/*
Theme Name: SnifTag - Pet Care & Technology
Description: Comprehensive pet care and technology child theme optimized for Google AdSense approval. Features educational tools, professional design, and substantial content focused on pet care, technology, safety, and innovation. Built for family-safe, valuable content that provides real utility to pet owners.
Author: SnifTag Team
Version: 1.0.0
Template: oceanwp
License: GPL v2 or later
Text Domain: sniftag
Tags: pet-care, technology, tools, educational, family-friendly, responsive, adsense-ready
*/

/* =============================================================================
   THEME IMPORTS & PARENT STYLES
   ============================================================================= */
@import url("../oceanwp/style.css");

/* =============================================================================
   PROFESSIONAL COLOR SCHEME FOR PET CARE & TECHNOLOGY
   ============================================================================= */
:root {
    /* Primary Brand Colors - Trustworthy and Pet-Friendly */
    --primary-color: #2E7D7D;          /* Calming teal - trust & care */
    --secondary-color: #FF6B6B;        /* Warm coral - friendliness */
    --accent-color: #4ECDC4;           /* Bright teal - innovation */
    --success-color: #27AE60;          /* Success green */
    --warning-color: #F39C12;          /* Warning amber */
    --danger-color: #E74C3C;           /* Error red */

    /* Text Colors - High Readability */
    --text-primary: #2C3E50;           /* Dark blue-gray for main text */
    --text-secondary: #5D6D7E;         /* Medium gray for secondary text */
    --text-muted: #85929E;             /* Light gray for muted text */
    --text-light: #FFFFFF;             /* White text for dark backgrounds */

    /* Background Colors */
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;               /* Very light gray */
    --bg-gray: #ECF0F1;                /* Light gray */
    --bg-dark: #34495E;                /* Dark blue-gray */

    /* Pet Care Specific Colors */
    --pet-primary: #2E7D7D;            /* Main pet care color */
    --pet-secondary: #FF6B6B;          /* Warm, friendly accent */
    --pet-technology: #3498DB;         /* Technology blue */
    --pet-safety: #E67E22;             /* Safety orange */
    --pet-health: #27AE60;             /* Health green */

    /* Border & Shadow Variables */
    --border-color: #E0E6ED;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Shadow System */
    --shadow-sm: 0 2px 4px rgba(46, 125, 125, 0.08);
    --shadow-md: 0 4px 8px rgba(46, 125, 125, 0.12);
    --shadow-lg: 0 8px 16px rgba(46, 125, 125, 0.16);
    --shadow-xl: 0 12px 24px rgba(46, 125, 125, 0.20);

    /* Spacing System */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Typography Scale */
    --font-size-xs: 0.75rem;          /* 12px */
    --font-size-sm: 0.875rem;         /* 14px */
    --font-size-base: 1rem;           /* 16px */
    --font-size-lg: 1.125rem;         /* 18px */
    --font-size-xl: 1.25rem;          /* 20px */
    --font-size-2xl: 1.5rem;          /* 24px */
    --font-size-3xl: 1.875rem;        /* 30px */
    --font-size-4xl: 2.25rem;         /* 36px */
    --font-size-5xl: 3rem;            /* 48px */

    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Transition */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* =============================================================================
   GLOBAL TYPOGRAPHY & BASE STYLES
   ============================================================================= */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); margin-bottom: var(--spacing-lg); }
h2 { font-size: var(--font-size-4xl); margin-bottom: var(--spacing-lg); }
h3 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-md); }
h4 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-md); }
h5 { font-size: var(--font-size-xl); margin-bottom: var(--spacing-sm); }
h6 { font-size: var(--font-size-lg); margin-bottom: var(--spacing-sm); }

/* Professional Paragraph Styling */
p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover, a:focus {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
    line-height: var(--line-height-relaxed);
}

/* =============================================================================
   RESPONSIVE CONTAINER SYSTEM
   ============================================================================= */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
    .container { padding: 0 var(--spacing-lg); }
}

