/**
 * Block Styles - Custom style presets for core blocks
 * 
 * Liquid Glass effect based on Apple's design system and glassmorphism principles:
 * - backdrop-filter: blur() saturate() for the frosted glass effect
 * - Semi-transparent backgrounds that let content show through
 * - Subtle borders and shadows for depth
 * - Light inner glow for the glass edge effect
 * 
 * @package WebtronDocs
 * @version 1.1.0
 */

/* ============================================================================
   LIQUID GLASS - CSS CUSTOM PROPERTIES
   ============================================================================ */
:root {
    /* Liquid Glass Core - based on ui.glass generator recommendations */
    --liquid-glass-bg: rgba(17, 25, 40, 0.75);
    --liquid-glass-bg-lighter: rgba(17, 25, 40, 0.65);
    --liquid-glass-bg-solid: rgba(17, 25, 40, 0.88);
    --liquid-glass-border: rgba(255, 255, 255, 0.125);
    --liquid-glass-border-glow: rgba(255, 255, 255, 0.2);
    --liquid-glass-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.37),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    --liquid-glass-blur: blur(16px) saturate(180%);
    --liquid-glass-blur-strong: blur(20px) saturate(200%);
    --liquid-glass-radius: 12px;
    --liquid-glass-radius-sm: 8px;
    --liquid-glass-radius-lg: 16px;
    
    /* Text colors for glass surfaces */
    --liquid-glass-text: #ffffff;
    --liquid-glass-text-muted: rgba(255, 255, 255, 0.7);
    
    /* Hover states */
    --liquid-glass-hover-bg: rgba(255, 255, 255, 0.1);
    --liquid-glass-active-bg: rgba(255, 255, 255, 0.15);
}


/* ============================================================================
   NAVIGATION - LIQUID GLASS STYLE
   ============================================================================ */

/* Base navigation container - FIT CONTENT, not full width */
.wp-block-navigation.is-style-liquid-glass {
    /* Reset any inherited backgrounds */
    background: var(--liquid-glass-bg) !important;
    background-color: var(--liquid-glass-bg) !important;
    
    /* Glassmorphism effect */
    backdrop-filter: var(--liquid-glass-blur);
    -webkit-backdrop-filter: var(--liquid-glass-blur);
    
    /* Border with subtle glow */
    border: 1px solid var(--liquid-glass-border) !important;
    border-radius: var(--liquid-glass-radius);
    
    /* Shadow for depth + inner glow */
    box-shadow: var(--liquid-glass-shadow);
    
    /* Fit content width with padding */
    width: fit-content !important;
    max-width: 100%;
    padding: 6px 12px !important;
    margin-left: auto;
    margin-right: auto;
    
    /* Ensure clean rendering */
    isolation: isolate;
    
    /* Override any WordPress inline styles */
    --wp--style--block-gap: 0;
}

/* Override the responsive container that WordPress adds backgrounds to */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container:not(.is-menu-open) {
    background: transparent !important;
    background-color: transparent !important;
}

/* Override WordPress layout class backgrounds - these add the grey colors */
.wp-block-navigation.is-style-liquid-glass.is-layout-flex,
.wp-block-navigation.is-style-liquid-glass.wp-block-navigation-is-layout-flex,
.wp-block-navigation.is-style-liquid-glass[class*="wp-container-core-navigation"] {
    background: var(--liquid-glass-bg) !important;
    background-color: var(--liquid-glass-bg) !important;
}

/* Override inner wrapper backgrounds */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container-content,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__container {
    background: transparent !important;
    background-color: transparent !important;
}

/* Navigation list container */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__container {
    gap: 4px;
}

/* Navigation links */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item__content {
    color: var(--liquid-glass-text) !important;
    padding: 10px 16px;
    border-radius: var(--liquid-glass-radius-sm);
    transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
    display: block;
}

/* Navigation items - for proper hover grouping */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item {
    display: flex;
    align-items: stretch;
    border-radius: var(--liquid-glass-radius-sm);
    transition: background 0.2s ease;
}

/* Hover the entire navigation item (covers both link and submenu toggle) */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item:hover,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item:focus-within {
    background: var(--liquid-glass-hover-bg);
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item:active {
    background: var(--liquid-glass-active-bg);
}

/* Remove individual hover on content since parent handles it */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item__content:hover,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item__content:focus {
    background: transparent;
    color: var(--liquid-glass-text) !important;
}

/* Submenu toggle button (the dropdown arrow) */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-icon {
    color: var(--liquid-glass-text-muted) !important;
    margin-left: 4px;
    width: 10px;
    height: 10px;
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-submenu__toggle {
    color: var(--liquid-glass-text-muted) !important;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    padding: 10px 12px 10px 0;
    margin-left: -8px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s ease;
    min-width: 24px;
}

/* Ensure SVG icon is visible */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-submenu__toggle svg {
    display: block !important;
    fill: currentColor;
    width: 10px;
    height: 10px;
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item:hover .wp-block-navigation__submenu-icon,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item:hover .wp-block-navigation-submenu__toggle {
    color: var(--liquid-glass-text) !important;
}


/* ============================================================================
   SUBMENU CONTAINERS - LIQUID GLASS
   ============================================================================ */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container {
    /* Reset and apply glass background */
    background: var(--liquid-glass-bg-solid) !important;
    background-color: var(--liquid-glass-bg-solid) !important;
    
    /* Glassmorphism */
    backdrop-filter: var(--liquid-glass-blur-strong);
    -webkit-backdrop-filter: var(--liquid-glass-blur-strong);
    
    /* Border and radius */
    border: 1px solid var(--liquid-glass-border) !important;
    border-radius: var(--liquid-glass-radius);
    
