:root {
  --bg: #0b0e1b;
  --bg-soft: #121733;
  --accent: #f6c177;
  --accent-2: #7dd3fc;
  --text: #f8f7ff;
  --muted: #b2b6d6;
  --card: #171c38;
  --card-glow: rgba(125, 211, 252, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 22px 55px rgba(2, 5, 21, 0.6);
}

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

body {
  font-family: "Cormorant Garamond", "Palatino Linotype", "Times New Roman", serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1f244d 0%, #0b0e1b 60%, #05070f 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-stars {
  position: fixed;
  inset: 0;
  background: radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
              radial-gradient(1.5px 1.5px at 70% 10%, rgba(255,255,255,0.6), transparent),
              radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,0.7), transparent),
              radial-gradient(1px 1px at 80% 60%, rgba(255,255,255,0.5), transparent),
              radial-gradient(1px 1px at 45% 40%, rgba(255,255,255,0.8), transparent);
  background-size: 300px 300px;
  animation: starScroll 60s linear infinite;
  pointer-events: none;
  opacity: 0.35;
  z-index: 0;
}

@keyframes starScroll {
  from { transform: translateY(0); }
  to { transform: translateY(-300px); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 28px 8vw 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  background: rgba(11, 14, 27, 0.7);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(246, 193, 119, 0.9), rgba(125, 211, 252, 0.8));
  color: #1a1d2f;
  font-size: 22px;
  font-weight: 700;
}

.brand-title {
  font-size: 22px;
  font-weight: 600;
}

.brand-sub {
  color: var(--muted);
  font-size: 14px;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a:hover {
  color: var(--accent);
}

.nav-btn {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(246, 193, 119, 0.4);
  color: var(--accent);
}

.nav-btn:hover {
  color: #1b1f33;
  background: var(--accent);
}

main {
  position: relative;
  z-index: 1;
  padding: 30px 8vw 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) minmax(240px, 1fr);
  gap: 32px;
  align-items: start;
  padding: 30px 0 24px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 24px 0 18px;
}

.btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #1b1f33;
  border: none;
}

.btn.ghost {
  border-color: rgba(246, 193, 119, 0.4);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(246, 193, 119, 0.2);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags span {
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(125, 211, 252, 0.2);
  color: var(--accent-2);
}

.hero-panel {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-panel h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.hero-panel ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  background: rgba(18, 23, 51, 0.65);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 18px;
  margin: 20px 0 26px;
}

.entry {
  margin: 28px 0 34px;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(15, 20, 44, 0.75);
  box-shadow: var(--shadow);
}

.entry-mini {
  margin-top: 0;
  padding: 18px;
}

.entry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.entry-head h2 {
  font-size: 26px;
}

.entry-head p {
  color: var(--muted);
  font-size: 14px;
}

.entry-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px 18px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
}

.form-grid textarea {
  resize: vertical;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.hint {
  color: var(--accent-2);
  font-size: 12px;
}

.entry-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.entry-actions select {
  color-scheme: light;
  color: #111827;
  background: #f8f7ff;
  border: 1px solid var(--border);
}

.entry-actions select option {
  color: #111827;
  background: #f8f7ff;
}

.hidden {
  display: none;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.btn.small {
  padding: 6px 12px;
  font-size: 12px;
}

.btn.danger {
  background: #fb7185;
  color: #1b1f33;
  border: none;
}


.auth-gate {
  margin: 20px 8vw 0;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(18, 23, 51, 0.75);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.auth-gate p {
  color: var(--muted);
  font-size: 14px;
}

.auth-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.auth-form input {
  flex: 1 1 220px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
}

.auth-error {
  color: #fb7185;
  font-size: 13px;
  min-height: 18px;
}

.data-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(18, 23, 51, 0.65);
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.data-bar .btn {
  margin-left: auto;
}

.empty-state {
  padding: 24px;
  border-radius: 18px;
  border: 1px dashed rgba(125, 211, 252, 0.4);
  color: var(--muted);
  text-align: center;
}

