/* Custom styles for the blog - Theme System */

/* CSS Custom Properties for Theme System */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-tertiary: #1a1a1a;
    --bg-quaternary: #1f2937;
    --bg-quinary: #374151;
    
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-tertiary: #d1d5db;
    --text-quaternary: #9ca3af;
    --text-quinary: #6b7280;
    
    --border-primary: #374151;
    --border-secondary: #4b5563;
    --border-tertiary: #333333;
    
    --accent-primary: #0084FF;
    --accent-secondary: #0066CC;
    --accent-tertiary: #93c5fd;
    
    --code-bg: #1a1a1a;
    --code-border: #333333;
    --code-text: #e5e5e5;
    --code-inline-bg: #374151;
    --code-inline-text: #93c5fd;
    
    --shadow-primary: rgba(0, 0, 0, 0.3);
    --shadow-secondary: rgba(0, 0, 0, 0.1);
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
}

/* Light Theme */
.theme-light {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-quaternary: #e2e8f0;
    --bg-quinary: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #475569;
    --text-quaternary: #64748b;
    --text-quinary: #94a3b8;
    
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --border-tertiary: #f1f5f9;
    
    --accent-primary: #0084FF;
    --accent-secondary: #0066CC;
    --accent-tertiary: #3b82f6;
    
    --code-bg: #f8fafc;
    --code-border: #e2e8f0;
    --code-text: #334155;
    --code-inline-bg: #f1f5f9;
    --code-inline-text: #1e40af;
    
    --shadow-primary: rgba(0, 0, 0, 0.1);
    --shadow-secondary: rgba(0, 0, 0, 0.05);
    
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;
    --info: #2563eb;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Geist', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Article Content Styling */
.article-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Headings */
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-top: 1.75em;
    margin-bottom: 0.5em;
    line-height: 1.3;
}

.article-content h1 {
    font-size: 1.875rem;
}

.article-content h2 {
    font-size: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-primary);
}

.article-content h3 {
    font-size: 1.25rem;
}

.article-content h4 {
    font-size: 1.125rem;
}

.article-content h5 {
    font-size: 1rem;
}

.article-content h6 {
    font-size: 0.875rem;
}

/* Paragraphs */
.article-content p {
    margin-bottom: 1.1em;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Links */
.article-content a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500;
}

.article-content a:hover {
    color: var(--accent-secondary);
}

/* Code Blocks */
.article-content pre {
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    background-color: var(--code-bg);
    margin: 1.25em 0;
    border: 1px solid var(--code-border);
    font-size: 0.875rem;
    color: var(--code-text);
}

.article-content code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
    font-size: 0.875em;
    color: var(--code-text);
}

/* Inline Code */
.article-content p code,
.article-content li code,
.article-content td code {
    background-color: var(--code-inline-bg);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
    color: var(--code-inline-text);
    font-weight: 500;
}

/* Blockquotes */
.article-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: 1rem;
    font-style: normal;
    color: var(--text-tertiary);
    margin: 1.25em 0;
    font-size: 1rem;
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 0.5rem;
}

.article-content blockquote p {
    margin: 0;
    color: var(--text-tertiary);
}

/* Lists */
.article-content ul,
.article-content ol {
    margin: 1.25em 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.4em;
    line-height: 1.7;
    color: var(--text-secondary);
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

/* Images */
.article-content img {
    border-radius: 0.5rem;
    max-width: 100%;
    height: auto;
    margin: 1.75em 0;
    box-shadow: 0 4px 6px var(--shadow-primary);
}

/* Tables */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.75em 0;
    font-size: 0.875rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    overflow: hidden;
}

.article-content th {
    background-color: var(--bg-quaternary);
    font-weight: 600;
    text-align: left;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.article-content td {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
}

.article-content tr:nth-child(even) {
    background-color: var(--bg-quaternary);
}

/* Horizontal Rule */
.article-content hr {
    border: none;
    border-top: 1px solid var(--border-primary);
    margin: 2.5em 0;
}

/* Strong/Bold */
.article-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

/* Emphasis/Italic */
.article-content em {
    font-style: italic;
    color: var(--text-tertiary);
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Button Styles */
button {
    transition: all 0.2s ease-in-out;
}

button:hover {
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* Pulsating Animations */
@keyframes pulse-dot-animation {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.3);
    }
}

.pulse-dot {
    animation: pulse-dot-animation 1.5s ease-in-out infinite;
    will-change: opacity, transform;
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 var(--accent-primary);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 4px transparent;
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Selection Color */
::selection {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

/* Theme-specific utility classes */
.bg-theme-primary {
    background-color: var(--bg-primary);
}

.bg-theme-secondary {
    background-color: var(--bg-secondary);
}

.bg-theme-tertiary {
    background-color: var(--bg-tertiary);
}

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

.text-theme-secondary {
    color: var(--text-secondary);
}

.text-theme-tertiary {
    color: var(--text-tertiary);
}

.border-theme-primary {
    border-color: var(--border-primary);
}

.border-theme-secondary {
    border-color: var(--border-secondary);
}

.border-border-primary {
    border-color: var(--border-primary);
}

.border-border-secondary {
    border-color: var(--border-secondary);
}

/* Accent color utilities */
.bg-accent {
    background-color: var(--accent-primary);
}

.bg-accent-secondary {
    background-color: var(--accent-secondary);
}

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

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

/* Status Colors */
.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-error {
    color: var(--error);
}

.text-info {
    color: var(--info);
}

.bg-success {
    background-color: var(--success);
}

.bg-warning {
    background-color: var(--warning);
}

.bg-error {
    background-color: var(--error);
}

.bg-info {
    background-color: var(--info);
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-content {
        font-size: 0.9rem;
    }
    
    .article-content h1 {
        font-size: 1.5rem;
    }
    
    .article-content h2 {
        font-size: 1.25rem;
    }
    
    .article-content h3 {
        font-size: 1.125rem;
    }
}

/* Print Styles */
@media print {
    .article-content {
        color: #000 !important;
        background: #fff !important;
    }
    
    .article-content h1,
    .article-content h2,
    .article-content h3,
    .article-content h4,
    .article-content h5,
    .article-content h6 {
        color: #000 !important;
    }
    
    .article-content a {
        color: #000 !important;
        text-decoration: underline;
    }
    
    .article-content pre {
        background: #f5f5f5 !important;
        border: 1px solid #ccc !important;
    }
}