/* ================================================================
   AIRBASE — Sky blue design system
   Fonts: Barlow Condensed (display) · Plus Jakarta Sans (body) · JetBrains Mono (code)
   ================================================================ */


:root {
  /* --- backgrounds --- */
  --bg-start:  #FEFEFE;
  --bg-end:    #EEF6FF;

  /* --- surfaces --- */
  --surface:   #FFFFFF;
  --surface-2: #F0F7FF;

  /* --- text scale --- */
  --text-1:    #0F172A;
  --text-2:    #334155;
  --text-3:    #64748B;
  --text-4:    #94A3B8;

  /* --- accent: sky blue --- */
  --accent:      #0EA5E9;
  --accent-dark: #0284C7;
  --accent-bg:   #EFF9FF;
  --accent-ring: rgba(14, 165, 233, 0.18);

  /* --- borders --- */
  --border:        #E2EEF9;
  --border-strong: #C7D9EE;

  /* --- semantic palette --- */
  --green:   #059669;
  --green-bg:#ECFDF5;
  --amber:   #B45309;
  --amber-bg:#FFFBEB;
  --red:     #DC2626;
  --red-bg:  #FEF2F2;
  --purple:  #7C3AED;
  --purple-bg:#F5F3FF;
  --teal:    #0891B2;
  --teal-bg: #ECFEFF;

  /* --- fonts --- */
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Cascadia Code', 'Fira Code', Consolas, 'Courier New', monospace;

  /* --- radii --- */
  --r-xs:   6px;
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   24px;
  --r-pill: 100px;

  /* --- layout --- */
  --max-w: 880px;
  --pad:   clamp(1.25rem, 5vw, 2.5rem);

  /* --- shadows: cool-tinted --- */
  --shadow-xs: 0 1px 2px rgba(14, 42, 96, 0.04);
  --shadow-sm: 0 2px 8px rgba(14, 42, 96, 0.05), 0 1px 2px rgba(14, 42, 96, 0.03);
  --shadow-md: 0 4px 16px rgba(14, 42, 96, 0.07), 0 2px 4px rgba(14, 42, 96, 0.04);
  --shadow-focus: 0 0 0 3px var(--accent-ring);

  /* --- motion --- */
  --ease:     cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0, 0, 0.3, 1);
  --t-fast:   120ms;
  --t-mid:    200ms;
  --t-slow:   300ms;
}

/* ================================================================
   BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: linear-gradient(160deg, var(--bg-start) 0%, var(--bg-end) 100%);
  background-attachment: fixed;
  color: var(--text-1);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Ambient background orbs */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  z-index: 0;
  pointer-events: none;
  animation: orb-float 24s ease-in-out infinite;
}
body::before {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #7DD3FC 0%, transparent 70%);
  top: -160px;
  right: -160px;
}
body::after {
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, #BAE6FD 0%, transparent 70%);
  bottom: -220px;
  left: -220px;
  animation-duration: 30s;
  animation-direction: reverse;
}
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(24px, -24px) scale(1.07); }
  66%       { transform: translate(-16px, 16px) scale(0.95); }
}

/* Page enter */
@keyframes enterUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.home,
.airport-page,
.country-page,
.error-page {
  animation: enterUp var(--t-slow) var(--ease-out) both;
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}
a:hover { color: var(--accent-dark); }
ul { list-style: none; }
button, input { font-family: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* ================================================================
   SITE CHROME
   ================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(254, 254, 254, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 1rem var(--pad);
}
.site-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  transition: color var(--t-fast) var(--ease);
}
.wordmark:hover { color: var(--accent-dark); }

.header-back {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color var(--t-fast) var(--ease);
}
.header-back:hover { color: var(--accent); }
.header-back svg { flex-shrink: 0; }

main { flex: 1; }

.site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.site-footer {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--border);
  padding: 1rem var(--pad);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-4);
}
.site-footer a {
  color: var(--text-3);
  border-bottom: 1px solid var(--border-strong);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.site-footer a:hover {
  color: var(--accent);
  border-color: rgba(14, 165, 233, 0.4);
}

/* ================================================================
   HOME PAGE
   ================================================================ */
.home {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5.5rem var(--pad) 5rem;
}

.home-title {
  text-align: center;
  margin-bottom: 3.25rem;
  animation: enterUp var(--t-slow) 0.04s var(--ease-out) both;
}
.home-title h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.25rem, 9vw, 6rem);
  color: var(--text-1);
  line-height: 1;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.home-title p {
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
  font-weight: 600;
}

