* {
  box-sizing: border-box;
}

body {
  font-family: 'Source Sans 3', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
  color: #1a1a1a;
  background: #f5f5f5;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

header {
  padding: 32px 24px 28px;
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

header h1 {
  margin: 0 0 8px 0;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
  opacity: 0.95;
  font-weight: 400;
}

.author {
  margin: 0;
  opacity: 0.85;
  font-size: 0.9rem;
}

main {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 24px 24px;
}

.intro {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 2px solid #1565c0;
  border-radius: 12px;
  padding: 28px 32px;
  margin: 24px 0;
  box-shadow: 0 4px 12px rgba(21, 101, 192, 0.12);
}

.intro h2 {
  margin: 0 0 16px 0;
  font-family: 'Poppins', sans-serif;
  color: #0d47a1;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.intro p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.75;
  color: #2c2c2c;
}

.intro p + p {
  margin-top: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 26px 0;
}

section {
  background: #fff;
  border: 1px solid #e3e3e3;
  border-radius: 12px;
  padding: 22px 24px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
  overflow: hidden;
  min-width: 0;
  transition: box-shadow 0.3s ease;
}

section:hover {
  box-shadow: 0 4px 12px rgba(13, 71, 161, 0.12);
}

section h2 {
  margin: 0 0 14px 0;
  font-family: 'Poppins', sans-serif;
  font-size: 1.35rem;
  color: #0d47a1;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.description {
  margin: 0 0 16px 0;
  font-size: 0.96rem;
  color: #424242;
  line-height: 1.65;
  font-weight: 400;
}

.insight {
  margin: 16px 0 0 0;
  padding: 14px 18px;
  background: linear-gradient(135deg, #e3f2fd 0%, #f5f9ff 100%);
  border-left: 5px solid #1565c0;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.6;
  box-shadow: 0 2px 4px rgba(21, 101, 192, 0.08);
}

.insight strong {
  color: #0d47a1;
  font-weight: 600;
  font-size: 0.95rem;
}

.wide {
  grid-column: 1 / -1;
}

.conclusions {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 2px solid #2e7d32;
  border-radius: 12px;
  padding: 28px 32px;
  margin: 24px 0;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.12);
}

.conclusions h2 {
  margin: 0 0 16px 0;
  font-family: 'Poppins', sans-serif;
  color: #1b5e20;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.conclusions p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.75;
  color: #2c2c2c;
}

.conclusions p strong {
  color: #1b5e20;
  font-weight: 600;
}

footer {
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
  border: 1px solid #e3e3e3;
  border-radius: 12px;
  padding: 26px 30px;
  margin: 26px 0;
  box-shadow: 0 3px 8px rgba(0,0,0,0.06);
}

footer h3 {
  margin: 0 0 18px 0;
  font-family: 'Poppins', sans-serif;
  color: #0d47a1;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.data-sources {
  margin-bottom: 18px;
  padding: 18px 20px;
  background: #f5f7f9;
  border-radius: 8px;
  border: 1px solid #e8eaed;
}

.data-sources p {
  margin: 10px 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #424242;
}

.data-sources p strong {
  color: #0d47a1;
  font-weight: 600;
}

.copyright {
  margin: 18px 0 0 0;
  padding-top: 18px;
  border-top: 2px solid #e3e3e3;
  font-size: 0.88rem;
  color: #616161;
  text-align: center;
  font-weight: 500;
}

#v1, #v2, #v3, #v4, #v5 {
  max-width: 100%;
  overflow: hidden;
  height: 100%;
  min-height: 0;
}
.grid section {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 0;
}
.grid section { height: 78vh; }
.grid section.wide { height: 85vh; }
#v1 > .vega-embed, #v2 > .vega-embed, #v3 > .vega-embed, #v4 > .vega-embed, #v5 > .vega-embed {
  width: 100% !important;
  height: 100% !important;
}
.vega-embed {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.vega-embed .vega-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}
.vega-embed .vega-bindings,
.vega-embed .vega-actions,
.vega-embed details {
  flex: 0 0 auto;
}
.vega-embed svg,
.vega-embed canvas,
.vega-embed .vega-view > svg,
.vega-embed .vega-view > canvas {
  flex: 1 1 auto;
}


#v5 .vega-bindings,
#v5 .vega-actions,
#v5 details {
  display: none !important;
}
#v1 .vega-embed svg, #v1 .vega-embed canvas,
#v2 .vega-embed svg, #v2 .vega-embed canvas,
#v3 .vega-embed svg, #v3 .vega-embed canvas,
#v4 .vega-embed svg, #v4 .vega-embed canvas,
#v5 .vega-embed svg, #v5 .vega-embed canvas {
  width: 100% !important;
  height: 100% !important;
}
.vega-bindings {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 14px;
  padding: 18px 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-radius: 10px;
  margin-bottom: 18px;
  border: 2px solid #e3f2fd;
  box-shadow: 0 2px 8px rgba(13, 71, 161, 0.08);
}

.vega-bind {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
  min-width: 280px;
}

.vega-bind-name {
  font-weight: 700;
  color: #0d47a1;
  min-width: 90px;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.vega-bind input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #1565c0;
  cursor: pointer;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 160px;
  height: 8px;
  border-radius: 4px;
  background: #e0e0e0;
  outline: none;
  opacity: 1;
  transition: all 0.3s ease;
  cursor: pointer;
}

input[type="range"]:hover {
  background: #d0d0d0;
}

input[type="range"]:active {
  background: #c0c0c0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1565c0 0%, #0d47a1 100%);
  cursor: grab;
  border: 3px solid #fff;
  box-shadow: 0 3px 8px rgba(13, 71, 161, 0.4), 0 1px 3px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(13, 71, 161, 0.5), 0 2px 4px rgba(0,0,0,0.3);
}

input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.05);
  box-shadow: 0 2px 6px rgba(13, 71, 161, 0.6);
}
input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1565c0 0%, #0d47a1 100%);
  cursor: grab;
  border: 3px solid #fff;
  box-shadow: 0 3px 8px rgba(13, 71, 161, 0.4), 0 1px 3px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

input[type="range"]::-moz-range-thumb:hover {
  background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(13, 71, 161, 0.5), 0 2px 4px rgba(0,0,0,0.3);
}

input[type="range"]::-moz-range-thumb:active {
  cursor: grabbing;
  transform: scale(1.05);
}
input[type="range"]::-moz-range-track {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e0e0e0;
}
select {
  padding: 6px 12px;
  border: 1px solid #1565c0;
  border-radius: 6px;
  background: #fff;
  color: #0d47a1;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}

select:hover {
  border-color: #0d47a1;
  box-shadow: 0 2px 4px rgba(13,71,161,0.1);
}

select:focus {
  border-color: #0d47a1;
  box-shadow: 0 0 0 3px rgba(13,71,161,0.1);
}
@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .grid section { height: 60vh; }
  .grid section.wide { height: 65vh; }

  header h1 {
    font-size: 1.6rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .vega-bindings {
    padding: 12px;
  }

  .vega-bind {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .vega-bind-name {
    min-width: auto;
  }
}
#v2 .vega-bind {
  min-width: auto;
  gap: 10px;
}
#v2 .vega-bind-name {
  min-width: auto;
}
#v2 .vega-bind input[type="checkbox"] {
  margin-left: 8px;
  vertical-align: middle;
}