/*
===========================================
DevGlass - Main Stylesheet
Dark Developer Theme with Glassmorphism
Author: Sumit Gupta
Version: 1.0.0
Year: 2025
===========================================
*/

/* =====================
   CSS Custom Properties (Variables)
   ===================== */
:root {
    /* Color Palette - Dark Theme */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0f0f0f;
    --color-bg-tertiary: #1a1a1a;
    
    /* Glass Effect Colors */
    --color-glass-bg: rgba(30, 30, 35, 0.7);
    --color-glass-border: rgba(255, 255, 255, 0.1);
    --color-glass-hover: rgba(45, 45, 55, 0.8);
    
    /* Accent Colors - Hacker/Terminal Inspired */
    --color-accent-primary: #00ff88;
    --color-accent-secondary: #00d4ff;
    --color-accent-tertiary: #ff00ff;
    --color-accent-warning: #ffaa00;
    
    /* Text Colors */
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-text-accent: var(--color-accent-primary);
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
    --font-family-mono: 'Courier New', 'Consolas', 'Monaco', monospace;
    --font-family-heading: var(--font-family-base);
    
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    --line-height-base: 1.6;
    --line-height-heading: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --content-max-width: 800px;
    --sidebar-width: 320px;
    --header-height: 80px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Backdrop Blur */
    --blur-sm: 8px;
    --blur-md: 12px;
    --blur-lg: 16px;
}

/* =====================
   Reset & Base Styles
   ===================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

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

strong, b {
    font-weight: var(--font-weight-bold);
}

em, i {
    font-style: italic;
}

code, kbd, pre, samp {
    font-family: var(--font-family-mono);
    font-size: 0.9em;
}

code {
    padding: 0.2em 0.4em;
    background-color: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-accent-primary);
}

pre {
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

pre code {
    padding: 0;
    background: none;
    border: none;
    color: var(--color-text-primary);
}

blockquote {
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--color-accent-primary);
    background-color: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-sm));
    backdrop-filter: blur(var(--blur-sm));
    font-style: italic;
    color: var(--color-text-secondary);
}

/* =====================
   Glass Card Component
   ===================== */
.glass-card {
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-md));
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.glass-card:hover {
    background: var(--color-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* =====================
   Layout Structure
   ===================== */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-lg));
    backdrop-filter: blur(var(--blur-lg));
    border-bottom: 1px solid var(--color-glass-border);
    padding: var(--spacing-sm) 0;
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-accent-primary) 50%, 
        transparent
    );
    opacity: 0.5;
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: flex-end;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0;
}

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

.site-title a:hover {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.site-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: var(--spacing-md) 0 0;
    font-family: var(--font-family-mono);
}

/* =====================
   Header Search
   ===================== */
.header-search {
    display: flex;
    align-items: center;
}

.header-search .search-form {
    min-width: 250px;
}

.header-search .search-field {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.header-search .search-submit {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* =====================
   Navigation
   ===================== */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

.main-navigation a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.main-navigation a:hover,
.main-navigation a:focus,
.main-navigation .current-menu-item > a {
    color: var(--color-accent-primary);
    background: rgba(0, 255, 136, 0.1);
    text-decoration: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

/* =====================
   Main Content Area
   ===================== */
.site-content {
    flex: 1;
    max-width: var(--container-max-width);
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

.content-area {
    flex: 1;
}

/* =====================
   Posts & Articles
   ===================== */
.posts-list {
    display: grid;
    gap: var(--spacing-xl);
}

.post-card {
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-md));
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, 
        var(--color-accent-primary), 
        var(--color-accent-secondary)
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.post-card:hover {
    background: var(--color-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.post-card:hover::before {
    opacity: 1;
}

.entry-header {
    margin-bottom: var(--spacing-md);
}

.entry-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.entry-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.entry-title a:hover {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
}

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

.entry-meta span::before {
    content: '//';
    color: var(--color-text-muted);
}

.entry-meta a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.entry-meta a:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.entry-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
}

.entry-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-glass-border);
    font-size: var(--font-size-sm);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--color-accent-primary);
    border-radius: var(--radius-sm);
    color: var(--color-accent-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.read-more:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    text-decoration: none;
    box-shadow: var(--shadow-glow);
}

.read-more::after {
    content: '→';
}

/* =====================
   Pagination
   ===================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination a:hover,
.pagination .current {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
    text-decoration: none;
}