/* Search: pill with sky-blue focus */
.search-block {
  max-width: 500px;
  margin: 0 auto 0.625rem;
  animation: enterUp var(--t-slow) 0.08s var(--ease-out) both;
  position: relative;
  z-index: 1;
}

.search-form {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  padding: 4px;
  transition:
    border-color var(--t-mid) var(--ease),
    box-shadow   var(--t-mid) var(--ease);
}
.search-form:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm), var(--shadow-focus);
}

.search-input {
  flex: 1;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-1);
  background: transparent;
  border: none;
  outline: none;
  min-width: 0;
  caret-color: var(--accent);
}
.search-input::placeholder {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-4);
  text-transform: none;
  font-style: italic;
}

.search-btn {
  flex-shrink: 0;
  padding: 0.65rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--r-pill) - 4px);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.search-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 2px 10px rgba(14, 165, 233, 0.4);
}
.search-btn:active { background: var(--accent-dark); }

.search-hint {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  color: transparent;
  height: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--t-mid) var(--ease);
  font-style: italic;
}
.search-hint.iata    { color: var(--accent); }
.search-hint.icao    { color: var(--amber); }
.search-hint.country { color: var(--green); }

/* Autocomplete dropdown */
.search-autocomplete {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  z-index: 50;
  max-height: 400px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.125rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast) var(--ease);
  text-decoration: none;
  color: inherit;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover,
.autocomplete-item[aria-selected="true"] { background: var(--accent-bg); }
.autocomplete-item-info { flex: 1; min-width: 0; }
.autocomplete-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.autocomplete-sub {
  font-size: 0.75rem;
  color: var(--text-4);
  margin-top: 0.125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.autocomplete-codes {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}
.autocomplete-code {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: var(--r-xs);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text-3);
  letter-spacing: 0.08em;
}
.autocomplete-code--iata { color: var(--accent); }

/* Divider */
.home-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
  animation: enterUp var(--t-slow) 0.12s var(--ease-out) both;
}

/* Examples: cards */
.examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  animation: enterUp var(--t-slow) 0.16s var(--ease-out) both;
}

.examples-col {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.375rem 1.375rem 1rem;
  box-shadow: var(--shadow-sm);
}

.examples-col h3 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 0.875rem;
}

.example-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--r-sm);
  margin: 2px -0.5rem;
  text-decoration: none;
  color: inherit;
  transition: background var(--t-fast) var(--ease);
}
.example-row:hover {
  background: var(--accent-bg);
}

.example-code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 3.25rem;
  letter-spacing: 0.08em;
  transition: color var(--t-fast) var(--ease);
}
.example-row:hover .example-code { color: var(--accent-dark); }

.example-name {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1;
  transition: color var(--t-fast) var(--ease);
}
.example-row:hover .example-name { color: var(--text-2); }

/* Stats */
.home-stats {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-4);
  animation: enterUp var(--t-slow) 0.2s var(--ease-out) both;
}
.home-stats strong {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent);
}

/* ================================================================
   AIRPORT DETAIL PAGE
   ================================================================ */
.airport-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.75rem var(--pad) 5rem;
}

.airport-hero {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}
.airport-hero-left { min-width: 0; }

.airport-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text-1);
  margin-bottom: 0.375rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Code chips */
.airport-codes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.125rem;
}
.airport-code-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.375rem 0.875rem;
  background: var(--surface-2);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-xs);
  font-family: var(--font-mono);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.airport-code-chip:hover { background: var(--accent-bg); border-color: rgba(14, 165, 233, 0.35); }
.airport-code-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
}
.airport-code-sep {
  font-size: 0.625rem;
  color: var(--border-strong);
}
.airport-code-value {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-2);
}

/* Map */
.airport-map-section { overflow: hidden; }
.airport-map {
  height: 340px;
  width: 100%;
}
.airport-location {
  font-size: 0.875rem;
  color: var(--text-3);
  letter-spacing: 0.01em;
  line-height: 1.5;
}
.airport-location a {
  color: var(--text-3);
  border-bottom: 1px solid var(--border-strong);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.airport-location a:hover {
  color: var(--accent);
  border-color: rgba(14, 165, 233, 0.4);
}

.airport-hero-right {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  align-items: flex-end;
  padding-top: 0.5rem;
}

