:root {
    --primary-color: #8B5A3C;
    --primary-light: #A2704E;
    --primary-dark: #6F442A;
    --primary-soft: rgba(139, 90, 60, 0.08);
    --primary-mid: rgba(139, 90, 60, 0.12);
    --background-color: #FFFFFF;
    --surface-color: #F8F6F2;
    --surface-elevated: #FFFFFF;
    --border-color: #EBE3DA;
    --border-light: #F0EAE3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 12px 28px -8px rgba(100, 70, 40, 0.12);
    --text-primary: #2C241A;
    --text-secondary: #6B5A4A;
    --text-tertiary: #9B8B7A;
    --transition-default: all 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}


.articles {
    max-width: 1200px;
    margin: 32px auto;
    padding: 0 24px;
}

.articles .title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 16px;
}

.articles .title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}


.categories {
    margin-bottom: 32px;
}

.categories form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.category {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-default);
    font-weight: 500;
    font-family: inherit;
}

select.category {
    cursor: pointer;
    min-width: 130px;
}

input.category {
    min-width: 220px;
    flex: 1;
}

input.category::placeholder {
    color: var(--text-tertiary);
}

.category:hover {
    border-color: var(--primary-light);
    background: var(--primary-soft);
}

button.category {
    background: var(--primary-color);
    color: white;
    border: none;
}

button.category:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.category:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-soft);
}


.list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.article-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition-default);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.article-title {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.article-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-default);
}

.read-more:hover {
    color: var(--primary-light);
    gap: 12px;
}


.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.page-button {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-default);
    font-family: inherit;
}

.page-button:hover {
    background: var(--primary-soft);
    border-color: var(--primary-light);
    transform: translateY(-1px);
}

.page-info {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    padding: 8px 16px;
    background: var(--surface-color);
    border-radius: 40px;
}


.article {
    max-width: 800px;
    margin: 32px auto;
    padding: 32px 36px;
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.article .title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.4;
    text-align: right;
}

.article .meta {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.article .publish-date {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article .content {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-primary);
    text-align: justify;
    margin-bottom: 40px;
}

.article .content h1,
.article .content h2,
.article .content h3 {
    color: var(--primary-dark);
    margin: 24px 0 12px 0;
}

.article .content h1 {
    font-size: 1.8rem;
}

.article .content h2 {
    font-size: 1.5rem;
}

.article .content h3 {
    font-size: 1.3rem;
}

.article .content p {
    margin-bottom: 16px;
}

.article .content ul,
.article .content ol {
    margin: 16px 0;
    padding-right: 24px;
}

.article .content li {
    margin-bottom: 8px;
}

.article .content blockquote {
    background: var(--surface-color);
    border-right: 3px solid var(--primary-color);
    padding: 16px 20px;
    margin: 20px 0;
    font-style: italic;
    color: var(--text-secondary);
    border-radius: 0 8px 8px 0;
}

.article .content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.article .content pre,
.article .content code {
    background: var(--surface-color);
    padding: 2px 6px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.9em;
}

.article .content pre {
    padding: 16px;
    overflow-x: auto;
}

.article .back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-default);
}

.article .back-link:hover {
    color: var(--primary-light);
    gap: 12px;
}


.article-card .empty-message {
    text-align: center;
    color: var(--text-tertiary);
    padding: 40px;
}




@media (max-width: 992px) {
    .list {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
}


@media (max-width: 768px) {
    .articles {
        padding: 0 16px;
        margin: 20px auto;
    }

    .articles .title {
        font-size: 28px;
        margin-bottom: 24px;
    }

    .categories form {
        gap: 10px;
    }

    .category {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    select.category {
        min-width: 120px;
    }

    input.category {
        min-width: 180px;
        flex: 1;
    }

    .list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .article-card {
        padding: 20px;
    }

    .article-title {
        font-size: 1.1rem;
    }

    .article-excerpt {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .pagination {
        gap: 12px;
    }

    .page-button {
        padding: 8px 18px;
        font-size: 0.8rem;
    }

    .page-info {
        font-size: 0.8rem;
    }

    
    .article {
        margin: 20px 16px;
        padding: 24px 20px;
    }

    .article .title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .article .meta {
        margin-bottom: 24px;
        gap: 16px;
        font-size: 0.75rem;
    }

    .article .content {
        font-size: 0.95rem;
        line-height: 1.75;
    }

    .article .content h1 {
        font-size: 1.6rem;
    }

    .article .content h2 {
        font-size: 1.4rem;
    }

    .article .content h3 {
        font-size: 1.2rem;
    }
}


@media (max-width: 576px) {
    .articles {
        padding: 0 12px;
        margin: 16px auto;
    }

    .articles .title {
        font-size: 24px;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .articles .title::after {
        width: 48px;
        height: 2px;
    }

    .categories form {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    .category {
        width: 100%;
        padding: 10px 16px;
        font-size: 0.8rem;
        box-sizing: border-box;
    }

    select.category {
        width: 100%;
        min-width: unset;
    }

    input.category {
        width: 100%;
        min-width: unset;
    }

    button.category {
        width: 100%;
    }

    .list {
        gap: 12px;
    }

    .article-card {
        padding: 16px;
    }

    .article-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .article-excerpt {
        font-size: 0.8rem;
        margin-bottom: 12px;
        line-height: 1.5;
    }

    .article-meta {
        margin-bottom: 12px;
        font-size: 0.7rem;
        gap: 12px;
    }

    .read-more {
        font-size: 0.8rem;
    }

    .pagination {
        gap: 10px;
        margin-top: 24px;
    }

    .page-button {
        padding: 6px 14px;
        font-size: 0.75rem;
    }

    .page-info {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    
    .article {
        margin: 12px;
        padding: 20px 16px;
    }

    .article .title {
        font-size: 20px;
        margin-bottom: 12px;
        line-height: 1.35;
    }

    .article .meta {
        margin-bottom: 20px;
        padding-bottom: 12px;
        gap: 12px;
        font-size: 0.7rem;
        flex-wrap: wrap;
    }

    .article .content {
        font-size: 0.85rem;
        line-height: 1.7;
        margin-bottom: 28px;
    }

    .article .content h1 {
        font-size: 1.4rem;
    }

    .article .content h2 {
        font-size: 1.2rem;
    }

    .article .content h3 {
        font-size: 1.1rem;
    }

    .article .content blockquote {
        padding: 12px 16px;
        margin: 16px 0;
    }

    .article .back-link {
        font-size: 0.8rem;
    }
}


@media (max-width: 380px) {
    .articles {
        padding: 0 10px;
    }

    .articles .title {
        font-size: 22px;
    }

    .article-card {
        padding: 14px;
    }

    .article-title {
        font-size: 0.95rem;
    }

    .article-excerpt {
        font-size: 0.75rem;
    }

    .article .title {
        font-size: 18px;
    }

    .article .content {
        font-size: 0.8rem;
        line-height: 1.65;
    }
}


@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card {
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: backwards;
}

.article-card:nth-child(1) {
    animation-delay: 0.02s;
}

.article-card:nth-child(2) {
    animation-delay: 0.04s;
}

.article-card:nth-child(3) {
    animation-delay: 0.06s;
}

.article-card:nth-child(4) {
    animation-delay: 0.08s;
}

.article-card:nth-child(5) {
    animation-delay: 0.1s;
}

.article-card:nth-child(6) {
    animation-delay: 0.12s;
}


@media (max-width: 576px) {
    .article-card {
        animation: none;
    }
}


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