.filter-group {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.filter-group input,
.filter-group select {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
}

.filter-group span {
  font-size: 12px;
  color: var(--accent-2);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  font-size: 26px;
  margin-top: 8px;
  font-weight: 600;
}

.gallery {
  margin-top: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(5, 8, 20, 0.7);
}

.card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  cursor: pointer;
}

.card-link {
  color: inherit;
  text-decoration: none;
  display: block;
}

.card-link:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.card-body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
}

.card-sub {
  color: var(--muted);
  font-size: 13px;
}

.card-meta {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.card-meta span {
  color: var(--text);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tags span {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(246, 193, 119, 0.3);
  color: var(--accent);
}

.about {
  margin-top: 60px;
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) minmax(220px, 1fr);
  gap: 24px;
}

.about p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 16px;
}

.about-panel {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: 16px;
}

.about-panel ul {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.about-panel strong {
  color: var(--accent);
}

.intro-section {
  margin-top: 40px;
  display: grid;
  gap: 18px;
}

.intro-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}


.intro-search {
  margin-top: 10px;
}

.intro-search input {
  width: min(360px, 100%);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
}

.intro-head p {
  color: var(--muted);
  font-size: 14px;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.intro-card {
  display: grid;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.intro-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(5, 8, 20, 0.7);
}

.intro-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.intro-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.intro-media {
  height: 160px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-size: cover;
  background-position: center;
}

.intro-m42 {
  background-image: radial-gradient(circle at top, rgba(255, 180, 120, 0.9), rgba(34, 56, 110, 0.6)), radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.5), transparent);
}

.intro-m31 {
  background-image: radial-gradient(circle at 30% 40%, rgba(200, 230, 255, 0.8), rgba(30, 40, 80, 0.7)), radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.4), transparent);
}

.intro-core {
  background-image: linear-gradient(135deg, rgba(249, 199, 132, 0.8), rgba(27, 39, 70, 0.9)), radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.3), transparent);
}

.intro-m45 {
  background-image: radial-gradient(circle at 35% 35%, rgba(160, 210, 255, 0.9), rgba(20, 40, 70, 0.8)), radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.4), transparent);
}

.intro-jupiter {
  background-image: linear-gradient(120deg, rgba(255, 196, 120, 0.8), rgba(90, 60, 40, 0.9)), radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.25), transparent);
}

.intro-lyrids {
  background-image: linear-gradient(130deg, rgba(120, 180, 255, 0.8), rgba(20, 30, 60, 0.9)), radial-gradient(circle at 25% 75%, rgba(255, 255, 255, 0.3), transparent);
}

.detail {
  margin-top: 24px;
  display: grid;
  gap: 24px;
}

.detail-head h1 {
  font-size: clamp(30px, 4vw, 46px);
}

.detail-meta {
  color: var(--muted);
  margin-top: 8px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.photo-grid img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.detail-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.detail-card h3 {
  margin-bottom: 10px;
}

.detail-card ul {
  list-style: none;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.detail-card span {
  color: var(--text);
}

.detail-notes {
  color: var(--muted);
  line-height: 1.6;
}

.detail-records {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 20, 0.75);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 5;
}

.modal.open {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  max-width: 860px;
  width: min(90vw, 860px);
  padding: 18px;
  position: relative;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}

.modal-content img {
  width: 100%;
  border-radius: 12px;
  max-height: 420px;
  object-fit: cover;
}

.modal-meta {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 8px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 28px;
  color: var(--text);
  cursor: pointer;
}

.site-footer {
  padding: 18px 8vw 30px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav a {
    font-size: 12px;
    letter-spacing: 0.04em;
  }

  .nav-btn {
    padding: 6px 12px;
  }

  .hero,
  .about {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 18px 6vw 10px;
  }

  main {
    padding: 20px 6vw 60px;
  }

  .hero-actions {
    flex-direction: column;
  }
}