/* Tooltips */
[data-tooltip] {
  position: relative;
  cursor: default;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-1);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-body);
  font-style: normal;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
  width: max-content;
  max-width: 240px;
  white-space: normal;
  text-align: center;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast) var(--ease);
  z-index: 200;
  box-shadow: var(--shadow-md);
}
[data-tooltip]:hover::after {
  opacity: 1;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
  border: 1px solid transparent;
}
.type-large    { background: var(--accent-bg);  color: var(--accent);  border-color: rgba(14, 165, 233, 0.2);  }
.type-medium   { background: var(--green-bg);   color: var(--green);   border-color: rgba(5, 150, 105, 0.2);   }
.type-small    { background: var(--amber-bg);   color: var(--amber);   border-color: rgba(180, 83, 9, 0.2);    }
.type-heliport { background: var(--purple-bg);  color: var(--purple);  border-color: rgba(124, 58, 237, 0.2);  }
.type-seaplane { background: var(--teal-bg);    color: var(--teal);    border-color: rgba(8, 145, 178, 0.2);   }
.type-closed   { background: var(--red-bg);     color: var(--red);     border-color: rgba(220, 38, 38, 0.2);   }
.type-other    { background: var(--surface-2);  color: var(--text-3);  border-color: var(--border);             }
.badge-sched   { background: var(--green-bg);   color: var(--green);   border-color: rgba(5, 150, 105, 0.2);   }

/* Data sections */
.data-section {
  margin-bottom: 1.25rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-4);
  padding: 0.875rem 1.125rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.data-section-label::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.7;
}

/* Data fields */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
}
.data-field {
  padding: 1rem 1.125rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast) var(--ease);
}
.data-field:hover { background: var(--accent-bg); }

.data-field-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 0.35rem;
  line-height: 1;
}
.data-field-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.data-field-value.wide {
  font-family: var(--font-body);
  letter-spacing: 0;
  line-height: 1.4;
}
.data-field-value.coord { color: var(--text-2); font-size: 0.8125rem; line-height: 1.9; letter-spacing: 0.01em; }
.data-field:has(.data-field-value.coord) { grid-column: span 2; }
.coord-dir {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-right: 0.4em;
  vertical-align: text-top;
}
.data-field-value.tz   { color: var(--amber); }
.data-field-value.elev { color: var(--green); }

/* External links */
.airport-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1rem 1.125rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}
.airport-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-md);
  background: var(--surface-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--t-fast) var(--ease),
    color        var(--t-fast) var(--ease),
    background   var(--t-fast) var(--ease),
    transform    var(--t-fast) var(--ease);
}
.airport-link svg { opacity: 0.55; transition: opacity var(--t-fast) var(--ease); }
.airport-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-bg);
  transform: translateY(-1px);
}
.airport-link:hover svg { opacity: 1; }

/* Keywords */
.keywords-section {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1rem 1.125rem;
  box-shadow: var(--shadow-sm);
}
.keywords-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 0.75rem;
}
.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.keyword-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  padding: 0.225rem 0.625rem;
  border-radius: var(--r-xs);
  letter-spacing: 0.04em;
  transition:
    border-color var(--t-fast) var(--ease),
    color        var(--t-fast) var(--ease),
    background   var(--t-fast) var(--ease);
}
.keyword-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-bg);
}

/* ================================================================
   COUNTRY PAGE
   ================================================================ */
.country-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.75rem var(--pad) 5rem;
}

.country-header {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.375rem;
  align-items: center;
}
.country-flag {
  font-size: 2.75rem;
  line-height: 1;
  width: 3.25rem;
  text-align: center;
}
.country-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  color: var(--text-1);
  line-height: 1;
  letter-spacing: 0.03em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.country-meta {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-4);
  font-weight: 600;
}
.country-count-block { text-align: right; }
.country-count {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.01em;
}
.country-count-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-top: 0.25rem;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.filter-tab {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.0625rem;
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  text-decoration: none;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition:
    background     var(--t-fast) var(--ease),
    border-color   var(--t-fast) var(--ease),
    color          var(--t-fast) var(--ease),
    box-shadow     var(--t-fast) var(--ease);
}
.filter-tab:hover:not(.active) {
  background: var(--accent-bg);
  border-color: rgba(14, 165, 233, 0.3);
  color: var(--accent);
}
.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px rgba(14, 165, 233, 0.3);
}

