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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #00876C 0%, #00C9A7 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    overflow: hidden;
}

/* Header Navigation */
header {
    background: linear-gradient(135deg, #00876C 0%, #00C9A7 100%);
    color: white;
    padding: 0;
}

.site-title {
    padding: 30px 40px 20px 40px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.site-title h1 {
    font-size: 2.5em;
    margin-bottom: 5px;
    color: white;
}

.site-title .tagline {
    font-size: 1.1em;
    opacity: 0.95;
    color: white;
}

nav {
    padding: 0;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    margin: 0;
}

nav li {
    flex: 1;
    min-width: 150px;
}

nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.2);
    transition: background 0.3s ease;
    font-weight: 500;
}

nav li:last-child a {
    border-right: none;
}

nav a:hover,
nav a.active {
    background: rgba(0,0,0,0.2);
}

/* Content */
.content {
    padding: 40px;
}

h1 {
    color: #00876C;
    margin-bottom: 20px;
    font-size: 2.5em;
}

h2 {
    color: #00695C;
    margin: 30px 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 3px solid #00876C;
    font-size: 1.8em;
}

h3 {
    color: #00876C;
    margin: 25px 0 15px 0;
    font-size: 1.4em;
}

h4 {
    color: #333;
    margin: 20px 0 10px 0;
    font-size: 1.2em;
}

p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #444;
}

/* Intro Section */
.intro {
    background: linear-gradient(135deg, #00876C15 0%, #00C9A715 100%);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    border: 2px solid #00876C30;
}

.intro h2 {
    border-bottom: none;
    margin-top: 0;
}

.intro p {
    font-size: 1.05em;
    line-height: 1.8;
    margin-bottom: 15px;
}

.intro ul {
    margin: 15px 0 15px 30px;
    line-height: 1.9;
}

.intro ul li {
    margin-bottom: 8px;
    color: #555;
}

.intro strong {
    color: #00876C;
    font-weight: 600;
}

/* Highlight Boxes */
.highlight-box {
    background: #e0f7f4;
    border-left: 5px solid #00876C;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
}

.highlight-box h3 {
    color: #00695C;
    margin-top: 0;
}

.info-box {
    background: #f0f8ff;
    border-left: 5px solid #2196F3;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
}

.info-box h3 {
    color: #1976D2;
    margin-top: 0;
}

.warning-box {
    background: #fff8e1;
    border-left: 5px solid #ffa726;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
}

.warning-box h3 {
    color: #f57c00;
    margin-top: 0;
}

/* Commands */
.command {
    background: #f8f9fa;
    border-left: 4px solid #00876C;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.command:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.command-title {
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

code {
    background: #2d3748;
    color: #48bb78;
    padding: 3px 8px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    display: inline-block;
    margin: 2px 0;
}

pre {
    background: #2d3748;
    color: #48bb78;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 10px 0;
}

pre code {
    background: none;
    padding: 0;
    margin: 0;
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.feature-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: #00876C;
    box-shadow: 0 5px 15px rgba(0, 135, 108, 0.2);
    transform: translateY(-5px);
}

.feature-card h3 {
    color: #00876C;
    margin-top: 0;
    margin-bottom: 10px;
}

.feature-card p {
    margin-bottom: 10px;
}

.feature-card ul {
    margin-left: 20px;
    margin-top: 10px;
}

.feature-card li {
    margin-bottom: 5px;
    color: #555;
}

/* Diagrams */
.diagram-container {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
    text-align: center;
}

.diagram-container h3 {
    margin-top: 0;
    margin-bottom: 20px;
}

.diagram-container svg {
    max-width: 100%;
    height: auto;
}

/* Comparison Table */
.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.comparison-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
}

.comparison-card h3 {
    margin-top: 0;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 2px solid #00876C;
}

.comparison-card h4 {
    color: #00876C;
    font-size: 1em;
    margin-top: 15px;
    margin-bottom: 5px;
}

.comparison-card ul {
    margin-left: 20px;
}

.comparison-card li {
    margin-bottom: 5px;
    font-size: 0.95em;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
}

th {
    background: #00876C;
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid #e9ecef;
}

tr:hover {
    background: #f8f9fa;
}

/* Lists */
ul, ol {
    margin: 15px 0 15px 30px;
}

li {
    margin-bottom: 8px;
    line-height: 1.7;
}

/* Notes */
.note {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 5px;
}

.note strong {
    color: #856404;
}

/* Footer */
footer {
    background: #2d3748;
    color: white;
    padding: 20px 40px;
    text-align: center;
    font-size: 0.9em;
}

footer a {
    color: #00C9A7;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .content {
        padding: 20px;
    }

    nav ul {
        flex-direction: column;
    }

    nav li {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
    }

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

    .comparison-table {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }
}