:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: #07111f;
  color: #edf6ff;
  --detail-bg: #141820;
  --detail-surface: #1c1f28;
  --detail-surface-2: #101626;
  --detail-text: #f4f4f0;
  --detail-muted: #b8b5ad;
  --detail-line: rgba(255, 255, 255, 0.1);
  --detail-accent: #e8b86d;
  --detail-radius: 16px;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-display: "Cormorant Garamond", "Noto Serif SC", serif;
}

* {
  box-sizing: border-box;
}

body.detail-open,
body.myths-open {
  overflow: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(74, 126, 170, 0.22), transparent 30%),
    linear-gradient(160deg, #07111f 0%, #101826 46%, #162317 100%);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(100%, 980px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 14px max(18px, env(safe-area-inset-bottom));
  display: grid;
  gap: 12px;
  grid-template-rows: minmax(360px, 1fr) auto auto auto auto;
}

.sky-panel {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  border: 1px solid rgba(203, 226, 255, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle at 52% 42%, rgba(33, 62, 102, 0.9), rgba(5, 12, 24, 0.96) 64%),
    #07111f;
}

#skyCanvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: manipulation;
  cursor: crosshair;
}

.reticle {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 76px;
  height: 76px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  pointer-events: none;
}

.reticle span {
  position: absolute;
  background: rgba(255, 255, 255, 0.58);
}

.reticle span:first-child {
  width: 1px;
  height: 92px;
  left: 50%;
  top: -8px;
}

.reticle span:last-child {
  width: 92px;
  height: 1px;
  left: -8px;
  top: 50%;
}

.moon-model {
  position: absolute;
  left: 0;
  top: 0;
  width: 74px;
  height: 74px;
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 2;
}

.moon-model.visible {
  opacity: 1;
}

.language-button {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 4;
  min-width: 52px;
  min-height: 38px;
  padding: 0 12px;
  color: #edf6ff;
  background: rgba(8, 18, 32, 0.72);
  backdrop-filter: blur(10px);
}

.permission-panel {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(4, 9, 18, 0.72);
  backdrop-filter: blur(12px);
  z-index: 5;
}

.permission-panel.hidden {
  display: none;
}

.consent-card {
  width: min(440px, 100%);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: rgba(9, 16, 30, 0.94);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.consent-hint {
  margin-top: 10px;
  color: #8fc5ff;
  font-size: 0.82rem;
}

.eyebrow {
  margin: 0 0 7px;
  color: #8fc5ff;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.65rem, 6vw, 3.4rem);
  line-height: 1.05;
}

.permission-panel p:last-child {
  max-width: 44rem;
  margin-top: 8px;
  color: #c7d8e9;
  line-height: 1.55;
}

.permission-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.permission-actions button {
  flex: 1 1 140px;
}

button {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 0 14px;
  color: #06101d;
  background: #a9dcff;
  cursor: pointer;
}

button + button {
  color: #eaf5ff;
  background: rgba(255, 255, 255, 0.08);
}

.hud,
.controls,
.layers,
.star-list {
  border: 1px solid rgba(203, 226, 255, 0.14);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(14, 29, 49, 0.72), rgba(8, 15, 27, 0.58));
  backdrop-filter: blur(14px) saturate(1.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.layers {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 12px;
}

.layers label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: #d3e2f1;
}

.layers input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #a9dcff;
}

.hud {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.readout {
  min-width: 0;
  padding: 12px;
  border-right: 1px solid rgba(203, 226, 255, 0.1);
}

.readout:last-child {
  border-right: 0;
}

.readout span,
.controls span,
.star-card span,
.star-list header span {
  display: block;
  color: #93a8bb;
  font-size: 0.74rem;
}

.readout strong {
  display: block;
  overflow-wrap: anywhere;
  margin-top: 4px;
  font-size: 0.98rem;
}

.readout-action button {
  width: 100%;
  min-height: 32px;
  margin-top: 6px;
  padding: 0 10px;
}

.controls {
  display: none;
  gap: 12px;
  padding: 12px;
}

.controls.visible {
  display: grid;
}

.controls label {
  display: grid;
  gap: 8px;
}

input[type="range"] {
  width: 100%;
  accent-color: #a9dcff;
}

.star-list {
  min-height: 116px;
  padding: 12px;
}

.star-list header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.star-list h2 {
  font-size: 1rem;
}

