:root {
            --brand-color: #51be95;
            --brand-hover: #3ea67f;
            --primary: #2563eb;
            --dark: #0f172a;
            --light: #f8fafc;
            --accent: #f59e0b;
            --gray: #64748b;
        }

        .hidden { display: none !important; }
        .fade-transition { transition: opacity 0.3s ease-in-out; }

        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            gap: 10px;
        }

        .icon_website_header {
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
        }

        .logo-text .coach { color: var(--dark); }
        .logo-text .owl { color: var(--primary); }

        /* Login Modal Custom CSS */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .modal-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .modal {
            background-color: white;
            border-radius: 8px;
            width: 400px;
            max-width: 90%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            overflow: hidden;
        }

        .login-container {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 8px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 450px;
            overflow: hidden;
            position: relative;
        }

        .login-header {
            background: linear-gradient(to right, rgb(104, 195, 159), rgb(104, 195, 159));
            color: white;
            padding: 25px;
            text-align: center;
            position: relative;
        }

        .login-header h2 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .close-btn-login {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 24px;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .login-body, .logout-body {
            padding: 30px;
        }

        .social-login {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .social-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: white;
            cursor: pointer;
        }

        .github-btn {
            background: linear-gradient(to right, #333, #000);
        }

        .divider {
            text-align: center;
            position: relative;
            margin: 25px 0;
            color: #777;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #444;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 14px 15px 14px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
            outline: none;
        }

        .login-btn, .logout-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(to right, rgb(104, 195, 159), rgb(104, 195, 159));
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
        }

        .user-avatar-form-center img {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            margin: 0 auto;
        }

        .logged-in-user-id {
            font-size: 18px;
            display: block;
            margin-bottom: 8px;
            color: #444;
            text-align: center;
        }

        .user-billing-balance {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            font-size: 18px;
            margin-bottom: 8px;
            color: #444;
            text-align: center;
        }

        .display_card_image_thumbnail_img_xs_small {
            width: 16px;
            height: 16px;
            margin-right: 4px;
        }