:root {
    --bg-color: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #374151;
    --text-muted: #6B7280;
    --accent-purple: #1d4ed8;
    --accent-blue: #2563EB;
    --border-color: #E5E7EB;
    --code-bg: #F3F4F6;
    --max-width: 900px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
.top-nav {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: white;
    z-index: 1000;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #1d4ed8;
    /* Deep Blue from docklog.png */
    text-decoration: none;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-links a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.nav-links a.active {
    color: var(--accent-purple);
}

.search-icon {
    color: var(--text-muted);
    cursor: pointer;
}

/* Breadcrumbs */
.breadcrumbs {
    max-width: var(--max-width);
    margin: 2rem auto 0;
    padding: 0 2rem;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.breadcrumb-trail a {
    color: inherit;
    text-decoration: none;
}

.breadcrumb-trail span {
    margin: 0 0.5rem;
}

/* Main Content Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
}

h1 {
    font-size: 48px;
    font-weight: 600;
    color: #000000;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    line-height: 1.1;
}

h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

.intro {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Lists */
ul {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

li::marker {
    color: var(--text-muted);
    content: "- ";
}

/* Code */
code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-secondary);
}

pre {
    background-color: var(--code-bg);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.5;
}

/* Callouts/Cards */
.callout {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    background: white;
}

.callout h4 {
    margin-bottom: 1rem;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Links */
a {
    color: var(--accent-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4rem;
}

/* Command Examples Styling */
.command-box {
    border-left: 4px solid var(--accent-purple);
    background: #FAFAFA;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.command-box h3 {
    margin-top: 0;
    font-size: 18px;
    color: var(--accent-purple);
}

.command-box p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.command-box pre {
    margin: 0;
    background: #1E1E1E;
    /* Dark terminal look */
    color: #E5E7EB;
}

.command-box pre code {
    color: #E5E7EB;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    .top-nav {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }
}