/* Table toolbar */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.875rem;
  flex-wrap: wrap;
}
.table-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}
.sched-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-3);
  box-shadow: var(--shadow-xs);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  font-family: var(--font-body);
}
.sched-toggle::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background var(--t-fast) var(--ease);
  flex-shrink: 0;
}
.sched-toggle:hover {
  background: var(--accent-bg);
  border-color: rgba(14, 165, 233, 0.35);
  color: var(--accent);
}
.sched-toggle:hover::before { background: var(--accent); }
.sched-toggle.active {
  background: var(--green-bg);
  border-color: rgba(5, 150, 105, 0.35);
  color: var(--green);
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.15);
}
.sched-toggle.active::before { background: var(--green); }
.table-search {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  color: var(--text-1);
  width: 256px;
  max-width: 100%;
  outline: none;
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--t-fast) var(--ease),
    box-shadow   var(--t-fast) var(--ease);
}
.table-search::placeholder { color: var(--text-4); font-style: italic; }
.table-search:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-xs), var(--shadow-focus);
}
.table-count {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-4);
  white-space: nowrap;
}
.table-count span { color: var(--text-3); font-weight: 700; }

.load-more-btn {
  display: block;
  margin: 1rem auto 0;
  padding: 0.5rem 1.75rem;
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-3);
  box-shadow: var(--shadow-xs);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  font-family: var(--font-body);
}
.load-more-btn:hover {
  background: var(--accent-bg);
  border-color: rgba(14, 165, 233, 0.35);
  color: var(--accent);
}

/* FIDS table */
.table-wrap {
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}
.fids-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.fids-table thead {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.fids-table th {
  text-align: left;
  padding: 0.75rem 1.125rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-4);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}
.fids-table th:hover { color: var(--accent); }
.fids-table th.sort-asc::after  { content: ' ↑'; color: var(--accent); }
.fids-table th.sort-desc::after { content: ' ↓'; color: var(--accent); }

.fids-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast) var(--ease);
}
.fids-table tbody tr:last-child { border-bottom: none; }
.fids-table tbody tr:hover { background: var(--accent-bg); }
.fids-table td { padding: 0.6875rem 1.125rem; vertical-align: middle; }

.td-iata {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.td-iata a { color: inherit; transition: color var(--t-fast) var(--ease); }
.td-iata a:hover { color: var(--accent-dark); }
.td-iata .no-code {
  color: var(--text-4);
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 0.8125rem;
}
.td-icao {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.td-icao a { color: var(--text-3); transition: color var(--t-fast) var(--ease); }
.td-icao a:hover { color: var(--amber); }
.td-name { color: var(--text-2); line-height: 1.35; font-size: 0.875rem; }

.table-empty {
  padding: 4rem 1rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-4);
}

/* ================================================================
   ERROR PAGE
   ================================================================ */
.error-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 7rem var(--pad) 5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
.error-code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(7rem, 22vw, 13rem);
  color: var(--border);
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.error-message {
  font-size: 1rem;
  color: var(--text-3);
  max-width: 400px;
  line-height: 1.65;
}
.error-actions {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--r-md);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid;
  cursor: pointer;
  transition:
    background    var(--t-fast) var(--ease),
    border-color  var(--t-fast) var(--ease),
    color         var(--t-fast) var(--ease),
    box-shadow    var(--t-fast) var(--ease),
    transform     var(--t-fast) var(--ease);
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text-3);
}
.btn-secondary:hover {
  border-color: rgba(14, 165, 233, 0.35);
  color: var(--accent);
  background: var(--accent-bg);
  transform: translateY(-1px);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .examples { grid-template-columns: 1fr; gap: 1rem; }

  .airport-hero {
    grid-template-columns: 1fr;
    padding: 1.375rem;
  }
  .airport-hero-right {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    order: -1;
    padding-top: 0;
  }

  .country-header {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    padding: 1.375rem;
  }
  .country-count-block {
    grid-column: 1 / -1;
    text-align: left;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    margin-top: 0.25rem;
  }

  .data-grid { grid-template-columns: 1fr 1fr; }
  .table-toolbar { flex-direction: column; align-items: flex-start; }
  .table-search { width: 100%; }

  body::before, body::after { display: none; }
}

@media (max-width: 400px) {
  .data-field:has(.data-field-value.coord) { grid-column: span 1; }
  .data-grid { grid-template-columns: 1fr; }
  .airport-primary-code { font-size: 3.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}