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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #07070f;
  color: #dde0f2;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

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

#hdr {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0.5rem 1.2rem;
  background: rgba(255, 255, 255, 0.025);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

#hdr-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #b39dfd;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

#hdr-stats {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex: 1;
  min-width: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.stat span {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  font-family: 'Space Mono', monospace;
}

.stat label {
  font-size: 0.58rem;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
  font-family: 'Space Grotesk', sans-serif;
}

#refresh-badge {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-family: 'Space Mono', monospace;
  color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
}

/* ── Body layout ─────────────────────────────────────────── */

#body {
  flex: 1 1 0;
  display: flex;
  min-height: 0;
}

#chart-wrap {
  flex: 1 1 0;
  min-width: 0;
  position: relative;
}

#chart {
  display: block;
  width: 100%;
  height: 100%;
}

#empty-msg {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.9rem;
  pointer-events: none;
}

#empty-msg.visible {
  display: flex;
}

/* ── Tooltip ─────────────────────────────────────────────── */

#tooltip {
  position: fixed;
  display: none;
  z-index: 999;
  pointer-events: none;
  background: rgba(12, 10, 26, 0.97);
  border: 1px solid rgba(179, 157, 253, 0.3);
  border-radius: 7px;
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
  color: #e0e0f4;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  white-space: nowrap;
  line-height: 1.5;
}

#tooltip strong {
  color: #c4b5fd;
  display: block;
  font-size: 0.84rem;
}

#tooltip .tt-hint {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.68rem;
}

/* ── Sidebar ─────────────────────────────────────────────── */

#sidebar {
  flex: 0 0 210px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.012);
  border-left: 1px solid rgba(255, 255, 255, 0.055);
}

#sb-head {
  flex: 0 0 auto;
  padding: 0.5rem 0.85rem;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}

#leaderboard {
  flex: 1 1 0;
  overflow-y: auto;
  overflow-x: hidden;
}

#leaderboard::-webkit-scrollbar { width: 3px; }
#leaderboard::-webkit-scrollbar-track { background: transparent; }
#leaderboard::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.lb-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.65rem;
  text-decoration: none;
  color: #dde0f2;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: background 0.1s;
}

.lb-row:hover { background: rgba(255, 255, 255, 0.055); }

.lb-rank {
  flex: 0 0 1.9rem;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.28);
  text-align: right;
  font-family: 'Space Mono', monospace;
}

.lb-info {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lb-name {
  font-size: 0.7rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lb-bar-wrap {
  height: 2px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 1px;
  overflow: hidden;
}

.lb-bar {
  height: 100%;
  border-radius: 1px;
  opacity: 0.75;
  transition: width 0.6s ease;
}

.lb-count {
  flex: 0 0 auto;
  font-size: 0.6rem;
  font-family: 'Space Mono', monospace;
  color: rgba(255, 255, 255, 0.38);
}

/* medal ranks */
.lb-row:nth-child(1) .lb-name { color: #fde68a; }
.lb-row:nth-child(2) .lb-name { color: #d1d5db; }
.lb-row:nth-child(3) .lb-name { color: #d97706; }