@media (min-width: 1024px) {
    .container { padding: 0 var(--spacing-xl); }
}

/* =============================================================================
   BUTTON SYSTEM
   ============================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: var(--spacing-sm);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-light);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--pet-technology);
    border-color: var(--pet-technology);
    color: var(--text-light);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* =============================================================================
   CARD SYSTEM
   ============================================================================= */
.card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

/* Background Colors */
.bg-primary { background-color: var(--primary-color); color: var(--text-light); }
.bg-secondary { background-color: var(--secondary-color); color: var(--text-light); }
.bg-light { background-color: var(--bg-light); }
.bg-gray { background-color: var(--bg-gray); }

/* Spacing Utilities */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox Utilities */
.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }

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

/* Mobile First Breakpoints */
@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
}

@media (min-width: 768px) {
    .d-md-block { display: block; }
    .d-md-flex { display: flex; }
    .d-md-none { display: none; }
}

@media (min-width: 1024px) {
    .d-lg-block { display: block; }
    .d-lg-flex { display: flex; }
    .d-lg-none { display: none; }
}

/* =============================================================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================================================= */

/* Focus States */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen Reader Only */
.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;
}

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =============================================================================
   FORM STYLES
   ============================================================================= */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 125, 0.1);
}

.form-control:invalid {
    border-color: var(--danger-color);
}

/* =============================================================================
   ADSENSE OPTIMIZATION STYLES
   ============================================================================= */

/* Ad Container Preparation */
.ad-container {
    margin: var(--spacing-xl) 0;
    text-align: center;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.ad-placeholder {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* Content Spacing for Ad Insertion */
.content-section {
    margin-bottom: var(--spacing-2xl);
}

.content-section:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xl);
}

/* =============================================================================
   PRINT STYLES
   ============================================================================= */
@media print {
    .no-print { display: none !important; }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: #000;
        page-break-after: avoid;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}

/* =============================================================================
   THEME-SPECIFIC OVERRIDES & COMPATIBILITY
   ============================================================================= */

/* Override OceanWP default styles where needed */
#site-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0 !important;
}

/* Make header more compact */
#site-header .header-inner {
    padding: var(--spacing-sm) 0;
}

#site-header .site-branding {
    padding: var(--spacing-xs) 0;
}

#site-header .site-title {
    font-size: var(--font-size-xl) !important;
    margin: 0;
}

#site-header .navbar {
    padding: var(--spacing-xs) 0;
}

#site-header .main-navigation ul li a {
    padding: var(--spacing-sm) var(--spacing-md) !important;
}

#site-navigation-wrap .dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

/* Main content area */
#main {
    background-color: var(--bg-white);
}

/* Sidebar styling */
#sidebar {
    background-color: var(--bg-light);
}

/* Footer styling */
#footer-widgets {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 !important;
}

/* Make footer more compact */
#footer-widgets .footer-widget {
    margin-bottom: var(--spacing-lg);
}

#footer-widgets .widget-title {
    font-size: var(--font-size-lg) !important;
    margin-bottom: var(--spacing-md) !important;
}

#footer-bottom {
    padding: var(--spacing-md) 0 !important;
    background-color: var(--text-primary);
}

#footer-bottom .copyright {
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Override default link colors in footer */
#footer-widgets a {
    color: var(--accent-color);
}

#footer-widgets a:hover {
    color: var(--secondary-color);
}

/* =============================================================================
   ADDITIONAL CSS FIXES & COMPATIBILITY
   ============================================================================= */

/* Ensure proper box-sizing */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Fix for WordPress admin bar spacing */
.admin-bar #site-header {
    top: 32px;
}

@media screen and (max-width: 782px) {
    .admin-bar #site-header {
        top: 46px;
    }
}

/* Fix for mobile menu icon animation */
.menu-toggle-icon.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle-icon.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle-icon.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Header scrolled state */
#site-header.scrolled {
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

/* Loading states */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form message styles */
.form-message {
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.form-message-success {
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.form-message-error {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.form-message-info {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--pet-technology);
    border: 1px solid var(--pet-technology);
}

