:root {
    --color-primary: #0a509c;
    --color-bg: #f0f5ff;
    --color-cta: #ef8316;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-border: #d0dcf2;
    --font-main: 'Open Sans', sans-serif;
}

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

[v-cloak] {
    display: none;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.site-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
}

.mobile-menu-toggle {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
}

/* Layout */
.main-layout {
    display: flex;
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: 300px;
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    padding: 2rem 1rem;
    overflow-y: auto;
    flex-shrink: 0;
}

.article-nav h2 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.article-content {
    line-height: 1.8;
}

/* Custom Alert / Information blocks format ||| */
.custom-alert {
    padding: 1rem;
    margin: 1.5rem 0;
    border-radius: 6px;
    background-color: var(--color-bg);
    border-left: 4px solid var(--color-primary);
}

.custom-alert.warning {
    border-left-color: var(--color-cta);
    background-color: #fdf5eb;
}

.article-nav ul {
    list-style: none;
}

.article-nav li {
    margin-bottom: 0.5rem;
}

.article-nav a {
    text-decoration: none;
    color: var(--color-text);
    display: block;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.article-nav a:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}

.article-nav a.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 2rem;
    background-color: var(--color-white);
    min-height: 600px;
}

.article-content h1 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.article-content h2 {
    color: var(--color-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.article-content p {
    margin-bottom: 1rem;
}

.article-content ul, .article-content ol {
    margin-bottom: 1rem;
    margin-left: 2rem;
}

.article-content a {
    color: var(--color-cta);
    text-decoration: none;
}

.article-content a:hover {
    text-decoration: underline;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

/* Video Container */
.video-container {
    margin: 2rem 0;
    background-color: var(--color-bg);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.video-container p {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.video-container iframe {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 16 / 9;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Footer */
.site-footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 1rem;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--color-primary);
    text-decoration: none;
    margin-right: 1.5rem;
}

.footer-links a:hover {
    color: var(--color-cta);
    text-decoration: underline;
}

.footer-copyright {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        display: none;
    }

    .sidebar.sidebar-open {
        display: block;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        margin-bottom: 0.5rem;
    }
    
    .footer-links a {
        margin: 0 0.75rem;
    }
}

/* Custom Alert Types */
.custom-alert-tip {
    border-left-color: #28a745;
    background-color: #f0fdf4;
}

.custom-alert-info {
    border-left-color: #17a2b8;
    background-color: #e0f2fe;
}

.custom-alert-danger {
    border-left-color: #dc3545;
    background-color: #fef2f2;
}

/* Search Box */
.search-box {
    margin-bottom: 1rem;
}
.search-box input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
}
.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}