/* =====================
   Footer
   ===================== */
.site-footer {
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-lg));
    backdrop-filter: blur(var(--blur-lg));
    border-top: 1px solid var(--color-glass-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-accent-primary) 50%, 
        transparent
    );
    opacity: 0.5;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.site-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-family: var(--font-family-mono);
}

.site-info p {
    margin: 0;
}

.footer-search {
    display: flex;
    align-items: center;
}

.footer-search .search-form {
    min-width: 250px;
}

.footer-search .search-field {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.footer-search .search-submit {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    .header-container {
        flex-wrap: wrap;
    }
    
    .header-right {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-sm);
    }
    
    .header-search {
        width: 100%;
    }
    
    .header-search .search-form {
        min-width: 100%;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-navigation ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: var(--spacing-md);
        background: var(--color-glass-bg);
        -webkit-backdrop-filter: blur(var(--blur-lg));
        backdrop-filter: blur(var(--blur-lg));
        border: 1px solid var(--color-glass-border);
        border-radius: var(--radius-md);
        padding: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
    }
    
    .main-navigation.toggled ul {
        display: flex;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-search {
        width: 100%;
    }
    
    .footer-search .search-form {
        min-width: 100%;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .post-card:hover {
        transform: none;
    }
}

/* =====================
   Animations
   ===================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 255, 136, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out forwards;
}

/* Image Loading */
img {
    opacity: 0;
    transition: opacity var(--transition-base);
}

img.loaded {
    opacity: 1;
}

/* =====================
   Single Post Styles
   ===================== */
.single .post-thumbnail {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.single .post-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

.single .entry-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

.single .entry-content > * {
    margin-bottom: var(--spacing-lg);
}

.single .entry-content h2,
.single .entry-content h3,
.single .entry-content h4 {
    margin-top: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-glass-border);
}

.single .entry-content ul,
.single .entry-content ol {
    padding-left: var(--spacing-lg);
}

.single .entry-content li {
    margin-bottom: var(--spacing-sm);
}

/* Post Navigation */
.post-navigation {
    margin-top: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.post-navigation .nav-links a {
    display: block;
    padding: var(--spacing-md);
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-md));
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
}

.post-navigation .nav-links a:hover {
    background: var(--color-glass-hover);
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.post-navigation .nav-subtitle {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-family-mono);
}

.post-navigation .nav-title {
    color: var(--color-text-primary);
}

/* =====================
   Comments
   ===================== */
.comments-area {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--color-glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-md));
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
}

.comments-title {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-glass-border);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.comment-author {
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-primary);
}

.comment-metadata {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.comment-content {
    margin-top: var(--spacing-sm);
}

.reply {
    margin-top: var(--spacing-sm);
}

.reply a {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--color-accent-primary);
    border-radius: var(--radius-sm);
    color: var(--color-accent-primary);
}

/* Comment Form */
.comment-form {
    margin-top: var(--spacing-xl);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.comment-form input[type="text"]:focus,
.comment-form input[type="email"]:focus,
.comment-form input[type="url"]:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

.comment-form textarea {
    min-height: 150px;
    resize: vertical;
}

.comment-form input[type="submit"] {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-bg-primary);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.comment-form input[type="submit"]:hover {
    background: var(--color-accent-secondary);
    box-shadow: var(--shadow-glow);
}

/* =====================
   Widgets
   ===================== */
.widget {
    margin-bottom: var(--spacing-xl);
}

.widget-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-primary);
    font-family: var(--font-family-mono);
}

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

.widget li {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

/* Search Widget & Search Form */
.search-form {
    display: flex;
    gap: var(--spacing-xs);
    width: 100%;
}

.search-form label {
    flex: 1;
    margin: 0;
}

.search-field {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.search-field:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

.search-field::placeholder {
    color: var(--color-text-muted);
}

.search-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-bg-primary);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-submit:hover {
    background: var(--color-accent-secondary);
    box-shadow: var(--shadow-glow);
}

.widget_search .search-form {
    display: flex;
    gap: var(--spacing-xs);
}

/* =====================
   Utility Classes
   ===================== */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.text-center {
    text-align: center;
}

.text-accent {
    color: var(--color-accent-primary);
}

/* =====================
   Print Styles
   ===================== */
@media print {
    *,
    *::before,
    *::after {
        background: #fff !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    pre {
        border: 1px solid #999;
        page-break-inside: avoid;
    }

    img {
        page-break-inside: avoid;
    }

    h2, h3 {
        page-break-after: avoid;
    }
}