/* Notification system */
.notification {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--bg-white);
    color: var(--text-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    z-index: var(--z-modal);
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition);
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.notification-text {
    flex: 1;
    font-weight: 600;
}

/* Animation classes */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in-on-scroll.fade-in-active {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-in {
    animation: slideInUp 0.6s ease-out forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Skip link focused state */
.skip-link-focused {
    background: var(--primary-color) !important;
    color: var(--text-light) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Sticky widget styles */
.sticky-widget.is-sticky {
    position: fixed;
    top: calc(var(--spacing-xl) + 60px);
    z-index: var(--z-sticky);
    width: auto;
    max-width: 300px;
}

/* WordPress block editor compatibility */
.wp-block-image {
    margin: var(--spacing-lg) 0;
}

.wp-block-quote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.wp-block-separator {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: var(--spacing-2xl) 0;
}

/* Table of Contents styling */
.table-of-contents {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.toc-title {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-item {
    margin-bottom: var(--spacing-sm);
}

.toc-h3 {
    margin-left: var(--spacing-lg);
}

.toc-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    display: block;
    transition: var(--transition-fast);
}

.toc-link:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

/* Reading progress bar */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    display: block;
}

/* =============================================================================
   SINGLE POST TEMPLATE STYLES
   ============================================================================= */

/* Single Article Container */
.single-article {
    background: var(--bg-white);
}

/* Article Hero Section */
.article-hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.2;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(46, 125, 125, 0.9) 0%, 
        rgba(78, 205, 196, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Article Breadcrumbs */
.article-breadcrumbs {
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-sm);
}

.breadcrumb-list li {
    margin: 0;
}

.breadcrumb-list li:not(:last-child)::after {
    content: "›";
    margin-left: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumb-list a:hover {
    color: var(--text-light);
    text-decoration: underline;
}

.breadcrumb-list span {
    color: var(--text-light);
    font-weight: 600;
}

/* Article Meta */
.article-meta {
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.meta-categories {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.meta-category {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.meta-category a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
}

.meta-category a:hover {
    text-decoration: underline;
}

.category-icon {
    font-size: var(--font-size-sm);
}

.meta-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.meta-details > span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.meta-icon {
    font-size: var(--font-size-base);
}

.meta-details a {
    color: var(--text-light);
    text-decoration: none;
}

.meta-details a:hover {
    text-decoration: underline;
}

/* Article Title */
.article-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

/* Article Excerpt */
.article-excerpt {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* Article Content Layout */
.article-container {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-white);
}

.article-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.article-main {
    max-width: none;
}

/* Table of Contents */
.table-of-contents {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.toc-title {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toc-icon {
    font-size: var(--font-size-lg);
}

/* Article Content */
.article-content {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
}

.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.article-content h2 {
    font-size: var(--font-size-3xl);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: var(--spacing-sm);
}

.article-content h3 {
    font-size: var(--font-size-2xl);
}

.article-content h4 {
    font-size: var(--font-size-xl);
}

.article-content p {
    margin-bottom: var(--spacing-lg);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
}

.article-content blockquote {
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    border-radius: var(--border-radius);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
}

/* Article Tags */
.article-tags {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.tags-title {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tags-icon {
    font-size: var(--font-size-base);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-link {
    background: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}

.tag-link:hover {
    background: var(--accent-color);
    color: var(--text-light);
    text-decoration: none;
}

/* Social Share */
.social-share {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    text-align: center;
    color: var(--text-light);
}

.share-title {
    color: var(--text-light);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.share-icon {
    font-size: var(--font-size-lg);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.share-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    color: var(--text-light);
    text-decoration: none;
    transform: translateY(-2px);
}

/* Author Bio */
.author-bio {
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.author-avatar {
    flex: 0 0 auto;
}

.author-avatar img {
    border-radius: 50%;
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.author-info {
    flex: 1;
}

.author-name {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.author-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.author-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.author-link:hover {
    text-decoration: underline;
}

/* Related Articles */
.related-articles {
    margin: var(--spacing-3xl) 0;
}

.related-title {
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.related-icon {
    font-size: var(--font-size-2xl);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.related-post {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.related-post:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.related-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-content {
    padding: var(--spacing-lg);
}

.related-post-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.related-post-title a {
    color: var(--primary-color);
    text-decoration: none;
}

.related-post-title a:hover {
    color: var(--accent-color);
}

.related-excerpt {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.related-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: var(--spacing-xl);
    height: fit-content;
}

.sidebar-widget {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.sidebar-widget .widget-title {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: var(--spacing-sm);
}

.sidebar-widget .widget-icon {
    font-size: var(--font-size-base);
}

.sticky-widget {
    position: sticky;
    top: var(--spacing-xl);
}

.sticky-widget.is-sticky {
    box-shadow: var(--shadow-lg);
}

/* Newsletter Widget */
.newsletter-widget .newsletter-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form .form-group {
    margin-bottom: var(--spacing-md);
}

.newsletter-form .form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.newsletter-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(46, 125, 125, 0.2);
}

.newsletter-form .btn-block {
    width: 100%;
}

.newsletter-note {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

/* Tools Widget */
.tools-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.sidebar-tools-list {
    margin-bottom: var(--spacing-lg);
}

.sidebar-tool-link {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition-fast);
    margin-bottom: var(--spacing-sm);
}

.sidebar-tool-link:hover {
    background: var(--bg-light);
    text-decoration: none;
}

.sidebar-tool-link .tool-icon {
    font-size: var(--font-size-lg);
    flex: 0 0 auto;
}

.sidebar-tool-link .tool-info {
    flex: 1;
}

.sidebar-tool-link .tool-name {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.sidebar-tool-link .tool-description {
    display: block;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
}

/* Popular Posts Widget */
.popular-posts-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.popular-post-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    margin-bottom: var(--spacing-sm);
}

.popular-post-item:hover {
    background: var(--bg-light);
}

.post-number {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.popular-post-item .post-info {
    flex: 1;
}

.popular-post-item .post-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.popular-post-item .post-title a {
    color: var(--primary-color);
    text-decoration: none;
}

.popular-post-item .post-title a:hover {
    color: var(--accent-color);
}

.popular-post-item .post-date {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Post Navigation */
.post-navigation {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.nav-previous {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.nav-link {
    display: block;
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    color: var(--text-primary);
}

.nav-link:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

.nav-direction {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.nav-previous .nav-direction {
    justify-content: flex-start;
}

.nav-next .nav-direction {
    justify-content: flex-end;
}

.nav-arrow {
    font-weight: 700;
}

.nav-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-base);
    line-height: var(--line-height-snug);
}

.no-related-posts {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    grid-column: 1 / -1;
}

/* Responsive Design for Single Posts */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .article-sidebar {
        position: static;
    }
    
    .sticky-widget {
        position: static;
    }
}

@media (max-width: 768px) {
    .article-hero {
        padding: var(--spacing-lg) 0 var(--spacing-xl);
    }
    
    .article-title {
        font-size: var(--font-size-3xl);
    }
    
    .article-excerpt {
        font-size: var(--font-size-base);
    }
    
    .meta-details {
        gap: var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .breadcrumb-list {
        justify-content: flex-start;
        font-size: var(--font-size-xs);
    }
    
    .author-bio {
        flex-direction: column;
        text-align: center;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .nav-next {
        text-align: left;
    }
    
    .share-buttons {
        gap: var(--spacing-sm);
    }
    
    .share-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .share-btn .share-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .article-container {
        padding: var(--spacing-xl) 0;
    }
    
    .article-title {
        font-size: var(--font-size-2xl);
    }
    
    .related-title {
        font-size: var(--font-size-xl);
    }
    
    .table-of-contents {
        padding: var(--spacing-md);
    }
    
    .social-share {
        padding: var(--spacing-lg);
    }
    
    .author-bio {
        padding: var(--spacing-lg);
    }
    
    .sidebar-widget {
        padding: var(--spacing-md);
    }
}