/* Advanced Header Block Styles */
.nx-advanced-header {
  line-height: inherit;
  color: inherit;
}

/* Icon styling */
.nx-header-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
span.nx-advanced-header {
  display: inline-block;
}
.nx-advanced-header + .nx-advanced-header {
  margin-top: 0 !important;
}

.nx-header-icon svg {
  width: inherit;
  height: inherit;
  fill: currentColor;
  display: block;
}

/* Flex layout support */
.nx-advanced-header[style*="display: flex"] {
  align-items: center;
}

.nx-advanced-header[style*="display: flex"] .nx-header-icon {
  flex-shrink: 0;
}

/* Responsive utilities */
@media (max-width: 767px) {
  .nx-advanced-header {
    /* Mobile-specific styles will be injected inline by PHP */
    word-break: break-word;
  }
}

/* Editor styles */
.editor-styles-wrapper .nx-advanced-header {
  position: relative;
  margin-bottom: 1em;
}

.editor-styles-wrapper .nx-advanced-header:last-child {
  margin-bottom: 0;
}

.editor-styles-wrapper .nx-header-icon {
  pointer-events: none;
}

/* Icon preset buttons in editor */
.nx-icon-preset-button {
  transition: all 0.2s ease;
  border-radius: 4px !important;
}

.nx-icon-preset-button:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nx-icon-preset-button:focus {
  outline: 2px solid #007cba;
  outline-offset: 2px;
}

/* Typography utilities */
.nx-advanced-header.has-text-align-left {
  text-align: left;
}

.nx-advanced-header.has-text-align-center {
  text-align: center;
}

.nx-advanced-header.has-text-align-right {
  text-align: right;
}

.nx-advanced-header.has-text-align-justify {
  text-align: justify;
}

/* Font weight utilities */
.nx-advanced-header.has-font-weight-100 { font-weight: 100; }
.nx-advanced-header.has-font-weight-200 { font-weight: 200; }
.nx-advanced-header.has-font-weight-300 { font-weight: 300; }
.nx-advanced-header.has-font-weight-400 { font-weight: 400; }
.nx-advanced-header.has-font-weight-500 { font-weight: 500; }
.nx-advanced-header.has-font-weight-600 { font-weight: 600; }
.nx-advanced-header.has-font-weight-700 { font-weight: 700; }
.nx-advanced-header.has-font-weight-800 { font-weight: 800; }
.nx-advanced-header.has-font-weight-900 { font-weight: 900; }

/* Text transform utilities */
.nx-advanced-header.has-text-transform-uppercase { text-transform: uppercase; }
.nx-advanced-header.has-text-transform-lowercase { text-transform: lowercase; }
.nx-advanced-header.has-text-transform-capitalize { text-transform: capitalize; }

/* Performance optimizations */
.nx-header-icon svg {
  will-change: transform;
  backface-visibility: hidden;
}

/* Accessibility improvements */
.nx-advanced-header:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.nx-advanced-header:focus-visible {
  outline: 2px solid currentColor;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .nx-header-icon svg {
    stroke-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .nx-icon-preset-button {
    transition: none;
  }
  
  .nx-icon-preset-button:hover {
    transform: none;
  }
}

/* Print styles */
@media print {
  .nx-advanced-header {
    color: black !important;
    background: transparent !important;
  }
  
  .nx-header-icon svg {
    fill: black !important;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .editor-styles-wrapper .nx-icon-preset-button {
    background: #2d2d2d;
    border-color: #444;
    color: #fff;
  }
  
  .editor-styles-wrapper .nx-icon-preset-button:hover {
    background: #3d3d3d;
  }
}

/* RTL support */
[dir="rtl"] .nx-header-icon {
  transform: scaleX(-1);
}

[dir="rtl"] .nx-advanced-header[style*="flex-direction: row"] .nx-header-icon:first-child {
  margin-right: 0;
  margin-left: var(--icon-spacing, 10px);
}

[dir="rtl"] .nx-advanced-header[style*="flex-direction: row"] .nx-header-icon:last-child {
  margin-left: 0;
  margin-right: var(--icon-spacing, 10px);
}

/* Loading states */
.nx-advanced-header[data-loading="true"] {
  opacity: 0.7;
  pointer-events: none;
}

/* Error states */
.nx-advanced-header.has-error {
  color: #d63638;
  border-left: 3px solid #d63638;
  padding-left: 12px;
}

/* Success states */
.nx-advanced-header.has-success {
  color: #00a32a;
  border-left: 3px solid #00a32a;
  padding-left: 12px;
}