:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #1a1a2e;
  --border: #2a2a3e;
  --text: #e8e8f0;
  --text-dim: #8888a0;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --bar-gradient-start: #6366f1;
  --bar-gradient-end: #a855f7;
  --positive: #22c55e;
  --negative: #ef4444;
  --radius: 8px;
}

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

body {
  font-family: Helvetica, 'Noto Sans JP', 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

a,
a:link,
a:visited,
a:hover,
a:active {
  font-size: 1.75rem;
  color: var(--text);
  font-weight: bold;
  text-decoration: none;
  margin-top: 6px;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--bar-gradient-start), var(--bar-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* Controls */
.controls {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-group label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 600;
}

select {
  appearance: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 36px 10px 14px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  min-width: 260px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color 0.2s;
}

select:hover,
select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--accent);
  background: var(--surface-2);
}

.btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.status {
  font-size: 0.75rem;
  color: var(--text-dim);
  align-self: center;
}

/* Stats */
.stats {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  flex: 1;
  min-width: 140px;
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: 'Inter', monospace;
}

/* Chart */
.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  overflow: hidden;
}

.chart {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Bar Row */
.bar-row {
  display: grid;
  grid-template-columns: 28px 160px 1fr 100px 60px;
  align-items: center;
  gap: 10px;
  height: 36px;
  opacity: 0;
}

.bar-rank {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-align: right;
  font-family: 'Inter', monospace;
}

.bar-rank.top3 {
  color: var(--accent);
}

.bar-label {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.bar-name {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-constituency {
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-track {
  height: 24px;
  background: var(--surface-2);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--bar-gradient-start), var(--bar-gradient-end));
  width: 0%;
  position: relative;
}

.bar-fill.below-avg {
  background: linear-gradient(90deg, #374151, #4b5563);
}

.bar-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.bar-votes {
  font-size: 0.7rem;
  font-family: 'Inter', monospace;
  color: var(--text);
}

.bar-share {
  font-size: 0.65rem;
  font-family: 'Inter', monospace;
  color: var(--text-dim);
}

.bar-value {
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Inter', monospace;
  text-align: right;
  color: var(--text);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 0.95rem;
}

.explanation {
  text-align: left;
  max-width: 600px;
  margin: 28px auto 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.explanation h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent);
}

.explanation ol {
  padding-left: 1.4em;
  margin: 10px 0;
  line-height: 1.8;
  font-size: 0.85rem;
  color: var(--text);
}

.explanation ol li {
  margin-bottom: 2px;
}

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

.explanation .note {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 12px;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 640px) {
  .bar-row {
    grid-template-columns: 24px 120px 1fr 80px 50px;
    gap: 6px;
  }

  .title {
    font-size: 1.5rem;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  select {
    min-width: unset;
  }
}