/* Base styles */
    :root {
        --primary-color: #4285f4;
        --accent-blue: #1a73e8;
        --accent-blue-glow: rgba(26, 115, 232, 0.3);
        --accent-green-glow: rgba(34, 197, 94, 0.3);
        --accent-white-glow: rgba(255, 255, 255, 0.3);
        --text-color: #e8eaed;
        --light-text: #9aa0a6;
        --border-color: rgba(255, 255, 255, 0.1);
        --hover-color: rgba(255, 255, 255, 0.05);
        --active-color: rgba(66, 133, 244, 0.2);
        --background-color: #0a0a0a;
        --card-bg: rgba(20, 20, 20, 0.8);
        --card-hover-bg: rgba(30, 30, 30, 0.9);
        --sidebar-width: 240px;
        --header-height: 64px;
        --nav-height: 48px;
        --section-spacing: 40px;
        --scrollbar-thumb: var(--accent-blue);
        --scrollbar-track: var(--card-bg);
    }

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

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

    /* Scrollbar styling */
    ::-webkit-scrollbar {
        width: 5px;
        height: 5px;
    }

    ::-webkit-scrollbar-track {
        background: var(--scrollbar-track);
    }

    ::-webkit-scrollbar-thumb {
        background: var(--scrollbar-thumb);
        border-radius: 50px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--accent-blue-glow);
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        color: var(--text-color);
        line-height: 1.5;
        background-color: var(--background-color);
        background-image:
            radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 20%),
            radial-gradient(circle at 90% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 20%);
        background-attachment: fixed;
    }

    a {
        color: var(--primary-color);
        text-decoration: none;
        transition: all 0.3s ease;
    }

    a:hover {
        text-decoration: none;
        opacity: 0.8;
    }

    ul,
    ol {
        padding-left: 24px;
        margin: 16px 0;
    }

    li {
        margin-bottom: 12px;
    }

    /* Header styles */
    header {
        height: var(--header-height);
        border-bottom: 1px solid var(--border-color);
        backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 100;
        background-color: rgba(10, 10, 10, 0.8);
    }

    .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 16px;
        height: 100%;
    }

    .logo-container {
        display: flex;
        align-items: center;
    }

    .logo {
        height: 32px;
        margin-right: 12px;
        filter: drop-shadow(0 0 8px rgba(66, 133, 244, 0.6));
    }

    .logo-container h1 {
        font-size: 20px;
        font-weight: 500;
        background: linear-gradient(90deg, #fff, #ccc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
    }

    .header-actions {
        display: flex;
        align-items: center;
    }

    .icon-button {
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        border-radius: 50%;
        color: var(--light-text);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .icon-button svg {
        fill: var(--light-text);
        transition: fill 0.3s ease;
        position: relative;
        z-index: 2;
    }

    .icon-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(66, 133, 244, 0.2) 0%, transparent 70%);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 1;
    }

    .icon-button:hover {
        transform: translateY(-2px);
    }

    .icon-button:hover::before {
        opacity: 1;
    }

    .icon-button:hover svg {
        fill: var(--primary-color);
    }

    /* Main navigation */
    .main-nav {
        height: var(--nav-height);
        border-bottom: 1px solid var(--border-color);
        background-color: rgba(10, 10, 10, 0.6);
        backdrop-filter: blur(10px);
        position: sticky;
        top: var(--header-height);
        z-index: 99;
    }

    .nav-container {
        display: flex;
        max-width: 1200px;
        margin: 0 auto;
        height: 100%;
        padding-left: 10px;
    }

    .nav-item {
        display: flex;
        align-items: center;
        padding: 0 20px;
        color: var(--text-color);
        font-size: 14px;
        position: relative;
        transition: all 0.3s ease;
    }

    .nav-item:hover {
        color: var(--primary-color);
        text-decoration: none;
    }

    .nav-item.active {
        color: var(--primary-color);
    }

    .nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background-color: var(--primary-color);
        box-shadow: 0 0 10px var(--accent-blue-glow);
    }

