/* rDNS Observatory — Warm Editorial Observatory
   Typography: Cormorant Garamond + DM Sans + DM Mono
   Palette: warm off-white + hunter green accent */

/* ─── Custom Properties ──────────────────────────────────────────── */

:root {
  /* Backgrounds */
  --color-bg:           #F5F0E8;
  --color-bg-card:      #FDFAF5;
  --color-bg-subtle:    #EDE8DF;

  /* Text */
  --color-text-primary:   #1C1917;
  --color-text-secondary: #6B6560;
  --color-text-muted:     #9C9490;

  /* Accent — hunter green */
  --color-accent:         #2C4A2E;
  --color-accent-light:   #3A5E3C;
  --color-accent-subtle:  #EAF0EA;

  /* Map gradient */
  --color-map-zero:       #EDE8DF;
  --color-map-full:       #2C4A2E;
  --color-map-mid:        #6B8F6D;

  /* Chart colors */
  --color-chart-1:        #2C4A2E;
  --color-chart-2:        #6B8F6D;
  --color-chart-3:        #A8C4A9;
  --color-chart-4:        #D4E4D5;

  /* Borders */
  --color-border:         #DDD8CE;
  --color-border-strong:  #C8C2B7;

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06),
                 0 4px 12px rgba(28, 25, 23, 0.04);
  --shadow-card-hover: 0 2px 8px rgba(28, 25, 23, 0.10),
                       0 8px 24px rgba(28, 25, 23, 0.07);

  /* Fonts */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  4rem;
  --text-6xl:  5.5rem;
}

/* ─── Global Reset + Base ────────────────────────────────────────── */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .content-wrapper {
    padding: 0 48px;
  }
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .nav-inner {
    padding: 0 48px;
  }
}

.nav-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

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

.nav-search {
  position: relative;
}

.nav-search input {
  width: 220px;
  padding: 8px 16px 8px 36px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-bg-card);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

@media (min-width: 768px) {
  .nav-search input {
    width: 280px;
  }
}

.nav-search input::placeholder {
  color: var(--color-text-muted);
}

.nav-search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44, 74, 46, 0.1);
}

.nav-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  pointer-events: none;
}

/* ─── Main Content ───────────────────────────────────────────────── */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 56px; /* nav height */
}

@media (min-width: 768px) {
  main {
    padding-left: 48px;
    padding-right: 48px;
  }
}

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

.hero {
  text-align: center;
  padding: 100px 0 60px;
}

@media (min-width: 768px) {
  .hero {
    padding: 120px 0 80px;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, var(--text-5xl));
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.hero-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto 16px;
}

.hero-search input {
  width: 100%;
  height: 52px;
  padding: 0 24px 0 48px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-bg-card);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.hero-search input::placeholder {
  color: var(--color-text-muted);
}

.hero-search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44, 74, 46, 0.12);
}

.hero-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  pointer-events: none;
}

.hero-freshness {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* ─── Search Results Dropdown ────────────────────────────────────── */

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-card-hover);
  max-height: 320px;
  overflow-y: auto;
  z-index: 300;
  display: none;
}

.search-results.open {
  display: block;
}

.search-result-item {
  padding: 10px 20px;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover,
.search-result-item.active {
  background: var(--color-bg-subtle);
}

.search-result-item .result-ptr {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
}

/* ─── Global Stat Bar ────────────────────────────────────────────── */

.stat-bar {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 0 64px;
  gap: 0;
}

.stat-bar-item {
  flex: 1;
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.stat-bar-item + .stat-bar-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--color-border);
}

.stat-bar-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-bar-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 400;
}

@media (max-width: 480px) {
  .stat-bar {
    flex-direction: column;
    gap: 32px;
    padding: 32px 0 48px;
  }

  .stat-bar-item + .stat-bar-item::before {
    display: none;
  }

  .stat-bar-item {
    padding: 0;
  }
}

/* ─── Cards ──────────────────────────────────────────────────────── */

.card {
  background: var(--color-bg-card);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 32px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
}

/* ─── Section Headings ───────────────────────────────────────────── */

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 32px;
  padding-top: 80px;
}

@media (max-width: 768px) {
  .section-heading {
    padding-top: 48px;
    font-size: var(--text-2xl);
    margin-bottom: 24px;
  }
}

/* ─── Map ────────────────────────────────────────────────────────── */

.map-container {
  position: relative;
  width: 100%;
  margin-bottom: 8px;
}

.map-container svg {
  width: 100%;
  height: auto;
  display: block;
}

.map-container path.country {
  stroke: var(--color-bg);
  stroke-width: 0.5;
  cursor: pointer;
  transition: fill 0.15s, opacity 0.15s;
}

.map-container path.country:hover {
  opacity: 0.8;
}

.map-tooltip {
  position: absolute;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  border-radius: 8px;
  padding: 12px 16px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s;
  white-space: nowrap;
  z-index: 50;
}

.map-tooltip .tooltip-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  font-weight: 500;
  line-height: 1.2;
}

.map-tooltip .tooltip-ptr {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  font-weight: 600;
  line-height: 1.3;
}

