/* ============================================================
   Sky Map (sky-map.html) page styles: the curtain-pattern full-screen
   layout, the dome chrome, sheets, cards, chips, and the native red
   night-mode overrides. Page-scoped on purpose: nothing here touches the
   shared style.css, so no sitewide cache bump is needed.
   ============================================================ */

/* ---- chrome color tokens (the dome is always dark; night mode goes red) ---- */
:root {
  --skv-chrome-bg: rgba(12, 16, 34, 0.78);
  --skv-chrome-ink: #e6eafc;
  --skv-chrome-muted: #a7b0d4;
  --skv-chrome-border: rgba(150, 162, 215, 0.28);
  --skv-accent: #8b93ff;
}
:root[data-theme="night"] {
  --skv-chrome-bg: rgba(23, 6, 6, 0.85);
  --skv-chrome-ink: #f47171;
  --skv-chrome-muted: #b56060;
  --skv-chrome-border: rgba(66, 17, 17, 0.9);
  --skv-accent: #e04747;
}

/* ---- the fixed dome stage + curtain ---- */
.skv-stage {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
  background: #05060d;
  overscroll-behavior: none;
}
/* the display rules on chrome classes must never beat the hidden attribute */
.skv-stage [hidden] { display: none !important; }
:root[data-theme="night"] .skv-stage { background: #0b0303; }
.skv-canvas {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
/* The sitewide night theme puts a sepia/hue-rotate filter on EVERY canvas;
   on a 60 fps full-screen canvas that forces an extra GPU pass per frame and
   double-processes our colors. The dome renders a native red palette instead. */
:root[data-theme="night"] .skv-canvas { filter: none !important; }
.skv-scroll .skv-canvas { touch-action: auto; pointer-events: none; }
#skv-ui { cursor: grab; }
#skv-ui:active { cursor: grabbing; }
#skv-ui:focus-visible { outline: 3px solid var(--skv-accent); outline-offset: -3px; }

.skv-dim {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  z-index: 9;
}

.skv-below {
  position: relative;
  z-index: 2;
  background: var(--bg, #f7f8fc);
  margin-top: 100vh;
  margin-top: 100dvh;
  padding-top: 1rem;
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.45);
}

/* Hide the site header over the dome; a pull-down tab reveals it. Once the
   curtain covers the dome, the header returns as a fixed bar. */
body.skv-page .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  transform: translateY(-105%);
  transition: transform 0.28s ease;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}
body.skv-page.skv-header-open .site-header,
body.skv-page.skv-curtain .site-header { transform: none; }
/* keyboard users tabbing into the nav must see it, not focus invisible links */
body.skv-page .site-header:focus-within { transform: none; }
/* No ads on this page, ever: even after the site-wide ad launch flips
   .ad-slot visible, nothing may render here (the footer block is generated
   site-wide by build-nav, so the guarantee lives in CSS, not markup). */
body.skv-page .ad-slot { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  body.skv-page .site-header { transition: none; }
}

.skv-headertab {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 41;
  min-height: 30px;
  min-width: 130px;
  padding: calc(env(safe-area-inset-top, 0px) + 4px) 18px 6px;
  border: 1px solid var(--skv-chrome-border);
  border-top: 0;
  border-radius: 0 0 12px 12px;
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
}
body.skv-header-open .skv-headertab, body.skv-curtain .skv-headertab { display: none; }

/* ---- top chrome: location pill + night/fullscreen ---- */
.skv-top {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + 8px);
  left: calc(env(safe-area-inset-left, 0px) + 8px);
  right: calc(env(safe-area-inset-right, 0px) + 8px);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  z-index: 3;
  pointer-events: none;
}
.skv-top > * { pointer-events: auto; }
.skv-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--skv-chrome-border);
  border-radius: 999px;
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  max-width: 60vw;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 560px) {
  .skv-pill { max-width: 30vw; font-size: 0.8rem; padding: 8px 11px; }
  .skv-bar .skv-pill { max-width: 38vw; }
  .skv-loc-tap { display: none; }
}
.skv-pill:hover { border-color: var(--skv-accent); }
.skv-loc-ico { color: var(--skv-accent); }
.skv-loc-tap { color: var(--skv-chrome-muted); font-size: 0.75rem; white-space: nowrap; }
.skv-iconbtn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--skv-chrome-border);
  border-radius: 12px;
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
}
.skv-iconbtn:hover { border-color: var(--skv-accent); }
.skv-iconbtn.on { background: var(--skv-accent); color: #10041a; border-color: var(--skv-accent); }
:root[data-theme="night"] .skv-iconbtn.on { color: #1a0404; }
.skv-topright { display: flex; gap: 8px; }

