/* Supply Chain Resilience Documentation - GitHub Pages Style */

:root {
    --primary-color: #4a4a4a;
    --secondary-color: #8b1a1a;
    --accent-color: #c0392b;
    --light-color: #f0eeee;
    --dark-color: #2d2d2d;
    --text-color: #333;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --border-color: #d1cece;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Header */
.header {
    background-color: #4a4a4a;
    border-bottom: 4px solid #8b1a1a;
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Navigation */
.nav {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.5);
    border-bottom-color: var(--secondary-color);
}

.nav-links a.active {
    background-color: white;
    border-bottom-color: var(--secondary-color);
}

.logo {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--dark-color);
    text-decoration: none;
}

/* Main Content */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 2rem 0;
    background-color: var(--light-color);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.hero h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* Content Sections */
.section {
    margin-bottom: 3rem;
}

.section h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.section h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin: 1.5rem 0 1rem 0;
}

.section h4 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin: 1.2rem 0 0.8rem 0;
}

.p {
    margin-bottom: 1rem;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

.card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

tr:hover {
    background-color: var(--light-color);
}

/* Code Blocks */
pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

code {
    background: var(--light-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

/* Info Boxes */
.info-box {
    background: #fdf5f5;
    border-left: 4px solid var(--secondary-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.info-box h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.warning-box {
    background: #fff3e0;
    border-left: 4px solid var(--warning-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.warning-box h4 {
    color: var(--warning-color);
    margin-bottom: 0.5rem;
}

.error-box {
    background: #ffebee;
    border-left: 4px solid var(--accent-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.error-box h4 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

/* Lists */
ul, ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

ul {
    list-style-type: disc;
}

ol {
    list-style-type: decimal;
}

li {
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
    margin: 0.5rem 0;
}

.btn:hover {
    background: #6b1010;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-outline:hover {
    background: var(--secondary-color);
    color: white;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }

    .nav-links {
        flex-direction: column;
    }

    .nav-links a {
        padding: 0.75rem 1rem;
        text-align: center;
    }

    .nav-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 0.75rem 0.5rem;
    }
}

/* Table of Contents */
.toc {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.toc h3 {
    margin-bottom: 1rem;
}

.toc ul {
    padding-left: 1.5rem;
}

.toc li {
    margin-bottom: 0.5rem;
}

.toc a {
    color: var(--primary-color);
    text-decoration: none;
}

.toc a:hover {
    text-decoration: underline;
}

/* Syntax Highlighting */
pre .keyword { color: #bb86fc; }
pre .string { color: #4fd8c3; }
pre .number { color: #ffa726; }
pre .comment { color: #81c784; }
pre .function { color: #ffd54f; }

/* Back to top button */
.back-to-top {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.5rem 1rem;
    background: var(--light-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

.back-to-top:hover {
    background: var(--secondary-color);
    color: white;
}

/* Print Styles */
@media print {
    .nav, .footer, .back-to-top {
        display: none;
    }
    
    body {
        padding: 0;
    }
    
    .main {
        padding: 0;
    }
}

/* Language Toggle */
[data-lang="da"]:not(body) { display: none; }

body[data-lang="da"] [data-lang="en"] { display: none; }
body[data-lang="da"] div[data-lang="da"],
body[data-lang="da"] section[data-lang="da"] { display: block; }
body[data-lang="da"] span[data-lang="da"] { display: inline; }
body[data-lang="da"] td[data-lang="da"],
body[data-lang="da"] th[data-lang="da"] { display: table-cell; }

.lang-toggle {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.3s ease;
    margin-left: 1rem;
    white-space: nowrap;
}

.lang-toggle:hover {
    background: #6b1010;
}