* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary-blue: #0d47a1;
            --secondary-blue: #1976d2;
            --accent-blue: #42a5f5;
            --light-blue: #bbdefb;
            --white: #ffffff;
            --light-gray: #f5f5f5;
            --text-dark: #263238;
            --text-light: #546e7a;
            --shadow: rgba(13, 71, 161, 0.1);
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* Container */
        .container {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        /* Left Side - Content with Clouds */
        .left-content {
            flex: 1.2;
            position: relative;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            overflow: hidden;
        }

        .logo-container {
            margin-bottom: 50px;
            z-index: 2;
        }

        .logo {
            height: 100px;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
        }

        .content-section {
            max-width: 600px;
            z-index: 2;
        }

        h1 {
            font-size: 2.8rem;
            margin-bottom: 30px;
            color: var(--primary-blue);
            line-height: 1.2;
            font-weight: 700;
        }

        .security-steps {
            margin: 40px 0;
        }

        .step {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }

        .step-icon {
            width: 50px;
            height: 50px;
            background: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            box-shadow: 0 4px 12px var(--shadow);
            color: var(--primary-blue);
            font-size: 1.2rem;
        }

        .step-text h3 {
            color: var(--primary-blue);
            margin-bottom: 5px;
            font-size: 1.1rem;
        }

        .step-text p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        .file-names {
            font-size: 0.85rem;
            color: var(--text-light);
            font-style: italic;
            margin-top: 5px;
        }

        .storage-info {
            background: var(--white);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 8px 24px var(--shadow);
            margin-top: 40px;
            border-left: 5px solid var(--accent-blue);
        }

        .storage-info h3 {
            color: var(--primary-blue);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }

        .storage-info p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Right Side - Login Form */
        .right-form {
            flex: 0.8;
            background: var(--white);
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: -5px 0 25px rgba(0, 0, 0, 0.05);
        }

        .form-container {
            max-width: 400px;
            width: 100%;
            margin: 0 auto;
        }

        .form-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .form-header h2 {
            color: var(--primary-blue);
            font-size: 2.2rem;
            margin-bottom: 10px;
        }

        .form-header p {
            color: var(--text-light);
        }

        .login-form {
            width: 100%;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--primary-blue);
            font-weight: 600;
        }

        .input-with-icon {
            position: relative;
        }

        .input-with-icon i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary-blue);
        }

        .form-control {
            width: 100%;
            padding: 15px 15px 15px 45px;
            border: 2px solid #e3e9f2;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s;
            color: var(--text-dark);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2);
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-blue));
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 10px;
        }

        .submit-btn:hover {
            background: linear-gradient(to right, #0b3d8f, #1565c0);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(13, 71, 161, 0.3);
        }

        .create-account-link {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }

        .create-account-link a {
            color: var(--secondary-blue);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            display: inline-block;
            padding: 8px 16px;
            border-radius: 6px;
        }

        .create-account-link a:hover {
            background-color: rgba(66, 165, 245, 0.1);
            color: var(--primary-blue);
        }

        .form-footer {
            text-align: center;
            margin-top: 30px;
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Registration Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 3000;
            justify-content: center;
            align-items: center;
            padding: 20px;
            animation: fadeIn 0.3s ease;
        }

        .modal-content {
            background: var(--white);
            width: 100%;
            max-width: 500px;
            border-radius: 12px;
            padding: 30px;
            position: relative;
            animation: slideUp 0.4s ease;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .modal-header h2 {
            color: var(--primary-blue);
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .modal-header p {
            color: var(--text-light);
        }

        .close-modal {
            position: absolute;
            top: 20px;
            right: 25px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-light);
            cursor: pointer;
            transition: all 0.3s;
        }

        .close-modal:hover {
            color: var(--primary-blue);
            transform: scale(1.1);
        }

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

        .country-select {
            width: 100%;
            padding: 15px 15px 15px 45px;
            border: 2px solid #e3e9f2;
            border-radius: 8px;
            font-size: 1rem;
            color: var(--text-dark);
            background-color: white;
            appearance: none;
            cursor: pointer;
        }

        .country-select:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2);
        }

        /* Clouds Animation */
        .clouds-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 1;
        }

        .cloud {
            position: absolute;
            background: white;
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
            opacity: 0.8;
        }

        .cloud:before, .cloud:after {
            content: '';
            position: absolute;
            background: white;
            border-radius: 50%;
        }

        /* Mobile Styles */
        .mobile-header {
            display: none;
            background: var(--white);
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            z-index: 100;
        }

        .mobile-logo {
            height: 40px;
        }

        .mobile-content {
            display: none;
            padding: 30px 20px;
            text-align: center;
        }

        .mobile-storage-info {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 8px 24px var(--shadow);
            margin: 30px 0;
            border-left: 5px solid var(--accent-blue);
        }

        .floating-btn {
            display: none;
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-blue));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 6px 20px rgba(13, 71, 161, 0.4);
            cursor: pointer;
            z-index: 1000;
            transition: all 0.3s;
        }

        .floating-btn:hover {
            transform: scale(1.1);
        }

        .mobile-form-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .mobile-form-container {
            background: var(--white);
            width: 100%;
            max-width: 400px;
            border-radius: 12px;
            padding: 30px;
            position: relative;
            animation: slideUp 0.4s ease;
        }

        .close-form {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-light);
            cursor: pointer;
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .left-content, .right-form {
                padding: 30px;
            }
            
            h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                display: none;
            }
            
            .mobile-header {
                display: flex;
                justify-content: center;
            }
            
            .mobile-content {
                display: block;
            }
            
            .floating-btn {
                display: flex;
            }
        }

        /* Animations */
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
            background: rgba(255, 255, 255, 0.7);
            margin-top: 30px;
        }

        .footer a {
            color: var(--secondary-blue);
            text-decoration: none;
        }