/* ---- chips ---- */
.skv-chip {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + 62px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: min(92vw, 33rem);
  padding: 9px 10px 9px 14px;
  border: 1px solid var(--skv-chrome-border);
  border-radius: 12px;
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  font-size: 0.85rem;
  line-height: 1.45;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}
.skv-chip[hidden] { display: none; }
.skv-chip-act {
  flex: none;
  border: 1px solid var(--skv-accent);
  background: transparent;
  color: var(--skv-accent);
  border-radius: 999px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 12px;
  cursor: pointer;
}
.skv-chip-x {
  flex: none;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: var(--skv-chrome-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 8px;
}
.skv-chip-x:hover { color: var(--skv-chrome-ink); }

/* ---- bottom chrome bar ---- */
.skv-bar {
  position: absolute;
  left: calc(env(safe-area-inset-left, 0px) + 8px);
  right: calc(env(safe-area-inset-right, 0px) + 8px);
  bottom: calc(env(safe-area-inset-bottom, 0px) + 34px);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
}
.skv-rail {
  flex: 1 1 auto;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 2px;
}
.skv-rail::-webkit-scrollbar { display: none; }
.skv-rail-note { color: var(--skv-chrome-muted); font-size: 0.82rem; white-space: nowrap; align-self: center; text-shadow: 0 1px 4px rgba(0,0,0,0.8); }
.skv-rail-stale { opacity: 0.55; }
.skv-railchip {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  min-height: 44px;
  padding: 6px 12px;
  border: 1px solid var(--skv-chrome-border);
  border-radius: 12px;
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.skv-railchip:hover { border-color: var(--skv-accent); }
.skv-railname { font-weight: 700; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 6px; }
.skv-railsub { font-size: 0.72rem; color: var(--skv-chrome-muted); white-space: nowrap; }
.skv-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.skv-dot-easy { background: #34d399; }
.skv-dot-stretch { background: #fbbf24; }
.skv-dot-out { background: #6b7280; }
:root[data-theme="night"] .skv-dot-easy { background: #e08a3c; }
:root[data-theme="night"] .skv-dot-stretch { background: #b56060; }
:root[data-theme="night"] .skv-dot-out { background: #632020; }
.skv-railchip .skv-dot { position: relative; top: 0; }
.skv-railname .skv-dot { margin-right: 2px; }

/* ---- the curtain chevron ---- */
.skv-chevron {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  z-index: 3;
  min-height: 30px;
  padding: 4px 20px calc(env(safe-area-inset-bottom, 0px) + 4px);
  border: 0;
  background: transparent;
  color: var(--skv-chrome-muted);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
  white-space: nowrap;
}
.skv-chevron:hover { color: var(--skv-chrome-ink); }

/* ---- sheets ---- */
.skv-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  max-height: 62%;
  overflow: auto;
  background: var(--skv-chrome-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--skv-chrome-ink);
  border: 1px solid var(--skv-chrome-border);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
  padding: 14px calc(env(safe-area-inset-right, 0px) + 16px) calc(env(safe-area-inset-bottom, 0px) + 16px) calc(env(safe-area-inset-left, 0px) + 16px);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}
.skv-sheet[hidden] { display: none; }
@media (min-width: 760px) {
  .skv-sheet { left: auto; right: 16px; bottom: 90px; width: 400px; border-radius: 16px; border-bottom: 1px solid var(--skv-chrome-border); }
}
.skv-sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 0 0 10px; }
/* sheet titles are role="heading" divs, not h2s, so the page's h1 stays the
   first real heading tag in source order */
.skv-sheet-head h2, .skv-sheet-head .skv-sheet-name { font-size: 1rem; margin: 0; font-weight: 700; }
.skv-sheet-close {
  width: 40px; height: 40px; flex: none;
  border: 0; background: transparent; color: var(--skv-chrome-muted);
  font-size: 1.4rem; line-height: 1; cursor: pointer; border-radius: 8px;
}
.skv-sheet-close:hover { color: var(--skv-chrome-ink); }
.skv-sheet label { display: flex; align-items: center; gap: 10px; min-height: 40px; font-size: 0.9rem; }
.skv-sheet input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--skv-accent); }
.skv-sheet input[type="range"] { flex: 1; accent-color: var(--skv-accent); }
.skv-sheet select, .skv-sheet input[type="text"], .skv-sheet input[type="search"], .skv-sheet input[type="number"], .skv-sheet input[type="date"] {
  font: inherit;
  background: rgba(0, 0, 0, 0.3);
  color: var(--skv-chrome-ink);
  border: 1px solid var(--skv-chrome-border);
  border-radius: 9px;
  padding: 9px 10px;
  min-height: 42px;
}
.skv-sheet-note { color: var(--skv-chrome-muted); font-size: 0.78rem; line-height: 1.5; margin: 8px 0 0; }
.skv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid var(--skv-chrome-border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--skv-chrome-ink);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.skv-btn:hover { border-color: var(--skv-accent); }
.skv-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }

/* search sheet */
#skv-search-input { width: 100%; }
.skv-search-list { margin-top: 8px; }
.skv-opt {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0 10px;
  padding: 9px 10px;
  border-radius: 10px;
  cursor: pointer;
}
.skv-opt[aria-selected="true"], .skv-opt:hover { background: rgba(139, 147, 255, 0.16); }
:root[data-theme="night"] .skv-opt[aria-selected="true"], :root[data-theme="night"] .skv-opt:hover { background: rgba(224, 71, 71, 0.16); }
.skv-opt-name { font-weight: 700; font-size: 0.92rem; }
.skv-opt-sub { grid-column: 1; color: var(--skv-chrome-muted); font-size: 0.76rem; }
.skv-opt-now { grid-column: 2; grid-row: 1; font-size: 0.78rem; color: var(--skv-chrome-ink); text-align: right; white-space: nowrap; }
.skv-opt-rise { grid-column: 2; grid-row: 2; font-size: 0.74rem; color: var(--skv-chrome-muted); text-align: right; white-space: nowrap; }
.skv-opt-empty { color: var(--skv-chrome-muted); font-size: 0.85rem; padding: 8px 4px; }
.skv-opt-head { color: var(--skv-chrome-muted); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin: 10px 0 2px; }

/* time sheet */
.skv-scrub {
  height: 62px;
  border: 1px dashed var(--skv-chrome-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--skv-chrome-muted);
  font-size: 0.82rem;
  touch-action: none;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  margin: 4px 0 10px;
}
.skv-scrub:focus-visible { outline: 2px solid var(--skv-accent); }
.skv-time-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

/* location sheet */
.skv-loc-row { display: flex; gap: 8px; margin: 6px 0; }
.skv-loc-row input { flex: 1; min-width: 0; }
.skv-loc-opt {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: 0.9rem;
  padding: 10px;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--skv-chrome-ink);
  cursor: pointer;
}
.skv-loc-opt:hover { background: rgba(139, 147, 255, 0.16); }
.skv-loc-msg2, #skv-loc-msg { color: var(--skv-chrome-muted); font-size: 0.83rem; }

/* ---- object card ---- */
.skv-card {
  position: absolute;
  left: calc(env(safe-area-inset-left, 0px) + 12px);
  right: calc(env(safe-area-inset-right, 0px) + 12px);
  bottom: calc(env(safe-area-inset-bottom, 0px) + 96px);
  z-index: 4;
  max-height: 40%;
  overflow: auto;
  background: var(--skv-chrome-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--skv-chrome-ink);
  border: 1px solid var(--skv-chrome-border);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.skv-card[hidden] { display: none; }
@media (min-width: 760px) {
  .skv-card { left: calc(env(safe-area-inset-left, 0px) + 16px); right: auto; width: 380px; bottom: 96px; }
}
.skv-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.skv-card-title { font-size: 1.15rem; margin: 0; line-height: 1.25; }
.skv-card-close {
  width: 40px; height: 40px; flex: none;
  border: 0; background: transparent; color: var(--skv-chrome-muted);
  font-size: 1.5rem; line-height: 1; cursor: pointer; border-radius: 8px;
}
.skv-card-close:hover { color: var(--skv-chrome-ink); }
.skv-card-sub { margin: 2px 0 0; color: var(--skv-chrome-muted); font-size: 0.85rem; }
.skv-card-fact { margin: 8px 0 0; font-size: 0.9rem; line-height: 1.5; }
.skv-card-pos { margin: 8px 0 0; font-size: 0.88rem; font-weight: 600; }
.skv-card-rts { margin: 2px 0 0; font-size: 0.83rem; color: var(--skv-chrome-muted); }
.skv-card-verdict { margin: 8px 0 0; font-size: 0.83rem; color: var(--skv-chrome-ink); border-left: 3px solid var(--skv-accent); padding-left: 8px; }
.skv-card-extra { margin: 8px 0 0; font-size: 0.83rem; color: var(--skv-chrome-muted); }
.skv-card-learn { margin: 10px 0 0; font-size: 0.88rem; }
.skv-card a { color: var(--skv-accent); }

/* ---- fatal message ---- */
.skv-fatal {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;   /* above the dimmer: the error card must stay readable */
  background: var(--skv-chrome-bg);
  color: var(--skv-chrome-ink);
  border: 1px solid var(--skv-chrome-border);
  border-radius: 12px;
  padding: 16px 20px;
  max-width: 22rem;
  text-align: center;
}
.skv-fatal[hidden] { display: none; }

/* ---- visually hidden live region ---- */
.skv-vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---- curtain content polish ---- */
.skv-below .container { padding-top: 0.5rem; }
body.skv-curtain .skv-below { padding-top: 4.5rem; }
.skv-backtop { margin: 0 0 1rem; }
.skv-noads { font-size: 0.85rem; color: var(--muted, #5b6680); }

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .skv-headertab, .skv-sheet, .skv-card { transition: none; }
}