#visibleStars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.star-card {
  min-height: 76px;
  border: 1px solid rgba(203, 226, 255, 0.18);
  border-radius: 8px;
  padding: 10px;
  color: #edf6ff;
  text-align: left;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.035)),
    rgba(8, 17, 31, 0.55);
  backdrop-filter: blur(12px) saturate(1.2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 10px 22px rgba(0, 0, 0, 0.16);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.star-card:hover,
.star-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(169, 220, 255, 0.52);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.055)),
    rgba(10, 24, 42, 0.68);
  outline: none;
}

.star-card strong {
  display: block;
  margin-bottom: 5px;
  font-size: 0.98rem;
}

.star-card p {
  color: #cfdfed;
  font-size: 0.86rem;
  line-height: 1.35;
}

.star-detail {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 14px max(18px, env(safe-area-inset-bottom));
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.star-detail.visible {
  opacity: 1;
  pointer-events: auto;
}

.star-detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 7, 14, 0.68);
  backdrop-filter: blur(10px);
}

.star-detail-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(570px, 100%);
  max-height: min(920px, 94vh);
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--detail-line);
  border-radius: var(--detail-radius);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(120, 160, 220, 0.12), transparent),
    linear-gradient(165deg, var(--detail-surface), var(--detail-bg));
  color: var(--detail-text);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
  transform: scale(0.96) translateY(12px);
  transition: transform 240ms ease;
  font-family: var(--font-serif);
}

.detail-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 20px 12px;
  -webkit-overflow-scrolling: touch;
}

.star-detail.visible .star-detail-card {
  transform: scale(1) translateY(0);
}

.star-detail.is-closing {
  opacity: 0;
}

.star-detail.is-closing .star-detail-card {
  transform: scale(0.97) translateY(8px);
}

#detailStory {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(203, 226, 255, 0.14);
  color: #b8cfe4;
  line-height: 1.55;
  font-size: 0.9rem;
}

.detail-nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.detail-close {
  flex-shrink: 0;
  width: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 10px;
  color: var(--detail-text);
  background: rgba(255, 255, 255, 0.08);
}

.detail-eyebrow {
  margin: 0;
  color: var(--detail-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.star-detail h2 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 8vw, 2.8rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.detail-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.detail-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--detail-line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--detail-text);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
}

.detail-pill b {
  font-weight: 600;
}

.detail-preview {
  display: block;
  width: 100%;
  margin: 8px 0 18px;
  padding: 0;
  border: 1px solid rgba(168, 210, 255, 0.28);
  border-radius: var(--detail-radius);
  overflow: hidden;
  background: #152848;
  cursor: pointer;
}

.detail-preview svg {
  display: block;
  width: 100%;
  height: auto;
}

.detail-preview .preview-title {
  fill: #e8f2ff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.detail-preview .preview-coords {
  fill: #9eb8d8;
  font-size: 10px;
}

.detail-preview .preview-lines line {
  stroke: rgba(168, 210, 255, 0.82);
  stroke-width: 1.8;
  stroke-linecap: round;
}

.detail-preview .preview-dots circle.focus {
  filter: drop-shadow(0 0 6px rgba(255, 220, 160, 0.9));
}

.detail-preview .focus-halo {
  pointer-events: none;
}

.detail-preview-hint {
  display: block;
  padding: 8px 12px;
  color: var(--detail-muted);
  font-size: 0.75rem;
  text-align: center;
}

.detail-section-title {
  margin: 0 0 10px;
  color: var(--detail-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-data-grid,
.detail-coord-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.detail-data-card,
.detail-coord-card {
  padding: 12px;
  border: 1px solid var(--detail-line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.2);
}

.detail-data-card span,
.detail-coord-card span {
  display: block;
  color: var(--detail-muted);
  font-size: 0.72rem;
  margin-bottom: 4px;
}

.detail-data-card strong,
.detail-coord-card strong {
  font-size: 1rem;
  color: var(--detail-text);
}

.detail-description {
  margin: 0 0 8px;
  color: var(--detail-muted);
  line-height: 1.62;
  font-size: 0.9rem;
}

.detail-scroll .detail-story {
  margin-bottom: 4px;
}

.detail-actions {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px max(14px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--detail-line);
  background: rgba(16, 22, 38, 0.98);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
}

.learn-more {
  flex: 1;
  min-height: 44px;
  border-radius: 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #f5d998, var(--detail-accent));
  color: #1a1408;
  border: none;
  box-shadow: 0 4px 20px rgba(232, 184, 109, 0.25);
}

