:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--white); }

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--navbar-scrolled-bg);
    backdrop-filter: blur(20px);
    box-shadow: var(--navbar-shadow);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.35rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.logo i {
    font-size: 1.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    list-style: none;
}

.nav-links a {
    color: var(--gray-light);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-buttons { display: flex; gap: 0.75rem; }

.btn {
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-primary:hover { opacity: 0.9; color: var(--white); }

.btn-outline {
    background: transparent;
    color: var(--gray-light);
    border: 1px solid var(--border);
}

.btn-outline:hover { border-color: var(--primary); color: var(--white); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.75rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--dark-light);
    z-index: 2000;
    padding: 1.5rem;
    transition: right 0.3s ease;
}

.mobile-menu.open { right: 0; }

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.mobile-overlay.open { opacity: 1; pointer-events: auto; }

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.mobile-close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-links { list-style: none; }
.mobile-nav-links li { margin-bottom: 0.5rem; }
.mobile-nav-links a {
    display: block;
    padding: 0.75rem;
    color: var(--gray-light);
    text-decoration: none;
    border-radius: 8px;
}

.mobile-nav-links a:hover { background: rgba(99,102,241,0.1); color: var(--white); }
.mobile-nav-buttons { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }

.page-main { padding-top: 80px; min-height: calc(100vh - 200px); }

/* Docs hero */
.docs-hero {
    padding: 3rem 2rem 2rem;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(99,102,241,0.15) 0%, transparent 60%);
}

.docs-hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.docs-hero p {
    color: var(--gray-light);
    max-width: 640px;
    margin: 0 auto 1.5rem;
}

.docs-search {
    max-width: 480px;
    margin: 0 auto;
    position: relative;
}

.docs-search input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--dark-light);
    color: var(--white);
    font-size: 0.95rem;
}

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

.docs-search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

/* Module grid */
.docs-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem 4rem; }

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.module-card {
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.25s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.module-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99,102,241,0.15);
    color: inherit;
}

.module-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99,102,241,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.module-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.module-card p { font-size: 0.875rem; color: var(--gray-light); margin-bottom: 1rem; }

.module-card-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(99,102,241,0.2);
    color: var(--primary-light);
}

/* Docs detail layout */
.docs-layout {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    align-items: start;
}

.docs-sidebar {
    position: sticky;
    top: 90px;
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
}

.docs-sidebar h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray);
    padding: 0.5rem 0.75rem;
}

.docs-sidebar a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    color: var(--gray-light);
    font-size: 0.875rem;
    text-decoration: none;
}

.docs-sidebar a:hover { background: rgba(99,102,241,0.1); color: var(--white); }
.docs-sidebar a.active {
    background: rgba(99,102,241,0.2);
    color: var(--white);
    font-weight: 600;
}

.docs-content { min-width: 0; }

.docs-breadcrumb {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 1rem;
}

.docs-breadcrumb a { color: var(--gray-light); }

.docs-header { margin-bottom: 2rem; }

.docs-header h1 {
    font-size: 2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.docs-header h1 i { color: var(--primary-light); }

.docs-header .summary { color: var(--gray-light); font-size: 1.05rem; }

.role-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.role-tag {
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    background: rgba(14,165,233,0.15);
    color: #38bdf8;
    border: 1px solid rgba(14,165,233,0.25);
}

.docs-section {
    margin-bottom: 2.5rem;
}

.docs-section h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.docs-section .section-body {
    color: var(--gray-light);
}

.docs-section .section-body ul,
.docs-section .section-body ol {
    padding-left: 1.5rem;
    margin-top: 0.5rem;
}

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

.docs-section .section-body p { margin-bottom: 0.75rem; }

.docs-section .section-body code {
    background: rgba(99,102,241,0.15);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.menu-item-card {
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.menu-item-card h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.menu-item-card h4 i { color: var(--primary-light); }

.menu-item-card p {
    font-size: 0.85rem;
    color: var(--gray-light);
    margin-bottom: 0.75rem;
}

.menu-item-card .menu-roles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.menu-item-card .menu-roles span {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: rgba(148,163,184,0.1);
    color: var(--gray-light);
}

.menu-item-card .route-hint {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.5rem;
    font-family: monospace;
}

.sidebar-toggle {
    display: none;
    margin-bottom: 1rem;
    width: 100%;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    margin-top: 2rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.footer-brand p { color: var(--gray); font-size: 0.875rem; margin-top: 0.5rem; }

.footer-links h4 { margin-bottom: 0.75rem; font-size: 0.9rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { color: var(--gray-light); font-size: 0.875rem; text-decoration: none; }
.footer-links a:hover { color: var(--white); }

.footer-bottom {
    max-width: 1200px;
    margin: 1.5rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--gray);
    font-size: 0.8rem;
}

.module-card.hidden { display: none; }

@media (max-width: 900px) {
    .nav-links, .nav-buttons { display: none; }
    .mobile-menu-btn { display: block; }

    .docs-layout {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .docs-sidebar {
        position: fixed;
        top: 0; left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1500;
        border-radius: 0;
        max-height: 100vh;
        transition: left 0.3s;
    }

    .docs-sidebar.open { left: 0; }

    .sidebar-toggle { display: flex; }
}