* {
    border-radius: 0 !important;
}

:root {
    --primary: #3b82f6;
    --dark: #1a1a1a;
    --text: #2d2d2d;
    --text-light: #6b7280;
    --light: #f5f5f5;
    --white: #ffffff;

    /* Animation Timing */
    --timing-fast: 150ms;
    --timing-base: 250ms;
    --timing-slow: 350ms;

    /* Easing Functions */
    --ease-out-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Blog post list */
.blog-posts-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blog-post-card {
    background: white;
    border: 3px solid var(--dark);
    box-shadow: 6px 6px 0 var(--dark);
    overflow: hidden;
    transition: all var(--timing-slow) var(--ease-out-smooth);
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s var(--ease-out-smooth) forwards;
}

.blog-post-card:nth-child(1) { animation-delay: 0.1s; }
.blog-post-card:nth-child(2) { animation-delay: 0.2s; }
.blog-post-card:nth-child(3) { animation-delay: 0.3s; }
.blog-post-card:nth-child(4) { animation-delay: 0.4s; }
.blog-post-card:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-post-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--dark);
}

.blog-post-card:active {
    transform: translate(0, 0);
    box-shadow: 6px 6px 0 var(--dark);
}

.blog-card-image {
    width: 100%;
    height: 250px;
    background-size: cover;
    background-position: center;
    border-bottom: 3px solid var(--dark);
}

.blog-card-content {
    padding: 2rem;
}

.blog-card-content h2 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 2px solid var(--light);
}

.blog-card-meta span {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-read-more {
    background: var(--primary);
    color: white;
    border: 3px solid var(--dark);
    padding: 0.5rem 1.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--dark);
    transition: all var(--timing-base) var(--ease-out-smooth);
    position: relative;
    overflow: hidden;
}

.btn-read-more::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0);
    transition: transform var(--timing-slow) var(--ease-out-smooth);
    border-radius: 50%;
}

.btn-read-more:active::before {
    transform: scale(2.5);
}

.btn-read-more:hover {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--dark);
}

.btn-read-more:active {
    transform: translate(3px, 3px) scale(0.98);
    box-shadow: 0 0 0 var(--dark);
}

.btn-back-to-list {
    background: white;
    color: var(--dark);
    border: 3px solid var(--dark);
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    box-shadow: 4px 4px 0 var(--dark);
    margin-bottom: 2rem;
    transition: all var(--timing-base) var(--ease-out-smooth);
    position: relative;
    overflow: hidden;
}

.btn-back-to-list::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.05);
    transform: scale(0);
    transition: transform var(--timing-slow) var(--ease-out-smooth);
    border-radius: 50%;
}

.btn-back-to-list:active::before {
    transform: scale(2.5);
}

.btn-back-to-list:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--dark);
}

.btn-back-to-list:active {
    transform: translate(4px, 4px) scale(0.98);
    box-shadow: 0 0 0 var(--dark);
}

.blog-page {
    padding-top: 80px;
    min-height: 100vh;
    background: #ffffff;
}

.blog-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.blog-hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem;
    background: white;
    border: 3px solid var(--dark);
    border-radius: 0;
    box-shadow: 8px 8px 0 var(--dark);
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    color: var(--dark);
}

.blog-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 600;
    line-height: 1.6;
}

.blog-article {
    background: white;
    border: 3px solid var(--dark);
    border-radius: 0;
    padding: 3rem;
    box-shadow: 8px 8px 0 var(--dark);
    margin-bottom: 3rem;
}

.blog-loading {
    text-align: center;
    color: var(--text-light);
    padding: 3rem;
    font-weight: 600;
}

.blog-empty {
    text-align: center;
    color: var(--text-light);
    padding: 3rem;
    font-weight: 600;
}

.blog-hero-image {
    width: 100%;
    height: 300px;
    background-size: cover;
    background-position: center;
    border: 3px solid var(--dark);
    margin-bottom: 2rem;
    box-shadow: 6px 6px 0 var(--dark);
}

.blog-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 3px solid var(--dark);
}

.blog-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.blog-excerpt {
    font-size: 1.15rem;
    color: var(--text-light);
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.blog-tags li {
    background: white;
    border: 2px solid var(--dark);
    padding: 0;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 3px 3px 0 var(--dark);
    transition: all 0.2s;
}

.blog-tag-link {
    text-decoration: none;
    color: inherit;
    display: block;
    padding: 0.4rem 1rem;
}

.blog-tags li:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--dark);
}

.blog-markdown {
    line-height: 1.8;
    color: var(--text);
}

.blog-markdown h1,
.blog-markdown h2,
.blog-markdown h3,
.blog-markdown h4 {
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.blog-markdown h1 {
    font-size: 2.2rem;
    border-bottom: 3px solid var(--dark);
    padding-bottom: 0.5rem;
}

.blog-markdown h2 {
    font-size: 1.8rem;
    border-bottom: 3px solid var(--dark);
    padding-bottom: 0.4rem;
}

.blog-markdown h3 {
    font-size: 1.4rem;
}

.blog-markdown h4 {
    font-size: 1.2rem;
}

.blog-markdown p {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.blog-markdown a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--primary);
    transition: all 0.2s;
}

.blog-markdown a:hover {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.blog-markdown ul,
.blog-markdown ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.blog-markdown li {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.blog-markdown code {
    background: var(--light);
    border: 2px solid var(--dark);
    padding: 0.2rem 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    font-weight: 600;
}

.blog-markdown pre {
    background: var(--light);
    border: 3px solid var(--dark);
    padding: 1.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    box-shadow: 4px 4px 0 var(--dark);
}

.blog-markdown pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.95rem;
}

.blog-markdown blockquote {
    border-left: 6px solid var(--dark);
    background: var(--light);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    box-shadow: 4px 4px 0 var(--dark);
}

.blog-markdown img {
    max-width: 100%;
    height: auto;
    border: 3px solid var(--dark);
    box-shadow: 6px 6px 0 var(--dark);
    margin: 1.5rem 0;
}

.blog-markdown hr {
    border: none;
    border-top: 3px solid var(--dark);
    margin: 2rem 0;
}

.blog-markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border: 3px solid var(--dark);
    box-shadow: 4px 4px 0 var(--dark);
}

.blog-markdown th,
.blog-markdown td {
    border: 2px solid var(--dark);
    padding: 0.75rem;
    text-align: left;
}

.blog-markdown th {
    background: var(--light);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.blog-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-weight: 600;
}

/* LaTeX support styling */
.blog-markdown .katex {
    font-size: 1.1em;
}

.blog-markdown .katex-display {
    margin: 1.5rem 0;
    overflow-x: auto;
    overflow-y: hidden;
}

@media (max-width: 768px) {
    .blog-main {
        padding: 2rem 1rem;
    }

    .blog-article {
        padding: 1.5rem;
    }

    .blog-hero {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    .blog-markdown h1 {
        font-size: 1.8rem;
    }

    .blog-markdown h2 {
        font-size: 1.5rem;
    }

    .blog-markdown pre {
        padding: 1rem;
    }
}