/* Info-button tooltips (fixed-position bubbles anchored to the "i" buttons) */

.tooltip {
    position: fixed;
    background: rgba(15, 23, 42, 0.95);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.4;
    max-width: 280px;
    width: 280px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: var(--arrow-left, 20px);
    width: 12px;
    height: 12px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-bottom: none;
    border-right: none;
    transform: rotate(45deg);
}