:root {
            --primary-dark: #3a0ca3;
            --primary-light: #4361ee;
            --secondary: #f8f9fa;
            --accent: #ff006e;
            --text-dark: #212529;
            --text-light: #6c757d;
            --success: #28a745;
            --danger: #dc3545;
            --warning: #ffc107;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .container-fluid {
            padding-left: 15px;
            padding-right: 15px;
        }
        
        /* Header Styles */
        header {
            background-color: rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--primary-light);
        }
        
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.8);
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
        }
        
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: white;
        }
        
        .auth-buttons .btn {
            margin-left: 10px;
            border-radius: 50px;
            padding: 8px 20px;
            font-weight: 500;
        }
        
        .btn-signup {
            background-color: var(--primary-light);
            border: none;
            color: white;
        }
        
        .btn-signup:hover {
            background-color: #3a56d4;
            color: white;
        }
        
        .btn-login {
            background-color: transparent;
            border: 1px solid white;
            color: white;
        }
        
        .btn-login:hover {
            background-color: rgba(255,255,255,0.1);
            color: white;
        }
        
        .disclaimer {
            background-color: rgba(255,255,255,0.1);
            padding: 8px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.9);
            text-align: center;
        }
        
        /* Signup Container */
        .signup-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 0;
        }
        
        .signup-card {
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
            max-width: 1200px;
            width: 100%;
            margin: 0 20px;
        }
        
        .signup-row {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            min-height: 700px;
        }
        
        .signup-left {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            color: white;
            padding: 60px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .signup-right {
            padding: 40px;
            overflow-y: auto;
            max-height: 700px;
        }
        
        .signup-left h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .signup-left p {
            font-size: 1.1rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .benefit-list {
            list-style: none;
            padding: 0;
        }
        
        .benefit-list li {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            font-size: 1rem;
        }
        
        .benefit-list i {
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 1.2rem;
        }
        
        /* Signup Form */
        .signup-form h3 {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }
        
        .signup-form p {
            color: var(--text-light);
            margin-bottom: 25px;
        }
        
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            font-weight: 500;
            margin-bottom: 8px;
            color: var(--text-dark);
            display: block;
        }
        
        .form-control {
            border: 1px solid #dee2e6;
            border-radius: 10px;
            padding: 12px 15px;
            font-size: 1rem;
            transition: all 0.3s;
            width: 100%;
        }
        
        .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
            outline: none;
        }
        
        .form-control.is-invalid {
            border-color: var(--danger);
        }
        
        .form-text {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 5px;
        }
        
        .password-strength {
            height: 5px;
            border-radius: 3px;
            margin-top: 8px;
            transition: all 0.3s;
        }
        
        .strength-weak {
            background-color: var(--danger);
            width: 33%;
        }
        
        .strength-medium {
            background-color: var(--warning);
            width: 66%;
        }
        
        .strength-strong {
            background-color: var(--success);
            width: 100%;
        }
        
        .input-icon {
            position: absolute;
            right: 15px;
            top: 42px;
            color: var(--text-light);
            cursor: pointer;
            transition: color 0.3s;
        }
        
        .input-icon:hover {
            color: var(--primary-light);
        }
        
        .form-check {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .form-check-input {
            margin-right: 10px;
            margin-top: 3px;
            width: 18px;
            height: 18px;
            cursor: pointer;
        }
        
        .form-check-label {
            color: var(--text-dark);
            cursor: pointer;
            font-size: 0.9rem;
            line-height: 1.4;
        }
        
        .form-check-label a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
        }
        
        .form-check-label a:hover {
            text-decoration: underline;
        }
        
        .btn-signup-submit {
            background-color: var(--primary-light);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 15px;
            font-weight: 600;
            font-size: 1.1rem;
            width: 100%;
            transition: all 0.3s;
            margin-bottom: 20px;
        }
        
        .btn-signup-submit:hover {
            background-color: #3a56d4;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
        }
        
        .btn-signup-submit:disabled {
            background-color: #adb5bd;
            cursor: not-allowed;
            transform: none;
        }
        
        .divider {
            text-align: center;
            margin: 25px 0;
            position: relative;
        }
        
        .divider::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background-color: #dee2e6;
        }
        
        .divider span {
            background-color: white;
            padding: 0 15px;
            position: relative;
            color: var(--text-light);
        }
        
        .social-signup {
            display: flex;
            gap: 15px;
            margin-bottom: 25px;
        }
        
        .social-btn {
            flex: 1;
            padding: 12px;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            background-color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 500;
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .social-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .social-btn.facebook {
            border-color: #1877f2;
            color: #1877f2;
        }
        
        .social-btn.google {
            border-color: #ea4335;
            color: #ea4335;
        }
        
        .login-prompt {
            text-align: center;
            color: var(--text-light);
        }
        
        .login-prompt a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }
        
        .login-prompt a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        
        /* Alert Styles */
        .alert-custom {
            border-radius: 10px;
            padding: 15px;
            margin-bottom: 20px;
            display: none;
        }
        
        .alert-danger-custom {
            background-color: rgba(220, 53, 69, 0.1);
            border: 1px solid var(--danger);
            color: var(--danger);
        }
        
        .alert-success-custom {
            background-color: rgba(40, 167, 69, 0.1);
            border: 1px solid var(--success);
            color: var(--success);
        }
        
        /* Age Verification Modal */
        .age-verification {
            background-color: rgba(255, 0, 110, 0.1);
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 20px 0;
            border-radius: 0 10px 10px 0;
        }
        
        .age-verification h5 {
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .age-verification h5 i {
            margin-right: 10px;
        }
        
        /* Security Notice */
        .security-notice {
            background-color: rgba(40, 167, 69, 0.1);
            border-left: 4px solid var(--success);
            padding: 15px;
            border-radius: 0 10px 10px 0;
            margin-top: 20px;
        }
        
        .security-notice h6 {
            color: var(--success);
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        
        .security-notice p {
            margin-bottom: 0;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        
        /* Footer */
        footer {
            background-color: rgba(0, 0, 0, 0.1);
            color: white;
            padding: 20px 0;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .signup-row {
                grid-template-columns: 1fr;
            }
            
            .signup-left {
                padding: 40px 30px;
            }
            
            .signup-right {
                padding: 40px 30px;
            }
        }
        
        @media (max-width: 768px) {
            .signup-container {
                padding: 20px 0;
            }
            
            .signup-left {
                padding: 30px 20px;
            }
            
            .signup-right {
                padding: 30px 20px;
            }
            
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            
            .social-signup {
                flex-direction: column;
            }
        }
        
        @media (max-width: 576px) {
            .auth-buttons .btn {
                margin-left: 0;
                margin-top: 10px;
            }
            
            .navbar-nav {
                margin-top: 20px;
            }
            
            .signup-card {
                margin: 0 10px;
            }
            
            .signup-left {
                padding: 30px 15px;
            }
            
            .signup-right {
                padding: 30px 15px;
            }
            
            .signup-left h2 {
                font-size: 2rem;
            }
            
            .signup-form h3 {
                font-size: 1.5rem;
            }
        }