/* Sphinx-like Professional Documentation Styles */
/* Beep DataSources — adapted from Beep Streaming / DME docs */

:root {
    /* Color Palette */
    --color-foreground-primary: #0f172a;
    --color-foreground-secondary: #475569;
    --color-foreground-muted: #64748b;
    --color-background-primary: #f8fafc;
    --color-background-secondary: #ffffff;
    --color-background-hover: #f1f5f9;
    --color-background-border: #e2e8f0;

    /* Brand Colors — data / connector theme */
    --color-brand-primary: #2563eb;
    --color-brand-secondary: #0d47a1;
    --color-brand-light: #e3f2fd;
    --color-brand-content: #2563eb;

    /* Links */
    --color-link: #2563eb;
    --color-link-underline: #2563eb;
    --color-link-hover: #1d4ed8;

    /* Code */
    --color-code-background: #f8f8f8;
    --color-code-foreground: #37474f;

    /* Admonitions */
    --color-admonition-title: #404040;
    --color-admonition-title-background: #e3f2fd;

    /* Layout */
    --sidebar-width: 15rem;
    --content-padding: 1.5rem;

    /* Typography */
    --font-size--small: 0.875rem;
    --font-size--normal: 1rem;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-h4: 1.25rem;
    --font-size-h5: 1.125rem;
    --font-size-h6: 1rem;

    /* Shadows */
    --shadow-elevation-low: none;
    --shadow-elevation-medium: none;

    /* Borders */
    --border-radius: 8px;

    /* Status Colors */
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-info: #0ea5e9;

    /* Aliases */
    --color-text: var(--color-foreground-primary);
    --color-text-secondary: var(--color-foreground-secondary);
    --color-text-muted: var(--color-foreground-muted);
    --color-border: var(--color-background-border);
    --color-border-light: #e1e8ed;
    --color-primary: var(--color-brand-primary);
    --color-primary-light: var(--color-brand-light);
}

/* Dark Theme */
[data-theme="dark"] {
    --color-foreground-primary: #e2e8f0;
    --color-foreground-secondary: #94a3b8;
    --color-foreground-muted: #94a3b8;
    --color-background-primary: #0f172a;
    --color-background-secondary: #1e293b;
    --color-background-hover: #334155;
    --color-background-border: #334155;
    --color-brand-primary: #3b82f6;
    --color-brand-content: #3b82f6;
    --color-link: #3b82f6;
    --color-link-underline: #3b82f6;
    --color-link-hover: #60a5fa;
    --color-code-background: #282c34;
    --color-code-foreground: #abb2bf;
}

/* Reset */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, 'Roboto', sans-serif;
    font-size: var(--font-size--normal);
    line-height: 1.6;
    color: var(--color-foreground-primary);
    background-color: var(--color-background-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-foreground-primary);
}
h1 { font-size: var(--font-size-h1); margin-bottom: 1rem; }
h2 { font-size: var(--font-size-h2); margin: 2rem 0 1rem 0; }
h3 { font-size: var(--font-size-h3); margin: 1.5rem 0 0.75rem 0; }
h4 { font-size: var(--font-size-h4); margin: 1.25rem 0 0.5rem 0; }
h5 { font-size: var(--font-size-h5); margin: 1rem 0 0.5rem 0; }
h6 { font-size: var(--font-size-h6); margin: 1rem 0 0.5rem 0; }

p { margin: 0 0 1rem 0; line-height: 1.6; }

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

ul, ol { margin: 0 0 1rem 0; padding-left: 1.5rem; }
li { margin-bottom: 0.25rem; }

/* Layout */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-background-secondary);
    border-right: 1px solid var(--color-background-border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.logo {
    padding: 1rem;
    border-bottom: 1px solid var(--color-background-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: var(--color-brand-primary);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.logo-text h2 {
    font-size: 1.125rem;
    margin: 0;
    font-weight: 700;
    color: var(--color-foreground-primary);
}

.version {
    font-size: 0.75rem;
    color: var(--color-foreground-secondary);
    background: var(--color-background-border);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

/* Navigation */
.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

.nav-menu li { margin: 0; }

.nav-menu > li > a {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: var(--color-foreground-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.nav-menu > li > a:hover {
    background-color: var(--color-background-hover);
    color: var(--color-foreground-primary);
    text-decoration: none;
}

.nav-menu > li > a.active {
    background-color: var(--color-brand-primary);
    color: white;
    font-weight: 500;
}

.has-submenu > a::after {
    content: "›";
    margin-left: auto;
    transition: transform 0.2s ease;
    font-size: 1rem;
}

.has-submenu.open > a::after {
    transform: rotate(90deg);
}

.submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--color-background-primary);
}

.has-submenu.open .submenu { max-height: 600px; }

.submenu a {
    display: flex;
    align-items: center;
    padding: 0.4rem 1rem 0.4rem 2.5rem;
    color: var(--color-foreground-secondary);
    font-size: 0.8125rem;
    border-left: 2px solid transparent;
    text-decoration: none;
    transition: all 0.2s ease;
}

.submenu a:hover {
    border-left-color: var(--color-brand-primary);
    color: var(--color-foreground-primary);
    text-decoration: none;
}

.submenu a.active {
    background: var(--color-background-hover);
    color: var(--color-brand-primary);
    border-left-color: var(--color-brand-primary);
    font-weight: 500;
}

/* Main Content */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    background: var(--color-background-primary);
    min-height: 100vh;
}

.content-wrapper {
    max-width: 52rem;
    margin: 0 auto;
    padding: var(--content-padding);
}

/* Page Header */
.page-header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-background-border);
    margin-bottom: 2rem;
}

