/**
 * RADEXEL Design System - Tooltip Component
 *
 * CSS-only tooltips using the [data-tooltip] attribute.
 * Default direction: top. Also supports left (for right sidebar icons).
 * Dark background, light text for contrast.
 */

/* ==========================================================================
   Base Tooltip
   ========================================================================== */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  z-index: var(--z-tooltip);
  pointer-events: none;
  opacity: 0;
  transition:
    opacity var(--duration-fast) var(--ease-default),
    transform var(--duration-fast) var(--ease-default);
}

/* Tooltip text */
[data-tooltip]::after {
  content: attr(data-tooltip);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  white-space: nowrap;
  color: var(--color-text-inverse);
  background: var(--color-text);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

/* Arrow */
[data-tooltip]::before {
  content: '';
  width: 0;
  height: 0;
  border: 5px solid transparent;
}

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

/* Dark theme tooltip inversion */
:root[data-theme="dark"] [data-tooltip]::after {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}


/* ==========================================================================
   Direction: Top (Default)
   ========================================================================== */

[data-tooltip]:not([data-tooltip-dir])::after,
[data-tooltip][data-tooltip-dir="top"]::after {
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
}

[data-tooltip]:not([data-tooltip-dir])::before,
[data-tooltip][data-tooltip-dir="top"]::before {
  bottom: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border-top-color: var(--color-text);
}

[data-tooltip]:not([data-tooltip-dir]):hover::after,
[data-tooltip][data-tooltip-dir="top"]:hover::after,
[data-tooltip]:not([data-tooltip-dir]):focus-visible::after,
[data-tooltip][data-tooltip-dir="top"]:focus-visible::after {
  transform: translateX(-50%) translateY(0);
}

[data-tooltip]:not([data-tooltip-dir]):hover::before,
[data-tooltip][data-tooltip-dir="top"]:hover::before,
[data-tooltip]:not([data-tooltip-dir]):focus-visible::before,
[data-tooltip][data-tooltip-dir="top"]:focus-visible::before {
  transform: translateX(-50%) translateY(0);
}

/* Dark theme arrow */
:root[data-theme="dark"] [data-tooltip]:not([data-tooltip-dir])::before,
:root[data-theme="dark"] [data-tooltip][data-tooltip-dir="top"]::before {
  border-top-color: var(--color-bg-secondary);
}


/* ==========================================================================
   Direction: Bottom
   ========================================================================== */

[data-tooltip][data-tooltip-dir="bottom"]::after {
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
}

[data-tooltip][data-tooltip-dir="bottom"]::before {
  top: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  border-bottom-color: var(--color-text);
}

[data-tooltip][data-tooltip-dir="bottom"]:hover::after,
[data-tooltip][data-tooltip-dir="bottom"]:focus-visible::after {
  transform: translateX(-50%) translateY(0);
}

[data-tooltip][data-tooltip-dir="bottom"]:hover::before,
[data-tooltip][data-tooltip-dir="bottom"]:focus-visible::before {
  transform: translateX(-50%) translateY(0);
}


/* ==========================================================================
   Direction: Left (for Right Sidebar icons)
   ========================================================================== */

[data-tooltip][data-tooltip-dir="left"]::after {
  top: 50%;
  right: calc(100% + 8px);
  transform: translateY(-50%) translateX(4px);
}

[data-tooltip][data-tooltip-dir="left"]::before {
  top: 50%;
  right: calc(100% + 3px);
  transform: translateY(-50%) translateX(4px);
  border-left-color: var(--color-text);
}

[data-tooltip][data-tooltip-dir="left"]:hover::after,
[data-tooltip][data-tooltip-dir="left"]:focus-visible::after {
  transform: translateY(-50%) translateX(0);
}

[data-tooltip][data-tooltip-dir="left"]:hover::before,
[data-tooltip][data-tooltip-dir="left"]:focus-visible::before {
  transform: translateY(-50%) translateX(0);
}

:root[data-theme="dark"] [data-tooltip][data-tooltip-dir="left"]::before {
  border-left-color: var(--color-bg-secondary);
}


/* ==========================================================================
   Direction: Right
   ========================================================================== */

[data-tooltip][data-tooltip-dir="right"]::after {
  top: 50%;
  left: calc(100% + 8px);
  transform: translateY(-50%) translateX(-4px);
}

[data-tooltip][data-tooltip-dir="right"]::before {
  top: 50%;
  left: calc(100% + 3px);
  transform: translateY(-50%) translateX(-4px);
  border-right-color: var(--color-text);
}

[data-tooltip][data-tooltip-dir="right"]:hover::after,
[data-tooltip][data-tooltip-dir="right"]:focus-visible::after {
  transform: translateY(-50%) translateX(0);
}

[data-tooltip][data-tooltip-dir="right"]:hover::before,
[data-tooltip][data-tooltip-dir="right"]:focus-visible::before {
  transform: translateY(-50%) translateX(0);
}

:root[data-theme="dark"] [data-tooltip][data-tooltip-dir="right"]::before {
  border-right-color: var(--color-bg-secondary);
}


/* ==========================================================================
   Disable Tooltip for Touch & Reduced Motion
   ========================================================================== */

@media (pointer: coarse) {
  /* Hide tooltips on touch devices - use title attr or aria instead */
  [data-tooltip]::before,
  [data-tooltip]::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-tooltip]::before,
  [data-tooltip]::after {
    transition: none;
  }
}