:root {
  --bg: #0a0c10;
  --panel: rgba(16, 20, 28, 0.88);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f1ec;
  --muted: #9aa3b0;
  --accent: #2ec4b6;
  --accent-hot: #ff5c8a;
  --line: #5eead4;
  --radius: 14px;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(46, 196, 182, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, rgba(255, 92, 138, 0.16), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgba(46, 196, 182, 0.08), transparent 45%),
    linear-gradient(180deg, #0d1118 0%, #0a0c10 40%, #080a0e 100%);
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 20px 56px;
}

.hidden {
  display: none !important;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: Oswald, Impact, sans-serif;
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.lede {
  margin: 14px 0 0;
  max-width: 36ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.hero-stat {
  padding: 18px 18px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(8px);
}

.label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value {
  margin: 0;
  font-family: Oswald, Impact, sans-serif;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
}

.value-sm {
  font-size: clamp(1.05rem, 2.8vw, 1.35rem);
  line-height: 1.25;
}

.hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.panel {
  margin-bottom: 18px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(8px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

h2 {
  margin: 0;
  font-family: Oswald, Impact, sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.range-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.range-btn,
.ghost {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.range-btn:hover,
.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.range-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(46, 196, 182, 0.1);
}

.chart-wrap {
  width: 100%;
}

#viewer-chart {
  display: block;
  width: 100%;
  height: 340px;
}

.chart-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  font-size: 13px;
  flex-wrap: wrap;
}

.muted {
  color: var(--muted);
}

.twitch-link {
  color: var(--accent-hot);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.twitch-link:hover {
  text-decoration: underline;
}

.streamers {
  display: grid;
  gap: 10px;
}

.streamer {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(8, 10, 14, 0.55);
}

.rank {
  font-family: Oswald, Impact, sans-serif;
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 600;
}

.streamer a {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.streamer a:hover {
  color: var(--accent);
}

.streamer-title {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 52ch;
}

.streamer strong {
  font-family: Oswald, Impact, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--accent);
}

.footer code {
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 720px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .streamer {
    grid-template-columns: 36px 1fr;
  }

  .streamer strong {
    grid-column: 2;
  }

  #viewer-chart {
    height: 260px;
  }
}