/*
Theme Name: FieldLog Blog
Description: A custom WordPress theme designed to match the FieldLog web application's visual identity. Features a professional dark/light theme system, responsive design, horizontal navigation layout, mobile navigation, reading progress, breadcrumbs, and seamless integration with the FieldLog brand.
Author: FieldLog Team
Version: 1.2.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Tags: blog, custom-header, custom-menu, featured-images, flexible-header, post-formats, sticky-post, theme-options, threaded-comments, translation-ready, two-columns
Text Domain: fieldlog-blog
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
*/

/* ================================
   RESET & BASE STYLES
   ================================ */

/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ================================
   FIELDLOG DESIGN SYSTEM
   ================================ */

:root {
    /* Primary Colors - FieldLog Green */
    --fl-primary: #6a8472;
    --fl-primary-light: #7d9585;
    --fl-primary-dark: #5a7062;
    --fl-primary-hover: #8ba595;
    
    /* Neutral Colors */
    --fl-white: #ffffff;
    --fl-gray-50: #f9fafb;
    --fl-gray-100: #f3f4f6;
    --fl-gray-200: #e5e7eb;
    --fl-gray-300: #d1d5db;
    --fl-gray-400: #9ca3af;
    --fl-gray-500: #6b7280;
    --fl-gray-600: #4b5563;
    --fl-gray-700: #374151;
    --fl-gray-800: #1f2937;
    --fl-gray-900: #111827;
    
    /* Status Colors */
    --fl-success: #10b981;
    --fl-warning: #f59e0b;
    --fl-error: #ef4444;
    --fl-info: #3b82f6;
    
    /* Typography */
    --fl-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fl-font-mono: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    
    /* Font Sizes */
    --fl-text-xs: 0.75rem;    /* 12px */
    --fl-text-sm: 0.875rem;   /* 14px */
    --fl-text-base: 1rem;     /* 16px */
    --fl-text-lg: 1.125rem;   /* 18px */
    --fl-text-xl: 1.25rem;    /* 20px */
    --fl-text-2xl: 1.5rem;    /* 24px */
    --fl-text-3xl: 1.875rem;  /* 30px */
    --fl-text-4xl: 2.25rem;   /* 36px */
    --fl-text-5xl: 3rem;      /* 48px */
    
    /* Font Weights */
    --fl-font-normal: 400;
    --fl-font-medium: 500;
    --fl-font-semibold: 600;
    --fl-font-bold: 700;
    
    /* Spacing Scale */
    --fl-space-1: 0.25rem;   /* 4px */
    --fl-space-2: 0.5rem;    /* 8px */
    --fl-space-3: 0.75rem;   /* 12px */
    --fl-space-4: 1rem;      /* 16px */
    --fl-space-5: 1.25rem;   /* 20px */
    --fl-space-6: 1.5rem;    /* 24px */
    --fl-space-8: 2rem;      /* 32px */
    --fl-space-10: 2.5rem;   /* 40px */
    --fl-space-12: 3rem;     /* 48px */
    --fl-space-16: 4rem;     /* 64px */
    --fl-space-20: 5rem;     /* 80px */
    --fl-space-24: 6rem;     /* 96px */
    
    /* Border Radius */
    --fl-radius-sm: 0.25rem;  /* 4px */
    --fl-radius: 0.375rem;    /* 6px */
    --fl-radius-md: 0.5rem;   /* 8px */
    --fl-radius-lg: 0.75rem;  /* 12px */
    --fl-radius-xl: 1rem;     /* 16px */
    
    /* Shadows */
    --fl-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --fl-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --fl-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --fl-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Z-index Scale */
    --fl-z-dropdown: 1000;
    --fl-z-sticky: 1020;
    --fl-z-fixed: 1030;
    --fl-z-modal: 1040;
    --fl-z-popover: 1050;
    --fl-z-tooltip: 1060;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --fl-bg-primary: var(--fl-gray-900);
    --fl-bg-secondary: var(--fl-gray-800);
    --fl-bg-tertiary: var(--fl-gray-700);
    --fl-text-primary: var(--fl-white);
    --fl-text-secondary: var(--fl-gray-300);
    --fl-text-tertiary: var(--fl-gray-400);
    --fl-border-color: var(--fl-gray-600);
    --fl-border-light: var(--fl-gray-700);
}

/* Light Mode Variables */
[data-theme="light"], :root {
    --fl-bg-primary: var(--fl-white);
    --fl-bg-secondary: var(--fl-gray-50);
    --fl-bg-tertiary: var(--fl-gray-100);
    --fl-text-primary: var(--fl-gray-900);
    --fl-text-secondary: var(--fl-gray-700);
    --fl-text-tertiary: var(--fl-gray-500);
    --fl-border-color: var(--fl-gray-200);
    --fl-border-light: var(--fl-gray-100);
}

/* ================================
   BASE STYLES
   ================================ */

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--fl-font-family);
    font-size: var(--fl-text-base);
    font-weight: var(--fl-font-normal);
    line-height: 1.6;
    color: var(--fl-text-primary);
    background-color: var(--fl-bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================
   TYPOGRAPHY
   ================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--fl-font-family);
    font-weight: var(--fl-font-semibold);
    line-height: 1.3;
    color: var(--fl-text-primary);
    margin-bottom: var(--fl-space-4);
}

h1 { font-size: var(--fl-text-4xl); }
h2 { font-size: var(--fl-text-3xl); }
h3 { font-size: var(--fl-text-2xl); }
h4 { font-size: var(--fl-text-xl); }
h5 { font-size: var(--fl-text-lg); }
h6 { font-size: var(--fl-text-base); }

p {
    margin-bottom: var(--fl-space-4);
    color: var(--fl-text-secondary);
}

a {
    color: var(--fl-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--fl-primary-hover);
}

/* ================================
   LAYOUT COMPONENTS
   ================================ */

.fl-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--fl-space-4);
}

.fl-container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--fl-space-4);
}

.fl-grid {
    display: grid;
    gap: var(--fl-space-6);
}

.fl-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.fl-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ================================
   HEADER & NAVIGATION
   ================================ */

.fl-header {
    background-color: var(--fl-bg-primary);
    border-bottom: 1px solid var(--fl-border-color);
    position: sticky;
    top: 0;
    z-index: var(--fl-z-sticky);
    transition: all 0.3s ease;
}

.fl-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--fl-space-4) 0;
}

.fl-logo {
    display: flex;
    align-items: center;
    gap: var(--fl-space-3);
    font-size: var(--fl-text-xl);
    font-weight: var(--fl-font-bold);
    color: var(--fl-text-primary);
    text-decoration: none;
}

.fl-logo img {
    height: 32px;
    width: auto;
}

.fl-nav {
    display: flex;
    gap: var(--fl-space-6);
}

/* Desktop Navigation Layout */
.fl-nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--fl-space-4);
}

/* Mobile Menu Toggle - Hidden on Desktop */
.fl-mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--fl-space-2);
}

.fl-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--fl-space-4);
}

.fl-nav-menu li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.fl-nav-menu a {
    color: var(--fl-text-secondary);
    font-weight: var(--fl-font-medium);
    padding: var(--fl-space-2) var(--fl-space-3);
    border-radius: var(--fl-radius);
    transition: all 0.2s ease;
    text-decoration: none;
    display: block;
}

.fl-nav-menu a:hover,
.fl-nav-menu .current-menu-item a,
.fl-nav-menu .current_page_item a {
    color: var(--fl-primary);
    background-color: var(--fl-bg-secondary);
}

/* Legacy nav styles for backward compatibility */
.fl-nav a {
    color: var(--fl-text-secondary);
    font-weight: var(--fl-font-medium);
    padding: var(--fl-space-2) var(--fl-space-3);
    border-radius: var(--fl-radius);
    transition: all 0.2s ease;
}

.fl-nav a:hover,
.fl-nav a.current {
    color: var(--fl-primary);
    background-color: var(--fl-bg-secondary);
}

.fl-theme-toggle {
    background: none;
    border: 1px solid var(--fl-border-color);
    border-radius: var(--fl-radius);
    padding: var(--fl-space-2);
    cursor: pointer;
    color: var(--fl-text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--fl-space-2);
}

.fl-theme-toggle:hover {
    background-color: var(--fl-bg-secondary);
    color: var(--fl-text-primary);
}

/* Mobile Menu Toggle - Hidden on Desktop */
.fl-mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--fl-space-2);
}

.fl-hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--fl-text-primary);
    transition: all 0.3s ease;
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(2) {
    opacity: 0;
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ================================
   MAIN CONTENT AREA
   ================================ */

.fl-main {
    min-height: calc(100vh - 200px);
    padding: var(--fl-space-8) 0;
}

.fl-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--fl-space-8);
    align-items: start;
}

.fl-content {
    background-color: var(--fl-bg-primary);
}

/* ================================
   POST STYLES
   ================================ */

.fl-post {
    background-color: var(--fl-bg-primary);
    border: 1px solid var(--fl-border-color);
    border-radius: var(--fl-radius-lg);
    padding: var(--fl-space-6);
    margin-bottom: var(--fl-space-6);
    transition: all 0.3s ease;
}

.fl-post:hover {
    box-shadow: var(--fl-shadow-md);
    transform: translateY(-2px);
}

.fl-post-header {
    margin-bottom: var(--fl-space-4);
}

.fl-post-title {
    margin-bottom: var(--fl-space-2);
}

.fl-post-title a {
    color: var(--fl-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.fl-post-title a:hover {
    color: var(--fl-primary);
}

.fl-post-meta {
    display: flex;
    gap: var(--fl-space-4);
    font-size: var(--fl-text-sm);
    color: var(--fl-text-tertiary);
    margin-bottom: var(--fl-space-4);
}

.fl-post-meta span {
    display: flex;
    align-items: center;
    gap: var(--fl-space-1);
}

.fl-post-content {
    line-height: 1.7;
}

.fl-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--fl-radius);
    margin: var(--fl-space-4) 0;
}

.fl-post-footer {
    margin-top: var(--fl-space-6);
    padding-top: var(--fl-space-4);
    border-top: 1px solid var(--fl-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fl-post-tags {
    display: flex;
    gap: var(--fl-space-2);
    flex-wrap: wrap;
}

.fl-tag {
    background-color: var(--fl-bg-secondary);
    color: var(--fl-text-secondary);
    padding: var(--fl-space-1) var(--fl-space-3);
    border-radius: var(--fl-radius-sm);
    font-size: var(--fl-text-xs);
    font-weight: var(--fl-font-medium);
    text-decoration: none;
    transition: all 0.2s ease;
}

.fl-tag:hover {
    background-color: var(--fl-primary);
    color: var(--fl-white);
}

/* ================================
   SIDEBAR
   ================================ */

.fl-sidebar {
    background-color: var(--fl-bg-primary);
}

.fl-widget {
    background-color: var(--fl-bg-secondary);
    border: 1px solid var(--fl-border-color);
    border-radius: var(--fl-radius-lg);
    padding: var(--fl-space-5);
    margin-bottom: var(--fl-space-6);
}

.fl-widget-title {
    font-size: var(--fl-text-lg);
    font-weight: var(--fl-font-semibold);
    color: var(--fl-text-primary);
    margin-bottom: var(--fl-space-4);
    padding-bottom: var(--fl-space-2);
    border-bottom: 2px solid var(--fl-primary);
}

.fl-widget ul {
    list-style: none;
}

.fl-widget li {
    margin-bottom: var(--fl-space-2);
}

.fl-widget a {
    color: var(--fl-text-secondary);
    transition: color 0.2s ease;
}

.fl-widget a:hover {
    color: var(--fl-primary);
}

/* ================================
   FOOTER
   ================================ */

.fl-footer {
    background-color: var(--fl-bg-secondary);
    border-top: 1px solid var(--fl-border-color);
    margin-top: var(--fl-space-16);
    padding: var(--fl-space-12) 0 var(--fl-space-8) 0;
}

.fl-footer-widgets {
    margin-bottom: var(--fl-space-8);
    padding-bottom: var(--fl-space-8);
    border-bottom: 1px solid var(--fl-border-color);
}

.fl-footer-widget-area {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--fl-space-8);
}

.fl-footer-widget {
    margin-bottom: var(--fl-space-6);
}

.fl-footer-widget:last-child {
    margin-bottom: 0;
}

.fl-footer-widget-title {
    color: var(--fl-text-primary);
    font-size: var(--fl-text-base);
    font-weight: 600;
    margin-bottom: var(--fl-space-3);
    line-height: 1.4;
}

.fl-footer-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fl-footer-widget ul li {
    margin-bottom: var(--fl-space-2);
}

.fl-footer-widget ul li:last-child {
    margin-bottom: 0;
}

.fl-footer-widget a {
    color: var(--fl-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.fl-footer-widget a:hover {
    color: var(--fl-primary);
}

.fl-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--fl-space-4);
    color: var(--fl-text-tertiary);
    font-size: var(--fl-text-sm);
}

.fl-footer-info {
    flex: 1;
}

.fl-footer-info p {
    margin: 0 0 var(--fl-space-2) 0;
}

.fl-footer-info p:last-child {
    margin-bottom: 0;
}

.fl-footer-social {
    display: flex;
    gap: var(--fl-space-4);
    align-items: center;
}

.fl-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--fl-bg-tertiary);
    color: var(--fl-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.fl-social-link:hover {
    background-color: var(--fl-primary);
    color: white;
    transform: translateY(-2px);
}

.fl-footer a {
    color: var(--fl-primary);
}

/* ================================
   BUTTONS & FORMS
   ================================ */

.fl-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--fl-space-2);
    padding: var(--fl-space-3) var(--fl-space-5);
    background-color: var(--fl-primary);
    color: var(--fl-white);
    border: none;
    border-radius: var(--fl-radius);
    font-weight: var(--fl-font-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.fl-btn:hover {
    background-color: var(--fl-primary-hover);
    color: var(--fl-white);
    transform: translateY(-1px);
    box-shadow: var(--fl-shadow-md);
}

.fl-btn-secondary {
    background-color: var(--fl-bg-secondary);
    color: var(--fl-text-primary);
    border: 1px solid var(--fl-border-color);
}

.fl-btn-secondary:hover {
    background-color: var(--fl-bg-tertiary);
    color: var(--fl-text-primary);
}

/* ================================
   SEARCH FORM
   ================================ */

.fl-search-form {
    display: flex;
    gap: var(--fl-space-2);
    margin-bottom: var(--fl-space-4);
}

.fl-search-input {
    flex: 1;
    padding: var(--fl-space-3);
    border: 1px solid var(--fl-border-color);
    border-radius: var(--fl-radius);
    background-color: var(--fl-bg-primary);
    color: var(--fl-text-primary);
    font-family: var(--fl-font-family);
}

.fl-search-input:focus {
    outline: none;
    border-color: var(--fl-primary);
    box-shadow: 0 0 0 3px rgba(106, 132, 114, 0.1);
}

/* ================================
   PAGINATION
   ================================ */

.fl-pagination {
    display: flex;
    justify-content: center;
    gap: var(--fl-space-2);
    margin: var(--fl-space-8) 0;
}

.fl-pagination a,
.fl-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--fl-border-color);
    border-radius: var(--fl-radius);
    color: var(--fl-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.fl-pagination a:hover,
.fl-pagination .current {
    background-color: var(--fl-primary);
    color: var(--fl-white);
    border-color: var(--fl-primary);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 768px) {
    .fl-container {
        padding: 0 var(--fl-space-3);
    }
    
    .fl-header-content {
        flex-direction: column;
        gap: var(--fl-space-4);
    }
    
    .fl-nav {
        gap: var(--fl-space-4);
    }
    
    .fl-content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--fl-space-6);
    }
    
    .fl-post {
        padding: var(--fl-space-4);
    }
    
    .fl-post-footer {
        flex-direction: column;
        gap: var(--fl-space-4);
        align-items: flex-start;
    }
    
    .fl-footer-widget-area {
        grid-template-columns: 1fr;
        gap: var(--fl-space-6);
    }
    
    .fl-footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--fl-space-4);
    }
    
    .fl-footer-social {
        justify-content: center;
    }
    
    h1 { font-size: var(--fl-text-3xl); }
    h2 { font-size: var(--fl-text-2xl); }
    h3 { font-size: var(--fl-text-xl); }
}

@media (max-width: 480px) {
    .fl-nav {
        flex-direction: column;
        gap: var(--fl-space-2);
    }
    
    .fl-post-meta {
        flex-direction: column;
        gap: var(--fl-space-2);
    }
    
    .fl-search-form {
        flex-direction: column;
    }
}

/* ================================
   UTILITIES
   ================================ */

.fl-text-center { text-align: center; }
.fl-text-left { text-align: left; }
.fl-text-right { text-align: right; }

.fl-mt-0 { margin-top: 0; }
.fl-mt-2 { margin-top: var(--fl-space-2); }
.fl-mt-4 { margin-top: var(--fl-space-4); }
.fl-mt-6 { margin-top: var(--fl-space-6); }
.fl-mt-8 { margin-top: var(--fl-space-8); }

.fl-mb-0 { margin-bottom: 0; }
.fl-mb-2 { margin-bottom: var(--fl-space-2); }
.fl-mb-4 { margin-bottom: var(--fl-space-4); }
.fl-mb-6 { margin-bottom: var(--fl-space-6); }
.fl-mb-8 { margin-bottom: var(--fl-space-8); }

.fl-hidden { display: none; }
.fl-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ================================
   DARK MODE TRANSITIONS
   ================================ */

* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    .fl-header,
    .fl-sidebar,
    .fl-footer,
    .fl-theme-toggle {
        display: none;
    }
    
    .fl-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .fl-post {
        border: none;
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* ================================
   ENHANCED MOBILE FEATURES
   ================================ */

/* Reading Progress Bar */
.fl-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--fl-primary), var(--fl-primary-hover));
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Mobile Navigation Enhancements */
.fl-mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.fl-mobile-menu-toggle:hover {
    background-color: var(--fl-bg-tertiary);
}

.fl-hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--fl-text-primary);
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(2) {
    opacity: 0;
}

.fl-mobile-menu-toggle[aria-expanded="true"] .fl-hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation Overlay */
.fl-nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 80vw;
    height: 100vh;
    background: var(--fl-surface);
    border-left: 1px solid var(--fl-border-color);
    z-index: 9998;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.fl-nav-mobile.is-open {
    right: 0;
}

.fl-nav-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--fl-space-4) var(--fl-space-5);
    border-bottom: 1px solid var(--fl-border-color);
    background: var(--fl-bg-secondary);
}

.fl-nav-mobile-title {
    font-weight: 600;
    color: var(--fl-text-primary);
}

.fl-nav-mobile-close {
    background: none;
    border: none;
    color: var(--fl-text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.fl-nav-mobile-close:hover {
    background-color: var(--fl-bg-tertiary);
    color: var(--fl-text-primary);
}

.fl-nav-menu-mobile {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fl-nav-menu-mobile li {
    border-bottom: 1px solid var(--fl-border-color);
}

.fl-nav-menu-mobile a {
    display: block;
    padding: var(--fl-space-4) var(--fl-space-5);
    color: var(--fl-text-primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
    font-weight: 500;
}

.fl-nav-menu-mobile a:hover,
.fl-nav-menu-mobile .current-menu-item a {
    background-color: var(--fl-bg-tertiary);
    color: var(--fl-primary);
}

.fl-nav-mobile-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--fl-space-4) var(--fl-space-5);
    border-top: 1px solid var(--fl-border-color);
    background: var(--fl-bg-secondary);
}

.fl-theme-toggle-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: 1px solid var(--fl-border-color);
    border-radius: 8px;
    padding: var(--fl-space-3) var(--fl-space-4);
    color: var(--fl-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.fl-theme-toggle-mobile:hover {
    border-color: var(--fl-primary);
    background-color: var(--fl-bg-tertiary);
}

.fl-theme-label {
    font-size: var(--fl-text-sm);
    font-weight: 500;
}

.fl-theme-icons {
    display: flex;
    gap: var(--fl-space-2);
}

/* Mobile Navigation Backdrop */
.fl-nav-mobile-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9997;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.fl-nav-mobile-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

/* Enhanced Post Cards with Hover Effects */
.fl-post-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.fl-post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, var(--fl-primary) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.fl-post-card:hover::before {
    opacity: 0.03;
}

.fl-post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Back to Top Button */
.fl-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--fl-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(106, 132, 114, 0.3);
}

.fl-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fl-back-to-top:hover {
    background: var(--fl-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(106, 132, 114, 0.4);
}

/* Enhanced Search Form */
.fl-search-form-enhanced {
    position: relative;
    max-width: 400px;
    margin: var(--fl-space-6) auto;
}

.fl-search-form-enhanced .fl-search-input {
    width: 100%;
    padding: var(--fl-space-3) var(--fl-space-12) var(--fl-space-3) var(--fl-space-4);
    border: 2px solid var(--fl-border-color);
    border-radius: 25px;
    background: var(--fl-surface);
    font-size: var(--fl-text-base);
    transition: all 0.3s ease;
}

.fl-search-form-enhanced .fl-search-input:focus {
    border-color: var(--fl-primary);
    background: var(--fl-background);
    box-shadow: 0 0 0 4px rgba(106, 132, 114, 0.1);
}

.fl-search-form-enhanced .fl-search-submit {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--fl-primary);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.fl-search-form-enhanced .fl-search-submit:hover {
    background: var(--fl-primary-dark);
    transform: translateY(-50%) scale(1.05);
}

/* Breadcrumb Navigation */
.fl-breadcrumbs {
    background: var(--fl-bg-secondary);
    padding: var(--fl-space-3) 0;
    border-bottom: 1px solid var(--fl-border-color);
    font-size: var(--fl-text-sm);
}

.fl-breadcrumbs ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--fl-space-2);
}

.fl-breadcrumbs li {
    display: flex;
    align-items: center;
}

.fl-breadcrumbs li:not(:last-child)::after {
    content: '›';
    margin-left: var(--fl-space-2);
    color: var(--fl-text-muted);
    font-weight: bold;
}

.fl-breadcrumbs a {
    color: var(--fl-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.fl-breadcrumbs a:hover {
    color: var(--fl-primary);
}

.fl-breadcrumbs .current {
    color: var(--fl-text-primary);
    font-weight: 500;
}

/* Enhanced Mobile Responsive Breakpoints */
@media (max-width: 768px) {
    .fl-nav-desktop {
        display: none;
    }
    
    .fl-mobile-menu-toggle {
        display: flex;
    }
    
    .fl-reading-progress {
        height: 2px;
    }
    
    .fl-back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .fl-nav-mobile {
        width: 280px;
    }
}

@media (max-width: 480px) {
    .fl-nav-mobile {
        width: 100%;
        max-width: none;
    }
    
    .fl-back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

/* High DPI / Retina Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .fl-logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    .fl-reading-progress,
    .fl-post-card,
    .fl-back-to-top,
    .fl-nav-mobile,
    .fl-hamburger-line {
        transition: none;
    }
}

/* Enhanced Dark Mode Transitions */
[data-theme="dark"] .fl-nav-mobile {
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .fl-nav-mobile-backdrop {
    background: rgba(0, 0, 0, 0.7);
}