:root {
  --ink: #122238;
  --ink-muted: #4c6382;
  --panel: rgba(255, 255, 255, 0.34);
  --panel-border: rgba(255, 255, 255, 0.6);
  --panel-shadow: 0 24px 64px rgba(13, 38, 66, 0.2);
  --accent: #0d889b;
  --accent-soft: #6ec8cf;
  --route: #0d889b;
  --route-dim: rgba(13, 136, 155, 0.22);
  --aura-a: #b8e8f5;
  --aura-b: #ffd8a8;
  --aura-c: #d5f2d0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Outfit, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(130deg, #ecf7ff 0%, #f7f1e8 45%, #edf9f0 100%);
}

.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 14% 18%, var(--aura-a), transparent 38%),
    radial-gradient(circle at 82% 78%, var(--aura-b), transparent 35%),
    radial-gradient(circle at 64% 20%, var(--aura-c), transparent 32%);
  filter: blur(14px) saturate(115%);
  animation: drift 10s ease-in-out infinite alternate;
}

.shell {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100vh;
}

.leaflet-control-attribution {
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.78);
  border-top-left-radius: 10px;
  padding: 4px 8px;
}

.leaflet-control-attribution .attr-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.leaflet-control-attribution .flag {
  width: 14px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
  box-shadow: inset 0 0 0 1px rgba(18, 34, 56, 0.12);
}

.leaflet-control-attribution .flag-img {
  object-fit: cover;
  vertical-align: middle;
}

.leaflet-control-attribution .flag-ua {
  background: linear-gradient(to bottom, #0057b7 0 50%, #ffd700 50% 100%);
}

.control-card,
.map-card {
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.control-card {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
  width: min(360px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

h1 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 2.3vw, 2.2rem);
  letter-spacing: 0.01em;
}

.subtitle {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.45;
}

.filter-grid {
  display: grid;
  gap: 8px;
  margin-top: 6px;
}

.filter-grid label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-muted);
}

select {
  appearance: none;
  width: 100%;
  border: 1px solid rgba(18, 34, 56, 0.12);
  background: rgba(255, 255, 255, 0.73);
  color: var(--ink);
  border-radius: 14px;
  padding: 11px 12px;
  font-family: inherit;
  font-size: 0.96rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select:focus {
  border-color: rgba(13, 136, 155, 0.55);
  box-shadow: 0 0 0 4px rgba(13, 136, 155, 0.15);
}

.reset-btn {
  margin-top: 4px;
  border: 1px solid rgba(13, 136, 155, 0.34);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.84), rgba(206, 244, 248, 0.7));
  color: var(--ink);
  border-radius: 14px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.reset-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(13, 136, 155, 0.55);
  box-shadow: 0 8px 20px rgba(13, 136, 155, 0.18);
}

.reset-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(13, 136, 155, 0.2);
}

.legend {
  margin-top: 8px;
  display: grid;
  gap: 8px;
}

.last-updated {
  margin: 4px 0 0;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.stat {
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 10px 12px;
}

.stat .k {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .v {
  font-size: 1.12rem;
  font-weight: 600;
}

.map-card {
  position: absolute;
  inset: 0;
  z-index: 1;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#map {
  height: 100vh;
  width: 100%;
  border-radius: 0;
  overflow: hidden;
}

.leaflet-popup-content {
  font-family: Outfit, "Segoe UI", sans-serif;
  margin: 10px 12px;
}

.popup-head {
  font-weight: 700;
  margin-bottom: 4px;
}

.popup-sub {
  color: var(--ink-muted);
}

.airline-opt {
  display: flex;
  align-items: center;
  gap: 8px;
}

.airline-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
  border-radius: 4px;
}

@keyframes drift {
  from {
    transform: scale(1) translateY(0);
  }
  to {
    transform: scale(1.04) translateY(-9px);
  }
}

@media (max-width: 980px) {
  .control-card {
    top: auto;
    right: 12px;
    left: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    width: auto;
    max-height: min(60vh, 560px);
    border-radius: 22px;
    padding: 18px 16px;
    gap: 12px;
  }

  .filter-grid {
    gap: 10px;
    margin-top: 4px;
  }

  .filter-grid label {
    font-size: 0.82rem;
  }

  select,
  .reset-btn {
    min-height: 44px;
    font-size: 16px;
    border-radius: 12px;
  }

  .reset-btn {
    width: 100%;
    margin-top: 6px;
  }

  .legend {
    gap: 6px;
  }

  .stat {
    padding: 9px 10px;
  }

  .last-updated {
    font-size: 0.8rem;
  }

  #map {
    height: 100vh;
    min-height: 100vh;
  }

  .leaflet-control-attribution {
    max-width: calc(100vw - 24px);
    line-height: 1.35;
  }
}

@media (max-width: 640px) {
  .control-card {
    right: 8px;
    left: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    max-height: min(62vh, 520px);
    border-radius: 18px;
    padding: 14px 12px;
  }

  h1 {
    font-size: clamp(1.25rem, 6vw, 1.6rem);
  }

  .subtitle {
    font-size: 0.9rem;
    line-height: 1.35;
  }

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

  .leaflet-control-attribution {
    font-size: 10px;
    padding: 3px 6px;
  }

  .leaflet-control-attribution .attr-inline {
    gap: 3px;
  }

  .leaflet-control-attribution .flag {
    width: 12px;
    height: 9px;
  }
}