/* ==========================================================================
   UI INTERACTIVE SYSTEM: TOOLTIPS & POPOVERS
   Clean, Flat Modern, No Exaggerated Shadows/Borders
   ========================================================================== */

/* 1. TOOLTIP SYSTEM */
.ui-tooltip {
  position: fixed;
  z-index: 10000;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.3;
  color: #f8fafc;
  background-color: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.375rem;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  white-space: nowrap;
  max-width: 20rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark .ui-tooltip {
  background-color: #070b14;
  color: #f1f5f9;
  border-color: #1e293b;
}

.ui-tooltip.ui-tooltip-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

/* Tooltip Caret / Arrow */
.ui-tooltip-arrow {
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: inherit;
  border: inherit;
  transform: rotate(45deg);
}

.ui-tooltip[data-placement^="top"] .ui-tooltip-arrow {
  bottom: -4px;
  border-top: none;
  border-left: none;
}

.ui-tooltip[data-placement^="bottom"] .ui-tooltip-arrow {
  top: -4px;
  border-bottom: none;
  border-right: none;
}

.ui-tooltip[data-placement^="left"] .ui-tooltip-arrow {
  right: -4px;
  border-left: none;
  border-bottom: none;
}

.ui-tooltip[data-placement^="right"] .ui-tooltip-arrow {
  left: -4px;
  border-right: none;
  border-top: none;
}

/* 2. POPOVER SYSTEM */
.ui-popover {
  position: fixed;
  z-index: 9998;
  width: max-content;
  max-width: 22rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  color: #0f172a;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  pointer-events: auto;
}

.dark .ui-popover {
  background-color: #0d131f;
  border-color: #1e293b;
  color: #f8fafc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ui-popover.ui-popover-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Popover Header */
.ui-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.dark .ui-popover-header {
  border-bottom-color: #1e293b;
}

.ui-popover-title {
  color: #0f172a;
  margin: 0;
}

.dark .ui-popover-title {
  color: #ffffff;
}

.ui-popover-close {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 0.125rem;
  border-radius: 0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

.ui-popover-close:hover {
  color: #0f172a;
}

.dark .ui-popover-close:hover {
  color: #f8fafc;
}

/* Popover Body */
.ui-popover-body {
  padding: 0.75rem 0.875rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: #475569;
}

.dark .ui-popover-body {
  color: #94a3b8;
}

/* Popover Arrow */
.ui-popover-arrow {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: inherit;
  border: inherit;
  transform: rotate(45deg);
}

.ui-popover[data-placement^="top"] .ui-popover-arrow {
  bottom: -5px;
  border-top: none;
  border-left: none;
}

.ui-popover[data-placement^="bottom"] .ui-popover-arrow {
  top: -5px;
  border-bottom: none;
  border-right: none;
}

.ui-popover[data-placement^="left"] .ui-popover-arrow {
  right: -5px;
  border-left: none;
  border-bottom: none;
}

.ui-popover[data-placement^="right"] .ui-popover-arrow {
  left: -5px;
  border-right: none;
  border-top: none;
}