/* ==========================================================================
   Nostr Highlights (NIP-84) Styles - blog.emre.xyz
   ========================================================================== */

/* --------------------------------------------------------------------------
   Floating Selection Popover
   -------------------------------------------------------------------------- */
.nh-selection-popover {
  position: absolute;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 6px;
  background: #1e293b;
  color: #f8fafc;
  padding: 5px 8px;
  border-radius: 24px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-family: inherit;
  font-size: 0.8125rem;
  user-select: none;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(6px) scale(0.95);
  transition: opacity 0.18s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Arrow indicator */
.nh-selection-popover::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
}

.nh-selection-popover.arrow-bottom::after {
  bottom: -12px;
  border-top-color: #1e293b;
}

.nh-selection-popover.arrow-top::after {
  top: -12px;
  border-bottom-color: #1e293b;
}

.nh-popover-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  color: #f8fafc;
  padding: 5px 10px;
  border-radius: 16px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.nh-popover-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.nh-popover-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.nh-popover-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Inline Highlight Markings on Article
   -------------------------------------------------------------------------- */
mark.nh-highlight {
  background-color: rgba(250, 204, 21, 0.3);
  color: inherit;
  border-bottom: 2px solid rgba(234, 179, 8, 0.7);
  padding: 1px 2px;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  position: relative;
}

html.dark mark.nh-highlight {
  background-color: rgba(234, 179, 8, 0.25);
  border-bottom-color: rgba(250, 204, 21, 0.6);
}

mark.nh-highlight:hover {
  background-color: rgba(250, 204, 21, 0.5);
}

html.dark mark.nh-highlight:hover {
  background-color: rgba(234, 179, 8, 0.45);
}

/* --------------------------------------------------------------------------
   Highlight Details Popover (on click of existing highlight)
   -------------------------------------------------------------------------- */
.nh-detail-popover {
  position: absolute;
  z-index: 1050;
  max-width: 320px;
  width: calc(100vw - 32px);
  background: #ffffff;
  color: #1e293b;
  padding: 12px;
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.85rem;
  line-height: 1.45;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

html.dark .nh-detail-popover {
  background: #1e293b;
  color: #f1f5f9;
  border-color: rgba(255, 255, 255, 0.15);
}

.nh-detail-popover.visible {
  opacity: 1;
  transform: translateY(0);
}

.nh-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.8rem;
}

.nh-detail-author {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
}

.nh-detail-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(140, 140, 140, 0.2);
}

.nh-detail-time {
  opacity: 0.6;
  font-size: 0.75rem;
}

.nh-detail-comment {
  margin: 6px 0 8px 0;
  padding: 6px 8px;
  background: rgba(140, 140, 140, 0.08);
  border-left: 3px solid #3b82f6;
  border-radius: 4px;
  font-size: 0.825rem;
}

.nh-detail-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(140, 140, 140, 0.15);
  font-size: 0.75rem;
}

.nh-detail-link {
  color: #3b82f6;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.nh-detail-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Modals (Quote & Auth)
   -------------------------------------------------------------------------- */
.nh-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nh-modal-backdrop.visible {
  opacity: 1;
}

.nh-modal-content {
  background: #ffffff;
  color: #0f172a;
  width: 100%;
  max-width: 480px;
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 0, 0, 0.1);
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

html.dark .nh-modal-content {
  background: #1e293b;
  color: #f8fafc;
  border-color: rgba(255, 255, 255, 0.15);
}

.nh-modal-backdrop.visible .nh-modal-content {
  transform: scale(1);
}

.nh-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.nh-modal-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nh-modal-close {
  background: transparent;
  border: none;
  font-size: 1.35rem;
  line-height: 1;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  padding: 4px;
}

.nh-modal-close:hover {
  opacity: 1;
}

.nh-quote-preview {
  margin: 0 0 1rem 0;
  padding: 8px 12px;
  background: rgba(140, 140, 140, 0.08);
  border-left: 3px solid #eab308;
  border-radius: 4px;
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.5;
  max-height: 120px;
  overflow-y: auto;
}

.nh-textarea {
  width: 100%;
  box-sizing: border-box;
  min-height: 85px;
  background: rgba(140, 140, 140, 0.06);
  border: 1px solid rgba(140, 140, 140, 0.25);
  border-radius: 8px;
  color: inherit;
  padding: 10px;
  font-size: 0.925rem;
  font-family: inherit;
  resize: vertical;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.nh-textarea:focus {
  outline: none;
  border-color: #3b82f6;
}

.nh-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
}

.nh-status {
  font-size: 0.8rem;
  opacity: 0.8;
}

.nh-status.error {
  color: #ef4444;
  opacity: 1;
}

.nh-status.success {
  color: #10b981;
  opacity: 1;
}

.nh-btn-row {
  display: flex;
  gap: 8px;
}

.nh-btn {
  background: rgba(140, 140, 140, 0.15);
  border: 1px solid rgba(140, 140, 140, 0.25);
  border-radius: 6px;
  color: inherit;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nh-btn:hover:not(:disabled) {
  background: rgba(140, 140, 140, 0.25);
}

.nh-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nh-btn-primary {
  background: #3b82f6;
  border-color: #2563eb;
  color: #ffffff;
}

.nh-btn-primary:hover:not(:disabled) {
  background: #2563eb;
}

/* Toast notification */
.nh-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2500;
  background: #1e293b;
  color: #f8fafc;
  padding: 10px 16px;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.nh-toast.visible {
  opacity: 1;
  transform: translateY(0);
}