body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

#main-header {
    background-color: transparent;
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: none;
    transition: background-color var(--transition-speed-medium), padding var(--transition-speed-medium);
}

#main-header.scrolled {
    padding: 1rem 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 0 10px;
}

#logo {
    display: block;
    margin-right: auto;
}

#nav-links {
    list-style: none;
    display: flex;
    align-items: center;
}

#nav-links li {
    margin-left: 50px;
}

#nav-links a.nav-item {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--text-primary) !important;
    font-size: 1.05rem;
    padding: 0.5rem 0;
    position: relative;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: none;
}

#nav-links a.nav-item::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: width 0.4s;
}

#nav-links a.nav-item:hover,
#nav-links a.nav-item.active {
    color: var(--text-primary) !important;
    text-shadow: none !important;
    filter: none !important;
}

#nav-links a.nav-item:hover::after,
#nav-links a.nav-item.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

#menu-toggle {
    background: none;
    border: none;
    color: var(--mmp-text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-speed-fast), transform var(--transition-speed-fast);
    text-shadow: 0 0 5px var(--mmp-text-primary);
    display: none;
}

#menu-toggle:hover {
    color: var(--mmp-accent-orange);
    transform: scale(1.2);
    text-shadow: 0 0 10px var(--mmp-accent-orange);
}

.article-wrapper {
    margin-top: 12rem;
    padding: 2rem 0;
    background: var(--bg-primary);
    display: block;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    background: var(--bg-primary);
    display: block;
}

.article-header {
    margin-bottom: 2rem;
    text-align: center;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    display: block;
    height: fit-content;
    min-height: min-content;
}

.article-content p {
    margin-bottom: 1.5rem;
    width: 100%;
    display: block;
    white-space: normal;
    word-break: break-word;
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--text-primary);
    width: 100%;
    display: block;
    white-space: normal;
    word-break: break-word;
}

.article-content h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
    width: 100%;
    display: block;
    white-space: normal;
    word-break: break-word;
}

.article-content img {
    max-width: 100%;
    height: auto;
    margin: 2rem 0;
    border-radius: var(--border-radius-md);
}

.article-content code {
    font-family: var(--font-code);
    background: var(--bg-accent);
    padding: 0.2rem 0.4rem;
    border-radius: var(--border-radius-sm);
    display: inline-block;
    white-space: pre;
}

.article-content pre {
    width: 100%;
    overflow-x: auto;
    margin: 1.5rem 0;
    display: block;
    background: var(--bg-accent);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
}

.article-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 0;
    margin-bottom: 2rem;
    background: var(--bg-primary);
    display: block;
}

.article-tag {
    background: var(--bg-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: inline-block;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.article-navigation {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
    min-height: 3rem;
}

.article-navigation a {
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.article-navigation a:hover {
    color: var(--text-accent);
}

.article-navigation .back-to-list {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.article-navigation .prev {
    position: absolute;
    left: 0;
}

.article-navigation .next {
    position: absolute;
    right: 0;
}

#main-footer {
    background: var(--bg-primary);
    margin-top: 2rem;
    display: block;
}

@media (max-width: 768px) {
    #main-header.scrolled {
        background-color: rgba(255, 255, 255, 0.95);
    }

    #nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        box-shadow: var(--shadow-md);
        padding: 1rem 0;
        border-top: 1px solid var(--border-color);
        transition: transform var(--transition-speed-medium) ease-out, opacity var(--transition-speed-medium) ease-out;
        transform: translateY(-20px);
        opacity: 0;
    }

    #nav-links.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }

    #nav-links li {
        margin: 0;
        width: 100%;
        text-align: center;
    }

    #nav-links a.nav-item {
        display: block;
        padding: 1.2rem 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    #nav-links li:last-child a.nav-item {
        border-bottom: none;
    }

    #nav-links a.nav-item::after {
        display: none;
    }

    #menu-toggle {
        display: block;
    }

    .article-wrapper {
        margin-top: 8rem;
        padding: 1rem 0;
    }

    .article-container {
        padding: 0 1rem;
    }

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

    .article-content {
        font-size: 1rem;
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }

    .article-tags {
        padding: 0.75rem 0;
        margin-bottom: 1.5rem;
    }

    .article-navigation {
        padding: 0.75rem 0;
    }
}

[data-theme="light"] #nav-links a.nav-item {
    color: #000 !important;
}

[data-theme="light"] #nav-links a.nav-item:hover,
[data-theme="light"] #nav-links a.nav-item.active {
    color: #000 !important;
}

[data-theme="light"] #main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}