    /* Container layout */
    .container {
        display: flex;
        max-width: 1200px;
        margin: 0 auto;
        padding-top: 20px;
    }

    /* Sidebar styles */
    .sidebar {
        width: var(--sidebar-width);
        flex-shrink: 0;
        padding-right: 20px;
    }

    .side-nav {
        position: sticky;
        top: calc(var(--header-height) + var(--nav-height) + 20px);
        border-radius: 12px;
        padding: 15px 0;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
        border: 1px solid var(--border-color);
        overflow: hidden;
    }

    .side-nav::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--accent-blue-glow), transparent);
    }

    .side-nav-item {
        display: block;
        padding: 12px 20px;
        margin: 4px 8px;
        color: var(--text-color);
        font-size: 14px;
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    .side-nav-item:hover {
        background-color: var(--hover-color);
        text-decoration: none;
        transform: translateX(5px);
    }

    .side-nav-item.active {
        background-color: var(--active-color);
        color: var(--primary-color);
        font-weight: 500;
        box-shadow: 0 0 10px rgba(66, 133, 244, 0.2);
    }

    /* Content styles */
    .content {
        flex: 1;
        padding: 0 0 48px 24px;
        border-left: 1px solid var(--border-color);
    }

    .section {
        margin-bottom: var(--section-spacing);
        padding-bottom: var(--section-spacing);
        border-bottom: 1px solid var(--border-color);
        position: relative;
        transition: transform 0.3s ease;
    }

    .section:hover {
        transform: translateY(-5px);
    }

    .section::after {
        content: '';
        position: absolute;
        bottom: -1px;
        left: 20%;
        right: 20%;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--accent-blue-glow), transparent);
    }

    .section:last-child {
        border-bottom: none;
    }

    .section:last-child::after {
        display: none;
    }

    h2 {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 20px;
        color: var(--text-color);
        background: linear-gradient(90deg, #fff, #ccc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        display: inline-block;
    }

    p {
        margin-bottom: 16px;
        color: var(--text-color);
        opacity: 0.9;
    }

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

    /* Footer styles */
    footer {
        border-top: 1px solid var(--border-color);
        padding: 24px 0;
        background-color: rgba(10, 10, 10, 0.8);
        backdrop-filter: blur(10px);
    }

    .footer-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 16px;
        text-align: center;
        color: var(--light-text);
        font-size: 14px;
    }

    /* Responsive styles */
    @media (max-width: 900px) {
        .container {
            flex-direction: column;
            padding: 10px;
        }

        .sidebar {
            width: 100%;
            padding: 10px 0;
        }

        .side-nav {
            position: relative;
            top: 0;
            display: flex;
            overflow-x: auto;
            white-space: nowrap;
            padding: 15px;
            gap: 10px;
            -webkit-overflow-scrolling: touch;
        }

        .side-nav-item {
            margin: 0;
            flex: 0 0 auto;
            white-space: nowrap;
            padding: 10px 15px;
        }

        .side-nav-item:hover {
            transform: translateY(-2px);
        }

        .content {
            padding-left: 0;
            border-left: none;
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 15px;
        }
    }

    @media (max-width: 600px) {
        :root {
            --header-height: 56px;
            --nav-height: 40px;
            --section-spacing: 32px;
        }

        .logo-container h1 {
            font-size: 18px;
        }

        .nav-container {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .nav-item {
            padding: 0 12px;
            white-space: nowrap;
        }

        h2 {
            font-size: 20px;
        }

        .side-nav {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 10px;
        }

        .side-nav-item {
            white-space: nowrap;
            font-size: 13px;
            padding: 8px 12px;
        }

        .section {
            padding-bottom: 25px;
            margin-bottom: 25px;
        }
    }

    /* Special styling for Terms of Service page */
    .section ul li {
        position: relative;
        padding-left: 5px;
    }

    .section ul li::before {
        content: '';
        position: absolute;
        left: -15px;
        top: 10px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: var(--primary-color);
        box-shadow: 0 0 5px var(--accent-blue-glow);
    }