding: 2rem 1rem;
  }
}

@media (max-width: 600px) {
  .dashboard-grid,
  .dashboard-grid--primary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --gap: 1rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .hero {
    padding: 2rem 0 1.5rem;
  }

  .hero__status {
    font-size: 1rem;
  }

  .hero__met {
    font-size: 1.5rem;
  }

  .dash-primary {
    font-size: 1.15rem;
  }

  .dash-card {
    padding: 1rem;
  }

  .timeline-tab {
    font-size: 0.7rem;
    padding: 0.4rem 0.5rem;
  }

  /* Fix #7: Improve timeline step layout at narrow widths */
  .timeline-step__toggle {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
  }
  .timeline-step__time {
    align-items: flex-start;
    flex-direction: row;
    gap: 0.5rem;
  }

  .timeline-step__time-date {
    font-size: 0.72rem;
  }

  .timeline-step__time-countdown {
    font-size: 0.68rem;
    white-space: normal;
  }

  .timeline-step__content {
    padding: 0 0.75rem 0.75rem;
  }

  .audio-help-dl {
    grid-template-columns: 1fr;
  }

  .spec-card {
    padding: 1.25rem;
  }

  .spec-card__list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .spec-card__list dt {
    margin-top: 0.5rem;
  }

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

  /* Fix #9: Trajectory SVG label readability on mobile */
  .traj-label {
    font-size: 16px;
  }
  .traj-orion-label {
    font-size: 15px;
  }
  .trajectory-svg {
    max-height: 140px;
  }

  /* Fix #19: Viewport-aware sparkline height */
  .sparkline-svg {
    height: 24px;
  }
}

/* Fix #4 + #10: 375px breakpoint for iPhone SE / small phones + MET overflow */
@media (max-width: 375px) {
  :root {
    --gap: 0.75rem;
  }
  .hero__met {
    font-size: 1.25rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .hero__phase {
    font-size: 0.7rem;
    padding: 0.3rem 0.9rem;
  }
  .dash-primary {
    font-size: 1rem;
  }
  .dash-card--primary .dash-primary {
    font-size: 1.25rem;
  }
  .comms-text {
    font-size: 0.85rem;
  }
}

/* Fix #20: Safe-area-inset padding for notched phones */
@supports (padding: env(safe-area-inset-left)) {
  .container {
    padding-left: max(var(--gap), env(safe-area-inset-left));
    padding-right: max(var(--gap), env(safe-area-inset-right));
  }
  .site-footer {
    padding-bottom: max(2.5rem, calc(2.5rem + env(safe-area-inset-bottom)));
  }
}

/* ── Reduced motion ────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Sparkline mini-charts ─────────────────────────────────────────── */

.sparkline-svg {
  display: block;
  width: 100%;
  height: 30px;
  margin-top: 0.5rem;
  overflow: visible;
}

.sparkline-svg polyline {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  opacity: 0.45;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Moon progress bar ────────────────────────────────────────────── */

.moon-progress {
  margin-top: 0.6rem;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.moon-progress__fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 1s ease;
}

/* ── Trajectory SVG visualization ─────────────────────────────────── */

.trajectory-viz {
  max-width: var(--max-width);
  margin: 0 auto 2rem;
  padding: 0 var(--gap);
}

.trajectory-svg {
  width: 100%;
  height: auto;
  max-height: 200px;
}

.traj-earth {
  fill: var(--accent);
  opacity: 0.7;
}

.traj-moon {
  fill: var(--text-muted);
  opacity: 0.8;
}

.traj-path {
  stroke: var(--border-light);
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
  opacity: 0.5;
}

.traj-orion {
  fill: var(--accent-light);
}

.traj-label {
  fill: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
}

.traj-orion-label {
  fill: var(--accent-light);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
}

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

/* ── High contrast mode support ────────────────────────────────────────── */

@media (forced-colors: active) {
  .data-status::before {
    background: CanvasText;
  }
  .data-status--live::before {
    background: Highlight;
  }
  .dash-card,
  .crew-card,
  .spec-card,
  .news-item,
  .livestream-placeholder,
  .dsn-dish-card,
  .dsn-compact-item,
  .stream-card,
  .stream-describe-inline,
  .schedule-item {
    border: 2px solid CanvasText;
  }
  .schedule-item--current {
    border-left: 3px solid Highlight;
  }
  .timeline-tab--active {
    border-bottom: 3px solid Highlight;
  }
  .timeline-panel {
    border: 2px solid CanvasText;
  }
  .timeline-step--current {
    border-left: 3px solid Highlight;
  }
  .btn {
    border: 2px solid ButtonText;
  }
  .skip-nav:focus {
    outline: 3px solid Highlight;
  }
  .hero__phase {
    border: 2px solid CanvasText;
  }
  .nav-toggle {
    border: 2px solid ButtonText;
  }
  :focus-visible {
    outline: 3px solid Highlight;
  }
}

/* Fix #15: Back-to-top floating button for mobile */
.back-to-top {
  display: none;
}

@media (max-width: 768px) {
  .back-to-top {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    text-decoration: none;
  }
  .back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
  }
}

/* Fix #17: Space weather compact collapse on mobile */
@media (max-width: 768px) {
  .sw-mobile-collapse {
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    margin-bottom: 1rem;
  }
  .sw-mobile-collapse > summary {
    list-style: none;
    cursor: pointer;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    min-height: 44px;
  }
  .sw-mobile-collapse > summary::-webkit-details-marker {
    display: none;
  }
  .sw-mobile-collapse > summary::after {
    content: '';
    width: 0.4rem;
    height: 0.4rem;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
    margin-left: auto;
  }
  .sw-mobile-collapse[open] > summary::after {
    transform: rotate(45deg);
  }
  .sw-cards-collapsible {
    display: none;
  }
  .sw-mobile-collapse[open] .sw-cards-collapsible {
    display: grid;
  }
}