:root {
  color-scheme: light dark;
  --bg: #0f1117;
  --card: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f5f7fa;
  --muted: rgba(245, 247, 250, 0.7);
  --accent: #7dd3fc;
  --accent-strong: #0ea5e9;
  --ipv4: #f97316;
  --ipv6: #22c55e;
  font-size: 16px;
}

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

body {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #1f2937, #0f172a 50%, #020617);
  color: var(--text);
  min-height: 100vh;
  padding: clamp(1.5rem, 3vw, 3rem);
}

.page-shell {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
  border-radius: 24px;
  padding: clamp(1.5rem, 4vw, 2.75rem);
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.1rem);
  letter-spacing: -0.02em;
}

.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.hero .lede {
  margin-top: 0.75rem;
  max-width: 550px;
  color: var(--muted);
  line-height: 1.6;
}

.hero .tagline {
  align-self: flex-end;
  font-size: 0.95rem;
  color: var(--muted);
}

.table-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: clamp(1rem, 3vw, 2rem);
  backdrop-filter: blur(12px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.notes-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(125, 211, 252, 0.15);
  border-radius: 24px;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  line-height: 1.7;
}

.notes-card__header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.notes-card__header h2 {
  font-size: 1.25rem;
}

.notes-card__hint {
  color: var(--muted);
  font-size: 0.95rem;
}

.notes-card__body ul {
  margin-top: 0.5rem;
  padding-left: 1.2rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.notes-card__body strong {
  color: var(--text);
}

.visual-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.9), rgba(8, 145, 178, 0.15));
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
}

.visual-card__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}

.visual-card__lede {
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.7;
}

.visual-card__controls {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.visual-card__control-buttons {
  display: inline-flex;
  gap: 0.5rem;
}

.photo-size__button {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.photo-size__button:hover {
  border-color: var(--accent);
}

.photo-size__button.is-active {
  background: rgba(125, 211, 252, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.visual-card__media {
  display: flex;
  justify-content: center;
}

.visual-card__figure {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  max-width: 100%;
  transition: max-width 0.3s ease, max-height 0.3s ease;
}

.visual-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 420px;
}

.visual-card__figure figcaption {
  font-size: 0.85rem;
  padding: 0.6rem 0.9rem;
  color: var(--muted);
  background: rgba(2, 6, 23, 0.65);
}

.visual-card[data-photo-size="compact"] .visual-card__figure {
  max-width: 280px;
}

.visual-card[data-photo-size="compact"] .visual-card__figure img {
  max-height: 240px;
}

.visual-card[data-photo-size="standard"] .visual-card__figure {
  max-width: 420px;
}

.visual-card[data-photo-size="standard"] .visual-card__figure img {
  max-height: 320px;
}

.visual-card[data-photo-size="full"] .visual-card__figure {
  max-width: 100%;
}

.visual-card[data-photo-size="full"] .visual-card__figure img {
  max-height: 520px;
}

.table-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.table-card__header h2 {
  font-size: 1.3rem;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--card-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

thead {
  background: rgba(255, 255, 255, 0.04);
}

thead th {
  text-align: left;
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 200ms ease, transform 200ms ease;
}

tbody tr:hover {
  background: rgba(125, 211, 252, 0.08);
  transform: translateX(4px);
}

td {
  padding: 1rem 1.25rem;
  vertical-align: top;
  line-height: 1.5;
}

td:first-child a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}

td:first-child a:hover {
  color: var(--accent-strong);
}

.ip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.08);
}

.pill--ipv4 {
  color: var(--ipv4);
}

.pill--ipv6 {
  color: var(--ipv6);
}

.remarks {
  color: var(--muted);
}

.footnote {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.noscript {
  text-align: center;
  margin-top: 1rem;
  color: #ef4444;
}

@media (max-width: 640px) {
  body {
    padding: 1.5rem 1rem;
  }

  .hero {
    flex-direction: column;
  }

  table {
    min-width: 100%;
  }
}