.tab-bar {
  display: flex;
  align-items: stretch;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  gap: 4px;
  flex-shrink: 0;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  height: 52px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dim);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  position: relative;
  bottom: -1px;
}

.tab-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Per-tab accent colors */
.tab-btn[data-tab="finances"]:hover,
.tab-btn[data-tab="finances"].active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  box-shadow: 0 2px 8px rgba(0,229,255,0.4);
}

.tab-btn[data-tab="crypto"]:hover,
.tab-btn[data-tab="crypto"].active {
  color: var(--purple);
  border-bottom-color: var(--purple);
  box-shadow: 0 2px 8px rgba(192,132,252,0.4);
}

.tab-btn[data-tab="shares"]:hover,
.tab-btn[data-tab="shares"].active {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
  box-shadow: 0 2px 8px rgba(255,215,64,0.4);
}

.tab-btn[data-tab="charts"]:hover,
.tab-btn[data-tab="charts"].active {
  color: var(--green);
  border-bottom-color: var(--green);
  box-shadow: 0 2px 8px rgba(0,230,118,0.4);
}

@media (max-width: 600px) {
  .tab-bar { padding: 0 8px; }
  .tab-btn { padding: 0 12px; letter-spacing: 1px; font-size: 10px; }
  .tab-btn span.tab-label { display: none; }
}

/* ── Light theme tab overrides ──────────────────────────────────────────
   On white surfaces, box-shadows show downward (not outward glow).
   Remove dark-mode glow; keep color + border-bottom accent.               */
[data-theme="light"] .tab-btn {
  color: var(--dim);
}

[data-theme="light"] .tab-btn[data-tab="finances"]:hover,
[data-theme="light"] .tab-btn[data-tab="finances"].active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  box-shadow: 0 3px 0 var(--cyan), 0 2px 8px rgba(0,151,167,0.15);
}

[data-theme="light"] .tab-btn[data-tab="crypto"]:hover,
[data-theme="light"] .tab-btn[data-tab="crypto"].active {
  color: var(--purple);
  border-bottom-color: var(--purple);
  box-shadow: 0 3px 0 var(--purple), 0 2px 8px rgba(108,49,230,0.15);
}

[data-theme="light"] .tab-btn[data-tab="shares"]:hover,
[data-theme="light"] .tab-btn[data-tab="shares"].active {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
  box-shadow: 0 3px 0 var(--yellow), 0 2px 8px rgba(230,81,0,0.15);
}

[data-theme="light"] .tab-btn[data-tab="charts"]:hover,
[data-theme="light"] .tab-btn[data-tab="charts"].active {
  color: var(--green);
  border-bottom-color: var(--green);
  box-shadow: 0 3px 0 var(--green), 0 2px 8px rgba(0,137,123,0.15);
}