/* Blog Post Styles */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f1f5f9;
    --text-color: #23272f;
    --light-text: #6b7280;
    --background: #fff;
    --white: #fff;
    --border-color: #e5e7eb;
    --code-bg: #f8fafc;
    --highlight-bg: #f5f8ff;
    --shadow: 0 2px 16px 0 rgba(30, 41, 59, 0.07);
    --shadow-hover: 0 4px 24px 0 rgba(30, 41, 59, 0.12);

    /* Font families for easy switching */
    --font-inter: 'Inter', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-poppins: 'Poppins', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-lato: 'Lato', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-opensans: 'Open Sans', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-inter);
    line-height: 1.2;
    color: var(--text-color);
    background: var(--background);
    font-size: 17px;
    letter-spacing: 0.01em;
    min-height: 100vh;
}

.blog-post-container {
    max-width: 70%;
    margin: 0 auto;
    padding: 2.5rem 2.5rem 2.5rem 2.5rem;
    background: var(--white);
    border-radius: 18px;
    box-shadow: var(--shadow);
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
}

.blog-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-color);
}

.blog-title {
    font-size: 2.7rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: var(--font-inter);
    margin-bottom: 1.1rem;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.blog-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    color: var(--light-text);
    font-size: 1rem;
    flex-wrap: wrap;
}

.blog-content {
    line-height: 1.85;
    color: var(--text-color);
    font-size: 1.13rem;
    font-family: 'Inter', 'Space Grotesk', sans-serif;
}

.blog-content h1,
.blog-content h2,
.blog-content h3 {
    font-family: var(--font-poppins);
    color: var(--secondary-color);
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.blog-content h1 {
    font-size: 2.2rem;
}

.blog-content h2 {
    font-size: 1.6rem;
}

.blog-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.blog-content p {
    margin-bottom: 0.6rem;
}

.blog-content ul,
.blog-content ol {
    margin: 1.5rem 0 1.5rem 1.5rem;
    padding-left: 1.5rem;
}

.blog-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.blog-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 1.3rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--secondary-color);
    background: var(--highlight-bg);
    border-radius: 0 10px 10px 0;
    font-size: 1.08rem;
}

.blog-content code {
    background: var(--code-bg);
    padding: 0.22rem 0.45rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 0.98rem;
    color: #0f172a;
}

.blog-content pre {
    background: var(--code-bg);
    padding: 1.3rem 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.7rem 0;
    border: 1px solid var(--border-color);
    font-size: 1rem;
}

.blog-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    background: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.7rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.2s cubic-bezier(.4, 0, .2, 1);
    z-index: 1000;
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.13);
    border: none;
    display: flex;
    align-items: center;
    gap: 0.7em;
}

.back-button:hover {
    background: var(--secondary-color);
    color: #fff;
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--shadow-hover);
}

.highlight-box {
    background: linear-gradient(135deg, #f5f8ff 0%, #f1f5f9 100%);
    border: 1px solid var(--primary-color);
    border-radius: 13px;
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.04);
}

.highlight-box h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.math-container-highlight {
    background: var(--accent-color);
    border-radius: 8px;
    padding: 1rem 1.2rem;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(30, 41, 59, 0.04);
}

.math-container-border {
    border-radius: 8px;
    padding: 1rem 1.2rem;
    /* margin: 1.5rem 0; */
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(30, 41, 59, 0.04);
}

.math-container {
    border-radius: 8px;
    padding: 1rem 1.2rem;
    /* margin: 1.5rem 0; */
}

.math-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.math-block {
    font-size: 1.13rem;
    color: #0f172a;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    background: none;
    padding: 0;
    border: none;
}

a {
    color: var(--primary-color);
    text-decoration: underline;
    transition: color 0.2s;
}

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

.blog-image {
    display: block;
    margin: 1rem auto 1rem auto;
    max-width: 60%;
    height: auto;
    box-shadow: 0 2px 16px rgba(44, 83, 100, 0.08);
    border-radius: 0.8rem;
}

.blog-image-right {
    display: block;
    max-width: 320px;
    min-width: 120px;
    width: 100%;
    margin: 0;
    box-shadow: 0 2px 16px rgba(44, 83, 100, 0.08);
    border-radius: 0.8rem;
    height: auto;
    object-fit: contain;
}


@media (max-width: 900px) {
    .blog-post-container {
        margin: 1.2rem;
        padding: 1.2rem;
    }

    .blog-title {
        font-size: 2rem;
    }

    .back-button {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 1.1rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 600px) {
    .blog-post-container {
        padding: 0.7rem;
        margin: 0.5rem;
    }

    .blog-title {
        font-size: 1.4rem;
    }

    .blog-header {
        padding-bottom: 1rem;
        margin-bottom: 1.5rem;
    }

    .back-button {
        top: 0.5rem;
        left: 0.5rem;
        padding: 0.4rem 0.7rem;
        font-size: 0.85rem;
    }
}


@media (max-width: 480px) {
    .blog-post-container {
        margin: auto;
        padding: 1.2rem;
        max-width: 100%;
    }

    .blog-title {
        padding-top: 3rem;
        font-size: 1.5rem;
    }

    .blog-meta {
        gap: 0.5rem;
    }

    .blog-content p {
        line-height: 1.75rem;
        font-size: 1rem;
    }

    .back-button {
        top: 1rem;
        left: 1.2rem;
        /* padding: 0.5rem 1.1rem; */
        font-size: 0.5rem;
    }

    .highlight-box {
        padding: 1rem 1rem 0.5rem 1rem;
        margin: 1rem 0;
    }

    .blog-content h2 {
        font-size: 1.4rem;
        line-height: 1.6rem;
    }

    .blog-content ul,
    .blog-content ol {
        margin: 1rem 0 1.5rem 1.5rem;
        padding-left: 1.5rem;
    }

    .blog-content li {
        margin-bottom: 0.3rem;
        line-height: 1.5;
    }

    /* .math-container-highlight {
        padding: 1rem 1.2rem;
        margin: 1.5rem 0;
    } */

    .math-container-border {
        padding: 1rem 1.2rem;
        margin: 1.5rem 0;
    }

    .math-container {
        padding: 1rem 1.2rem;
        /* margin: 1.5rem 0; */
    }

    .math-title {
        margin-bottom: 0;
    }

    .math-block {
        font-size: 0.8rem;
    }

    .blog-image {
        display: block;
        margin: 1rem auto 1rem auto;
        max-width: 60%;
        height: auto;
        box-shadow: 0 2px 16px rgba(44, 83, 100, 0.08);
        border-radius: 0.8rem;
    }

    .blog-image-right {
        width: 10%;
        margin-left: 1rem;
    }
    /* If you use a flex container for image+text, stack vertically on small screens */
    .blog-image-flex-row {
        flex-direction: column !important;
        gap: 1rem !important;
    }
    .blog-image-flex-row > * {
        width: 100% !important;
        max-width: 100% !important;
    }
}