    /* Shadow with inner glow effect */
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    
    /* Padding */
    padding: 8px !important;
    
    /* Position: remove gap by using top: calc(100%) */
    top: 100% !important;
    margin-top: 0 !important;
    padding-top: 12px !important; /* Visual gap, but element touches parent */
    
    /* Animation initial state */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top center;
    transition: 
        opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        visibility 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Width */
    min-width: 200px;
    
    /* Isolation */
    isolation: isolate;
}

/* Parent item with submenu */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item.has-child {
    position: relative;
}

/* Invisible bridge to prevent hover gap - CRITICAL for submenu accessibility */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item.has-child > .wp-block-navigation-item__content::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 16px; /* Bridge height */
    background: transparent;
}

/* Show submenu on hover */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item.has-child:hover > .wp-block-navigation__submenu-container,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item.has-child:focus-within > .wp-block-navigation__submenu-container,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation-item.has-child.is-menu-open > .wp-block-navigation__submenu-container {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Submenu items */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container .wp-block-navigation-item {
    margin: 0;
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container .wp-block-navigation-item__content {
    padding: 10px 14px;
    color: var(--liquid-glass-text) !important;
    display: block;
    white-space: nowrap;
    border-radius: var(--liquid-glass-radius-sm);
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container .wp-block-navigation-item__content:hover,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container .wp-block-navigation-item__content:focus {
    background: var(--liquid-glass-hover-bg);
}

/* Nested submenus (flyout to the right) */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container .wp-block-navigation__submenu-container {
    top: -8px !important;
    left: 100% !important;
    margin-left: 4px;
    margin-top: 0 !important;
    padding-top: 8px !important;
}


/* ============================================================================
   MOBILE MENU - LIQUID GLASS
   ============================================================================ */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container {
    /* Ensure clean mobile menu */
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container.is-menu-open {
    background: var(--liquid-glass-bg-solid) !important;
    backdrop-filter: var(--liquid-glass-blur-strong);
    -webkit-backdrop-filter: var(--liquid-glass-blur-strong);
}

.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container-content {
    padding: 24px;
}

/* Mobile submenu */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__submenu-container {
    background: rgba(255, 255, 255, 0.06) !important;
    border: none !important;
    border-radius: var(--liquid-glass-radius-sm);
    box-shadow: none;
    margin: 8px 0 8px 16px;
    padding: 8px !important;
    position: static !important;
    opacity: 1;
    visibility: visible;
    transform: none;
}

/* Mobile menu button */
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container-open,
.wp-block-navigation.is-style-liquid-glass .wp-block-navigation__responsive-container-close {
    color: var(--liquid-glass-text);
}


/* ============================================================================
   GROUP BLOCK - LIQUID GLASS STYLE
   ============================================================================ */
.wp-block-group.is-style-liquid-glass {
    background: var(--liquid-glass-bg) !important;
    backdrop-filter: var(--liquid-glass-blur);
    -webkit-backdrop-filter: var(--liquid-glass-blur);
    border: 1px solid var(--liquid-glass-border);
    border-radius: var(--liquid-glass-radius);
    box-shadow: var(--liquid-glass-shadow);
    padding: 24px;
    color: var(--liquid-glass-text);
}

.wp-block-group.is-style-liquid-glass p,
.wp-block-group.is-style-liquid-glass li {
    color: var(--liquid-glass-text-muted);
}

.wp-block-group.is-style-liquid-glass h1,
.wp-block-group.is-style-liquid-glass h2,
.wp-block-group.is-style-liquid-glass h3,
.wp-block-group.is-style-liquid-glass h4,
.wp-block-group.is-style-liquid-glass h5,
.wp-block-group.is-style-liquid-glass h6 {
    color: var(--liquid-glass-text);
}


/* ============================================================================
   ROW BLOCK - LIQUID GLASS STYLE
   ============================================================================ */
.wp-block-row.is-style-liquid-glass {
    background: var(--liquid-glass-bg) !important;
    backdrop-filter: var(--liquid-glass-blur);
    -webkit-backdrop-filter: var(--liquid-glass-blur);
    border: 1px solid var(--liquid-glass-border);
    border-radius: var(--liquid-glass-radius);
    box-shadow: var(--liquid-glass-shadow);
    padding: 16px 24px;
    color: var(--liquid-glass-text);
}


/* ============================================================================
   FIREFOX FALLBACK
   Firefox has backdrop-filter disabled by default, provide solid fallback
   ============================================================================ */
@supports not (backdrop-filter: blur(16px)) {
    .wp-block-navigation.is-style-liquid-glass,
    .wp-block-navigation.is-style-liquid-glass .wp-block-navigation__submenu-container,
    .wp-block-group.is-style-liquid-glass,
    .wp-block-row.is-style-liquid-glass {
        background: rgba(17, 25, 40, 0.95) !important;
    }
}


/* ============================================================================
   RESPONSIVE STYLES
   ============================================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .wp-block-group.is-style-liquid-glass {
        padding: 20px;
    }
    
    .wp-block-row.is-style-liquid-glass {
        padding: 14px 20px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .wp-block-navigation.is-style-liquid-glass {
        padding: 4px 8px !important;
    }
    
    .wp-block-group.is-style-liquid-glass {
        padding: 16px;
        border-radius: var(--liquid-glass-radius-sm);
    }
    
    .wp-block-row.is-style-liquid-glass {
        padding: 12px 16px;
        border-radius: var(--liquid-glass-radius-sm);
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .wp-block-group.is-style-liquid-glass {
        padding: 12px;
    }
    
    .wp-block-row.is-style-liquid-glass {
        padding: 10px 12px;
    }
}