/* === CSS TOOLTIPS SYSTEM === */

/* Base tooltip styles */
[data-tooltip] {
    position: relative;
    cursor: help;
}

/* Tooltip text bubble */
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 14px;
    background: #1e293b;
    color: #f1f5f9;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.01em;
    border-radius: 8px;
    white-space: normal;
    max-width: 280px;
    min-width: 120px;
    width: max-content;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(4px);
    z-index: 100000;
}

/* Arrow */
[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1e293b;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 100001;
}

/* Show on hover */
[data-tooltip]:hover::after,
[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
}
[data-tooltip]:hover::after {
    transform: translateX(-50%) translateY(0);
}

/* === POSITION VARIANTS === */

/* Bottom */
[data-tooltip].tooltip-bottom::after {
    bottom: auto;
    top: calc(100% + 8px);
    transform: translateX(-50%) translateY(-4px);
}
[data-tooltip].tooltip-bottom::before {
    bottom: auto;
    top: calc(100% + 2px);
    border-top-color: transparent;
    border-bottom-color: #1e293b;
}
[data-tooltip].tooltip-bottom:hover::after {
    transform: translateX(-50%) translateY(0);
}

/* Right */
[data-tooltip].tooltip-right::after {
    bottom: auto;
    top: 50%;
    left: calc(100% + 8px);
    transform: translateY(-50%) translateX(-4px);
}
[data-tooltip].tooltip-right::before {
    bottom: auto;
    top: 50%;
    left: calc(100% + 2px);
    transform: translateY(-50%);
    border-top-color: transparent;
    border-right-color: #1e293b;
}
[data-tooltip].tooltip-right:hover::after {
    transform: translateY(-50%) translateX(0);
}

/* Left */
[data-tooltip].tooltip-left::after {
    bottom: auto;
    top: 50%;
    left: auto;
    right: calc(100% + 8px);
    transform: translateY(-50%) translateX(4px);
}
[data-tooltip].tooltip-left::before {
    bottom: auto;
    top: 50%;
    left: auto;
    right: calc(100% + 2px);
    transform: translateY(-50%);
    border-top-color: transparent;
    border-left-color: #1e293b;
}
[data-tooltip].tooltip-left:hover::after {
    transform: translateY(-50%) translateX(0);
}

/* === HELP ICON (?) === */
.help-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    margin-left: 4px;
    vertical-align: middle;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
    line-height: 1;
}
.help-hint:hover {
    background: #3b82f6;
    color: white;
}

/* === TABLE HEADER TOOLTIPS === */
th[data-tooltip] {
    cursor: pointer;
}
th[data-tooltip]::after {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

/* === SIDEBAR TOOLTIPS — show to the right === */
.sidebar-menu li[data-tooltip]::after {
    bottom: auto;
    top: 50%;
    left: calc(100% + 12px);
    transform: translateY(-50%) translateX(-4px);
    white-space: nowrap;
}
.sidebar-menu li[data-tooltip]::before {
    bottom: auto;
    top: 50%;
    left: calc(100% + 6px);
    transform: translateY(-50%);
    border-top-color: transparent;
    border-right-color: #1e293b;
}
.sidebar-menu li[data-tooltip]:hover::after {
    transform: translateY(-50%) translateX(0);
}

/* === FILTER LABEL TOOLTIPS — show below === */
.filter-label[data-tooltip]::after {
    bottom: auto;
    top: calc(100% + 6px);
    transform: translateX(-50%) translateY(-4px);
    font-size: 11px;
}
.filter-label[data-tooltip]::before {
    bottom: auto;
    top: calc(100% + 0px);
    border-top-color: transparent;
    border-bottom-color: #1e293b;
}
.filter-label[data-tooltip]:hover::after {
    transform: translateX(-50%) translateY(0);
}

/* Checkbox label tooltips - also below */
.checkbox-label[data-tooltip]::after {
    bottom: auto;
    top: calc(100% + 6px);
    transform: translateX(-50%) translateY(-4px);
    font-size: 11px;
}
.checkbox-label[data-tooltip]::before {
    bottom: auto;
    top: calc(100% + 0px);
    border-top-color: transparent;
    border-bottom-color: #1e293b;
}
.checkbox-label[data-tooltip]:hover::after {
    transform: translateX(-50%) translateY(0);
}

/* === DON'T show tooltips on mobile (touch) === */
@media (max-width: 768px) {
    [data-tooltip]::after,
    [data-tooltip]::before {
        display: none !important;
    }
}

/* Prevent tooltips from blocking clicks on buttons */
button[data-tooltip],
a[data-tooltip],
select[data-tooltip] {
    cursor: pointer;
}