:root {
        --primary-color: #24A2AF;
        --secondary-color: #888888;
        --accent-color: #cadetblue;
        --text-color: #444444;
        --background-color: #FFFFFF;
        --sidebar-background: rgba(255, 255, 255, 0.95);
        --border-radius: 8px;
        --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        --transition: all 0.3s ease;
    }

    * {
        box-sizing: border-box;
    }

    body {
        margin: 0;
        padding: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background-color: var(--background-color);
        color: var(--text-color);
        line-height: 1.6;
    }

    /* Logo migliorato */
    .logo {
        position: absolute;
        top: 20px;
        right: 6%;
        z-index: 9999;
        cursor: pointer;
        transition: var(--transition);
    }

    .logo:hover {
        transform: scale(1.05);
    }

    .logo-text {
        font-family: 'Helvetica Neue', Arial, sans-serif;
        font-size: 48px;
        line-height: 0.8;
        font-weight: bold;
        color: #D4AF37;
        text-align: left;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    /* Sidebar migliorata */
    .sidebar {
        position: absolute;
        right: 5%;
        top: 110px;
        max-width: 350px;
        width: 28%;
        min-width: 300px;
        background: var(--sidebar-background);
        backdrop-filter: blur(10px);
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow);
        z-index: 99999;
        transition: var(--transition);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .sidebar-content {
        padding: 20px;
    }

    .sidebar h1 {
        font-size: 1.8em;
        margin: 0 0 10px 0;
        color: var(--primary-color);
        border-bottom: 2px solid var(--primary-color);
        padding-bottom: 10px;
    }

    .sidebar-toggle {
        position: absolute;
        top: 5px;
        right: 5px;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--secondary-color);
        cursor: pointer;
        padding: 8px;
        border-radius: 4px;
        transition: var(--transition);
    }

    .sidebar-toggle:hover {
        background-color: rgba(0, 0, 0, 0.1);
        transform: scale(1.1);
    }

    /* Collegamenti migliorati */
    a {
        color: var(--text-color);
        text-decoration: none;
        transition: var(--transition);
    }

    a:hover {
        color: var(--primary-color);
    }

    .source-link {
        color: var(--accent-color);
        font-weight: 500;
    }

    .source-link:hover {
        text-decoration: underline;
    }

    /* Menu di navigazione */
    .nav-menu {
        list-style: none;
        padding: 0;
        margin: 20px 0;
    }

    .nav-menu li {
        margin: 8px 0;
    }

    .nav-menu a {
        display: block;
        padding: 8px 12px;
        border-radius: 4px;
        transition: var(--transition);
    }

    .nav-menu a:hover {
        background-color: rgba(36, 162, 175, 0.1);
    }

    .nav-menu a.active {
        background-color: var(--primary-color);
        color: white;
    }

    .nav-menu ul {
        list-style: none;
        padding-left: 20px;
        margin: 5px 0;
    }

    /* Controlli migliorati */
    .controls {
        background: rgba(255, 255, 255, 0.8);
        padding: 15px;
        border-radius: var(--border-radius);
        margin: 15px 0;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }

    .control-label {
        display: block;
        font-weight: 600;
        color: var(--accent-color);
        margin-bottom: 8px;
        font-size: 0.9em;
    }

    .slider {
        width: 100%;
        height: 6px;
        border-radius: 3px;
        background: #ddd;
        outline: none;
        transition: var(--transition);
        accent-color: var(--primary-color);
    }

    .slider:hover {
        background: #ccc;
    }

    /* Statistiche */
    .statistics {
        background: rgba(248, 249, 250, 0.9);
        padding: 12px;
        border-radius: var(--border-radius);
        margin: 15px 0;
        font-size: 0.85em;
        line-height: 1.4;
        color: var(--secondary-color);
        border-left: 4px solid var(--primary-color);
        max-height: 200px;
        overflow-y: auto;
    }

    /* Codice overlay migliorato */
    .code-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.8);
        z-index: 999999;
        display: none;
        backdrop-filter: blur(5px);
    }

    .code-container {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 1200px;
        height: 80%;
        background: white;
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow);
        display: flex;
        flex-direction: column;
    }

    .code-header {
        padding: 15px 20px;
        background: var(--primary-color);
        color: white;
        border-radius: var(--border-radius) var(--border-radius) 0 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .code-actions {
        display: flex;
        gap: 15px;
    }

    .code-actions a {
        color: white;
        padding: 5px 10px;
        border-radius: 4px;
        transition: var(--transition);
    }

    .code-actions a:hover {
        background: rgba(255, 255, 255, 0.2);
    }

    .code-content {
        flex: 1;
        overflow: auto;
        padding: 20px;
    }

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

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 4px;
    }

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

    ::-webkit-scrollbar-thumb:hover {
        background: #1e8a94;
    }

    /* Responsive design */
    @media (max-width: 768px) {
        .sidebar {
            position: fixed;
            right: 10px;
            top: 80px;
            width: calc(100% - 20px);
            max-width: none;
            min-width: auto;
        }

        .logo {
            right: 10px;
            top: 10px;
        }

        .logo-text {
            font-size: 36px;
        }

        .code-container {
            width: 95%;
            height: 90%;
        }
    }

    @media (max-width: 480px) {
        .sidebar-content {
            height: 100%;
            overflow-y: auto;
        }
        .logo-text {
            font-size: 28px;
        }
    }

    /* Loading animation */
    .loading {
        display: inline-block;
        width: 20px;
        height: 20px;
        margin-right: 0.5em;
        border: 2px solid #f3f3f3;
        border-top: 2px solid var(--primary-color);
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }

        100% {
            transform: rotate(360deg);
        }
    }

    /* Accessibilità */
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    /* Focus styles per accessibilità */
    button:focus,
    a:focus,
    input:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    /* Highlight.js personalizzato */
    .hljs {
        background: #f8f9fa;
        border-radius: var(--border-radius);
        padding: 15px;
    }