/* ==============================================
   Obbium — Pure CSS Tooltip System
   Uses [data-tooltip] attribute selectors
   ============================================== */

/* Base: any element with a tooltip */
[data-tooltip] {
    position: relative;
    cursor: help;
}

/* Tooltip bubble (text) */
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a1a;
    color: #fff;
    font-size: 0.8rem;
    line-height: 1.4;
    padding: 6px 10px;
    border-radius: 6px;
    max-width: 280px;
    width: max-content;
    word-wrap: break-word;
    white-space: normal;
    text-align: center;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 9999;
}

/* Tooltip arrow (caret) */
[data-tooltip]::before {
    content: "";
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1a1a1a;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 9999;
}

/* Show on hover and focus */
[data-tooltip]:hover::after,
[data-tooltip]:focus::after,
[data-tooltip]:hover::before,
[data-tooltip]:focus::before {
    opacity: 1;
    visibility: visible;
}

/* ==============================================
   Description Attributes
   ============================================== */

/* Page-level description block */
[data-page-description]::before {
    content: attr(data-page-description);
    display: block;
    background: rgba(0, 255, 136, 0.05);
    border-left: 3px solid #00ff88;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #aaa;
}

/* Section-level description */
[data-section-description]::before {
    content: attr(data-section-description);
    display: block;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #888;
    font-style: italic;
    margin-bottom: 1rem;
}