/* shared.css — site-wide tokens + masthead */
:root {
  --paper:    #fafaf7;
  --panel:    #fff;
  --warm:     #f5f3ee;
  --ink:      #1a1a1a;
  --ink-mid:  #4a4a4a;
  --ink-soft: #888;
  --rule:     #dddad2;
  --up:       #b8860b;
  --down:     #4a7c4a;
  --accent:   #3d7a50;
  --accent-dn:#b04040;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}
a { color: inherit; }

/* ── masthead ── */
.mast {
  background: var(--ink);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.mast-l { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.mast-back {
  font-size: 11px; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.4); text-decoration: none;
  flex-shrink: 0;
}
.mast-back:hover { color: rgba(255,255,255,0.8); }
.mast-title {
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; color: #fff;
}
.mast-title:hover { color: var(--up); }
a.mast-title { text-decoration: none; }
.mast-code {
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; color: var(--up);
  flex-shrink: 0;
}
.mast-r {
  font-size: 10px; color: rgba(255,255,255,0.38);
  letter-spacing: 0.05em; text-align: right; flex-shrink: 0;
  display: flex; align-items: baseline; justify-content: flex-end;
  gap: 8px; flex-wrap: wrap;
}
.mast-r strong { color: var(--up); font-weight: 600; }

/* ── shared traffic pulse ── */
.etf-mast-r {
  display: flex; align-items: baseline; justify-content: flex-end;
  gap: 8px; flex-wrap: wrap;
}
.site-pulse {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  max-width: 100%;
  color: rgba(255,255,255,0.44);
  white-space: nowrap;
}
.site-pulse::before {
  content: "";
  width: 1px;
  height: 12px;
  background: rgba(255,255,255,0.16);
  align-self: center;
}
.site-pulse-state {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.site-pulse-state::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(61,122,80,0.42);
  animation: site-pulse-dot 1.8s ease-out infinite;
}
.site-pulse-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
}
.site-pulse-label {
  font-size: 8px;
  color: rgba(255,255,255,0.34);
  letter-spacing: 0.08em;
}
.site-pulse-value {
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.82);
}
.site-pulse-active { color: var(--up); }
.site-pulse-updated {
  font-size: 8px;
  color: rgba(255,255,255,0.26);
  letter-spacing: 0.06em;
}
@keyframes site-pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(61,122,80,0.42); }
  70% { box-shadow: 0 0 0 8px rgba(61,122,80,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,122,80,0); }
}

/* ── shared tab bar ── */
.tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--ink);
  overflow-x: auto; padding-top: 10px;
}
.tabs::-webkit-scrollbar { height: 0; }
.tabs button, .tabs .tab {
  flex: 0 0 auto;
  background: transparent; border: none;
  padding: 7px 14px;
  font-family: inherit; font-size: 12px; letter-spacing: 0.02em;
  color: var(--ink-soft); cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color 0.1s;
}
.tabs button:hover, .tabs .tab:hover { color: var(--ink-mid, #4a4a4a); }
.tabs button.active, .tabs .tab.active {
  color: var(--ink); border-bottom-color: var(--ink); font-weight: 600;
}
.tabs button .count, .tabs .tab .count {
  color: var(--ink-soft); font-weight: 400; margin-left: 5px; font-size: 10px;
}

/* ── shared note / footer ── */
.note {
  margin-top: 16px; padding: 10px 12px;
  border: 1px dashed var(--rule);
  font-size: 11px; color: var(--ink-soft); background: var(--panel);
}
.site-footer {
  margin-top: 24px; padding-top: 10px;
  border-top: 1px solid var(--rule);
  font-size: 10px; color: var(--ink-soft);
}

@media (max-width: 640px) {
  body { font-size: 12px; }
  .mast {
    padding: 8px 12px;
    flex-wrap: wrap;
    gap: 6px 10px;
    align-items: flex-start;
  }
  .mast-l { gap: 8px; min-width: 0; flex: 1 1 auto; }
  .mast-name { display: none; }
  .mast-title { font-size: 12px; letter-spacing: 0.05em; }
  .mast-back  { font-size: 10px; }
  .mast-r {
    font-size: 9px;
    text-align: right;
    flex: 0 0 100%;
    min-width: 0;
    justify-content: flex-start;
    margin-top: 2px;
    opacity: 0.85;
  }
  .etf-mast-r {
    flex: 0 0 100%;
    min-width: 0;
    text-align: left;
    margin-top: 2px;
  }
  .site-pulse {
    flex: 0 1 auto;
    gap: 4px;
    min-width: 0;
  }
  .site-pulse::before,
  .site-pulse-state,
  .site-pulse-secondary,
  .site-pulse-updated {
    display: none;
  }
  .etf-mast-r .site-pulse {
    flex: 1 0 100%;
    margin-left: 0;
  }
  .mast-r .site-pulse {
    margin-left: 0;
  }
  .bar .site-pulse {
    flex: 1 0 100%;
    margin-left: 0;
    justify-content: flex-start;
    padding-top: 2px;
  }
  .site-pulse-label { font-size: 8px; letter-spacing: 0.02em; }
  .site-pulse-value { font-size: 10px; }
  .tabs { padding-top: 8px; }
  .tabs button, .tabs .tab { padding: 6px 10px; font-size: 11px; }
  .tabs button .count, .tabs .tab .count { display: none; }
  .note { font-size: 10px; padding: 8px 10px; }
}

@media (max-width: 380px) {
  .mast { padding: 7px 10px; }
  .mast-title { font-size: 11px; }
  .site-pulse-label { font-size: 7px; }
  .site-pulse-value { font-size: 9px; }
  .tabs button, .tabs .tab { padding: 5px 8px; font-size: 10px; }
}