.page-header h1 {
    margin: 0;
    font-size: 2.25rem;
    font-weight: 700;
}

.page-subtitle {
    margin-top: 0.5rem;
    color: var(--color-foreground-secondary);
    font-size: 1.125rem;
    margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb-nav {
    background: var(--color-background-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-background-border);
}

.breadcrumb-nav a { color: var(--color-link); }
.breadcrumb-nav span { color: var(--color-foreground-muted); margin: 0 0.5rem; }

/* Sections */
.section { margin-bottom: 2rem; }

.section h2 {
    border-bottom: 1px solid var(--color-background-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Code */
pre[class*="language-"] {
    margin: 1rem 0;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-background-border);
    font-size: 0.8125rem;
}

.code-example {
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-background-border);
}

.code-example h4 {
    background: var(--color-background-secondary);
    margin: 0;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-bottom: 1px solid var(--color-background-border);
}

.code-example pre { margin: 0; border: none; border-radius: 0; }

code {
    background: var(--color-code-background);
    color: var(--color-code-foreground);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-family: 'Fira Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 0.875em;
}

pre code { background: transparent; padding: 0; }

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th {
    background: var(--color-background-secondary);
    color: var(--color-foreground-primary);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    border-bottom: 1px solid var(--color-background-border);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-background-border);
    vertical-align: top;
}

tr:last-child td { border-bottom: none; }
tr:hover { background: var(--color-background-hover); }

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature-card {
    background: var(--color-background-secondary);
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-elevation-medium);
    border-color: var(--color-brand-primary);
}

.feature-card-icon {
    font-size: 1.75rem;
    color: var(--color-brand-primary);
    margin-bottom: 0.75rem;
}

.feature-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
}

.feature-card p {
    margin: 0;
    color: var(--color-foreground-secondary);
    font-size: 0.875rem;
}

/* Quick Start */
.quick-start {
    background: linear-gradient(135deg, var(--color-brand-light) 0%, var(--color-background-secondary) 100%);
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.quick-start h2 {
    margin: 0 0 1rem 0;
    border: none;
    padding: 0;
}

.quick-start p {
    margin-bottom: 1.5rem;
    color: var(--color-foreground-secondary);
}

.quick-start-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-beep {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-brand-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-beep:hover {
    background: var(--color-brand-secondary);
    text-decoration: none;
    color: white;
    box-shadow: var(--shadow-elevation-medium);
}

.btn-beep-outline {
    background: transparent;
    border: 1px solid var(--color-brand-primary);
    color: var(--color-brand-primary);
}

.btn-beep-outline:hover {
    background: var(--color-brand-primary);
    color: white;
}

/* Admonitions */
.tip, .note, .warning, .danger, .success {
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.tip    { border-left-color: #17a2b8; background: rgba(23,162,184,0.08); }
.note   { border-left-color: #6c757d; background: rgba(108,117,125,0.08); }
.warning{ border-left-color: #ffc107; background: rgba(255,193,7,0.08); }
.danger { border-left-color: #dc3545; background: rgba(220,53,69,0.08); }
.success{ border-left-color: #28a745; background: rgba(40,167,69,0.08); }

.tip strong, .note strong, .warning strong, .danger strong, .success strong {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Method Signature */
.method-signature {
    background: var(--color-background-secondary);
    border-left: 4px solid var(--color-brand-primary);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-family: 'Fira Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 0.875rem;
    overflow-x: auto;
}

.return-type   { color: var(--color-success); font-weight: bold; }
.parameter-type{ color: var(--color-info); font-weight: bold; }

/* Nav Links */
.nav-links {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-background-border);
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    color: var(--color-foreground-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background: var(--color-background-hover);
    text-decoration: none;
    box-shadow: var(--shadow-elevation-low);
    border-color: var(--color-brand-primary);
}

/* Footer */
.documentation-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-background-border);
    color: var(--color-foreground-secondary);
    font-size: 0.875rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links { display: flex; gap: 1rem; }
.footer-links a { color: var(--color-foreground-secondary); font-size: 0.875rem; }

/* Search */
.search-container {
    padding: 1rem;
    border-bottom: 1px solid var(--color-background-border);
}

.search-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    background: var(--color-background-primary);
    color: var(--color-foreground-primary);
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-brand-primary);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-background-border);
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 1001;
    font-size: 1.125rem;
    color: var(--color-foreground-primary);
}

.theme-toggle:hover {
    background: var(--color-background-hover);
    box-shadow: var(--shadow-elevation-medium);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-background-border);
    border-radius: var(--border-radius);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    z-index: 1002;
    font-size: 1.25rem;
    color: var(--color-foreground-primary);
}

/* Comparison table checkmarks */
.check  { color: var(--color-success); font-weight: 700; }
.cross  { color: var(--color-danger);  font-weight: 700; }
.partial{ color: var(--color-warning); font-weight: 700; }

/* Command reference */
.cmd {
    font-family: 'Fira Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 0.875em;
    color: var(--color-brand-primary);
}

/* Steps */
.steps { counter-reset: step-counter; list-style: none; padding: 0; }
.steps li {
    counter-increment: step-counter;
    padding: 1rem 1rem 1rem 3rem;
    margin-bottom: 0.75rem;
    background: var(--color-background-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-background-border);
    position: relative;
}
.steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0.75rem;
    top: 1rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--color-brand-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.open { transform: translateX(0); }
    .content { margin-left: 0; }
    .content-wrapper { padding: 1rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .quick-start-buttons { flex-direction: column; align-items: center; }
    .nav-links { flex-direction: column; gap: 0.5rem; }
    .footer-content { flex-direction: column; text-align: center; }
    .mobile-menu-toggle { display: block; }
}

@media print {
    .sidebar, .nav-links, .theme-toggle, .mobile-menu-toggle { display: none; }
    .content { margin-left: 0; }
    .content-wrapper { max-width: none; padding: 0; }
}