/* ============================================
   COMMON STYLES - Shared across all pages
   ============================================ */

/* Font Import */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700;800&display=swap');

/* CSS Variables - Core Colors */
:root {
    /* Dark theme colors */
    --primary-background: #1e1e1e;
    --secondary-background: #2a2a2a;
    --tertiary-background: #2d2d30;

    --text-color: #d4d4d4;
    --accent-color: #007acc;

    /* VS Code theme colors */
    --teal: #4ec9b0;
    --blue: #569cd6;
    --cyan: #9cdcfe;
    --orange: #ce9178;
    --yellow: #dcdcaa;
    --purple: #c586c0;
    --green: #b5cea8;
    --gray-border: #3e3e42;
    --gray-text: #858585;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

/* Base Body Styles */
body {
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9rem;

    background-color: var(--primary-background);
    color: var(--text-color);

    padding: var(--spacing-lg) var(--spacing-xl);
    line-height: 1.8;

    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Light Theme Base */
body.light-theme {
    background-color: #ffffff;
    color: #3a3a3a;
}

/* Common Article Container */
article {
    max-width: 1000px;
    margin: 0 auto;
}

/* Common Heading Styles */
h1 {
    color: var(--teal);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    color: var(--teal);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

h3 {
    color: var(--yellow);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Common Text Styles */
p {
    margin: var(--spacing-sm) 0;
    line-height: 1.8;
}

strong,
b {
    color: var(--orange);
    font-weight: 700;
}

em,
i {
    color: var(--cyan);
    font-style: italic;
}

/* Common List Styles */
ul,
ol {
    padding-left: 2rem;
    margin: var(--spacing-sm) 0;
}

li {
    margin: 0.5rem 0;
    line-height: 1.6;
}

/* Common Button Styles */
button {
    font-family: 'Fira Code', monospace;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Common Animation - Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Common Media Queries - Tablet */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.85rem;
    }

    article {
        max-width: 100%;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    h3 {
        font-size: 1.2rem;
    }
}

/* Common Media Queries - Mobile */
@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }

    h1 {
        font-size: 1.3rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    h3 {
        font-size: 1.1rem;
    }
}