/* ============================================================================
   MACOS DOCK-STYLE TOOLTIPS
   Modern tooltips with smooth fade and scale animations
   ============================================================================ */

/* Tooltip Container */
.has-tooltip {
    position: relative;
}

/* Tooltip Base Styles - Using ::before for the bubble */
.has-tooltip::before {
    content: attr(data-tooltip);
    position: absolute;

    /* macOS Dock styling */
    background: rgba(0, 0, 0, 0.85);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    white-space: nowrap;
    letter-spacing: 0.01em;
    line-height: 1.3;

    /* Shadow for depth */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;

    /* Smooth fade + scale animation */
    transition: opacity 0.2s ease,
                transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.2s ease;

    /* Start scaled down slightly */
    transform: scale(0.8);

    /* Prevent tooltip from blocking interactions */
    pointer-events: none;

    /* Layer above content */
    z-index: 1000;
}

/* Show tooltip on hover */
.has-tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* ============================================================================
   POSITIONING VARIANTS
   ============================================================================ */

/* DEFAULT: Right position (for vertical action bar buttons in desktop) */
.has-tooltip::before {
    left: calc(100% + 12px); /* 12px gap from button */
    top: 50%;
    transform: translateY(-50%) scale(0.8);
}

.has-tooltip:hover::before {
    transform: translateY(-50%) scale(1);
}

/* LEFT position (for back-to-top button) */
.has-tooltip.tooltip-left::before {
    right: calc(100% + 12px); /* 12px gap from button */
    left: auto;
    top: 50%;
    transform: translateY(-50%) scale(0.8);
}

.has-tooltip.tooltip-left:hover::before {
    transform: translateY(-50%) scale(1);
}

/* TOP position (for mobile view - like macOS Dock) */
.has-tooltip.tooltip-top::before {
    bottom: calc(100% + 12px); /* 12px gap above button */
    left: 50%;
    top: auto;
    right: auto;
    transform: translateX(-50%) scale(0.8);
}

.has-tooltip.tooltip-top:hover::before {
    transform: translateX(-50%) scale(1);
}

/* BOTTOM position (alternative) */
.has-tooltip.tooltip-bottom::before {
    top: calc(100% + 12px); /* 12px gap below button */
    left: 50%;
    bottom: auto;
    right: auto;
    transform: translateX(-50%) scale(0.8);
}

.has-tooltip.tooltip-bottom:hover::before {
    transform: translateX(-50%) scale(1);
}

/* ============================================================================
   MOBILE RESPONSIVE BEHAVIOR
   ============================================================================ */

/* Mobile: Switch all tooltips to TOP position (like macOS Dock) */
@media (max-width: 900px) {
    /* Action bar buttons get TOP tooltips on mobile */
    .action-btn.has-tooltip::before {
        bottom: calc(100% + 8px); /* 8px gap above button */
        left: 50%;
        top: auto;
        right: auto;
        transform: translateX(-50%) scale(0.8);
    }

    .action-btn.has-tooltip:hover::before {
        transform: translateX(-50%) scale(1);
    }

    /* Fixed buttons (left side) get TOP tooltips on mobile - like macOS Dock */
    .fixed-btn.has-tooltip::before {
        bottom: calc(100% + 8px); /* 8px gap above button */
        left: 50%;
        top: auto;
        right: auto;
        transform: translateX(-50%) scale(0.8);
    }

    .fixed-btn.has-tooltip:hover::before {
        transform: translateX(-50%) scale(1);
    }

    /* Back-to-top button keeps LEFT position on mobile */
    .back-to-top.has-tooltip.tooltip-left::before {
        right: calc(100% + 8px);
        left: auto;
        top: 50%;
        bottom: auto;
        transform: translateY(-50%) scale(0.8);
    }

    .back-to-top.has-tooltip.tooltip-left:hover::before {
        transform: translateY(-50%) scale(1);
    }
}

/* Very narrow mobile - Adjust back-to-top tooltip for higher position */
@media (max-width: 483px) {
    /* Back-to-top moves up, tooltip stays with it */
    .back-to-top.has-tooltip.tooltip-left::before {
        right: calc(100% + 8px);
        top: 50%;
        transform: translateY(-50%) scale(0.8);
    }

    .back-to-top.has-tooltip.tooltip-left:hover::before {
        transform: translateY(-50%) scale(1);
    }
}

/* ============================================================================
   ACCESSIBILITY & PERFORMANCE
   ============================================================================ */

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .has-tooltip::before {
        transition: opacity 0.1s ease, visibility 0.1s ease;
        transform: scale(1) !important; /* No scale animation */
    }

    .has-tooltip:hover::before {
        transform: scale(1) !important;
    }

    .has-tooltip.tooltip-left::before,
    .has-tooltip.tooltip-left:hover::before {
        transform: translateY(-50%) scale(1) !important;
    }

    .has-tooltip.tooltip-top::before,
    .has-tooltip.tooltip-top:hover::before {
        transform: translateX(-50%) scale(1) !important;
    }
}

/* Hide tooltips on touch devices (avoid sticky tooltips) */
@media (hover: none) and (pointer: coarse) {
    .has-tooltip::before {
        display: none;
    }
}

/* ============================================================================
   THEME SUPPORT
   ============================================================================ */

/* Dark theme - slightly lighter tooltip for better contrast */
[data-color-theme="dark"] .has-tooltip::before {
    background: rgba(40, 40, 40, 0.95);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

/* Light theme - keep default dark tooltip (better contrast) */
[data-color-theme="light"] .has-tooltip::before {
    background: rgba(0, 0, 0, 0.85);
}