:root {
    --brand-accent: var(--color-active);
    --brand-text: var(--color-text-main);

    /* Typography tokens (mirrors base/variables.css for standalone pages) */
    --font-base:  'Inter', system-ui, sans-serif;
    --font-brand: 'Chakra Petch', 'Segoe UI', sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 6px 14px;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 999;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
    width: auto;
    line-height: 1;
}

.theme-toggle:hover {
    background: transparent;
    color: var(--color-text-main);
}

.alzar-brand-logo {
    text-align: center;
}

.alzar-brand-icon {
    font-size: 2.5rem;
    color: var(--brand-accent);
    display: block;
    margin-bottom: 10px;
}

.alzar-brand-logo--hero .alzar-brand-icon {
    font-size: 3.5rem;
    margin-bottom: 12px;
}

.alzar-brand-wordmark {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin: 0 0 4px;
    line-height: 1;
}

.alzar-brand-logo--hero .alzar-brand-wordmark {
    font-size: 2.5rem;
    letter-spacing: -1px;
    margin: 0;
}

.alzar-brand-alzar {
    color: var(--brand-text);
}

.alzar-brand-logic {
    color: var(--brand-accent);
}

.alzar-brand-mark {
    font-size: 0.38em;
    vertical-align: super;
    color: var(--brand-accent);
    font-weight: 400;
    line-height: 0;
    letter-spacing: 0;
}

/* ── CFO / HQ tab menu system — canonical definition ─────────── */
.cfo-tab-bar {
    display: flex;
    gap: 0;
    padding: 0 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    flex-shrink: 0;
}

.cfo-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-base);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
    margin-bottom: -2px;
}

.cfo-tab:hover {
    color: var(--color-text-main);
}

.cfo-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.cfo-tab i {
    font-size: 1.05rem;
}