* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #4361ee;
            --primary-dark: #3a56d4;
            --github-color: #333333;
            --github-dark: #24292e;
            --google-color: #DB4437;
            --google-dark: #C33D31;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --bg-light: #f8fafc;
            --white: #ffffff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            --radius: 12px;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .login-container {
            display: flex;
            max-width: 1000px;
            width: 100%;
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            animation: fadeIn 0.8s ease-out;
        }

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

        .login-left {
            flex: 1;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-right {
            flex: 1;
            background: linear-gradient(rgba(67, 97, 238, 0.9), rgba(67, 97, 238, 0.8)), 
                        url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .logo {
            font-family: 'Poppins', sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo span {
            color: var(--primary-color);
        }

        .logo i {
            color: var(--primary-color);
            font-size: 32px;
        }

        h1 {
            font-family: 'Poppins', sans-serif;
            font-size: 32px;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .subtitle {
            color: var(--text-light);
            margin-bottom: 40px;
        }

        /* Social Login Buttons */
        .social-logins {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }

        .btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;
            padding: 16px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-google {
            background: var(--white);
            color: var(--text-dark);
            border: 2px solid #e2e8f0;
        }

        .btn-google:hover {
            background: #f8fafc;
            border-color: #cbd5e1;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(219, 68, 55, 0.15);
        }

        .btn-github {
            background: var(--github-color);
            color: white;
            border: 2px solid var(--github-color);
        }

        .btn-github:hover {
            background: var(--github-dark);
            border-color: var(--github-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(36, 41, 46, 0.2);
        }

        .btn-email {
            background: var(--primary-color);
            color: white;
            margin-top: 20px;
        }

        .btn-email:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(67, 97, 238, 0.3);
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 30px 0;
            color: var(--text-light);
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: #e2e8f0;
        }

        .divider span {
            padding: 0 15px;
        }

        /* Email Login Form */
        .login-form {
            margin-bottom: 30px;
            animation: slideDown 0.3s ease-out;
        }

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

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-dark);
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .form-group input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

        .form-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .remember-me input {
            width: auto;
        }

        .form-footer a {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 14px;
        }

        .form-footer a:hover {
            text-decoration: underline;
        }

        .login-footer {
            text-align: center;
            color: var(--text-light);
            margin-top: 30px;
        }

        .login-footer a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .login-footer a:hover {
            text-decoration: underline;
        }

        /* Right side content */
        .right-content h2 {
            font-family: 'Poppins', sans-serif;
            font-size: 36px;
            margin-bottom: 20px;
        }

        .right-content p {
            font-size: 18px;
            line-height: 1.6;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .features {
            list-style: none;
        }

        .features li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .features i {
            color: #06d6a0;
        }

        /* Alert Messages */
        .alert {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }

        .alert-error {
            background: #fee;
            color: #c33;
            border: 1px solid #fcc;
        }

        .alert-success {
            background: #efe;
            color: #383;
            border: 1px solid #cfc;
        }

        /* Toggle Link */
        .toggle-form {
            text-align: center;
            margin: 20px 0;
        }

        .toggle-form a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            cursor: pointer;
        }

        .toggle-form a:hover {
            text-decoration: underline;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .login-container {
                flex-direction: column;
            }
            
            .login-right {
                order: -1;
                padding: 40px 30px;
            }
            
            .login-left {
                padding: 40px 30px;
            }
            
            h1 {
                font-size: 28px;
            }
            
            .right-content h2 {
                font-size: 28px;
            }
            
            .form-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }