:root {
  --bg: #0a0b0f;
  --bg-elevated: #121319;
  --bg-card: #15171e;
  --bg-card-hover: #1b1e27;
  --border: #262933;
  --border-soft: #1d1f28;
  --text: #eef0f4;
  --text-muted: #9aa0ac;
  --text-faint: #5c6270;

  --accent: #4f8cff;
  --accent-2: #22d3ee;
  --accent-3: #a78bfa;
  --accent-4: #fb923c;
  --accent-5: #64748b;
  --accent-danger: #f87171;
  --accent-good: #34d399;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  --font: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-5); }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg));
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.back-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  color: var(--text);
}
.back-btn:hover { background: var(--bg-card-hover); transform: translateX(-2px); }

.spacer { flex: 1; }

.updated-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.updated-pill .label { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.updated-pill .value { font-size: 13px; font-weight: 600; color: var(--accent-2); font-variant-numeric: tabular-nums; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.4s;
}
.icon-btn:hover { background: var(--bg-card-hover); color: var(--text); }
.icon-btn.spin { transform: rotate(180deg); }