/* VoxityAI™ Documentation Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #3b82f6;
    --primary-blue-dark: #2563eb;
    --primary-blue-light: #60a5fa;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --gradient-bg: radial-gradient(ellipse at center, #e0f2fe 0%, #ffffff 50%, #f3e8ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--gradient-bg);
    color: var(--gray-700);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Header Styles */
.docs-header {
    height: 70px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo Styles */
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 20px;
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 22px;
    letter-spacing: -0.02em;
}

.docs-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
    margin-left: 8px;
    padding: 4px 10px;
    background: var(--gray-100);
    border-radius: 6px;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 15px;
    transition: all var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-main-site {
    padding: 12px 20px !important;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.btn-main-site:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, #1d4ed8 100%);
}

.btn-main-site .icon {
    width: 16px;
    height: 16px;
}

/* Search Styles */
.search-container {
    position: relative;
    margin-right: 20px;
}

.search-input {
    width: 320px;
    padding: 12px 16px 12px 44px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    background: var(--white);
    font-size: 14px;
    color: var(--gray-700);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--shadow-md);
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--gray-400);
    pointer-events: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 1001;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all var(--transition-fast);
    flex-direction: column;
    gap: 3px;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--gray-600);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 24px;
    z-index: 999;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-10px);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.mobile-search {
    margin-bottom: 20px;
    position: relative;
}

.mobile-search .search-input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 16px;
}

.mobile-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--gray-500);
    pointer-events: none;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-links a {
    padding: 12px 0;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    border-bottom: 1px solid var(--gray-100);
    transition: color var(--transition-fast);
    font-size: 16px;
}

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

.mobile-nav-links a:last-child {
    border-bottom: none;
}

@media (max-width: 1024px) {
    .nav-links {
        display: none !important;
    }
    
    .search-container {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 16px;
    }
    
    .logo-text,
    .docs-label {
        display: none;
    }
    
    .mobile-menu {
        padding: 16px 20px;
    }
}

body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}


/* Main Container */
.docs-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    min-height: calc(100vh - 70px);
    gap: 32px;
    padding: 0 24px;
}

/* Sidebar */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    padding: 32px 0;
    position: sticky;
    top: 102px;
    height: fit-content;
    max-height: calc(100vh - 134px);
    overflow-y: auto;
}

.sidebar-nav {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.nav-section {
    margin-bottom: 24px;
}

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

.nav-section-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gray-100);
}

.nav-list {
    list-style: none;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
    position: relative;
}

.nav-link:hover {
    background: var(--gray-50);
    color: var(--primary-blue);
    transform: translateX(4px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 0;
    max-width: calc(100% - 312px);
}

/* Sticky Notice */
.sticky-notice {
    position: relative; 
    z-index: 100;
    margin-bottom: 24px; 
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notice-content {
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    border: 1px solid #f59e0b;
    border-radius: 12px; 
    padding: 20px; 
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.notice-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px; 
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.notice-icon {
    font-size: 20px;
    margin-bottom: 6px; 
    display: inline-block;
}

.notice-text {
    color: #92400e;
    font-size: 13px; 
    line-height: 1.5;
    font-weight: 500;
}

.notice-text strong {
    color: #78350f;
    font-weight: 700;
}

.notice-text a {
    color: #78350f;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid #f59e0b;
    transition: all var(--transition-fast);
}

.notice-text a:hover {
    background: #f59e0b;
    color: var(--white);
    padding: 2px 4px;
    border-radius: 4px;
}

/* Content Sections */
.content-section {
    display: none;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    margin-bottom: 32px;
}

.content-section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 40px 40px 32px;
    border-bottom: 1px solid var(--gray-100);
}

.content-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    font-weight: 500;
    margin: 0;
}

.content-body {
    padding: 40px;
}

.content-body p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.7;
}

.content-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gray-100);
}

.content-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 24px 0 12px;
}

.content-body h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-700);
    margin: 20px 0 8px;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.feature-card {
    background: var(--gray-50);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-600);
    margin: 0;
}

/* Quick Links */
.quick-links {
    margin: 40px 0;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.quick-link:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.link-icon {
    font-size: 1.2rem;
}

.link-text {
    font-size: 14px;
}

/* Requirements Grid */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.requirement-card {
    background: var(--gray-50);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.requirement-card.recommended {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: var(--accent-green);
    position: relative;
}

.requirement-card.recommended::before {
    content: '⭐ Recommended';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent-green);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.requirement-card h3 {
    margin-bottom: 16px;
    color: var(--gray-800);
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.requirement-card li:last-child {
    border-bottom: none;
}

.requirement-card strong {
    color: var(--gray-800);
    font-weight: 600;
    min-width: 80px;
    display: inline-block;
}

/* GPU Support */
.gpu-support {
    margin: 40px 0;
}

.gpu-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.gpu-card {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.gpu-card h4 {
    margin-bottom: 12px;
    color: var(--gray-800);
}

.gpu-card p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.performance-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.performance-badge.high {
    background: #dcfce7;
    color: #166534;
}

.performance-badge.medium {
    background: #fef3c7;
    color: #92400e;
}

.performance-badge.low {
    background: #fee2e2;
    color: #991b1b;
}

/* Quick Start Steps */
.quick-start-steps {
    margin: 32px 0;
}

.step-card {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 12px;
    color: var(--gray-800);
}

.step-content p {
    margin-bottom: 16px;
    color: var(--gray-600);
}

.code-block {
    background: var(--gray-900);
    color: #e5e7eb;
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin: 16px 0;
}

.tip-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid var(--primary-blue-light);
    border-left: 4px solid var(--primary-blue);
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
    font-size: 14px;
    color: var(--gray-700);
}

.tip-box strong {
    color: var(--primary-blue-dark);
}

/* Success Indicator */
.success-indicator {
    display: flex;
    gap: 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid var(--accent-green);
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.success-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.success-text h3 {
    color: var(--accent-green);
    margin-bottom: 8px;
}

.success-text p {
    color: #065f46;
    margin: 0;
}

/* Lists */
.content-body ul {
    margin: 16px 0;
    padding-left: 20px;
}

.content-body li {
    margin-bottom: 8px;
    color: var(--gray-700);
}

.content-body li strong {
    color: var(--gray-800);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .docs-container {
        padding: 0 20px;
        gap: 24px;
    }

    .sidebar {
        width: 260px;
    }

    .search-input {
        width: 260px;
    }
}

@media (max-width: 1024px) {
    .docs-container {
        flex-direction: column;
        gap: 0;
    }

    .sidebar {
        width: 100%;
        position: static;
        max-height: none;
        padding: 20px 0;
    }

    .main-content {
        max-width: 100%;
        padding: 20px 0;
    }

    .sticky-notice {
        position: static;
        margin-bottom: 20px;
    }

    .nav-links {
        display: none;
    }

    .search-container {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu.active {
        display: block;
        animation: slideDown 0.2s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

@media (max-width: 768px) {
    .docs-container {
        padding: 0 16px;
    }

    .header-content {
        padding: 0 16px;
    }

    .content-header {
        padding: 24px 20px 20px;
    }

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

    .content-body {
        padding: 24px 20px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .link-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .step-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .success-indicator {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .notice-content {
        padding: 20px;
    }

    .notice-text {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .docs-header {
        height: 60px;
    }

    .header-content {
        padding: 0 12px;
    }

    .logo-text {
        font-size: 18px;
    }

    .docs-label {
        display: none;
    }

    .content-header h1 {
        font-size: 1.8rem;
    }

    .content-subtitle {
        font-size: 1rem;
    }

    .sidebar-nav {
        padding: 16px;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}