/* Vercel-inspired Technical Documentation - Light & Dark Mode */
/* MAZE: Orange/Amber accent color scheme (constraint warnings) */

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

:root {
    --text-primary: #000;
    --text-secondary: #666;
    --border: #eaeaea;
    --background: #fff;
    --background-subtle: #fafafa;
    --accent: #F59E0B;  /* Amber/orange accent for MAZE (constraint theme) */
    --code-bg: #fafafa;
    --code-border: #eaeaea;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #ededed;
        --text-secondary: #888;
        --border: #333;
        --background: #000;
        --background-subtle: #111;
        --accent: #FBB040;  /* Brighter amber for dark mode */
        --code-bg: #111;
        --code-border: #333;
    }
}

/* Manual theme override classes */
body.light-theme {
    --text-primary: #000;
    --text-secondary: #666;
    --border: #eaeaea;
    --background: #fff;
    --background-subtle: #fafafa;
    --accent: #F59E0B;
    --code-bg: #fafafa;
    --code-border: #eaeaea;
}

body.dark-theme {
    --text-primary: #ededed;
    --text-secondary: #888;
    --border: #333;
    --background: #000;
    --background-subtle: #111;
    --accent: #FBB040;
    --code-bg: #111;
    --code-border: #333;
}

body {
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.8);
}

body.dark-theme .navbar {
    background: rgba(0, 0, 0, 0.8);
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme):not(.dark-theme) .navbar {
        background: rgba(0, 0, 0, 0.8);
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    min-height: 64px;
}

.nav-brand {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: baseline;
    gap: 0.625rem;
    text-decoration: none;
    transition: opacity 0.2s ease;
    line-height: 1.5;
}

.nav-brand:hover {
    opacity: 0.7;
}

.logo-glyph {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--accent);
}

.logo-glyph::before {
    content: "⊡";  /* Square with rounded corners */
}

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

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.theme-toggle {
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.theme-toggle:hover {
    background: var(--background-subtle);
    color: var(--text-primary);
}

.theme-toggle-icon {
    width: 1em;
    height: 1em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-icon::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 400;
    line-height: 1;
}

/* Light mode shows moon icon */
body.light-theme .theme-toggle-icon::before,
body:not(.dark-theme):not(.light-theme) .theme-toggle-icon::before {
    content: "\f186"; /* moon */
}

/* Dark mode shows sun icon */
body.dark-theme .theme-toggle-icon::before {
    content: "\f185"; /* sun */
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme):not(.dark-theme) .theme-toggle-icon::before {
        content: "\f185"; /* sun when system is dark */
    }
}

/* Main Content */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 5rem;
    right: 2rem;
    width: 280px;
    padding: 1.5rem;
    background: var(--background-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    opacity: 0.95;
    transition: opacity 0.2s ease;
    z-index: 50;
}

.sidebar:hover {
    opacity: 1;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-tagline {
    font-size: 0.875rem;
    font-weight: 400;
    font-style: normal;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', 'Geist Mono', monospace;
    letter-spacing: 0;
    line-height: 1.5;
}


/* Paper Header */
.paper-header {
    padding: 4rem 0 2.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.paper-header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
    color: var(--accent);
}

.header-glyph {
    display: inline-block;
    margin-right: 0.5rem;
    font-weight: 500;
}

.paper-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}

.paper-meta {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.paper-meta a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.paper-meta a:hover {
    opacity: 0.7;
}

/* Sections */
.section {
    margin-bottom: 4rem;
}

.section:last-child {
    margin-bottom: 0;
}

h2 {
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    scroll-margin-top: 80px;
}

h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: var(--text-primary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.875rem;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    color: var(--text-primary);
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    line-height: 1.5;
}

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

ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

/* Diagrams */
.diagram-container {
    margin: 2rem 0;
    text-align: center;
}

.diagram-svg {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--background);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

td:first-child {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

td:last-child {
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9375rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    margin-top: 6rem;
    padding: 3rem 0;
    transition: border-color 0.2s ease;
}

.footer .container {
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive */

@media (max-width: 640px) {
    .navbar .container {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }

    .container {
        padding: 2rem 1rem 4rem 1rem;
    }

    .paper-header h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Hide sidebar on smaller screens */
@media (max-width: 1200px) {
    .sidebar {
        display: none;
    }
}