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

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            overflow: hidden;
            position: relative;
        }

        /* Animated Background */
        .bg-animation {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }

        .bg-animation::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="rgba(255,255,255,0.1)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="20" cy="20" r="10" fill="url(%23a)"/><circle cx="80" cy="40" r="15" fill="url(%23a)"/><circle cx="40" cy="80" r="8" fill="url(%23a)"/></svg>') repeat;
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateX(0) translateY(0) rotate(0deg); }
            33% { transform: translateX(-30px) translateY(-30px) rotate(120deg); }
            66% { transform: translateX(30px) translateY(-15px) rotate(240deg); }
        }

        .container {
            position: relative;
            z-index: 1;
            display: flex;
            min-height: 100vh;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .login-card {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(20px);
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            width: 100%;
            max-width: 900px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 600px;
            animation: slideUp 0.8s ease-out;
        }

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

        .login-form {
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-visual {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .visual-content {
            text-align: center;
            color: white;
            z-index: 2;
            position: relative;
        }

        .visual-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .visual-content p {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        .geometric-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .shape {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }

        .shape:nth-child(1) {
            width: 150px;
            height: 150px;
            top: 10%;
            left: -75px;
            animation: pulse 6s ease-in-out infinite;
        }

        .shape:nth-child(2) {
            width: 200px;
            height: 200px;
            bottom: 10%;
            right: -100px;
            animation: pulse 8s ease-in-out infinite reverse;
        }

        .shape:nth-child(3) {
            width: 80px;
            height: 80px;
            top: 60%;
            left: 20%;
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.3; }
            50% { transform: scale(1.2) rotate(180deg); opacity: 0.1; }
        }

        .logo {
            text-align: center;
            margin-bottom: 2rem;
        }

        .logo h1 {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .welcome-text {
            text-align: center;
            margin-bottom: 2rem;
        }

        .welcome-text h2 {
            font-size: 1.8rem;
            font-weight: 600;
            color: white;
            margin-bottom: 0.5rem;
        }

        .welcome-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .form-input {
            width: 100%;
            padding: 1rem 1rem 1rem 3rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .form-input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }

        .form-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
        }

        .checkbox {
            appearance: none;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.1);
            margin-right: 0.75rem;
            position: relative;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .checkbox:checked {
            background: white;
            border-color: white;
        }

        .checkbox:checked::after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #667eea;
            font-size: 12px;
            font-weight: bold;
        }

        .checkbox-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            cursor: pointer;
        }

        .login-btn {
            width: 100%;
            padding: 1rem;
            border: none;
            border-radius: 12px;
            background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
            color: #667eea;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
            background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
        }

        .login-btn:active {
            transform: translateY(0);
        }

        .form-links {
            text-align: center;
        }

        .form-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
            display: block;
            margin-bottom: 0.5rem;
        }

        .form-links a:hover {
            color: white;
            text-decoration: underline;
        }

        .signup-link {
            font-weight: 600;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .login-card {
                grid-template-columns: 1fr;
                max-width: 400px;
                min-height: auto;
            }

            .login-visual {
                display: none;
            }

            .login-form {
                padding: 2rem;
            }

            .container {
                padding: 1rem;
            }

            .welcome-text h2 {
                font-size: 1.5rem;
            }
        }

        /* Loading Animation */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(102, 126, 234, 0.3);
            border-radius: 50%;
            border-top-color: #667eea;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }