/* WordPopover - Interactive word popup */

.word-popover {
  position: fixed; /* Changed from absolute to fixed for proper viewport positioning */
  z-index: 1000;
  display: none;
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: all var(--ms-duration-normal) var(--curve-spring);
  pointer-events: auto;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.word-popover.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.word-popover-content {
  /* Glassmorphism background */
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);

  /* Glassmorphism styling */
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  padding: var(--space-6);

  /* Enhanced shadow for depth */
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);

  min-width: 300px;
  max-width: 360px;
  max-height: 70vh;
  overflow: auto;
}

.word-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.word-text {
  font-size: var(--fs-title-2);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.word-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ms-duration-fast) var(--curve-spring);
}

.word-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.word-pronunciation {
  font-size: var(--fs-callout);
  color: var(--apple-blue);
  font-family: var(--font-family-mono);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(0, 122, 255, 0.08);
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
}

.word-translation {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  line-height: var(--line-height-normal);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: 8px;
  border-left: 3px solid var(--apple-green);
}

.word-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.word-actions .btn-icon {
  flex-shrink: 0;
}

.word-actions .btn-secondary,
.word-actions .btn-ghost {
  flex: 1;
  justify-content: center;
}

.word-popover-arrow {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.word-popover:not(.below) .word-popover-arrow {
  border-top: 6px solid rgba(255, 255, 255, 0.9);
  border-bottom: none;
  top: 100%;
  margin-top: -1px;
}

.word-popover.below .word-popover-arrow {
  border-bottom: 6px solid rgba(255, 255, 255, 0.9);
  border-top: none;
  bottom: 100%;
  margin-bottom: -1px;
}

/* Focus and accessibility */
.word-popover:focus-within {
  outline: none;
}

.word-close:focus,
.word-actions button:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Dark theme adjustments */
[data-theme='dark'] .word-popover-content {
  /* Dark glassmorphism */
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme='dark'] .word-pronunciation {
  background: rgba(0, 122, 255, 0.15);
}

[data-theme='dark'] .word-translation {
  background: var(--bg-tertiary);
  border-left-color: var(--apple-green);
}

[data-theme='dark'] .word-close:hover {
  background: var(--bg-tertiary);
}

[data-theme='dark'] .btn-icon:hover {
  background: var(--bg-tertiary);
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .word-popover-content {
    min-width: 260px;
    max-width: 300px;
    padding: var(--space-5);
    max-height: 80vh;
  }

  .word-actions {
    flex-direction: column;
    gap: var(--space-3);
  }

  .word-actions .btn-secondary,
  .word-actions .btn-ghost {
    width: 100%;
  }

  /* Context mobile adjustments */
  .word-context {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    max-height: 150px;
  }

  .context-source {
    font-size: var(--fs-caption);
    max-height: 60px;
  }

  .context-translation {
    font-size: var(--fs-caption);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .word-popover {
    transition: none;
  }

  .word-popover.visible {
    transform: none;
  }
}