.map-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0 0;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.legend-gradient {
  flex: 0 0 200px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--color-map-zero), var(--color-map-mid), var(--color-map-full));
}

@media (max-width: 480px) {
  .map-container {
    min-height: 300px;
  }
}

/* ─── Global Breakdown Section ───────────────────────────────────── */

.breakdown-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .breakdown-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.breakdown-sub-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.top-country-link {
  color: var(--color-accent);
  text-decoration: none;
  transition: text-decoration 0.15s;
}

.top-country-link:hover {
  text-decoration: underline;
}

/* ─── Continent Table ────────────────────────────────────────────── */

.continent-table {
  width: 100%;
  border-collapse: collapse;
}

.continent-table th {
  text-align: left;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

.continent-table td {
  padding: 10px 12px;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
}

.continent-table .num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.continent-table .ptr-col {
  color: var(--color-accent);
  font-weight: 500;
}



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

.country-hero {
  text-align: center;
  padding: 100px 0 40px;
}

@media (min-width: 768px) {
  .country-hero {
    padding: 120px 0 48px;
  }
}

.country-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, var(--text-5xl));
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.country-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.country-scan-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── Country Stat Row ───────────────────────────────────────────── */

.country-stats {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 0 48px;
  gap: 0;
}

.country-stat {
  flex: 1;
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.country-stat + .country-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--color-border);
}

.country-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, var(--text-4xl));
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.country-stat.primary .country-stat-number {
  font-size: clamp(3rem, 7vw, var(--text-6xl));
  color: var(--color-accent);
}

.country-stat-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.country-stat-rank {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 6px;
}

@media (max-width: 480px) {
  .country-stats {
    flex-direction: column;
    gap: 28px;
  }

  .country-stat + .country-stat::before {
    display: none;
  }

  .country-stat {
    padding: 0;
  }
}

/* ─── Four-Bucket Grid ───────────────────────────────────────────── */

.bucket-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto 48px;
}

@media (max-width: 480px) {
  .bucket-grid {
    grid-template-columns: 1fr;
  }
}

.bucket-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 24px;
  text-align: center;
}

.bucket-card.accent {
  border-left: 4px solid var(--color-accent);
}

.bucket-card-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.bucket-card-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.bucket-card-pct {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ─── Block Table ────────────────────────────────────────────────── */

.blocks-section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.blocks-search-wrapper {
  margin-bottom: 16px;
}

.blocks-search-wrapper input {
  width: 100%;
  max-width: 400px;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-bg-card);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blocks-search-wrapper input::placeholder {
  color: var(--color-text-muted);
}

.blocks-search-wrapper input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44, 74, 46, 0.1);
}

.blocks-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.blocks-table {
  width: 100%;
  border-collapse: collapse;
}

.blocks-table th {
  text-align: left;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
  white-space: nowrap;
}

.blocks-table th:hover {
  color: var(--color-text-secondary);
}

.blocks-table th.sort-active {
  color: var(--color-accent);
}

.blocks-table th .sort-arrow {
  display: inline-block;
  margin-left: 4px;
  font-size: 10px;
  opacity: 0;
  transition: opacity 0.15s;
}

.blocks-table th.sort-active .sort-arrow {
  opacity: 1;
}

.blocks-table td {
  padding: 8px 12px;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
}

.blocks-table tbody tr {
  transition: background 0.15s;
}

.blocks-table tbody tr:hover {
  background: var(--color-bg-subtle);
}

.blocks-table .cidr-col {
  font-family: var(--font-mono);
}

.blocks-table .addr-col {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--color-text-secondary);
}

.blocks-table .ptr-yes {
  color: var(--color-accent);
  font-weight: 500;
}

.blocks-table .ptr-no {
  color: var(--color-text-muted);
}

.blocks-table .routed-yes {
  color: var(--color-text-secondary);
}

.blocks-table .routed-no {
  color: var(--color-text-muted);
}

.blocks-table th.num-col,
.blocks-table td.addr-col {
  text-align: right;
}

@media (max-width: 480px) {
  .blocks-table .addr-col,
  .blocks-table .addr-header {
    display: none;
  }
}

/* ─── Pagination ─────────────────────────────────────────────────── */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.pagination button {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-bg-card);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  transition: all 0.15s;
}

.pagination button:hover:not(:disabled) {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
}

.pagination button:disabled {
  opacity: 0.35;
  cursor: default;
}

.pagination .page-info {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* ─── Back Link ──────────────────────────────────────────────────── */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding-top: 80px;
  margin-bottom: 0;
}

.back-link:hover {
  color: var(--color-accent-light);
}

/* ─── Animations ─────────────────────────────────────────────────── */

.fade-in {
  animation: fadeIn 400ms ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}



/* ─── Loading ────────────────────────────────────────────────────── */

.loading {
  text-align: center;
  padding: 120px 24px;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ─── Error ──────────────────────────────────────────────────────── */

.error-page {
  text-align: center;
  padding: 120px 24px;
}

.error-page a {
  color: var(--color-accent);
}

/* ─── Section Divider ────────────────────────────────────────────── */

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 48px 0;
}

@media (max-width: 768px) {
  .section-divider {
    margin: 32px 0;
  }
}