/* EV bubble chart, scoped to .evbc so it can be embedded on any page
   without selector collisions. Ported from
   /charts/ev-unicorns-thoroughbreds-by-region-bubbles.html — kept the
   dark-theme palette only since every host page on Dealroom is dark. */
.evbc {
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--border-light, rgba(255,255,255,0.1));
    border-radius: 14px;
    padding: 22px 28px 18px;
    position: relative;
    color: #f1f5f9;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
}
.evbc-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 10px;
    min-height: 28px;
}
.evbc-back-btn {
    appearance: none;
    background: rgba(255,255,255,0.08);
    color: #f1f5f9;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: opacity .25s, transform .25s, background .15s;
    opacity: 0;
    transform: translateX(-6px);
    pointer-events: none;
}
.evbc-back-btn.visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}
.evbc-back-btn:hover { background: rgba(255,255,255,0.14); }
.evbc-title {
    font-family: 'Source Serif 4', Georgia, serif;
    text-align: center;
    font-size: clamp(1.6rem, 2.6vw, 2.3rem);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.015em;
    margin-bottom: 6px;
    text-wrap: balance;
}
.evbc-title .evbc-accent { color: #60A5FA; }
.evbc-subtitle {
    text-align: center;
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    margin-bottom: 16px;
}
.evbc-chart {
    width: 100%;
    height: 560px;
    display: block;
}
.evbc-controls {
    display: flex;
    gap: 18px;
    justify-content: center;
    align-items: center;
    margin-top: 6px;
    flex-wrap: wrap;
}
.evbc-toggle-group {
    display: inline-flex;
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
}
.evbc-toggle-btn {
    appearance: none;
    padding: 6px 14px;
    background: transparent;
    border: 0;
    border-radius: 6px;
    font: 600 13px 'DM Sans', sans-serif;
    color: rgba(255,255,255,0.55);
    cursor: pointer;
    transition: background .15s, color .15s;
}
.evbc-toggle-btn:hover { color: #fff; }
.evbc-toggle-btn.active {
    background: rgba(255,255,255,0.14);
    color: #f1f5f9;
    box-shadow: 0 1px 2px rgba(0,0,0,0.18);
}
.evbc-toggle-btn.evbc-coming-soon {
    opacity: 0.4;
    cursor: not-allowed;
}
.evbc-toggle-btn.evbc-coming-soon:hover { color: rgba(255,255,255,0.55); }
.evbc-toggle-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    font-weight: 700;
    margin-right: 4px;
}
.evbc-hint {
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 11px;
    margin-top: 10px;
    font-style: italic;
    transition: opacity .25s;
}
.evbc-hint.hidden { opacity: 0; }
.evbc-chart circle.evbc-company { transition: stroke-width .15s, stroke .15s; }
.evbc-chart circle.evbc-company:hover {
    stroke: rgba(255,255,255,0.95) !important;
    stroke-width: 1.5 !important;
}
.evbc-tooltip {
    position: fixed;
    pointer-events: none;
    background: rgba(15,23,42,0.96);
    color: #fff;
    padding: 9px 13px;
    border-radius: 7px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity .1s;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0,0,0,0.32);
}
.evbc-tooltip .evbc-t-name { font-weight: 700; margin-bottom: 3px; }
.evbc-tooltip .evbc-t-meta { opacity: .8; font-size: 11px; }
.evbc-region-label { font-weight: 700; font-size: 14px; }
.evbc-region-sublabel { font-weight: 500; font-size: 12px; }
.evbc-sub-label-name { font-weight: 700; font-size: 13px; }
.evbc-sub-label-value { font-weight: 500; font-size: 12px; opacity: 0.75; }
.evbc-data-note {
    margin-top: 12px;
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 11px;
}

@media (max-width: 760px) {
    .evbc { padding: 16px 14px 14px; }
    .evbc-chart { height: min(520px, 58vh); }
    .evbc-controls { gap: 10px; font-size: 12px; }
    .evbc-toggle-btn { padding: 6px 10px; }
}

html[data-theme="light"] .evbc {
    background: #fff;
    border-color: rgba(16,24,40,0.10);
    box-shadow: 0 18px 44px rgba(16,24,40,0.07);
    color: #172033;
}
html[data-theme="light"] .evbc-title {
    color: #101828;
}
html[data-theme="light"] .evbc-title .evbc-accent {
    color: #3B82F6;
}
html[data-theme="light"] .evbc-subtitle,
html[data-theme="light"] .evbc-hint,
html[data-theme="light"] .evbc-data-note {
    color: rgba(16,24,40,0.56);
}
html[data-theme="light"] .evbc-back-btn {
    background: #F8FAFC;
    border-color: rgba(16,24,40,0.12);
    color: rgba(16,24,40,0.72);
    box-shadow: 0 1px 2px rgba(16,24,40,0.04);
}
html[data-theme="light"] .evbc-back-btn:hover {
    background: #EFF6FF;
    color: #101828;
}
html[data-theme="light"] .evbc-toggle-group {
    background: #F8FAFC;
    border: 1px solid rgba(16,24,40,0.10);
    box-shadow: 0 1px 2px rgba(16,24,40,0.04);
}
html[data-theme="light"] .evbc-toggle-label {
    color: rgba(16,24,40,0.48);
}
html[data-theme="light"] .evbc-toggle-btn {
    color: rgba(16,24,40,0.62);
}
html[data-theme="light"] .evbc-toggle-btn:hover {
    color: #101828;
}
html[data-theme="light"] .evbc-toggle-btn.active {
    background: #fff;
    color: #101828;
    box-shadow: 0 1px 2px rgba(16,24,40,0.08), 0 0 0 1px rgba(16,24,40,0.06) inset;
}
html[data-theme="light"] .evbc-toggle-btn.evbc-coming-soon:hover {
    color: rgba(16,24,40,0.62);
}
html[data-theme="light"] .evbc-chart circle.evbc-company:hover {
    stroke: rgba(16,24,40,0.92) !important;
}
html[data-theme="light"] .evbc-chart circle.evbc-shell {
    stroke: rgba(16,24,40,0.18) !important;
}
html[data-theme="light"] .evbc-region-label,
html[data-theme="light"] .evbc-region-sublabel,
html[data-theme="light"] .evbc-sub-label-name,
html[data-theme="light"] .evbc-sub-label-value {
    color: #172033;
}
html[data-theme="light"] .evbc-tooltip {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(16,24,40,0.12);
    color: #101828;
    box-shadow: 0 12px 34px rgba(16,24,40,0.18);
}
html[data-theme="light"] .evbc-tooltip .evbc-t-meta {
    color: rgba(16,24,40,0.62);
    opacity: 1;
}