.learn-more:active {
  transform: scale(0.98);
}

/* ---- 神话传说全屏页 ---- */
.star-myths {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

.star-myths.visible {
  opacity: 1;
  pointer-events: auto;
}

.myths-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 16, 0.78);
  backdrop-filter: blur(14px);
}

.myths-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(640px, 100%);
  max-height: min(940px, 96vh);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(80, 120, 200, 0.18), transparent 55%),
    radial-gradient(circle at 85% 15%, rgba(232, 184, 109, 0.08), transparent 40%),
    linear-gradient(180deg, #1a2030 0%, #0f1218 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 32px 90px rgba(0, 0, 0, 0.55);
  transform: translateY(16px) scale(0.97);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font-serif);
}

.star-myths.visible .myths-card {
  transform: translateY(0) scale(1);
}

.myths-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.myths-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--detail-text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: inherit;
  font-size: 0.88rem;
}

.myths-badge {
  flex: 1;
  text-align: center;
  color: var(--detail-accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.myths-close {
  position: static;
}

.myths-hero {
  position: relative;
  padding: 8px 24px 20px;
  text-align: center;
}

.myths-star-orb {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.95), transparent 38%),
    radial-gradient(circle, var(--star-accent, #e8f1ff), rgba(0, 0, 0, 0.15) 70%);
  box-shadow:
    0 0 40px color-mix(in srgb, var(--star-accent, #e8f1ff) 50%, transparent),
    0 0 80px color-mix(in srgb, var(--star-accent, #e8f1ff) 20%, transparent);
}

.myths-hero h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.03em;
}

.myths-subtitle {
  margin: 10px auto 0;
  max-width: 28em;
  color: var(--detail-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.myths-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 18px 24px;
  -webkit-overflow-scrolling: touch;
}

.myth-card {
  margin-bottom: 14px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  animation: mythFadeIn 480ms ease both;
  animation-delay: var(--myth-delay, 0ms);
}

@keyframes mythFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.myth-card-head h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: #f8f6f0;
}

.myth-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.myth-region {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #1a1408;
  background: linear-gradient(135deg, #f0d090, var(--detail-accent));
}

.myth-era {
  font-size: 0.72rem;
  color: #8a9bb5;
  letter-spacing: 0.04em;
}

.myth-body {
  margin: 12px 0 0;
  color: #c8c4bc;
  font-size: 0.94rem;
  line-height: 1.78;
  text-align: justify;
  text-justify: inter-ideograph;
}

.detail-icon-button {
  width: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 10px;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--detail-text);
}

.star-closeup {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 14px max(18px, env(safe-area-inset-bottom));
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.star-closeup.visible {
  opacity: 1;
  pointer-events: auto;
}

.closeup-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 7, 14, 0.82);
  backdrop-filter: blur(12px);
}

.closeup-card {
  position: relative;
  width: min(420px, 100%);
  padding: 28px 24px 24px;
  border: 1px solid var(--detail-line);
  border-radius: var(--detail-radius);
  background: linear-gradient(160deg, #1a2740, var(--detail-bg));
  text-align: center;
  transform: scale(0.94);
  transition: transform 240ms ease;
}

.star-closeup.visible .closeup-card {
  transform: scale(1);
}

.closeup-star {
  width: min(220px, 70vw);
  height: min(220px, 70vw);
  margin: 0 auto 16px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.95), transparent 42%),
    radial-gradient(circle, var(--star-accent, #e8f1ff), rgba(0, 0, 0, 0.2) 72%);
  box-shadow:
    0 0 60px color-mix(in srgb, var(--star-accent, #e8f1ff) 55%, transparent),
    0 0 120px color-mix(in srgb, var(--star-accent, #e8f1ff) 25%, transparent);
}

.closeup-card h2 {
  margin: 8px 0;
  font-size: clamp(1.5rem, 6vw, 2.2rem);
}

.closeup-card p:last-child {
  color: var(--detail-muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.closeup-close {
  position: absolute;
  right: 12px;
  top: 10px;
}

@media (max-width: 680px) {
  .app-shell {
    grid-template-rows: minmax(58vh, 1fr) auto auto auto auto;
    padding-inline: 10px;
  }

  .consent-card {
    padding: 18px;
  }

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

  .readout {
    border-right: 0;
    border-bottom: 1px solid rgba(203, 226, 255, 0.1);
  }

  .readout:last-child {
    border-bottom: 0;
  }
}